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pInteger lsapi_siguser1 __pad0 _SC_BC_DIM_MAX __pad5 _SC_LEVEL1_DCACHE_ASSOC malloc s_dump_debug_info s_avail_pages __u6_addr32 _headerInfo m_type si_errno finish_close listen _SC_XOPEN_REALTIME _markers LSAPI_InitRequest _SC_SAVED_IDS pBind m_scriptFileOff _SC_INT_MAX si_band s_log_level_names s_skip_write H_VIA memccpy IPPROTO_ESP m_pRespHeaderBufEnd _SC_TRACE_LOG getpwnam timeout _SC_THREAD_PRIO_PROTECT g_fnSelect RLIMIT_FSIZE __builtin_memcpy st_rdev lsapi_http_header_index pEnv _SC_OPEN_MAX st_dev dlerror headerIndex _SC_UIO_MAXIOV LSAPI_Log m_pRespHeaderBuf __int32_t H_PRAGMA /opt/cpanel/ea-ruby27/root/usr/local/share/gems/gems/ruby-lsapi-5.7/ext/lsapi qsort pSecretFile __RLIMIT_NLIMITS __daylight IPPROTO_RSVP H_REFERER IPPROTO_UDPLITE SOCK_CLOEXEC LSAPI_Set_Slow_Req_Msecs LSAPI_Prefork_Accept_r _sys_siglist _SC_CHAR_MAX LSAPI_Get_ppid _ISlower pEnvEnd sigprocmask m_pUnknownHeader getpwuid m_reqState _SC_PII_XTI pRespHeaders left sysconf m_pRespBuf m_iCurChildren socket LSAPI_Write_r _SC_PII_OSI_COTS m_totalLen m_pIovec s_stderr_is_pipe fstat _SC_PII_SOCKET __gid_t lsapi_sigpipe _SC_V6_LPBIG_OFFBIG _SC_MQ_PRIO_MAX getcwd H_TRANSFER_ENCODING H_IF_MODIFIED_SINCE __bsx ai_next s_enable_core_dump _SC_TRACE_EVENT_FILTER nodelay sin6_family __resolved _freeres_buf _sigfault m_iChildrenMaxIdleTime _SC_THREAD_CPUTIME si_utime tv_sec _SC_VERSION m_cntSpecialEnv _SC_C_LANG_SUPPORT_R long long unsigned int sa_handler sin_addr _cur_column lsapi_load_lve_lib toWrite _SC_PII si_fd _SC_MAPPED_FILES _SC_LEVEL4_CACHE_SIZE IPPROTO_BEETPH fp_lve_jail _SC_2_FORT_DEV IPPROTO_IP m_pRespHeaderBufPos st_blocks lsapi_initSuEXEC __bswap_16 getpid __buf _SC_2_LOCALEDEF m_cntEnv localtime_r _SC_LEVEL1_ICACHE_SIZE readBodyToReqBuf tm_gmtoff IPPROTO_PUP _IO_backup_base H_KEEP_ALIVE _IO_read_ptr _SC_CHAR_BIT LSAPI_Register_Pgrp_Timer_Callback md5ctx __socket_type __nbytes _nameLen getenv _freeres_list __ap s_max_busy_workers IPPROTO_ETHERNET H_IF_NO_MATCH lsapi_read sun_path CGI_HEADERS si_overrun __bswap_32 pReq _SC_INT_MIN lsapi_MD5Update _SC_RE_DUP_MAX _SC_PII_INTERNET_STREAM achBody achPeer _SC_THREAD_ATTR_STACKSIZE full_path _old_offset _SC_SIGQUEUE_MAX siginfo_t _SC_FD_MGMT expect_connected _SC_SYNCHRONIZED_IO LSAPI_STATE_IDLE valueOff _SC_V7_ILP32_OFF32 skip unlink send_conn_close_notification optind s_accept_notify H_ACC_LANG _SC_EXPR_NEST_MAX _SC_LEVEL3_CACHE_LINESIZE long long int m_pktHeader in6addr_loopback s_accepting_workers IPPROTO_IDP _flags2 allocateIovec _SC_MESSAGE_PASSING __ch _SC_REGEX_VERSION m_iLen LSAPI_Set_Max_Children __d1 setuid tv_nsec m_scriptNameOff lsapi_perror _SC_FILE_LOCKING _SC_AVPHYS_PAGES _SC_MB_LEN_MAX _ISdigit sockaddr_in6 IPPROTO_SCTP _SC_PII_OSI _SC_ARG_MAX __ino_t setsockopt _SC_MEMLOCK_RANGE LSAPI_Finish_r _SC_SHARED_MEMORY_OBJECTS lsapi_resp_header in6addr_any m_pRequestMethod achError _SC_CHAR_MIN __realpath_chk iov_base m_lReqBegin s_uid s_total_pages pw_shell __name m_versionB0 m_versionB1 IPPROTO_GRE _SC_XOPEN_LEGACY _SC_NL_ARGMAX RLIMIT_CORE si_tid tobekilled _SC_THREAD_PRIO_INHERIT _SC_LEVEL3_CACHE_ASSOC _SC_NPROCESSORS_ONLN m_headerLen expect_accepting m_pIovecCur LSAPI_Init_Env_Parameters addr_len _SC_HOST_NAME_MAX IPPROTO_TCP LSAPI_AppendRespHeader2_r _SC_COLL_WEIGHTS_MAX _SC_MONOTONIC_CLOCK __rlimit_resource m_reqBodyRead LSAPI_Set_Max_Idle _SC_CLK_TCK LSAPI_ForeachSpecialEnv_r lsapi_buildPacketHeader LSAPI_perror_r _SC_NL_SETMAX _SC_BARRIERS bodyLen pBegin LSAPI_Accept_r wait_secs lsapi_reopen_stderr strcmp st_mtim __statbuf __RLIMIT_NICE fn_select_t short int lsapi_notify_pid si_sigval setrlimit _vtable_offset _SC_IPV6 mmap IPPROTO_ICMP lsapi_sigchild _SC_REGEXP lsapi_schedule_notify LSAPI_Get_Slow_Req_Msecs _SC_V6_ILP32_OFFBIG memchr tz_minuteswest H_ACC_ENCODING sin6_port m_iMaxReqProcessTime __RLIMIT_RTPRIO rb_mWaitWritable _sys_errlist RUBY_Qnil rb_eNoMemError rb_cMethod rb_obj_wb_unprotect rb_eSyntaxError sockaddr_iso blockSize RUBY_FL_EXIVAR dmark RUBY_DATA_FUNC rb_eIOError rb_data_object_get rb_cFile rb_eSignal lsapi_data RUBY_T_ARRAY rb_eKeyError add_env_rails lsapi_addstr RUBY_FL_UNTRUSTED rb_eZeroDivError lsapi_gets createTempFile dfree RUBY_T_IMEMO rb_global_variable ROBJECT_EMBED_LEN_MAX RUBY_T_UNDEF rb_cString rb_eEOFError LSAPI_GetReqBodyRemain_r rb_mKernel rb_output_fs rb_cModule sockaddr_ns RUBY_T_FALSE ruby_robject_flags rb_cInteger RUBY_T_FILE rb_cTrueClass RUBY_FL_USER0 RUBY_FL_USER1 RUBY_FL_USER2 RUBY_FL_USER3 RUBY_FL_USER4 RUBY_FL_USER5 RUBY_FL_USER6 RUBY_FL_USER7 RUBY_FL_USER8 RUBY_FL_USER9 rb_fs RUBY_T_COMPLEX data_struct_obj rb_eEncCompatError ruby_special_consts RSTRING_EMBED_LEN_SHIFT ruby_rarray_flags ruby_description RString MAX_BODYBUF_LENGTH lsapi_body rb_eNameError needRead rb_eRegexpError rb_cBasicObject RUBY_T_STRUCT rb_cRational rb_cFloat rb_cClass rb_cStat basic RUBY_Qtrue RUBY_T_STRING rb_cCont rb_cFalseClass RARRAY_EMBED_LEN_SHIFT readMaxBodyBufLength RUBY_T_MODULE rb_eArgError rb_eInterrupt recur rb_funcallv 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3O8a a 3 share/gems/gems/ruby-lsapi-5.7/ext/lsapi/lsapilib.cnu [ //#define LSAPI_DEBUG
/*
Copyright (c) 2002-2018, Lite Speed Technologies Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of the Lite Speed Technologies Inc nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "lsapilib.h"
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
#include
#endif
#if defined(__FreeBSD__ ) || defined(__NetBSD__) || defined(__OpenBSD__) \
|| defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
#include
#endif
#include
#ifndef uint32
#define uint32 uint32_t
#endif
struct lsapi_MD5Context {
uint32 buf[4];
uint32 bits[2];
unsigned char in[64];
};
void lsapi_MD5Init(struct lsapi_MD5Context *context);
void lsapi_MD5Update(struct lsapi_MD5Context *context, unsigned char const *buf,
unsigned len);
void lsapi_MD5Final(unsigned char digest[16], struct lsapi_MD5Context *context);
/*
* This is needed to make RSAREF happy on some MS-DOS compilers.
*/
typedef struct lsapi_MD5Context lsapi_MD5_CTX;
#define LSAPI_ST_REQ_HEADER 1
#define LSAPI_ST_REQ_BODY 2
#define LSAPI_ST_RESP_HEADER 4
#define LSAPI_ST_RESP_BODY 8
#define LSAPI_ST_BACKGROUND 16
#define LSAPI_RESP_BUF_SIZE 8192
#define LSAPI_INIT_RESP_HEADER_LEN 4096
enum
{
LSAPI_STATE_IDLE,
LSAPI_STATE_CONNECTED,
LSAPI_STATE_ACCEPTING,
};
typedef struct lsapi_child_status
{
int m_pid;
long m_tmStart;
volatile short m_iKillSent;
volatile char m_inProcess;
volatile char m_state;
volatile int m_iReqCounter;
volatile long m_tmWaitBegin;
volatile long m_tmReqBegin;
volatile long m_tmLastCheckPoint;
}
lsapi_child_status;
static lsapi_child_status * s_worker_status = NULL;
static int g_inited = 0;
static int g_running = 1;
static int s_ppid;
static int s_restored_ppid = 0;
static int s_pid = 0;
static int s_slow_req_msecs = 0;
static int s_keep_listener = 1;
static int s_dump_debug_info = 0;
static int s_pid_dump_debug_info = 0;
static int s_req_processed = 0;
static int s_skip_write = 0;
static int (*pthread_atfork_func)(void (*prepare)(void), void (*parent)(void),
void (*child)(void)) = NULL;
static int *s_busy_workers = NULL;
static int *s_accepting_workers = NULL;
static int *s_global_counter = &s_req_processed;
static int s_max_busy_workers = -1;
static char *s_stderr_log_path = NULL;
static int s_stderr_is_pipe = 0;
static int s_ignore_pid = -1;
static size_t s_total_pages = 1;
static size_t s_min_avail_pages = 256 * 1024;
static size_t *s_avail_pages = &s_total_pages;
LSAPI_Request g_req =
{ .m_fdListen = -1, .m_fd = -1 };
static char s_secret[24];
static LSAPI_On_Timer_pf s_proc_group_timer_cb = NULL;
void Flush_RespBuf_r( LSAPI_Request * pReq );
static int lsapi_reopen_stderr(const char *p);
static const char *CGI_HEADERS[H_TRANSFER_ENCODING+1] =
{
"HTTP_ACCEPT", "HTTP_ACCEPT_CHARSET",
"HTTP_ACCEPT_ENCODING",
"HTTP_ACCEPT_LANGUAGE", "HTTP_AUTHORIZATION",
"HTTP_CONNECTION", "CONTENT_TYPE",
"CONTENT_LENGTH", "HTTP_COOKIE", "HTTP_COOKIE2",
"HTTP_HOST", "HTTP_PRAGMA",
"HTTP_REFERER", "HTTP_USER_AGENT",
"HTTP_CACHE_CONTROL",
"HTTP_IF_MODIFIED_SINCE", "HTTP_IF_MATCH",
"HTTP_IF_NONE_MATCH",
"HTTP_IF_RANGE",
"HTTP_IF_UNMODIFIED_SINCE",
"HTTP_KEEP_ALIVE",
"HTTP_RANGE",
"HTTP_X_FORWARDED_FOR",
"HTTP_VIA",
"HTTP_TRANSFER_ENCODING"
};
static int CGI_HEADER_LEN[H_TRANSFER_ENCODING+1] =
{ 11, 19, 20, 20, 18, 15, 12, 14, 11, 12, 9, 11, 12, 15, 18,
22, 13, 18, 13, 24, 15, 10, 20, 8, 22 };
static const char *HTTP_HEADERS[H_TRANSFER_ENCODING+1] =
{
"Accept", "Accept-Charset",
"Accept-Encoding",
"Accept-Language", "Authorization",
"Connection", "Content-Type",
"Content-Length", "Cookie", "Cookie2",
"Host", "Pragma",
"Referer", "User-Agent",
"Cache-Control",
"If-Modified-Since", "If-Match",
"If-None-Match",
"If-Range",
"If-Unmodified-Since",
"Keep-Alive",
"Range",
"X-Forwarded-For",
"Via",
"Transfer-Encoding"
};
static int HTTP_HEADER_LEN[H_TRANSFER_ENCODING+1] =
{ 6, 14, 15, 15, 13, 10, 12, 14, 6, 7, 4, 6, 7, 10, //user-agent
13,17, 8, 13, 8, 19, 10, 5, 15, 3, 17
};
static const char *s_log_level_names[8] =
{
"", "DEBUG","INFO", "NOTICE", "WARN", "ERROR", "CRIT", "FATAL"
};
void LSAPI_Log(int flag, const char * fmt, ...)
{
char buf[1024];
char *p = buf;
if ((flag & LSAPI_LOG_TIMESTAMP_BITS)
&& !(s_stderr_is_pipe))
{
struct timeval tv;
struct tm tm;
gettimeofday(&tv, NULL);
localtime_r(&tv.tv_sec, &tm);
if (flag & LSAPI_LOG_TIMESTAMP_FULL)
{
p += snprintf(p, 1024, "%04d-%02d-%02d %02d:%02d:%02d.%06d ",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec, (int)tv.tv_usec);
}
else if (flag & LSAPI_LOG_TIMESTAMP_HMS)
{
p += snprintf(p, 1024, "%02d:%02d:%02d ",
tm.tm_hour, tm.tm_min, tm.tm_sec);
}
}
int level = flag & LSAPI_LOG_LEVEL_BITS;
if (level && level <= LSAPI_LOG_FLAG_FATAL)
{
p += snprintf(p, 100, "[%s] ", s_log_level_names[level]);
}
if (flag & LSAPI_LOG_PID)
{
p += snprintf(p, 100, "[UID:%d][%d] ", getuid(), s_pid);
}
if (p > buf)
fprintf(stderr, "%.*s", (int)(p - buf), buf);
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
#ifdef LSAPI_DEBUG
#define DBGLOG_FLAG (LSAPI_LOG_TIMESTAMP_FULL|LSAPI_LOG_FLAG_DEBUG|LSAPI_LOG_PID)
#define lsapi_dbg(...) LSAPI_Log(DBGLOG_FLAG, __VA_ARGS__)
#else
#define lsapi_dbg(...)
#endif
#define lsapi_log(...) LSAPI_Log(LSAPI_LOG_TIMESTAMP_FULL|LSAPI_LOG_PID, __VA_ARGS__)
void lsapi_perror(const char * pMessage, int err_no)
{
lsapi_log("%s, errno: %d (%s)\n", pMessage, err_no, strerror(err_no));
}
static int lsapi_parent_dead()
{
// Return non-zero if the parent is dead. 0 if still alive.
if (!s_ppid) {
// not checking, so not dead
return(0);
}
if (s_restored_ppid) {
if (kill(s_restored_ppid,0) == -1) {
if (errno == EPERM) {
return(0); // no permission, but it's still there.
}
return(1); // Dead
}
return(0); // it worked, so it's not dead
}
return(s_ppid != getppid());
}
static void lsapi_sigpipe( int sig )
{
}
static void lsapi_siguser1( int sig )
{
g_running = 0;
}
#ifndef sighandler_t
typedef void (*sighandler_t)(int);
#endif
static void lsapi_signal(int signo, sighandler_t handler)
{
struct sigaction sa;
sigaction(signo, NULL, &sa);
if (sa.sa_handler == SIG_DFL)
{
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = handler;
sigaction(signo, &sa, NULL);
}
}
static int s_enable_core_dump = 0;
static void lsapi_enable_core_dump(void)
{
#if defined(__FreeBSD__ ) || defined(__NetBSD__) || defined(__OpenBSD__) \
|| defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
int mib[2];
size_t len;
#if !defined(__OpenBSD__)
len = 2;
if ( sysctlnametomib("kern.sugid_coredump", mib, &len) == 0 )
{
len = sizeof(s_enable_core_dump);
if (sysctl(mib, 2, NULL, 0, &s_enable_core_dump, len) == -1)
perror( "sysctl: Failed to set 'kern.sugid_coredump', "
"core dump may not be available!");
}
#else
int set = 3;
len = sizeof(set);
mib[0] = CTL_KERN;
mib[1] = KERN_NOSUIDCOREDUMP;
if (sysctl(mib, 2, NULL, 0, &set, len) == 0) {
s_enable_core_dump = 1;
}
#endif
#endif
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
if (prctl(PR_SET_DUMPABLE, s_enable_core_dump,0,0,0) == -1)
perror( "prctl: Failed to set dumpable, "
"core dump may not be available!");
#endif
}
static inline void lsapi_buildPacketHeader( struct lsapi_packet_header * pHeader,
char type, int len )
{
pHeader->m_versionB0 = LSAPI_VERSION_B0; /* LSAPI protocol version */
pHeader->m_versionB1 = LSAPI_VERSION_B1;
pHeader->m_type = type;
pHeader->m_flag = LSAPI_ENDIAN;
pHeader->m_packetLen.m_iLen = len;
}
static int lsapi_set_nblock( int fd, int nonblock )
{
int val = fcntl( fd, F_GETFL, 0 );
if ( nonblock )
{
if (!( val & O_NONBLOCK ))
{
return fcntl( fd, F_SETFL, val | O_NONBLOCK );
}
}
else
{
if ( val & O_NONBLOCK )
{
return fcntl( fd, F_SETFL, val &(~O_NONBLOCK) );
}
}
return 0;
}
static int lsapi_close( int fd )
{
int ret;
while( 1 )
{
ret = close( fd );
if (( ret == -1 )&&( errno == EINTR )&&(g_running))
continue;
return ret;
}
}
static void lsapi_close_connection(LSAPI_Request *pReq)
{
if (pReq->m_fd == -1)
return;
lsapi_close(pReq->m_fd);
pReq->m_fd = -1;
if (s_busy_workers)
__atomic_fetch_sub(s_busy_workers, 1, __ATOMIC_SEQ_CST);
if (s_worker_status)
__atomic_store_n(&s_worker_status->m_state, LSAPI_STATE_IDLE,
__ATOMIC_SEQ_CST);
}
static inline ssize_t lsapi_read( int fd, void * pBuf, size_t len )
{
ssize_t ret;
while( 1 )
{
ret = read( fd, (char *)pBuf, len );
if (( ret == -1 )&&( errno == EINTR )&&(g_running))
continue;
return ret;
}
}
/*
static int lsapi_write( int fd, const void * pBuf, int len )
{
int ret;
const char * pCur;
const char * pEnd;
if ( len == 0 )
return 0;
pCur = (const char *)pBuf;
pEnd = pCur + len;
while( g_running && (pCur < pEnd) )
{
ret = write( fd, pCur, pEnd - pCur );
if ( ret >= 0)
pCur += ret;
else if (( ret == -1 )&&( errno != EINTR ))
return ret;
}
return pCur - (const char *)pBuf;
}
*/
static int lsapi_writev( int fd, struct iovec ** pVec, int count, int totalLen )
{
int ret;
int left = totalLen;
int n = count;
if (s_skip_write)
return totalLen;
while(( left > 0 )&&g_running )
{
ret = writev( fd, *pVec, n );
if ( ret > 0 )
{
left -= ret;
if (( left <= 0)||( !g_running ))
return totalLen - left;
while( ret > 0 )
{
if ( (*pVec)->iov_len <= (unsigned int )ret )
{
ret -= (*pVec)->iov_len;
++(*pVec);
}
else
{
(*pVec)->iov_base = (char *)(*pVec)->iov_base + ret;
(*pVec)->iov_len -= ret;
break;
}
}
}
else if ( ret == -1 )
{
if ( errno == EAGAIN )
{
if ( totalLen - left > 0 )
return totalLen - left;
else
return -1;
}
else if ( errno != EINTR )
return ret;
}
}
return totalLen - left;
}
/*
static int getTotalLen( struct iovec * pVec, int count )
{
struct iovec * pEnd = pVec + count;
int total = 0;
while( pVec < pEnd )
{
total += pVec->iov_len;
++pVec;
}
return total;
}
*/
static inline int allocateBuf( LSAPI_Request * pReq, int size )
{
char * pBuf = (char *)realloc( pReq->m_pReqBuf, size );
if ( pBuf )
{
pReq->m_pReqBuf = pBuf;
pReq->m_reqBufSize = size;
pReq->m_pHeader = (struct lsapi_req_header *)pReq->m_pReqBuf;
return 0;
}
return -1;
}
static int allocateIovec( LSAPI_Request * pReq, int n )
{
struct iovec * p = (struct iovec *)realloc(
pReq->m_pIovec, sizeof(struct iovec) * n );
if ( !p )
return -1;
pReq->m_pIovecToWrite = p + ( pReq->m_pIovecToWrite - pReq->m_pIovec );
pReq->m_pIovecCur = p + ( pReq->m_pIovecCur - pReq->m_pIovec );
pReq->m_pIovec = p;
pReq->m_pIovecEnd = p + n;
return 0;
}
static int allocateRespHeaderBuf( LSAPI_Request * pReq, int size )
{
char * p = (char *)realloc( pReq->m_pRespHeaderBuf, size );
if ( !p )
return -1;
pReq->m_pRespHeaderBufPos = p + ( pReq->m_pRespHeaderBufPos - pReq->m_pRespHeaderBuf );
pReq->m_pRespHeaderBuf = p;
pReq->m_pRespHeaderBufEnd = p + size;
return 0;
}
static inline int verifyHeader( struct lsapi_packet_header * pHeader, char pktType )
{
if (( LSAPI_VERSION_B0 != pHeader->m_versionB0 )||
( LSAPI_VERSION_B1 != pHeader->m_versionB1 )||
( pktType != pHeader->m_type ))
return -1;
if ( LSAPI_ENDIAN != (pHeader->m_flag & LSAPI_ENDIAN_BIT ))
{
register char b;
b = pHeader->m_packetLen.m_bytes[0];
pHeader->m_packetLen.m_bytes[0] = pHeader->m_packetLen.m_bytes[3];
pHeader->m_packetLen.m_bytes[3] = b;
b = pHeader->m_packetLen.m_bytes[1];
pHeader->m_packetLen.m_bytes[1] = pHeader->m_packetLen.m_bytes[2];
pHeader->m_packetLen.m_bytes[2] = b;
}
return pHeader->m_packetLen.m_iLen;
}
static int allocateEnvList( struct LSAPI_key_value_pair ** pEnvList,
int *curSize, int newSize )
{
struct LSAPI_key_value_pair * pBuf;
if ( *curSize >= newSize )
return 0;
if ( newSize > 8192 )
return -1;
pBuf = (struct LSAPI_key_value_pair *)realloc( *pEnvList, newSize *
sizeof(struct LSAPI_key_value_pair) );
if ( pBuf )
{
*pEnvList = pBuf;
*curSize = newSize;
return 0;
}
else
return -1;
}
static inline int isPipe( int fd )
{
char achPeer[128];
socklen_t len = 128;
if (( getpeername( fd, (struct sockaddr *)achPeer, &len ) != 0 )&&
( errno == ENOTCONN ))
return 0;
else
return 1;
}
static int parseEnv( struct LSAPI_key_value_pair * pEnvList, int count,
char **pBegin, char * pEnd )
{
struct LSAPI_key_value_pair * pEnvEnd;
int keyLen = 0, valLen = 0;
if ( count > 8192 )
return -1;
pEnvEnd = pEnvList + count;
while( pEnvList != pEnvEnd )
{
if ( pEnd - *pBegin < 4 )
return -1;
keyLen = *((unsigned char *)((*pBegin)++));
keyLen = (keyLen << 8) + *((unsigned char *)((*pBegin)++));
valLen = *((unsigned char *)((*pBegin)++));
valLen = (valLen << 8) + *((unsigned char *)((*pBegin)++));
if ( *pBegin + keyLen + valLen > pEnd )
return -1;
if (( !keyLen )||( !valLen ))
return -1;
pEnvList->pKey = *pBegin;
*pBegin += keyLen;
pEnvList->pValue = *pBegin;
*pBegin += valLen;
pEnvList->keyLen = keyLen - 1;
pEnvList->valLen = valLen - 1;
++pEnvList;
}
if ( memcmp( *pBegin, "\0\0\0\0", 4 ) != 0 )
return -1;
*pBegin += 4;
return 0;
}
static inline void swapIntEndian( int * pInteger )
{
char * p = (char *)pInteger;
register char b;
b = p[0];
p[0] = p[3];
p[3] = b;
b = p[1];
p[1] = p[2];
p[2] = b;
}
static inline void fixEndian( LSAPI_Request * pReq )
{
struct lsapi_req_header *p= pReq->m_pHeader;
swapIntEndian( &p->m_httpHeaderLen );
swapIntEndian( &p->m_reqBodyLen );
swapIntEndian( &p->m_scriptFileOff );
swapIntEndian( &p->m_scriptNameOff );
swapIntEndian( &p->m_queryStringOff );
swapIntEndian( &p->m_requestMethodOff );
swapIntEndian( &p->m_cntUnknownHeaders );
swapIntEndian( &p->m_cntEnv );
swapIntEndian( &p->m_cntSpecialEnv );
}
static void fixHeaderIndexEndian( LSAPI_Request * pReq )
{
int i;
for( i = 0; i < H_TRANSFER_ENCODING; ++i )
{
if ( pReq->m_pHeaderIndex->m_headerOff[i] )
{
register char b;
char * p = (char *)(&pReq->m_pHeaderIndex->m_headerLen[i]);
b = p[0];
p[0] = p[1];
p[1] = b;
swapIntEndian( &pReq->m_pHeaderIndex->m_headerOff[i] );
}
}
if ( pReq->m_pHeader->m_cntUnknownHeaders > 0 )
{
struct lsapi_header_offset * pCur, *pEnd;
pCur = pReq->m_pUnknownHeader;
pEnd = pCur + pReq->m_pHeader->m_cntUnknownHeaders;
while( pCur < pEnd )
{
swapIntEndian( &pCur->nameOff );
swapIntEndian( &pCur->nameLen );
swapIntEndian( &pCur->valueOff );
swapIntEndian( &pCur->valueLen );
++pCur;
}
}
}
static int validateHeaders( LSAPI_Request * pReq )
{
int totalLen = pReq->m_pHeader->m_httpHeaderLen;
int i;
for(i = 0; i < H_TRANSFER_ENCODING; ++i)
{
if ( pReq->m_pHeaderIndex->m_headerOff[i] )
{
if (pReq->m_pHeaderIndex->m_headerOff[i] > totalLen
|| pReq->m_pHeaderIndex->m_headerLen[i]
+ pReq->m_pHeaderIndex->m_headerOff[i] > totalLen)
return -1;
}
}
if (pReq->m_pHeader->m_cntUnknownHeaders > 0)
{
struct lsapi_header_offset * pCur, *pEnd;
pCur = pReq->m_pUnknownHeader;
pEnd = pCur + pReq->m_pHeader->m_cntUnknownHeaders;
while( pCur < pEnd )
{
if (pCur->nameOff > totalLen
|| pCur->nameOff + pCur->nameLen > totalLen
|| pCur->valueOff > totalLen
|| pCur->valueOff + pCur->valueLen > totalLen)
return -1;
++pCur;
}
}
return 0;
}
static uid_t s_uid = 0;
static uid_t s_defaultUid; //web server need set this
static gid_t s_defaultGid;
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
#define LSAPI_LVE_DISABLED 0
#define LSAPI_LVE_ENABLED 1
#define LSAPI_CAGEFS_ENABLED 2
#define LSAPI_CAGEFS_NO_SUEXEC 3
struct liblve;
static int s_enable_lve = LSAPI_LVE_DISABLED;
static struct liblve * s_lve = NULL;
static void *s_liblve;
static int (*fp_lve_is_available)(void) = NULL;
static int (*fp_lve_instance_init)(struct liblve *) = NULL;
static int (*fp_lve_destroy)(struct liblve *) = NULL;
static int (*fp_lve_enter)(struct liblve *, uint32_t, int32_t, int32_t, uint32_t *) = NULL;
static int (*fp_lve_leave)(struct liblve *, uint32_t *) = NULL;
static int (*fp_lve_jail)( struct passwd *, char *) = NULL;
static int lsapi_load_lve_lib(void)
{
s_liblve = dlopen("liblve.so.0", RTLD_NOW | RTLD_GLOBAL);
if (s_liblve)
{
fp_lve_is_available = dlsym(s_liblve, "lve_is_available");
if (dlerror() == NULL)
{
if ( !(*fp_lve_is_available)() )
{
int uid = getuid();
if ( uid )
{
if (setreuid( s_uid, uid )) {};
if ( !(*fp_lve_is_available)() )
s_enable_lve = 0;
if (setreuid( uid, s_uid )) {};
}
}
}
}
else
{
s_enable_lve = LSAPI_LVE_DISABLED;
}
return (s_liblve)? 0 : -1;
}
static int init_lve_ex(void)
{
int rc;
if ( !s_liblve )
return -1;
fp_lve_instance_init = dlsym(s_liblve, "lve_instance_init");
fp_lve_destroy = dlsym(s_liblve, "lve_destroy");
fp_lve_enter = dlsym(s_liblve, "lve_enter");
fp_lve_leave = dlsym(s_liblve, "lve_leave");
if ( s_enable_lve >= LSAPI_CAGEFS_ENABLED )
fp_lve_jail = dlsym(s_liblve, "jail" );
if ( s_lve == NULL )
{
rc = (*fp_lve_instance_init)(NULL);
s_lve = malloc(rc);
}
rc = (*fp_lve_instance_init)(s_lve);
if (rc != 0)
{
perror( "LSAPI: Unable to initialize LVE" );
free( s_lve );
s_lve = NULL;
return -1;
}
return 0;
}
#endif
static int readSecret( const char * pSecretFile )
{
struct stat st;
int fd = open( pSecretFile, O_RDONLY , 0600 );
if ( fd == -1 )
{
lsapi_log("LSAPI: failed to open secret file: %s!\n", pSecretFile );
return -1;
}
if ( fstat( fd, &st ) == -1 )
{
lsapi_log("LSAPI: failed to check state of file: %s!\n", pSecretFile );
close( fd );
return -1;
}
/*
if ( st.st_uid != s_uid )
{
lsapi_log("LSAPI: file owner check failure: %s!\n", pSecretFile );
close( fd );
return -1;
}
*/
if ( st.st_mode & 0077 )
{
lsapi_log("LSAPI: file permission check failure: %s\n", pSecretFile );
close( fd );
return -1;
}
if ( read( fd, s_secret, 16 ) < 16 )
{
lsapi_log("LSAPI: failed to read secret from secret file: %s\n", pSecretFile );
close( fd );
return -1;
}
close( fd );
return 0;
}
int LSAPI_is_suEXEC_Daemon(void)
{
if (( !s_uid )&&( s_secret[0] ))
return 1;
else
return 0;
}
static int LSAPI_perror_r( LSAPI_Request * pReq, const char * pErr1, const char *pErr2 )
{
char achError[4096];
int n = snprintf(achError, sizeof(achError), "[UID:%d][%d] %s:%s: %s\n",
getuid(), getpid(),
pErr1, (pErr2)?pErr2:"", strerror(errno));
if (n > (int)sizeof(achError))
n = sizeof(achError);
if ( pReq )
LSAPI_Write_Stderr_r( pReq, achError, n );
else
if (write( STDERR_FILENO, achError, n )) {};
return 0;
}
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
static int lsapi_lve_error( LSAPI_Request * pReq )
{
static const char * headers[] =
{
"Cache-Control: private, no-cache, no-store, must-revalidate, max-age=0",
"Pragma: no-cache",
"Retry-After: 60",
"Content-Type: text/html",
NULL
};
static const char achBody[] =
"\n"
"\n508 Resource Limit Is Reached\n"
"\n" "Resource Limit Is Reached
\n"
"The website is temporarily unable to service your request as it exceeded resource limit.\n"
"Please try again later.\n"
"
\n"
"\n";
LSAPI_ErrResponse_r( pReq, 508, headers, achBody, sizeof( achBody ) - 1 );
return 0;
}
static int lsapi_enterLVE( LSAPI_Request * pReq, uid_t uid )
{
if ( s_lve && uid ) //root user should not do that
{
uint32_t cookie;
int ret = -1;
ret = (*fp_lve_enter)(s_lve, uid, -1, -1, &cookie);
if ( ret < 0 )
{
//lsapi_log("enter LVE (%d) : result: %d !\n", uid, ret );
LSAPI_perror_r(pReq, "LSAPI: lve_enter() failure, reached resource limit.", NULL );
lsapi_lve_error( pReq );
return -1;
}
}
return 0;
}
static int lsapi_jailLVE( LSAPI_Request * pReq, uid_t uid, struct passwd * pw )
{
int ret = 0;
char error_msg[1024] = "";
ret = (*fp_lve_jail)( pw, error_msg );
if ( ret < 0 )
{
lsapi_log("LSAPI: LVE jail(%d) result: %d, error: %s !\n",
uid, ret, error_msg );
LSAPI_perror_r( pReq, "LSAPI: jail() failure.", NULL );
return -1;
}
return ret;
}
static int lsapi_initLVE(void)
{
const char * pEnv;
if ( (pEnv = getenv( "LSAPI_LVE_ENABLE" ))!= NULL )
{
s_enable_lve = atol( pEnv );
pEnv = NULL;
}
else if ( (pEnv = getenv( "LVE_ENABLE" ))!= NULL )
{
s_enable_lve = atol( pEnv );
pEnv = NULL;
}
if ( s_enable_lve && !s_uid )
{
lsapi_load_lve_lib();
if ( s_enable_lve )
{
return init_lve_ex();
}
}
return 0;
}
#endif
static int setUID_LVE(LSAPI_Request * pReq, uid_t uid, gid_t gid, const char * pChroot)
{
int rv;
struct passwd * pw;
pw = getpwuid( uid );
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
if ( s_lve )
{
if( lsapi_enterLVE( pReq, uid ) == -1 )
return -1;
if ( pw && fp_lve_jail)
{
rv = lsapi_jailLVE( pReq, uid, pw );
if ( rv == -1 )
return -1;
if (( rv == 1 )&&(s_enable_lve == LSAPI_CAGEFS_NO_SUEXEC )) //this mode only use cageFS, does not use suEXEC
{
uid = s_defaultUid;
gid = s_defaultGid;
pw = getpwuid( uid );
}
}
}
#endif
//if ( !uid || !gid ) //do not allow root
//{
// return -1;
//}
#if defined(__FreeBSD__ ) || defined(__NetBSD__) || defined(__OpenBSD__) \
|| defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
if ( s_enable_core_dump )
lsapi_enable_core_dump();
#endif
rv = setgid(gid);
if (rv == -1)
{
LSAPI_perror_r(pReq, "LSAPI: setgid()", NULL);
return -1;
}
if ( pw && (pw->pw_gid == gid ))
{
rv = initgroups( pw->pw_name, gid );
if (rv == -1)
{
LSAPI_perror_r(pReq, "LSAPI: initgroups()", NULL);
return -1;
}
}
else
{
rv = setgroups(1, &gid);
if (rv == -1)
{
LSAPI_perror_r(pReq, "LSAPI: setgroups()", NULL);
}
}
if ( pChroot )
{
rv = chroot( pChroot );
if ( rv == -1 )
{
LSAPI_perror_r(pReq, "LSAPI: chroot()", NULL);
return -1;
}
}
rv = setuid(uid);
if (rv == -1)
{
LSAPI_perror_r(pReq, "LSAPI: setuid()", NULL);
return -1;
}
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
if ( s_enable_core_dump )
lsapi_enable_core_dump();
#endif
return 0;
}
static int lsapi_suexec_auth( LSAPI_Request *pReq,
char * pAuth, int len, char * pUgid, int ugidLen )
{
lsapi_MD5_CTX md5ctx;
unsigned char achMD5[16];
if ( len < 32 )
return -1;
memmove( achMD5, pAuth + 16, 16 );
memmove( pAuth + 16, s_secret, 16 );
lsapi_MD5Init( &md5ctx );
lsapi_MD5Update( &md5ctx, (unsigned char *)pAuth, 32 );
lsapi_MD5Update( &md5ctx, (unsigned char *)pUgid, 8 );
lsapi_MD5Final( (unsigned char *)pAuth + 16, &md5ctx);
if ( memcmp( achMD5, pAuth + 16, 16 ) == 0 )
return 0;
return 1;
}
static int lsapi_changeUGid( LSAPI_Request * pReq )
{
int uid = s_defaultUid;
int gid = s_defaultGid;
const char *pStderrLog;
const char *pChroot = NULL;
struct LSAPI_key_value_pair * pEnv;
struct LSAPI_key_value_pair * pAuth;
int i;
if ( s_uid )
return 0;
//with special ID 0x00
//authenticate the suEXEC request;
//first one should be MD5( nonce + lscgid secret )
//remember to clear the secret after verification
//it should be set at the end of special env
i = pReq->m_pHeader->m_cntSpecialEnv - 1;
if ( i >= 0 )
{
pEnv = pReq->m_pSpecialEnvList + i;
if (( *pEnv->pKey == '\000' )&&
( strcmp( pEnv->pKey+1, "SUEXEC_AUTH" ) == 0 ))
{
--pReq->m_pHeader->m_cntSpecialEnv;
pAuth = pEnv--;
if (( *pEnv->pKey == '\000' )&&
( strcmp( pEnv->pKey+1, "SUEXEC_UGID" ) == 0 ))
{
--pReq->m_pHeader->m_cntSpecialEnv;
uid = *(uint32_t *)pEnv->pValue;
gid = *(((uint32_t *)pEnv->pValue) + 1 );
//lsapi_log("LSAPI: SUEXEC_UGID set UID: %d, GID: %d\n", uid, gid );
}
else
{
lsapi_log("LSAPI: missing SUEXEC_UGID env, use default user!\n" );
pEnv = NULL;
}
if ( pEnv&& lsapi_suexec_auth( pReq, pAuth->pValue, pAuth->valLen, pEnv->pValue, pEnv->valLen ) == 0 )
{
//read UID, GID from specialEnv
}
else
{
//authentication error
lsapi_log("LSAPI: SUEXEC_AUTH authentication failed, use default user!\n" );
uid = 0;
}
}
else
{
//lsapi_log("LSAPI: no SUEXEC_AUTH env, use default user!\n" );
}
}
if ( !uid )
{
uid = s_defaultUid;
gid = s_defaultGid;
}
//change uid
if ( setUID_LVE( pReq, uid, gid, pChroot ) == -1 )
{
return -1;
}
s_uid = uid;
if ( pReq->m_fdListen != -1 )
{
close( pReq->m_fdListen );
pReq->m_fdListen = -1;
}
pStderrLog = LSAPI_GetEnv_r( pReq, "LSAPI_STDERR_LOG");
if (pStderrLog)
lsapi_reopen_stderr(pStderrLog);
return 0;
}
static int parseContentLenFromHeader(LSAPI_Request * pReq)
{
const char * pContentLen = LSAPI_GetHeader_r( pReq, H_CONTENT_LENGTH );
if ( pContentLen )
pReq->m_reqBodyLen = strtoll( pContentLen, NULL, 10 );
return 0;
}
static int parseRequest( LSAPI_Request * pReq, int totalLen )
{
int shouldFixEndian;
char * pBegin = pReq->m_pReqBuf + sizeof( struct lsapi_req_header );
char * pEnd = pReq->m_pReqBuf + totalLen;
shouldFixEndian = ( LSAPI_ENDIAN != (
pReq->m_pHeader->m_pktHeader.m_flag & LSAPI_ENDIAN_BIT ) );
if ( shouldFixEndian )
{
fixEndian( pReq );
}
if ( (pReq->m_specialEnvListSize < pReq->m_pHeader->m_cntSpecialEnv )&&
allocateEnvList( &pReq->m_pSpecialEnvList,
&pReq->m_specialEnvListSize,
pReq->m_pHeader->m_cntSpecialEnv ) == -1 )
return -1;
if ( (pReq->m_envListSize < pReq->m_pHeader->m_cntEnv )&&
allocateEnvList( &pReq->m_pEnvList, &pReq->m_envListSize,
pReq->m_pHeader->m_cntEnv ) == -1 )
return -1;
if ( parseEnv( pReq->m_pSpecialEnvList,
pReq->m_pHeader->m_cntSpecialEnv,
&pBegin, pEnd ) == -1 )
return -1;
if ( parseEnv( pReq->m_pEnvList, pReq->m_pHeader->m_cntEnv,
&pBegin, pEnd ) == -1 )
return -1;
if (pReq->m_pHeader->m_scriptFileOff < 0
|| pReq->m_pHeader->m_scriptFileOff >= totalLen
|| pReq->m_pHeader->m_scriptNameOff < 0
|| pReq->m_pHeader->m_scriptNameOff >= totalLen
|| pReq->m_pHeader->m_queryStringOff < 0
|| pReq->m_pHeader->m_queryStringOff >= totalLen
|| pReq->m_pHeader->m_requestMethodOff < 0
|| pReq->m_pHeader->m_requestMethodOff >= totalLen)
{
lsapi_log("Bad request header - ERROR#1\n");
return -1;
}
pReq->m_pScriptFile = pReq->m_pReqBuf + pReq->m_pHeader->m_scriptFileOff;
pReq->m_pScriptName = pReq->m_pReqBuf + pReq->m_pHeader->m_scriptNameOff;
pReq->m_pQueryString = pReq->m_pReqBuf + pReq->m_pHeader->m_queryStringOff;
pReq->m_pRequestMethod = pReq->m_pReqBuf + pReq->m_pHeader->m_requestMethodOff;
pBegin = pReq->m_pReqBuf + (( pBegin - pReq->m_pReqBuf + 7 ) & (~0x7));
pReq->m_pHeaderIndex = ( struct lsapi_http_header_index * )pBegin;
pBegin += sizeof( struct lsapi_http_header_index );
pReq->m_pUnknownHeader = (struct lsapi_header_offset *)pBegin;
pBegin += sizeof( struct lsapi_header_offset) *
pReq->m_pHeader->m_cntUnknownHeaders;
pReq->m_pHttpHeader = pBegin;
pBegin += pReq->m_pHeader->m_httpHeaderLen;
if ( pBegin != pEnd )
{
lsapi_log("Request header does match total size, total: %d, "
"real: %ld\n", totalLen, pBegin - pReq->m_pReqBuf );
return -1;
}
if ( shouldFixEndian )
{
fixHeaderIndexEndian( pReq );
}
if (validateHeaders(pReq) == -1)
{
lsapi_log("Bad request header - ERROR#2\n");
return -1;
}
pReq->m_reqBodyLen = pReq->m_pHeader->m_reqBodyLen;
if ( pReq->m_reqBodyLen == -2 )
{
parseContentLenFromHeader(pReq);
}
return 0;
}
//OPTIMIZATION
static char s_accept_notify = 0;
static char s_schedule_notify = 0;
static char s_notify_scheduled = 0;
static char s_notified_pid = 0;
static struct lsapi_packet_header s_ack = {'L', 'S',
LSAPI_REQ_RECEIVED, LSAPI_ENDIAN, {LSAPI_PACKET_HEADER_LEN} };
static struct lsapi_packet_header s_conn_close_pkt = {'L', 'S',
LSAPI_CONN_CLOSE, LSAPI_ENDIAN, {LSAPI_PACKET_HEADER_LEN} };
static inline int send_notification_pkt( int fd, struct lsapi_packet_header *pkt )
{
if ( write( fd, pkt, LSAPI_PACKET_HEADER_LEN ) < LSAPI_PACKET_HEADER_LEN )
return -1;
return 0;
}
static inline int send_req_received_notification( int fd )
{
return send_notification_pkt(fd, &s_ack);
}
static inline int send_conn_close_notification( int fd )
{
return send_notification_pkt(fd, &s_conn_close_pkt);
}
//static void lsapi_sigalarm( int sig )
//{
// if ( s_notify_scheduled )
// {
// s_notify_scheduled = 0;
// if ( g_req.m_fd != -1 )
// write_req_received_notification( g_req.m_fd );
// }
//}
static inline int lsapi_schedule_notify(void)
{
if ( !s_notify_scheduled )
{
alarm( 2 );
s_notify_scheduled = 1;
}
return 0;
}
static inline int notify_req_received( int fd )
{
if ( s_schedule_notify )
return lsapi_schedule_notify();
return send_req_received_notification( fd );
}
static inline int lsapi_notify_pid( int fd )
{
char achBuf[16];
lsapi_buildPacketHeader( (struct lsapi_packet_header *)achBuf, LSAPI_STDERR_STREAM,
8 + LSAPI_PACKET_HEADER_LEN );
memmove( &achBuf[8], "\0PID", 4 );
*((int *)&achBuf[12]) = getpid();
if ( write( fd, achBuf, 16 ) < 16 )
return -1;
return 0;
}
static int readReq( LSAPI_Request * pReq )
{
int len;
int packetLen;
if ( !pReq )
return -1;
if ( pReq->m_reqBufSize < 8192 )
{
if ( allocateBuf( pReq, 8192 ) == -1 )
return -1;
}
while ( pReq->m_bufRead < LSAPI_PACKET_HEADER_LEN )
{
len = lsapi_read( pReq->m_fd, pReq->m_pReqBuf, pReq->m_reqBufSize );
if ( len <= 0 )
return -1;
pReq->m_bufRead += len;
}
pReq->m_reqState = LSAPI_ST_REQ_HEADER;
packetLen = verifyHeader( &pReq->m_pHeader->m_pktHeader, LSAPI_BEGIN_REQUEST );
if ( packetLen < 0 )
{
lsapi_log("packetLen < 0\n");
return -1;
}
if ( packetLen > LSAPI_MAX_HEADER_LEN )
{
lsapi_log("packetLen > %d\n", LSAPI_MAX_HEADER_LEN );
return -1;
}
if ( packetLen + 1024 > pReq->m_reqBufSize )
{
if ( allocateBuf( pReq, packetLen + 1024 ) == -1 )
return -1;
}
while( packetLen > pReq->m_bufRead )
{
len = lsapi_read( pReq->m_fd, pReq->m_pReqBuf + pReq->m_bufRead, packetLen - pReq->m_bufRead );
if ( len <= 0 )
return -1;
pReq->m_bufRead += len;
}
if ( parseRequest( pReq, packetLen ) < 0 )
{
lsapi_log("ParseRequest error\n");
return -1;
}
pReq->m_reqState = LSAPI_ST_REQ_BODY | LSAPI_ST_RESP_HEADER;
if ( !s_uid )
{
if ( lsapi_changeUGid( pReq ) )
return -1;
memset(s_secret, 0, sizeof(s_secret));
}
pReq->m_bufProcessed = packetLen;
//OPTIMIZATION
if ( !s_accept_notify && !s_notified_pid )
return notify_req_received( pReq->m_fd );
else
{
s_notified_pid = 0;
return 0;
}
}
int LSAPI_Init(void)
{
if ( !g_inited )
{
s_uid = geteuid();
s_secret[0] = 0;
lsapi_signal(SIGPIPE, lsapi_sigpipe);
lsapi_signal(SIGUSR1, lsapi_siguser1);
#if defined(SIGXFSZ) && defined(SIG_IGN)
signal(SIGXFSZ, SIG_IGN);
#endif
/* let STDOUT function as STDERR,
just in case writing to STDOUT directly */
dup2( 2, 1 );
if ( LSAPI_InitRequest( &g_req, LSAPI_SOCK_FILENO ) == -1 )
return -1;
g_inited = 1;
s_ppid = getppid();
void *pthread_lib = dlopen("libpthread.so", RTLD_LAZY);
if (pthread_lib)
pthread_atfork_func = dlsym(pthread_lib, "pthread_atfork");
}
return 0;
}
void LSAPI_Stop(void)
{
g_running = 0;
}
int LSAPI_IsRunning(void)
{
return g_running;
}
void LSAPI_Register_Pgrp_Timer_Callback(LSAPI_On_Timer_pf cb)
{
s_proc_group_timer_cb = cb;
}
int LSAPI_InitRequest( LSAPI_Request * pReq, int fd )
{
int newfd;
if ( !pReq )
return -1;
memset( pReq, 0, sizeof( LSAPI_Request ) );
if ( allocateIovec( pReq, 16 ) == -1 )
return -1;
pReq->m_pRespBuf = pReq->m_pRespBufPos = (char *)malloc( LSAPI_RESP_BUF_SIZE );
if ( !pReq->m_pRespBuf )
return -1;
pReq->m_pRespBufEnd = pReq->m_pRespBuf + LSAPI_RESP_BUF_SIZE;
pReq->m_pIovecCur = pReq->m_pIovecToWrite = pReq->m_pIovec + 1;
pReq->m_respPktHeaderEnd = &pReq->m_respPktHeader[5];
if ( allocateRespHeaderBuf( pReq, LSAPI_INIT_RESP_HEADER_LEN ) == -1 )
return -1;
if ( fd == STDIN_FILENO )
{
fd = dup( fd );
newfd = open( "/dev/null", O_RDWR );
dup2( newfd, STDIN_FILENO );
}
if ( isPipe( fd ) )
{
pReq->m_fdListen = -1;
pReq->m_fd = fd;
}
else
{
pReq->m_fdListen = fd;
pReq->m_fd = -1;
lsapi_set_nblock( fd, 1 );
}
return 0;
}
int LSAPI_Is_Listen( void )
{
return LSAPI_Is_Listen_r( &g_req );
}
int LSAPI_Is_Listen_r( LSAPI_Request * pReq)
{
return pReq->m_fdListen != -1;
}
int LSAPI_Accept_r( LSAPI_Request * pReq )
{
char achPeer[128];
socklen_t len;
int nodelay = 1;
if ( !pReq )
return -1;
if ( LSAPI_Finish_r( pReq ) == -1 )
return -1;
lsapi_set_nblock( pReq->m_fdListen , 0 );
while( g_running )
{
if ( pReq->m_fd == -1 )
{
if ( pReq->m_fdListen != -1)
{
len = sizeof( achPeer );
pReq->m_fd = accept( pReq->m_fdListen,
(struct sockaddr *)&achPeer, &len );
if ( pReq->m_fd == -1 )
{
if (( errno == EINTR )||( errno == EAGAIN))
continue;
else
return -1;
}
else
{
if (s_worker_status)
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_CONNECTED, __ATOMIC_SEQ_CST);
if (s_busy_workers)
__atomic_fetch_add(s_busy_workers, 1, __ATOMIC_SEQ_CST);
lsapi_set_nblock( pReq->m_fd , 0 );
if (((struct sockaddr *)&achPeer)->sa_family == AF_INET )
{
setsockopt(pReq->m_fd, IPPROTO_TCP, TCP_NODELAY,
(char *)&nodelay, sizeof(nodelay));
}
//init_conn_key( pReq->m_fd );
//OPTIMIZATION
if ( s_accept_notify )
if ( notify_req_received( pReq->m_fd ) == -1 )
return -1;
}
}
else
return -1;
}
if ( !readReq( pReq ) )
break;
//abort();
lsapi_close_connection(pReq);
LSAPI_Reset_r( pReq );
}
return 0;
}
static struct lsapi_packet_header finish_close[2] =
{
{'L', 'S', LSAPI_RESP_END, LSAPI_ENDIAN, {LSAPI_PACKET_HEADER_LEN} },
{'L', 'S', LSAPI_CONN_CLOSE, LSAPI_ENDIAN, {LSAPI_PACKET_HEADER_LEN} }
};
int LSAPI_Finish_r( LSAPI_Request * pReq )
{
/* finish req body */
if ( !pReq )
return -1;
if (pReq->m_reqState)
{
if ( pReq->m_fd != -1 )
{
if ( pReq->m_reqState & LSAPI_ST_RESP_HEADER )
{
LSAPI_FinalizeRespHeaders_r( pReq );
}
if ( pReq->m_pRespBufPos != pReq->m_pRespBuf )
{
Flush_RespBuf_r( pReq );
}
pReq->m_pIovecCur->iov_base = (void *)finish_close;
pReq->m_pIovecCur->iov_len = LSAPI_PACKET_HEADER_LEN;
pReq->m_totalLen += LSAPI_PACKET_HEADER_LEN;
++pReq->m_pIovecCur;
LSAPI_Flush_r( pReq );
}
LSAPI_Reset_r( pReq );
}
return 0;
}
int LSAPI_End_Response_r(LSAPI_Request * pReq)
{
if (!pReq)
return -1;
if (pReq->m_reqState & LSAPI_ST_BACKGROUND)
return 0;
if (pReq->m_reqState)
{
if ( pReq->m_fd != -1 )
{
if ( pReq->m_reqState & LSAPI_ST_RESP_HEADER )
{
if ( pReq->m_pRespHeaderBufPos <= pReq->m_pRespHeaderBuf )
return 0;
LSAPI_FinalizeRespHeaders_r( pReq );
}
if ( pReq->m_pRespBufPos != pReq->m_pRespBuf )
{
Flush_RespBuf_r( pReq );
}
pReq->m_pIovecCur->iov_base = (void *)finish_close;
pReq->m_pIovecCur->iov_len = LSAPI_PACKET_HEADER_LEN << 1;
pReq->m_totalLen += LSAPI_PACKET_HEADER_LEN << 1;
++pReq->m_pIovecCur;
LSAPI_Flush_r( pReq );
lsapi_close_connection(pReq);
}
pReq->m_reqState |= LSAPI_ST_BACKGROUND;
}
return 0;
}
void LSAPI_Reset_r( LSAPI_Request * pReq )
{
pReq->m_pRespBufPos = pReq->m_pRespBuf;
pReq->m_pIovecCur = pReq->m_pIovecToWrite = pReq->m_pIovec + 1;
pReq->m_pRespHeaderBufPos = pReq->m_pRespHeaderBuf;
memset( &pReq->m_pHeaderIndex, 0,
(char *)(pReq->m_respHeaderLen) - (char *)&pReq->m_pHeaderIndex );
}
int LSAPI_Release_r( LSAPI_Request * pReq )
{
if ( pReq->m_pReqBuf )
free( pReq->m_pReqBuf );
if ( pReq->m_pSpecialEnvList )
free( pReq->m_pSpecialEnvList );
if ( pReq->m_pEnvList )
free( pReq->m_pEnvList );
if ( pReq->m_pRespHeaderBuf )
free( pReq->m_pRespHeaderBuf );
return 0;
}
char * LSAPI_GetHeader_r( LSAPI_Request * pReq, int headerIndex )
{
int off;
if ( !pReq || ((unsigned int)headerIndex > H_TRANSFER_ENCODING) )
return NULL;
off = pReq->m_pHeaderIndex->m_headerOff[ headerIndex ];
if ( !off )
return NULL;
if ( *(pReq->m_pHttpHeader + off
+ pReq->m_pHeaderIndex->m_headerLen[ headerIndex ]) )
{
*( pReq->m_pHttpHeader + off
+ pReq->m_pHeaderIndex->m_headerLen[ headerIndex ]) = 0;
}
return pReq->m_pHttpHeader + off;
}
static int readBodyToReqBuf( LSAPI_Request * pReq )
{
off_t bodyLeft;
ssize_t len = pReq->m_bufRead - pReq->m_bufProcessed;
if ( len > 0 )
return len;
pReq->m_bufRead = pReq->m_bufProcessed = pReq->m_pHeader->m_pktHeader.m_packetLen.m_iLen;
bodyLeft = pReq->m_reqBodyLen - pReq->m_reqBodyRead;
len = pReq->m_reqBufSize - pReq->m_bufRead;
if ( len < 0 )
return -1;
if ( len > bodyLeft )
len = bodyLeft;
len = lsapi_read( pReq->m_fd, pReq->m_pReqBuf + pReq->m_bufRead, len );
if ( len > 0 )
pReq->m_bufRead += len;
return len;
}
int LSAPI_ReqBodyGetChar_r( LSAPI_Request * pReq )
{
if (!pReq || (pReq->m_fd ==-1) )
return EOF;
if ( pReq->m_bufProcessed >= pReq->m_bufRead )
{
if ( readBodyToReqBuf( pReq ) <= 0 )
return EOF;
}
++pReq->m_reqBodyRead;
return (unsigned char)*(pReq->m_pReqBuf + pReq->m_bufProcessed++);
}
int LSAPI_ReqBodyGetLine_r( LSAPI_Request * pReq, char * pBuf, size_t bufLen, int *getLF )
{
ssize_t len;
ssize_t left;
char * pBufEnd = pBuf + bufLen - 1;
char * pBufCur = pBuf;
char * pCur;
char * p;
if (!pReq || pReq->m_fd == -1 || !pBuf || !getLF)
return -1;
*getLF = 0;
while( (left = pBufEnd - pBufCur ) > 0 )
{
len = pReq->m_bufRead - pReq->m_bufProcessed;
if ( len <= 0 )
{
if ( (len = readBodyToReqBuf( pReq )) <= 0 )
{
*getLF = 1;
break;
}
}
if ( len > left )
len = left;
pCur = pReq->m_pReqBuf + pReq->m_bufProcessed;
p = memchr( pCur, '\n', len );
if ( p )
len = p - pCur + 1;
memmove( pBufCur, pCur, len );
pBufCur += len;
pReq->m_bufProcessed += len;
pReq->m_reqBodyRead += len;
if ( p )
{
*getLF = 1;
break;
}
}
*pBufCur = 0;
return pBufCur - pBuf;
}
ssize_t LSAPI_ReadReqBody_r( LSAPI_Request * pReq, char * pBuf, size_t bufLen )
{
ssize_t len;
off_t total;
/* char *pOldBuf = pBuf; */
if (!pReq || pReq->m_fd == -1 || !pBuf || (ssize_t)bufLen < 0)
return -1;
total = pReq->m_reqBodyLen - pReq->m_reqBodyRead;
if ( total <= 0 )
return 0;
if ( total < (ssize_t)bufLen )
bufLen = total;
total = 0;
len = pReq->m_bufRead - pReq->m_bufProcessed;
if ( len > 0 )
{
if ( len > (ssize_t)bufLen )
len = bufLen;
memmove( pBuf, pReq->m_pReqBuf + pReq->m_bufProcessed, len );
pReq->m_bufProcessed += len;
total += len;
pBuf += len;
bufLen -= len;
}
while( bufLen > 0 )
{
len = lsapi_read( pReq->m_fd, pBuf, bufLen );
if ( len > 0 )
{
total += len;
pBuf += len;
bufLen -= len;
}
else if ( len <= 0 )
{
if ( !total)
return -1;
break;
}
}
pReq->m_reqBodyRead += total;
return total;
}
ssize_t LSAPI_Write_r( LSAPI_Request * pReq, const char * pBuf, size_t len )
{
struct lsapi_packet_header * pHeader;
const char * pEnd;
const char * p;
ssize_t bufLen;
ssize_t toWrite;
ssize_t packetLen;
int skip = 0;
if (!pReq || !pBuf)
return -1;
if (pReq->m_reqState & LSAPI_ST_BACKGROUND)
return len;
if (pReq->m_fd == -1)
return -1;
if ( pReq->m_reqState & LSAPI_ST_RESP_HEADER )
{
LSAPI_FinalizeRespHeaders_r( pReq );
/*
if ( *pBuf == '\r' )
{
++skip;
}
if ( *pBuf == '\n' )
{
++skip;
}
*/
}
pReq->m_reqState |= LSAPI_ST_RESP_BODY;
if ( ((ssize_t)len - skip) < pReq->m_pRespBufEnd - pReq->m_pRespBufPos )
{
memmove( pReq->m_pRespBufPos, pBuf + skip, len - skip );
pReq->m_pRespBufPos += len - skip;
return len;
}
pHeader = pReq->m_respPktHeader;
p = pBuf + skip;
pEnd = pBuf + len;
bufLen = pReq->m_pRespBufPos - pReq->m_pRespBuf;
while( ( toWrite = pEnd - p ) > 0 )
{
packetLen = toWrite + bufLen;
if ( LSAPI_MAX_DATA_PACKET_LEN < packetLen)
{
packetLen = LSAPI_MAX_DATA_PACKET_LEN;
toWrite = packetLen - bufLen;
}
lsapi_buildPacketHeader( pHeader, LSAPI_RESP_STREAM,
packetLen + LSAPI_PACKET_HEADER_LEN );
pReq->m_totalLen += packetLen + LSAPI_PACKET_HEADER_LEN;
pReq->m_pIovecCur->iov_base = (void *)pHeader;
pReq->m_pIovecCur->iov_len = LSAPI_PACKET_HEADER_LEN;
++pReq->m_pIovecCur;
++pHeader;
if ( bufLen > 0 )
{
pReq->m_pIovecCur->iov_base = (void *)pReq->m_pRespBuf;
pReq->m_pIovecCur->iov_len = bufLen;
pReq->m_pRespBufPos = pReq->m_pRespBuf;
++pReq->m_pIovecCur;
bufLen = 0;
}
pReq->m_pIovecCur->iov_base = (void *)p;
pReq->m_pIovecCur->iov_len = toWrite;
++pReq->m_pIovecCur;
p += toWrite;
if ( pHeader >= pReq->m_respPktHeaderEnd - 1)
{
if ( LSAPI_Flush_r( pReq ) == -1 )
return -1;
pHeader = pReq->m_respPktHeader;
}
}
if ( pHeader != pReq->m_respPktHeader )
if ( LSAPI_Flush_r( pReq ) == -1 )
return -1;
return p - pBuf;
}
#if defined(__FreeBSD__ )
ssize_t gsendfile( int fdOut, int fdIn, off_t* off, size_t size )
{
ssize_t ret;
off_t written;
ret = sendfile( fdIn, fdOut, *off, size, NULL, &written, 0 );
if ( written > 0 )
{
ret = written;
*off += ret;
}
return ret;
}
#endif
#if defined(__OpenBSD__) || defined(__NetBSD__)
ssize_t gsendfile( int fdOut, int fdIn, off_t* off, size_t size )
{
ssize_t ret;
off_t written = 0;
const size_t bufsiz = 16384;
unsigned char in[bufsiz] = {0};
if (lseek(fdIn, *off, SEEK_SET) == -1) {
return -1;
}
while (size > 0) {
size_t tor = size > sizeof(in) ? sizeof(in) : size;
ssize_t c = read(fdIn, in, tor);
if (c <= 0) {
goto end;
}
ssize_t w = write(fdOut, in, c);
if (w > 0)
written += w;
if (w != c) {
goto end;
}
size -= c;
}
end:
*off += written;
return 0;
}
#endif
#if defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
ssize_t gsendfile( int fdOut, int fdIn, off_t* off, size_t size )
{
ssize_t ret;
off_t len = size;
ret = sendfile( fdIn, fdOut, *off, &len, NULL, 0 );
if (( ret == 0 )&&( len > 0 ))
{
ret = len;
*off += len;
}
return ret;
}
#endif
#if defined(sun) || defined(__sun)
#include
ssize_t gsendfile( int fdOut, int fdIn, off_t *off, size_t size )
{
int n = 0 ;
sendfilevec_t vec[1];
vec[n].sfv_fd = fdIn;
vec[n].sfv_flag = 0;
vec[n].sfv_off = *off;
vec[n].sfv_len = size;
++n;
size_t written;
ssize_t ret = sendfilev( fdOut, vec, n, &written );
if (( !ret )||( errno == EAGAIN ))
ret = written;
if ( ret > 0 )
*off += ret;
return ret;
}
#endif
#if defined(linux) || defined(__linux) || defined(__linux__) || \
defined(__gnu_linux__)
#include
#define gsendfile sendfile
#endif
#if defined(HPUX)
ssize_t gsendfile( int fdOut, int fdIn, off_t * off, size_t size )
{
return sendfile( fdOut, fdIn, off, size, NULL, 0 );
}
#endif
ssize_t LSAPI_sendfile_r( LSAPI_Request * pReq, int fdIn, off_t* off, size_t size )
{
struct lsapi_packet_header * pHeader = pReq->m_respPktHeader;
if ( !pReq || (pReq->m_fd == -1) || fdIn == -1 )
return -1;
if ( pReq->m_reqState & LSAPI_ST_RESP_HEADER )
{
LSAPI_FinalizeRespHeaders_r( pReq );
}
pReq->m_reqState |= LSAPI_ST_RESP_BODY;
LSAPI_Flush_r(pReq);
lsapi_buildPacketHeader( pHeader, LSAPI_RESP_STREAM,
size + LSAPI_PACKET_HEADER_LEN );
if (write(pReq->m_fd, (const char *) pHeader, LSAPI_PACKET_HEADER_LEN ) != LSAPI_PACKET_HEADER_LEN)
return -1;
return gsendfile( pReq->m_fd, fdIn, off, size );
}
void Flush_RespBuf_r( LSAPI_Request * pReq )
{
struct lsapi_packet_header * pHeader = pReq->m_respPktHeader;
int bufLen = pReq->m_pRespBufPos - pReq->m_pRespBuf;
pReq->m_reqState |= LSAPI_ST_RESP_BODY;
lsapi_buildPacketHeader( pHeader, LSAPI_RESP_STREAM,
bufLen + LSAPI_PACKET_HEADER_LEN );
pReq->m_totalLen += bufLen + LSAPI_PACKET_HEADER_LEN;
pReq->m_pIovecCur->iov_base = (void *)pHeader;
pReq->m_pIovecCur->iov_len = LSAPI_PACKET_HEADER_LEN;
++pReq->m_pIovecCur;
++pHeader;
if ( bufLen > 0 )
{
pReq->m_pIovecCur->iov_base = (void *)pReq->m_pRespBuf;
pReq->m_pIovecCur->iov_len = bufLen;
pReq->m_pRespBufPos = pReq->m_pRespBuf;
++pReq->m_pIovecCur;
bufLen = 0;
}
}
int LSAPI_Flush_r( LSAPI_Request * pReq )
{
int ret = 0;
int n;
if ( !pReq )
return -1;
n = pReq->m_pIovecCur - pReq->m_pIovecToWrite;
if (( 0 == n )&&( pReq->m_pRespBufPos == pReq->m_pRespBuf ))
return 0;
if ( pReq->m_fd == -1 )
{
pReq->m_pRespBufPos = pReq->m_pRespBuf;
pReq->m_totalLen = 0;
pReq->m_pIovecCur = pReq->m_pIovecToWrite = pReq->m_pIovec;
return -1;
}
if ( pReq->m_reqState & LSAPI_ST_RESP_HEADER )
{
LSAPI_FinalizeRespHeaders_r( pReq );
}
if ( pReq->m_pRespBufPos != pReq->m_pRespBuf )
{
Flush_RespBuf_r( pReq );
}
n = pReq->m_pIovecCur - pReq->m_pIovecToWrite;
if ( n > 0 )
{
ret = lsapi_writev( pReq->m_fd, &pReq->m_pIovecToWrite,
n, pReq->m_totalLen );
if ( ret < pReq->m_totalLen )
{
lsapi_close_connection(pReq);
ret = -1;
}
pReq->m_totalLen = 0;
pReq->m_pIovecCur = pReq->m_pIovecToWrite = pReq->m_pIovec;
}
return ret;
}
ssize_t LSAPI_Write_Stderr_r( LSAPI_Request * pReq, const char * pBuf, size_t len )
{
struct lsapi_packet_header header;
const char * pEnd;
const char * p;
ssize_t packetLen;
ssize_t totalLen;
int ret;
struct iovec iov[2];
struct iovec *pIov;
if ( !pReq )
return -1;
if (s_stderr_log_path || pReq->m_fd == -1 || pReq->m_fd == pReq->m_fdListen)
return write( 2, pBuf, len );
if ( pReq->m_pRespBufPos != pReq->m_pRespBuf )
{
LSAPI_Flush_r( pReq );
}
p = pBuf;
pEnd = pBuf + len;
while( ( packetLen = pEnd - p ) > 0 )
{
if ( LSAPI_MAX_DATA_PACKET_LEN < packetLen)
{
packetLen = LSAPI_MAX_DATA_PACKET_LEN;
}
lsapi_buildPacketHeader( &header, LSAPI_STDERR_STREAM,
packetLen + LSAPI_PACKET_HEADER_LEN );
totalLen = packetLen + LSAPI_PACKET_HEADER_LEN;
iov[0].iov_base = (void *)&header;
iov[0].iov_len = LSAPI_PACKET_HEADER_LEN;
iov[1].iov_base = (void *)p;
iov[1].iov_len = packetLen;
p += packetLen;
pIov = iov;
ret = lsapi_writev( pReq->m_fd, &pIov,
2, totalLen );
if ( ret < totalLen )
{
lsapi_close_connection(pReq);
ret = -1;
}
}
return p - pBuf;
}
static char * GetHeaderVar( LSAPI_Request * pReq, const char * name )
{
int i;
char * pValue;
for( i = 0; i < H_TRANSFER_ENCODING; ++i )
{
if ( pReq->m_pHeaderIndex->m_headerOff[i] )
{
if ( strcmp( name, CGI_HEADERS[i] ) == 0 )
{
pValue = pReq->m_pHttpHeader
+ pReq->m_pHeaderIndex->m_headerOff[i];
if ( *(pValue + pReq->m_pHeaderIndex->m_headerLen[i]) != '\0')
{
*(pValue + pReq->m_pHeaderIndex->m_headerLen[i]) = '\0';
}
return pValue;
}
}
}
if ( pReq->m_pHeader->m_cntUnknownHeaders > 0 )
{
const char *p;
char *pKey;
char *pKeyEnd;
int keyLen;
struct lsapi_header_offset * pCur, *pEnd;
pCur = pReq->m_pUnknownHeader;
pEnd = pCur + pReq->m_pHeader->m_cntUnknownHeaders;
while( pCur < pEnd )
{
pKey = pReq->m_pHttpHeader + pCur->nameOff;
keyLen = pCur->nameLen;
pKeyEnd = pKey + keyLen;
p = &name[5];
while(( pKey < pKeyEnd )&&( *p ))
{
char ch = toupper( *pKey );
if ((ch != *p )||(( *p == '_' )&&( ch != '-')))
break;
++p; ++pKey;
}
if (( pKey == pKeyEnd )&& (!*p ))
{
pValue = pReq->m_pHttpHeader + pCur->valueOff;
if ( *(pValue + pCur->valueLen) != '\0')
{
*(pValue + pCur->valueLen) = '\0';
}
return pValue;
}
++pCur;
}
}
return NULL;
}
char * LSAPI_GetEnv_r( LSAPI_Request * pReq, const char * name )
{
struct LSAPI_key_value_pair * pBegin = pReq->m_pEnvList;
struct LSAPI_key_value_pair * pEnd = pBegin + pReq->m_pHeader->m_cntEnv;
if ( !pReq || !name )
return NULL;
if ( strncmp( name, "HTTP_", 5 ) == 0 )
{
return GetHeaderVar( pReq, name );
}
while( pBegin < pEnd )
{
if ( strcmp( name, pBegin->pKey ) == 0 )
return pBegin->pValue;
++pBegin;
}
return NULL;
}
struct _headerInfo
{
const char * _name;
int _nameLen;
const char * _value;
int _valueLen;
};
int compareValueLocation(const void * v1, const void *v2 )
{
return ((const struct _headerInfo *)v1)->_value -
((const struct _headerInfo *)v2)->_value;
}
int LSAPI_ForeachOrgHeader_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg )
{
int i;
int len = 0;
char * pValue;
int ret;
int count = 0;
struct _headerInfo headers[512];
if ( !pReq || !fn )
return -1;
if ( !pReq->m_pHeaderIndex )
return 0;
for( i = 0; i < H_TRANSFER_ENCODING; ++i )
{
if ( pReq->m_pHeaderIndex->m_headerOff[i] )
{
len = pReq->m_pHeaderIndex->m_headerLen[i];
pValue = pReq->m_pHttpHeader + pReq->m_pHeaderIndex->m_headerOff[i];
*(pValue + len ) = 0;
headers[count]._name = HTTP_HEADERS[i];
headers[count]._nameLen = HTTP_HEADER_LEN[i];
headers[count]._value = pValue;
headers[count]._valueLen = len;
++count;
//ret = (*fn)( HTTP_HEADERS[i], HTTP_HEADER_LEN[i],
// pValue, len, arg );
//if ( ret <= 0 )
// return ret;
}
}
if ( pReq->m_pHeader->m_cntUnknownHeaders > 0 )
{
char *pKey;
int keyLen;
struct lsapi_header_offset * pCur, *pEnd;
pCur = pReq->m_pUnknownHeader;
pEnd = pCur + pReq->m_pHeader->m_cntUnknownHeaders;
while( pCur < pEnd )
{
pKey = pReq->m_pHttpHeader + pCur->nameOff;
keyLen = pCur->nameLen;
*(pKey + keyLen ) = 0;
pValue = pReq->m_pHttpHeader + pCur->valueOff;
*(pValue + pCur->valueLen ) = 0;
headers[count]._name = pKey;
headers[count]._nameLen = keyLen;
headers[count]._value = pValue;
headers[count]._valueLen = pCur->valueLen;
++count;
if ( count == 512 )
break;
//ret = (*fn)( pKey, keyLen,
// pValue, pCur->valueLen, arg );
//if ( ret <= 0 )
// return ret;
++pCur;
}
}
qsort( headers, count, sizeof( struct _headerInfo ), compareValueLocation );
for( i = 0; i < count; ++i )
{
ret = (*fn)( headers[i]._name, headers[i]._nameLen,
headers[i]._value, headers[i]._valueLen, arg );
if ( ret <= 0 )
return ret;
}
return count;
}
int LSAPI_ForeachHeader_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg )
{
int i;
int len = 0;
char * pValue;
int ret;
int count = 0;
if ( !pReq || !fn )
return -1;
for( i = 0; i < H_TRANSFER_ENCODING; ++i )
{
if ( pReq->m_pHeaderIndex->m_headerOff[i] )
{
len = pReq->m_pHeaderIndex->m_headerLen[i];
pValue = pReq->m_pHttpHeader + pReq->m_pHeaderIndex->m_headerOff[i];
*(pValue + len ) = 0;
ret = (*fn)( CGI_HEADERS[i], CGI_HEADER_LEN[i],
pValue, len, arg );
++count;
if ( ret <= 0 )
return ret;
}
}
if ( pReq->m_pHeader->m_cntUnknownHeaders > 0 )
{
char achHeaderName[256];
char *p;
char *pKey;
char *pKeyEnd ;
int keyLen;
struct lsapi_header_offset * pCur, *pEnd;
pCur = pReq->m_pUnknownHeader;
pEnd = pCur + pReq->m_pHeader->m_cntUnknownHeaders;
while( pCur < pEnd )
{
pKey = pReq->m_pHttpHeader + pCur->nameOff;
keyLen = pCur->nameLen;
if ( keyLen > 250 )
keyLen = 250;
pKeyEnd = pKey + keyLen;
memcpy( achHeaderName, "HTTP_", 5 );
p = &achHeaderName[5];
while( pKey < pKeyEnd )
{
char ch = *pKey++;
if ( ch == '-' )
*p++ = '_';
else
*p++ = toupper( ch );
}
*p = 0;
keyLen += 5;
pValue = pReq->m_pHttpHeader + pCur->valueOff;
*(pValue + pCur->valueLen ) = 0;
ret = (*fn)( achHeaderName, keyLen,
pValue, pCur->valueLen, arg );
if ( ret <= 0 )
return ret;
++pCur;
}
}
return count + pReq->m_pHeader->m_cntUnknownHeaders;
}
static int EnvForeach( struct LSAPI_key_value_pair * pEnv,
int n, LSAPI_CB_EnvHandler fn, void * arg )
{
struct LSAPI_key_value_pair * pEnd = pEnv + n;
int ret;
if ( !pEnv || !fn )
return -1;
while( pEnv < pEnd )
{
ret = (*fn)( pEnv->pKey, pEnv->keyLen,
pEnv->pValue, pEnv->valLen, arg );
if ( ret <= 0 )
return ret;
++pEnv;
}
return n;
}
int LSAPI_ForeachEnv_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg )
{
if ( !pReq || !fn )
return -1;
if ( pReq->m_pHeader->m_cntEnv > 0 )
{
return EnvForeach( pReq->m_pEnvList, pReq->m_pHeader->m_cntEnv,
fn, arg );
}
return 0;
}
int LSAPI_ForeachSpecialEnv_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg )
{
if ( !pReq || !fn )
return -1;
if ( pReq->m_pHeader->m_cntSpecialEnv > 0 )
{
return EnvForeach( pReq->m_pSpecialEnvList,
pReq->m_pHeader->m_cntSpecialEnv,
fn, arg );
}
return 0;
}
int LSAPI_FinalizeRespHeaders_r( LSAPI_Request * pReq )
{
if ( !pReq || !pReq->m_pIovec )
return -1;
if ( !( pReq->m_reqState & LSAPI_ST_RESP_HEADER ) )
return 0;
pReq->m_reqState &= ~LSAPI_ST_RESP_HEADER;
if ( pReq->m_pRespHeaderBufPos > pReq->m_pRespHeaderBuf )
{
pReq->m_pIovecCur->iov_base = (void *)pReq->m_pRespHeaderBuf;
pReq->m_pIovecCur->iov_len = pReq->m_pRespHeaderBufPos - pReq->m_pRespHeaderBuf;
pReq->m_totalLen += pReq->m_pIovecCur->iov_len;
++pReq->m_pIovecCur;
}
pReq->m_pIovec->iov_len = sizeof( struct lsapi_resp_header)
+ pReq->m_respHeader.m_respInfo.m_cntHeaders * sizeof( short );
pReq->m_totalLen += pReq->m_pIovec->iov_len;
lsapi_buildPacketHeader( &pReq->m_respHeader.m_pktHeader,
LSAPI_RESP_HEADER, pReq->m_totalLen );
pReq->m_pIovec->iov_base = (void *)&pReq->m_respHeader;
pReq->m_pIovecToWrite = pReq->m_pIovec;
return 0;
}
int LSAPI_AppendRespHeader2_r( LSAPI_Request * pReq, const char * pHeaderName,
const char * pHeaderValue )
{
int nameLen, valLen, len;
if ( !pReq || !pHeaderName || !pHeaderValue )
return -1;
if ( pReq->m_reqState & LSAPI_ST_RESP_BODY )
return -1;
if ( pReq->m_respHeader.m_respInfo.m_cntHeaders >= LSAPI_MAX_RESP_HEADERS )
return -1;
nameLen = strlen( pHeaderName );
valLen = strlen( pHeaderValue );
if ( nameLen == 0 )
return -1;
while( nameLen > 0 )
{
char ch = *(pHeaderName + nameLen - 1 );
if (( ch == '\n' )||( ch == '\r' ))
--nameLen;
else
break;
}
if ( nameLen <= 0 )
return 0;
while( valLen > 0 )
{
char ch = *(pHeaderValue + valLen - 1 );
if (( ch == '\n' )||( ch == '\r' ))
--valLen;
else
break;
}
len = nameLen + valLen + 1;
if ( len > LSAPI_RESP_HTTP_HEADER_MAX )
return -1;
if ( pReq->m_pRespHeaderBufPos + len + 1 > pReq->m_pRespHeaderBufEnd )
{
int newlen = pReq->m_pRespHeaderBufPos + len + 4096 - pReq->m_pRespHeaderBuf;
newlen -= newlen % 4096;
if ( allocateRespHeaderBuf( pReq, newlen ) == -1 )
return -1;
}
memmove( pReq->m_pRespHeaderBufPos, pHeaderName, nameLen );
pReq->m_pRespHeaderBufPos += nameLen;
*pReq->m_pRespHeaderBufPos++ = ':';
memmove( pReq->m_pRespHeaderBufPos, pHeaderValue, valLen );
pReq->m_pRespHeaderBufPos += valLen;
*pReq->m_pRespHeaderBufPos++ = 0;
++len; /* add one byte padding for \0 */
pReq->m_respHeaderLen[pReq->m_respHeader.m_respInfo.m_cntHeaders] = len;
++pReq->m_respHeader.m_respInfo.m_cntHeaders;
return 0;
}
int LSAPI_AppendRespHeader_r( LSAPI_Request * pReq, const char * pBuf, int len )
{
if ( !pReq || !pBuf || len <= 0 || len > LSAPI_RESP_HTTP_HEADER_MAX )
return -1;
if ( pReq->m_reqState & LSAPI_ST_RESP_BODY )
return -1;
if ( pReq->m_respHeader.m_respInfo.m_cntHeaders >= LSAPI_MAX_RESP_HEADERS )
return -1;
while( len > 0 )
{
char ch = *(pBuf + len - 1 );
if (( ch == '\n' )||( ch == '\r' ))
--len;
else
break;
}
if ( len <= 0 )
return 0;
if ( pReq->m_pRespHeaderBufPos + len + 1 > pReq->m_pRespHeaderBufEnd )
{
int newlen = pReq->m_pRespHeaderBufPos + len + 4096 - pReq->m_pRespHeaderBuf;
newlen -= newlen % 4096;
if ( allocateRespHeaderBuf( pReq, newlen ) == -1 )
return -1;
}
memmove( pReq->m_pRespHeaderBufPos, pBuf, len );
pReq->m_pRespHeaderBufPos += len;
*pReq->m_pRespHeaderBufPos++ = 0;
++len; /* add one byte padding for \0 */
pReq->m_respHeaderLen[pReq->m_respHeader.m_respInfo.m_cntHeaders] = len;
++pReq->m_respHeader.m_respInfo.m_cntHeaders;
return 0;
}
int LSAPI_CreateListenSock2( const struct sockaddr * pServerAddr, int backlog )
{
int ret;
int fd;
int flag = 1;
int addr_len;
switch( pServerAddr->sa_family )
{
case AF_INET:
addr_len = 16;
break;
case AF_INET6:
addr_len = sizeof( struct sockaddr_in6 );
break;
case AF_UNIX:
addr_len = sizeof( struct sockaddr_un );
unlink( ((struct sockaddr_un *)pServerAddr)->sun_path );
break;
default:
return -1;
}
fd = socket( pServerAddr->sa_family, SOCK_STREAM, 0 );
if ( fd == -1 )
return -1;
fcntl( fd, F_SETFD, FD_CLOEXEC );
if(setsockopt( fd, SOL_SOCKET, SO_REUSEADDR,
(char *)( &flag ), sizeof(flag)) == 0)
{
ret = bind( fd, pServerAddr, addr_len );
if ( !ret )
{
ret = listen( fd, backlog );
if ( !ret )
return fd;
}
}
ret = errno;
close(fd);
errno = ret;
return -1;
}
int LSAPI_ParseSockAddr( const char * pBind, struct sockaddr * pAddr )
{
char achAddr[256];
char * p = achAddr;
char * pEnd;
struct addrinfo *res, hints;
int doAddrInfo = 0;
int port;
if ( !pBind )
return -1;
while( isspace( *pBind ) )
++pBind;
strncpy(achAddr, pBind, 255);
achAddr[255] = 0;
switch( *p )
{
case '/':
pAddr->sa_family = AF_UNIX;
strncpy( ((struct sockaddr_un *)pAddr)->sun_path, p,
sizeof(((struct sockaddr_un *)pAddr)->sun_path) );
return 0;
case '[':
pAddr->sa_family = AF_INET6;
++p;
pEnd = strchr( p, ']' );
if ( !pEnd )
return -1;
*pEnd++ = 0;
if ( *p == '*' )
{
strcpy( achAddr, "::" );
p = achAddr;
}
doAddrInfo = 1;
break;
default:
pAddr->sa_family = AF_INET;
pEnd = strchr( p, ':' );
if ( !pEnd )
return -1;
*pEnd++ = 0;
doAddrInfo = 0;
if ( *p == '*' )
{
((struct sockaddr_in *)pAddr)->sin_addr.s_addr = htonl(INADDR_ANY);
}
else if (!strcasecmp( p, "localhost" ) )
((struct sockaddr_in *)pAddr)->sin_addr.s_addr = htonl( INADDR_LOOPBACK );
else
{
#ifdef HAVE_INET_PTON
if (!inet_pton(AF_INET, p, &((struct sockaddr_in *)pAddr)->sin_addr))
#else
((struct sockaddr_in *)pAddr)->sin_addr.s_addr = inet_addr( p );
if ( ((struct sockaddr_in *)pAddr)->sin_addr.s_addr == INADDR_BROADCAST)
#endif
{
doAddrInfo = 1;
}
}
break;
}
if ( *pEnd == ':' )
++pEnd;
port = atoi( pEnd );
if (( port <= 0 )||( port > 65535 ))
return -1;
if ( doAddrInfo )
{
memset(&hints, 0, sizeof(hints));
hints.ai_family = pAddr->sa_family;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if ( getaddrinfo(p, NULL, &hints, &res) )
{
return -1;
}
memcpy(pAddr, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
}
if ( pAddr->sa_family == AF_INET )
((struct sockaddr_in *)pAddr)->sin_port = htons( port );
else
((struct sockaddr_in6 *)pAddr)->sin6_port = htons( port );
return 0;
}
int LSAPI_CreateListenSock( const char * pBind, int backlog )
{
char serverAddr[128];
int ret;
int fd = -1;
ret = LSAPI_ParseSockAddr( pBind, (struct sockaddr *)serverAddr );
if ( !ret )
{
fd = LSAPI_CreateListenSock2( (struct sockaddr *)serverAddr, backlog );
}
return fd;
}
static fn_select_t g_fnSelect = select;
typedef struct _lsapi_prefork_server
{
int m_fd;
int m_iMaxChildren;
int m_iExtraChildren;
int m_iCurChildren;
int m_iMaxIdleChildren;
int m_iServerMaxIdle;
int m_iChildrenMaxIdleTime;
int m_iMaxReqProcessTime;
int m_iAvoidFork;
lsapi_child_status * m_pChildrenStatus;
lsapi_child_status * m_pChildrenStatusCur;
lsapi_child_status * m_pChildrenStatusEnd;
}lsapi_prefork_server;
static lsapi_prefork_server * g_prefork_server = NULL;
int LSAPI_Init_Prefork_Server( int max_children, fn_select_t fp, int avoidFork )
{
if ( g_prefork_server )
return 0;
if ( max_children <= 1 )
return -1;
if ( max_children >= 10000)
max_children = 10000;
if (s_max_busy_workers == 0)
s_max_busy_workers = max_children / 2 + 1;
g_prefork_server = (lsapi_prefork_server *)malloc( sizeof( lsapi_prefork_server ) );
if ( !g_prefork_server )
return -1;
memset( g_prefork_server, 0, sizeof( lsapi_prefork_server ) );
if ( fp != NULL )
g_fnSelect = fp;
s_ppid = getppid();
s_pid = getpid();
setpgid( s_pid, s_pid );
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
s_total_pages = sysconf(_SC_PHYS_PAGES);
#endif
g_prefork_server->m_iAvoidFork = avoidFork;
g_prefork_server->m_iMaxChildren = max_children;
g_prefork_server->m_iExtraChildren = ( avoidFork ) ? 0 : (max_children / 3) ;
g_prefork_server->m_iMaxIdleChildren = ( avoidFork ) ? (max_children + 1) : (max_children / 3);
if ( g_prefork_server->m_iMaxIdleChildren == 0 )
g_prefork_server->m_iMaxIdleChildren = 1;
g_prefork_server->m_iChildrenMaxIdleTime = 300;
g_prefork_server->m_iMaxReqProcessTime = 3600;
setsid();
return 0;
}
void LSAPI_Set_Server_fd( int fd )
{
if( g_prefork_server )
g_prefork_server->m_fd = fd;
}
static int lsapi_accept( int fdListen )
{
int fd;
int nodelay = 1;
socklen_t len;
char achPeer[128];
len = sizeof( achPeer );
fd = accept( fdListen, (struct sockaddr *)&achPeer, &len );
if ( fd != -1 )
{
if (((struct sockaddr *)&achPeer)->sa_family == AF_INET )
{
setsockopt( fd, IPPROTO_TCP, TCP_NODELAY,
(char *)&nodelay, sizeof(nodelay));
}
//OPTIMIZATION
//if ( s_accept_notify )
// notify_req_received( fd );
}
return fd;
}
static unsigned int s_max_reqs = UINT_MAX;
static int s_max_idle_secs = 300;
static int s_stop;
static void lsapi_cleanup(int signal)
{
s_stop = signal;
}
static lsapi_child_status * find_child_status( int pid )
{
lsapi_child_status * pStatus = g_prefork_server->m_pChildrenStatus;
lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatusEnd;
while( pStatus < pEnd )
{
if ( pStatus->m_pid == pid )
{
if (pid == 0)
{
memset(pStatus, 0, sizeof( *pStatus ) );
pStatus->m_pid = -1;
}
if ( pStatus + 1 > g_prefork_server->m_pChildrenStatusCur )
g_prefork_server->m_pChildrenStatusCur = pStatus + 1;
return pStatus;
}
++pStatus;
}
return NULL;
}
void LSAPI_reset_server_state( void )
{
/*
Reset child status
*/
g_prefork_server->m_iCurChildren = 0;
lsapi_child_status * pStatus = g_prefork_server->m_pChildrenStatus;
lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatusEnd;
while( pStatus < pEnd )
{
pStatus->m_pid = 0;
++pStatus;
}
if (s_busy_workers)
__atomic_store_n(s_busy_workers, 0, __ATOMIC_SEQ_CST);
if (s_accepting_workers)
__atomic_store_n(s_accepting_workers, 0, __ATOMIC_SEQ_CST);
}
static void lsapi_sigchild( int signal )
{
int status, pid;
char expect_connected = LSAPI_STATE_CONNECTED;
char expect_accepting = LSAPI_STATE_ACCEPTING;
lsapi_child_status * child_status;
if (g_prefork_server == NULL)
return;
while( 1 )
{
pid = waitpid( -1, &status, WNOHANG|WUNTRACED );
if ( pid <= 0 )
{
break;
}
if ( WIFSIGNALED( status ))
{
int sig_num = WTERMSIG( status );
#ifdef WCOREDUMP
const char * dump = WCOREDUMP( status ) ? "yes" : "no";
#else
const char * dump = "unknown";
#endif
lsapi_log("Child process with pid: %d was killed by signal: "
"%d, core dumped: %s\n", pid, sig_num, dump );
}
if ( pid == s_pid_dump_debug_info )
{
pid = 0;
continue;
}
if ( pid == s_ignore_pid )
{
pid = 0;
s_ignore_pid = -1;
continue;
}
child_status = find_child_status( pid );
if ( child_status )
{
if (__atomic_compare_exchange_n(&child_status->m_state,
&expect_connected,
LSAPI_STATE_IDLE, 1,
__ATOMIC_SEQ_CST,
__ATOMIC_SEQ_CST))
{
if (s_busy_workers)
__atomic_fetch_sub(s_busy_workers, 1, __ATOMIC_SEQ_CST);
}
else if (__atomic_compare_exchange_n(&child_status->m_state,
&expect_accepting,
LSAPI_STATE_IDLE, 1,
__ATOMIC_SEQ_CST,
__ATOMIC_SEQ_CST))
{
if (s_accepting_workers)
__atomic_fetch_sub(s_accepting_workers, 1, __ATOMIC_SEQ_CST);
}
child_status->m_pid = 0;
--g_prefork_server->m_iCurChildren;
}
}
while(( g_prefork_server->m_pChildrenStatusCur > g_prefork_server->m_pChildrenStatus )
&&( g_prefork_server->m_pChildrenStatusCur[-1].m_pid == 0 ))
--g_prefork_server->m_pChildrenStatusCur;
}
static int lsapi_init_children_status(void)
{
char * pBuf;
int size = 4096;
int max_children;
if (g_prefork_server->m_pChildrenStatus)
return 0;
max_children = g_prefork_server->m_iMaxChildren
+ g_prefork_server->m_iExtraChildren;
size = max_children * sizeof( lsapi_child_status ) * 2 + 3 * sizeof(int);
size = (size + 4095) / 4096 * 4096;
pBuf =( char*) mmap( NULL, size, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_SHARED, -1, 0 );
if ( pBuf == MAP_FAILED )
{
perror( "Anonymous mmap() failed" );
return -1;
}
memset( pBuf, 0, size );
g_prefork_server->m_pChildrenStatus = (lsapi_child_status *)pBuf;
g_prefork_server->m_pChildrenStatusCur = (lsapi_child_status *)pBuf;
g_prefork_server->m_pChildrenStatusEnd = (lsapi_child_status *)pBuf + max_children;
s_busy_workers = (int *)g_prefork_server->m_pChildrenStatusEnd;
s_accepting_workers = s_busy_workers + 1;
s_global_counter = s_accepting_workers + 1;
s_avail_pages = (size_t *)(s_global_counter + 1);
setsid();
return 0;
}
static void dump_debug_info( lsapi_child_status * pStatus, long tmCur )
{
char achCmd[1024];
if ( s_pid_dump_debug_info )
{
if ( kill( s_pid_dump_debug_info, 0 ) == 0 )
return;
}
lsapi_log("Possible runaway process, UID: %d, PPID: %d, PID: %d, "
"reqCount: %d, process time: %ld, checkpoint time: %ld, start "
"time: %ld\n", getuid(), getppid(), pStatus->m_pid,
pStatus->m_iReqCounter, tmCur - pStatus->m_tmReqBegin,
tmCur - pStatus->m_tmLastCheckPoint, tmCur - pStatus->m_tmStart );
s_pid_dump_debug_info = fork();
if (s_pid_dump_debug_info == 0)
{
snprintf( achCmd, 1024, "gdb --batch -ex \"attach %d\" -ex \"set height 0\" "
"-ex \"bt\" >&2;PATH=$PATH:/usr/sbin lsof -p %d >&2",
pStatus->m_pid, pStatus->m_pid );
if ( system( achCmd ) == -1 )
perror( "system()" );
exit( 0 );
}
}
static void lsapi_check_child_status( long tmCur )
{
int idle = 0;
int tobekilled;
int dying = 0;
int count = 0;
lsapi_child_status * pStatus = g_prefork_server->m_pChildrenStatus;
lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatusCur;
while( pStatus < pEnd )
{
tobekilled = 0;
if ( pStatus->m_pid != 0 && pStatus->m_pid != -1)
{
++count;
if ( !pStatus->m_inProcess )
{
if (g_prefork_server->m_iCurChildren - dying
> g_prefork_server->m_iMaxChildren
|| idle > g_prefork_server->m_iMaxIdleChildren)
{
++pStatus->m_iKillSent;
//tobekilled = SIGUSR1;
}
else
{
if (s_max_idle_secs> 0
&& tmCur - pStatus->m_tmWaitBegin > s_max_idle_secs + 5)
{
++pStatus->m_iKillSent;
//tobekilled = SIGUSR1;
}
}
if (!pStatus->m_iKillSent)
++idle;
}
else
{
if (tmCur - pStatus->m_tmReqBegin >
g_prefork_server->m_iMaxReqProcessTime)
{
if ((pStatus->m_iKillSent % 5) == 0 && s_dump_debug_info)
dump_debug_info( pStatus, tmCur );
if ( pStatus->m_iKillSent > 5 )
{
tobekilled = SIGKILL;
lsapi_log("Force killing runaway process PID: %d"
" with SIGKILL\n", pStatus->m_pid );
}
else
{
tobekilled = SIGTERM;
lsapi_log("Killing runaway process PID: %d with "
"SIGTERM\n", pStatus->m_pid );
}
}
}
if ( tobekilled )
{
if (( kill( pStatus->m_pid, tobekilled ) == -1 ) &&
( errno == ESRCH ))
{
pStatus->m_pid = 0;
--count;
}
else
{
++pStatus->m_iKillSent;
++dying;
}
}
}
++pStatus;
}
if ( abs( g_prefork_server->m_iCurChildren - count ) > 1 )
{
lsapi_log("Children tracking is wrong: Cur Children: %d,"
" count: %d, idle: %d, dying: %d\n",
g_prefork_server->m_iCurChildren, count, idle, dying );
}
}
//static int lsapi_all_children_must_die(void)
//{
// int maxWait;
// int sec =0;
// g_prefork_server->m_iMaxReqProcessTime = 10;
// g_prefork_server->m_iMaxIdleChildren = -1;
// maxWait = 15;
//
// while( g_prefork_server->m_iCurChildren && (sec < maxWait) )
// {
// lsapi_check_child_status(time(NULL));
// sleep( 1 );
// sec++;
// }
// if ( g_prefork_server->m_iCurChildren != 0 )
// kill( -getpgrp(), SIGKILL );
// return 0;
//}
void set_skip_write(void)
{ s_skip_write = 1; }
int is_enough_free_mem(void)
{
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
//minimum 1GB or 10% available free memory
return (*s_avail_pages > s_min_avail_pages
|| (*s_avail_pages * 10) / s_total_pages > 0);
#endif
return 1;
}
static int lsapi_prefork_server_accept( lsapi_prefork_server * pServer,
LSAPI_Request * pReq )
{
struct sigaction act, old_term, old_quit, old_int,
old_usr1, old_child;
lsapi_child_status * child_status;
int wait_secs = 0;
int ret = 0;
int pid;
time_t lastTime = 0;
time_t curTime = 0;
fd_set readfds;
struct timeval timeout;
sigset_t mask;
sigset_t orig_mask;
lsapi_init_children_status();
act.sa_flags = 0;
act.sa_handler = lsapi_sigchild;
sigemptyset(&(act.sa_mask));
if( sigaction( SIGCHLD, &act, &old_child ) )
{
perror( "Can't set signal handler for SIGCHILD" );
return -1;
}
/* Set up handler to kill children upon exit */
act.sa_flags = 0;
act.sa_handler = lsapi_cleanup;
sigemptyset(&(act.sa_mask));
if( sigaction( SIGTERM, &act, &old_term ) ||
sigaction( SIGINT, &act, &old_int ) ||
sigaction( SIGUSR1, &act, &old_usr1 ) ||
sigaction( SIGQUIT, &act, &old_quit ))
{
perror( "Can't set signals" );
return -1;
}
while( !s_stop )
{
if (s_proc_group_timer_cb != NULL) {
s_proc_group_timer_cb(&s_ignore_pid);
}
curTime = time( NULL );
if (curTime != lastTime )
{
lastTime = curTime;
if (lsapi_parent_dead())
break;
lsapi_check_child_status(curTime );
if (pServer->m_iServerMaxIdle)
{
if ( pServer->m_iCurChildren <= 0 )
{
++wait_secs;
if ( wait_secs > pServer->m_iServerMaxIdle )
return -1;
}
else
wait_secs = 0;
}
}
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
*s_avail_pages = sysconf(_SC_AVPHYS_PAGES);
// lsapi_log("Memory total: %zd, free: %zd, free %%%zd\n",
// s_total_pages, *s_avail_pages, *s_avail_pages * 100 / s_total_pages);
#endif
FD_ZERO( &readfds );
FD_SET( pServer->m_fd, &readfds );
timeout.tv_sec = 1;
timeout.tv_usec = 0;
ret = (*g_fnSelect)(pServer->m_fd+1, &readfds, NULL, NULL, &timeout);
if (ret == 1 )
{
int accepting = 0;
if (s_accepting_workers)
accepting = __atomic_load_n(s_accepting_workers, __ATOMIC_SEQ_CST);
if (pServer->m_iCurChildren > 0
&& accepting > 0)
{
usleep(400);
while(accepting-- > 0)
sched_yield();
continue;
}
}
else if ( ret == -1 )
{
if ( errno == EINTR )
continue;
/* perror( "select()" ); */
break;
}
else
{
continue;
}
if (pServer->m_iCurChildren >=
pServer->m_iMaxChildren + pServer->m_iExtraChildren)
{
lsapi_log("Reached max children process limit: %d, extra: %d,"
" current: %d, busy: %d, please increase LSAPI_CHILDREN.\n",
pServer->m_iMaxChildren, pServer->m_iExtraChildren,
pServer->m_iCurChildren,
s_busy_workers ? *s_busy_workers : -1 );
usleep( 100000 );
continue;
}
pReq->m_fd = lsapi_accept( pServer->m_fd );
if ( pReq->m_fd != -1 )
{
wait_secs = 0;
child_status = find_child_status( 0 );
sigemptyset( &mask );
sigaddset( &mask, SIGCHLD );
if ( sigprocmask(SIG_BLOCK, &mask, &orig_mask) < 0 )
{
perror( "sigprocmask(SIG_BLOCK) to block SIGCHLD" );
}
pid = fork();
if ( !pid )
{
setsid();
if (sigprocmask(SIG_SETMASK, &orig_mask, NULL) < 0)
perror( "sigprocmask( SIG_SETMASK ) to restore SIGMASK in child" );
g_prefork_server = NULL;
s_ppid = getppid();
s_pid = getpid();
s_req_processed = 0;
s_proc_group_timer_cb = NULL;
s_worker_status = child_status;
if (pthread_atfork_func)
(*pthread_atfork_func)(NULL, NULL, set_skip_write);
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_CONNECTED, __ATOMIC_SEQ_CST);
if (s_busy_workers)
__atomic_add_fetch(s_busy_workers, 1, __ATOMIC_SEQ_CST);
lsapi_set_nblock( pReq->m_fd, 0 );
//keep it open if busy_count is used.
if (!s_keep_listener && s_busy_workers
&& *s_busy_workers > (pServer->m_iMaxChildren >> 1))
s_keep_listener = 1;
if ((s_uid == 0 || !s_keep_listener || !is_enough_free_mem())
&& pReq->m_fdListen != -1 )
{
close( pReq->m_fdListen );
pReq->m_fdListen = -1;
}
/* don't catch our signals */
sigaction( SIGCHLD, &old_child, 0 );
sigaction( SIGTERM, &old_term, 0 );
sigaction( SIGQUIT, &old_quit, 0 );
sigaction( SIGINT, &old_int, 0 );
sigaction( SIGUSR1, &old_usr1, 0 );
//init_conn_key( pReq->m_fd );
lsapi_notify_pid( pReq->m_fd );
s_notified_pid = 1;
//if ( s_accept_notify )
// return notify_req_received( pReq->m_fd );
return 0;
}
else if ( pid == -1 )
{
lsapi_perror("fork() failed, please increase process limit", errno);
if (child_status)
child_status->m_pid = 0;
}
else
{
++pServer->m_iCurChildren;
if ( child_status )
{
child_status->m_pid = pid;
child_status->m_tmWaitBegin = curTime;
child_status->m_tmStart = curTime;
}
}
close( pReq->m_fd );
pReq->m_fd = -1;
if (sigprocmask(SIG_SETMASK, &orig_mask, NULL) < 0)
perror( "sigprocmask( SIG_SETMASK ) to restore SIGMASK" );
}
else
{
if (( errno == EINTR )||( errno == EAGAIN))
continue;
lsapi_perror("accept() failed", errno);
return -1;
}
}
sigaction( SIGUSR1, &old_usr1, 0 );
//kill( -getpgrp(), SIGUSR1 );
//lsapi_all_children_must_die(); /* Sorry, children ;-) */
return -1;
}
static struct sigaction old_term, old_quit, old_int,
old_usr1, old_child;
int LSAPI_Postfork_Child(LSAPI_Request * pReq)
{
int max_children = g_prefork_server->m_iMaxChildren;
s_pid = getpid();
__atomic_store_n(&pReq->child_status->m_pid, s_pid, __ATOMIC_SEQ_CST);
s_worker_status = pReq->child_status;
setsid();
g_prefork_server = NULL;
s_ppid = getppid();
s_req_processed = 0;
s_proc_group_timer_cb = NULL;
if (pthread_atfork_func)
(*pthread_atfork_func)(NULL, NULL, set_skip_write);
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_CONNECTED, __ATOMIC_SEQ_CST);
if (s_busy_workers)
__atomic_add_fetch(s_busy_workers, 1, __ATOMIC_SEQ_CST);
lsapi_set_nblock( pReq->m_fd, 0 );
//keep it open if busy_count is used.
if (!s_keep_listener && s_busy_workers
&& *s_busy_workers > (max_children >> 1))
s_keep_listener = 1;
if ((s_uid == 0 || !s_keep_listener || !is_enough_free_mem())
&& pReq->m_fdListen != -1 )
{
close(pReq->m_fdListen);
pReq->m_fdListen = -1;
}
//init_conn_key( pReq->m_fd );
lsapi_notify_pid(pReq->m_fd);
s_notified_pid = 1;
//if ( s_accept_notify )
// return notify_req_received( pReq->m_fd );
return 0;
}
int LSAPI_Postfork_Parent(LSAPI_Request * pReq)
{
++g_prefork_server->m_iCurChildren;
if (pReq->child_status)
{
time_t curTime = time( NULL );
pReq->child_status->m_tmWaitBegin = curTime;
pReq->child_status->m_tmStart = curTime;
}
close(pReq->m_fd);
pReq->m_fd = -1;
return 0;
}
int LSAPI_Accept_Before_Fork(LSAPI_Request * pReq)
{
time_t lastTime = 0;
time_t curTime = 0;
fd_set readfds;
struct timeval timeout;
int wait_secs = 0;
int ret = 0;
lsapi_prefork_server * pServer = g_prefork_server;
struct sigaction act;
lsapi_init_children_status();
act.sa_flags = 0;
act.sa_handler = lsapi_sigchild;
sigemptyset(&(act.sa_mask));
if (sigaction(SIGCHLD, &act, &old_child))
{
perror( "Can't set signal handler for SIGCHILD" );
return -1;
}
/* Set up handler to kill children upon exit */
act.sa_flags = 0;
act.sa_handler = lsapi_cleanup;
sigemptyset(&(act.sa_mask));
if (sigaction(SIGTERM, &act, &old_term) ||
sigaction(SIGINT, &act, &old_int ) ||
sigaction(SIGUSR1, &act, &old_usr1) ||
sigaction(SIGQUIT, &act, &old_quit))
{
perror( "Can't set signals" );
return -1;
}
s_stop = 0;
pReq->m_reqState = 0;
while(!s_stop)
{
if (s_proc_group_timer_cb != NULL) {
s_proc_group_timer_cb(&s_ignore_pid);
}
curTime = time(NULL);
if (curTime != lastTime)
{
lastTime = curTime;
if (lsapi_parent_dead())
break;
lsapi_check_child_status(curTime);
if (pServer->m_iServerMaxIdle)
{
if (pServer->m_iCurChildren <= 0)
{
++wait_secs;
if ( wait_secs > pServer->m_iServerMaxIdle )
return -1;
}
else
wait_secs = 0;
}
}
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
*s_avail_pages = sysconf(_SC_AVPHYS_PAGES);
// lsapi_log("Memory total: %zd, free: %zd, free %%%zd\n",
// s_total_pages, *s_avail_pages, *s_avail_pages * 100 / s_total_pages);
#endif
FD_ZERO(&readfds);
FD_SET(pServer->m_fd, &readfds);
timeout.tv_sec = 1;
timeout.tv_usec = 0;
ret = (*g_fnSelect)(pServer->m_fd+1, &readfds, NULL, NULL, &timeout);
if (ret == 1 )
{
int accepting = 0;
if (s_accepting_workers)
accepting = __atomic_load_n(s_accepting_workers, __ATOMIC_SEQ_CST);
if (pServer->m_iCurChildren > 0
&& accepting > 0)
{
usleep( 400);
while(accepting-- > 0)
sched_yield();
continue;
}
}
else if (ret == -1)
{
if (errno == EINTR)
continue;
/* perror( "select()" ); */
break;
}
else
{
continue;
}
if (pServer->m_iCurChildren >=
pServer->m_iMaxChildren + pServer->m_iExtraChildren)
{
lsapi_log("Reached max children process limit: %d, extra: %d,"
" current: %d, busy: %d, please increase LSAPI_CHILDREN.\n",
pServer->m_iMaxChildren, pServer->m_iExtraChildren,
pServer->m_iCurChildren,
s_busy_workers ? *s_busy_workers : -1);
usleep(100000);
continue;
}
pReq->m_fd = lsapi_accept(pServer->m_fd);
if (pReq->m_fd != -1)
{
wait_secs = 0;
pReq->child_status = find_child_status(0);
ret = 0;
break;
}
else
{
if ((errno == EINTR) || (errno == EAGAIN))
continue;
lsapi_perror("accept() failed", errno);
ret = -1;
break;
}
}
sigaction(SIGCHLD, &old_child, 0);
sigaction(SIGTERM, &old_term, 0);
sigaction(SIGQUIT, &old_quit, 0);
sigaction(SIGINT, &old_int, 0);
sigaction(SIGUSR1, &old_usr1, 0);
return ret;
}
int LSAPI_Prefork_Accept_r( LSAPI_Request * pReq )
{
int fd;
int ret;
int wait_secs;
fd_set readfds;
struct timeval timeout;
if (s_skip_write)
return -1;
LSAPI_Finish_r( pReq );
if ( g_prefork_server )
{
if ( g_prefork_server->m_fd != -1 )
if ( lsapi_prefork_server_accept( g_prefork_server, pReq ) == -1 )
return -1;
}
else if (s_req_processed > 0 && s_max_busy_workers > 0 && s_busy_workers)
{
ret = __atomic_load_n(s_busy_workers, __ATOMIC_SEQ_CST);
if (ret >= s_max_busy_workers)
{
send_conn_close_notification(pReq->m_fd);
lsapi_close_connection(pReq);
}
}
if ( (unsigned int)s_req_processed > s_max_reqs )
return -1;
if ( s_worker_status )
{
s_worker_status->m_tmWaitBegin = time( NULL );
}
while( g_running )
{
if ( pReq->m_fd != -1 )
{
fd = pReq->m_fd;
}
else if ( pReq->m_fdListen != -1 )
fd = pReq->m_fdListen;
else
{
break;
}
wait_secs = 0;
while( 1 )
{
if ( !g_running )
return -1;
if (s_req_processed && s_worker_status
&& s_worker_status->m_iKillSent)
return -1;
FD_ZERO( &readfds );
FD_SET( fd, &readfds );
timeout.tv_sec = 1;
timeout.tv_usec = 0;
if (fd == pReq->m_fdListen)
{
if (s_worker_status)
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_ACCEPTING, __ATOMIC_SEQ_CST);
if (s_accepting_workers)
__atomic_fetch_add(s_accepting_workers, 1, __ATOMIC_SEQ_CST);
}
ret = (*g_fnSelect)(fd+1, &readfds, NULL, NULL, &timeout);
if (fd == pReq->m_fdListen)
{
if (s_accepting_workers)
__atomic_fetch_sub(s_accepting_workers, 1, __ATOMIC_SEQ_CST);
if (s_worker_status)
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_IDLE, __ATOMIC_SEQ_CST);
}
if ( ret == 0 )
{
if ( s_worker_status )
{
s_worker_status->m_inProcess = 0;
if (fd == pReq->m_fdListen)
{
if (s_keep_listener == 0 || !is_enough_free_mem())
return -1;
if (s_keep_listener == 1)
{
int wait_time = 10;
if (s_busy_workers)
wait_time += *s_busy_workers * 10;
if (s_accepting_workers)
wait_time >>= (*s_accepting_workers);
if (wait_secs >= wait_time)
return -1;
}
}
}
++wait_secs;
if (( s_max_idle_secs > 0 )&&(wait_secs >= s_max_idle_secs ))
return -1;
if ( lsapi_parent_dead() )
return -1;
}
else if ( ret == -1 )
{
if ( errno == EINTR )
continue;
else
return -1;
}
else if ( ret >= 1 )
{
if (s_req_processed && s_worker_status
&& s_worker_status->m_iKillSent)
return -1;
if ( fd == pReq->m_fdListen )
{
pReq->m_fd = lsapi_accept( pReq->m_fdListen );
if ( pReq->m_fd != -1 )
{
if (s_worker_status)
__atomic_store_n(&s_worker_status->m_state,
LSAPI_STATE_CONNECTED,
__ATOMIC_SEQ_CST);
if (s_busy_workers)
__atomic_fetch_add(s_busy_workers, 1, __ATOMIC_SEQ_CST);
fd = pReq->m_fd;
lsapi_set_nblock( fd, 0 );
//init_conn_key( pReq->m_fd );
if (!s_keep_listener)
{
close( pReq->m_fdListen );
pReq->m_fdListen = -1;
}
if ( s_accept_notify )
if ( notify_req_received( pReq->m_fd ) == -1 )
return -1;
}
else
{
if (( errno == EINTR )||( errno == EAGAIN))
continue;
lsapi_perror( "lsapi_accept() error", errno );
return -1;
}
}
else
break;
}
}
if ( !readReq( pReq ) )
{
if ( s_worker_status )
{
s_worker_status->m_iKillSent = 0;
s_worker_status->m_inProcess = 1;
++s_worker_status->m_iReqCounter;
s_worker_status->m_tmReqBegin =
s_worker_status->m_tmLastCheckPoint = time(NULL);
}
++s_req_processed;
return 0;
}
lsapi_close_connection(pReq);
LSAPI_Reset_r( pReq );
}
return -1;
}
void LSAPI_Set_Max_Reqs( int reqs )
{ s_max_reqs = reqs - 1; }
void LSAPI_Set_Max_Idle( int secs )
{ s_max_idle_secs = secs; }
void LSAPI_Set_Max_Children( int maxChildren )
{
if ( g_prefork_server )
g_prefork_server->m_iMaxChildren = maxChildren;
}
void LSAPI_Set_Extra_Children( int extraChildren )
{
if (( g_prefork_server )&&( extraChildren >= 0 ))
g_prefork_server->m_iExtraChildren = extraChildren;
}
void LSAPI_Set_Max_Process_Time( int secs )
{
if (( g_prefork_server )&&( secs > 0 ))
g_prefork_server->m_iMaxReqProcessTime = secs;
}
void LSAPI_Set_Max_Idle_Children( int maxIdleChld )
{
if (( g_prefork_server )&&( maxIdleChld > 0 ))
g_prefork_server->m_iMaxIdleChildren = maxIdleChld;
}
void LSAPI_Set_Server_Max_Idle_Secs( int serverMaxIdle )
{
if ( g_prefork_server )
g_prefork_server->m_iServerMaxIdle = serverMaxIdle;
}
void LSAPI_Set_Slow_Req_Msecs( int msecs )
{
s_slow_req_msecs = msecs;
}
int LSAPI_Get_Slow_Req_Msecs(void)
{
return s_slow_req_msecs;
}
void LSAPI_No_Check_ppid(void)
{
s_ppid = 0;
}
int LSAPI_Get_ppid(void)
{
return(s_ppid);
}
#if defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
#include
#else
extern char ** environ;
#endif
static void unset_lsapi_envs(void)
{
char **env;
#if defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
env = *_NSGetEnviron();
#else
env = environ;
#endif
while( env != NULL && *env != NULL )
{
if (!strncmp(*env, "LSAPI_", 6) || !strncmp( *env, "PHP_LSAPI_", 10 )
|| (!strncmp( *env, "PHPRC=", 6 )&&(!s_uid)))
{
char ** del = env;
do
*del = del[1];
while( *del++ );
}
else
++env;
}
}
static int lsapi_initSuEXEC(void)
{
int i;
struct passwd * pw;
s_defaultUid = 0;
s_defaultGid = 0;
if ( s_uid == 0 )
{
const char * p = getenv( "LSAPI_DEFAULT_UID" );
if ( p )
{
i = atoi( p );
if ( i > 0 )
s_defaultUid = i;
}
p = getenv( "LSAPI_DEFAULT_GID" );
if ( p )
{
i = atoi( p );
if ( i > 0 )
s_defaultGid = i;
}
p = getenv( "LSAPI_SECRET" );
if (( !p )||( readSecret(p) == -1 ))
return -1;
if ( g_prefork_server )
{
if ( g_prefork_server->m_iMaxChildren < 100 )
g_prefork_server->m_iMaxChildren = 100;
if ( g_prefork_server->m_iExtraChildren < 1000 )
g_prefork_server->m_iExtraChildren = 1000;
}
}
if ( !s_defaultUid || !s_defaultGid )
{
pw = getpwnam( "nobody" );
if ( pw )
{
if ( !s_defaultUid )
s_defaultUid = pw->pw_uid;
if ( !s_defaultGid )
s_defaultGid = pw->pw_gid;
}
else
{
if ( !s_defaultUid )
s_defaultUid = 10000;
if ( !s_defaultGid )
s_defaultGid = 10000;
}
}
return 0;
}
static int lsapi_check_path(const char *p, char *final, int max_len)
{
char resolved_path[PATH_MAX+1];
int len = 0;
char *end;
if (*p != '/')
{
if (getcwd(final, max_len) == NULL)
return -1;
len = strlen(final);
*(final + len) = '/';
++len;
}
end = memccpy(&final[len], p, '\0', PATH_MAX - len);
if (!end)
{
errno = EINVAL;
return -1;
}
p = final;
if (realpath(p, resolved_path) == NULL
&& errno != ENOENT && errno != EACCES)
return -1;
if (strncmp(resolved_path, "/etc/", 5) == 0)
{
errno = EPERM;
return -1;
}
return 0;
}
static int lsapi_reopen_stderr2(const char *full_path)
{
int newfd = open(full_path, O_WRONLY | O_CREAT | O_APPEND, 0644);
if (newfd == -1)
{
LSAPI_perror_r(NULL, "Failed to open custom stderr log", full_path);
return -1;
}
if (newfd != 2)
{
dup2(newfd, 2);
close(newfd);
dup2(2, 1);
}
if (s_stderr_log_path && full_path != s_stderr_log_path)
{
free(s_stderr_log_path);
s_stderr_log_path = NULL;
}
s_stderr_log_path = strdup(full_path);
return 0;
}
static int lsapi_reopen_stderr(const char *p)
{
char full_path[PATH_MAX];
if (s_uid == 0)
return -1;
if (lsapi_check_path(p, full_path, PATH_MAX) == -1)
{
LSAPI_perror_r(NULL, "Invalid custom stderr log path", p);
return -1;
}
return lsapi_reopen_stderr2(full_path);
}
int LSAPI_Init_Env_Parameters( fn_select_t fp )
{
const char *p;
char ch;
int n;
int avoidFork = 0;
p = getenv("LSAPI_STDERR_LOG");
if (p)
{
lsapi_reopen_stderr(p);
}
if (!s_stderr_log_path)
s_stderr_is_pipe = isPipe(STDERR_FILENO);
p = getenv( "PHP_LSAPI_MAX_REQUESTS" );
if ( !p )
p = getenv( "LSAPI_MAX_REQS" );
if ( p )
{
n = atoi( p );
if ( n > 0 )
LSAPI_Set_Max_Reqs( n );
}
p = getenv( "LSAPI_KEEP_LISTEN" );
if ( p )
{
n = atoi( p );
s_keep_listener = n;
}
p = getenv( "LSAPI_AVOID_FORK" );
if ( p )
{
avoidFork = atoi( p );
if (avoidFork)
{
s_keep_listener = 2;
ch = *(p + strlen(p) - 1);
if ( ch == 'G' || ch == 'g' )
avoidFork *= 1024 * 1024 * 1024;
else if ( ch == 'M' || ch == 'm' )
avoidFork *= 1024 * 1024;
if (avoidFork >= 1024 * 10240)
s_min_avail_pages = avoidFork / 4096;
}
}
p = getenv( "LSAPI_ACCEPT_NOTIFY" );
if ( p )
{
s_accept_notify = atoi( p );
}
p = getenv( "LSAPI_SLOW_REQ_MSECS" );
if ( p )
{
n = atoi( p );
LSAPI_Set_Slow_Req_Msecs( n );
}
#if defined( RLIMIT_CORE )
p = getenv( "LSAPI_ALLOW_CORE_DUMP" );
if ( !p )
{
struct rlimit limit = { 0, 0 };
setrlimit( RLIMIT_CORE, &limit );
}
else
s_enable_core_dump = 1;
#endif
p = getenv( "LSAPI_MAX_IDLE" );
if ( p )
{
n = atoi( p );
LSAPI_Set_Max_Idle( n );
}
if ( LSAPI_Is_Listen() )
{
n = 0;
p = getenv( "PHP_LSAPI_CHILDREN" );
if ( !p )
p = getenv( "LSAPI_CHILDREN" );
if ( p )
n = atoi( p );
if ( n > 1 )
{
LSAPI_Init_Prefork_Server( n, fp, avoidFork != 0 );
LSAPI_Set_Server_fd( g_req.m_fdListen );
}
p = getenv( "LSAPI_EXTRA_CHILDREN" );
if ( p )
LSAPI_Set_Extra_Children( atoi( p ) );
p = getenv( "LSAPI_MAX_IDLE_CHILDREN" );
if ( p )
LSAPI_Set_Max_Idle_Children( atoi( p ) );
p = getenv( "LSAPI_PGRP_MAX_IDLE" );
if ( p )
{
LSAPI_Set_Server_Max_Idle_Secs( atoi( p ) );
}
p = getenv( "LSAPI_MAX_PROCESS_TIME" );
if ( p )
LSAPI_Set_Max_Process_Time( atoi( p ) );
if ( getenv( "LSAPI_PPID_NO_CHECK" ) )
{
LSAPI_No_Check_ppid();
}
p = getenv("LSAPI_MAX_BUSY_WORKER");
if (p)
{
n = atoi(p);
s_max_busy_workers = n;
if (n >= 0)
LSAPI_No_Check_ppid();
}
p = getenv( "LSAPI_DUMP_DEBUG_INFO" );
if ( p )
s_dump_debug_info = atoi( p );
if ( lsapi_initSuEXEC() == -1 )
return -1;
#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__gnu_linux__)
lsapi_initLVE();
#endif
}
unset_lsapi_envs();
return 0;
}
int LSAPI_ErrResponse_r( LSAPI_Request * pReq, int code, const char ** pRespHeaders,
const char * pBody, int bodyLen )
{
LSAPI_SetRespStatus_r( pReq, code );
if ( pRespHeaders )
{
while( *pRespHeaders )
{
LSAPI_AppendRespHeader_r( pReq, *pRespHeaders, strlen( *pRespHeaders ) );
++pRespHeaders;
}
}
if ( pBody &&( bodyLen > 0 ))
{
LSAPI_Write_r( pReq, pBody, bodyLen );
}
LSAPI_Finish_r( pReq );
return 0;
}
static void lsapi_MD5Transform(uint32 buf[4], uint32 const in[16]);
/*
* Note: this code is harmless on little-endian machines.
*/
static void byteReverse(unsigned char *buf, unsigned longs)
{
uint32 t;
do {
t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
((unsigned) buf[1] << 8 | buf[0]);
*(uint32 *) buf = t;
buf += 4;
} while (--longs);
}
/*
* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
* initialization constants.
*/
void lsapi_MD5Init(struct lsapi_MD5Context *ctx)
{
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
ctx->buf[2] = 0x98badcfe;
ctx->buf[3] = 0x10325476;
ctx->bits[0] = 0;
ctx->bits[1] = 0;
}
/*
* Update context to reflect the concatenation of another buffer full
* of bytes.
*/
void lsapi_MD5Update(struct lsapi_MD5Context *ctx, unsigned char const *buf, unsigned len)
{
register uint32 t;
/* Update bitcount */
t = ctx->bits[0];
if ((ctx->bits[0] = t + ((uint32) len << 3)) < t)
ctx->bits[1]++; /* Carry from low to high */
ctx->bits[1] += len >> 29;
t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
/* Handle any leading odd-sized chunks */
if (t) {
unsigned char *p = (unsigned char *) ctx->in + t;
t = 64 - t;
if (len < t) {
memmove(p, buf, len);
return;
}
memmove(p, buf, t);
byteReverse(ctx->in, 16);
lsapi_MD5Transform(ctx->buf, (uint32 *) ctx->in);
buf += t;
len -= t;
}
/* Process data in 64-byte chunks */
while (len >= 64) {
memmove(ctx->in, buf, 64);
byteReverse(ctx->in, 16);
lsapi_MD5Transform(ctx->buf, (uint32 *) ctx->in);
buf += 64;
len -= 64;
}
/* Handle any remaining bytes of data. */
memmove(ctx->in, buf, len);
}
/*
* Final wrap-up - pad to 64-byte boundary with the bit pattern
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void lsapi_MD5Final(unsigned char digest[16], struct lsapi_MD5Context *ctx)
{
unsigned int count;
unsigned char *p;
/* Compute number of bytes mod 64 */
count = (ctx->bits[0] >> 3) & 0x3F;
/* Set the first char of padding to 0x80. This is safe since there is
always at least one byte free */
p = ctx->in + count;
*p++ = 0x80;
/* Bytes of padding needed to make 64 bytes */
count = 64 - 1 - count;
/* Pad out to 56 mod 64 */
if (count < 8) {
/* Two lots of padding: Pad the first block to 64 bytes */
memset(p, 0, count);
byteReverse(ctx->in, 16);
lsapi_MD5Transform(ctx->buf, (uint32 *) ctx->in);
/* Now fill the next block with 56 bytes */
memset(ctx->in, 0, 56);
} else {
/* Pad block to 56 bytes */
memset(p, 0, count - 8);
}
byteReverse(ctx->in, 14);
/* Append length in bits and transform */
((uint32 *) ctx->in)[14] = ctx->bits[0];
((uint32 *) ctx->in)[15] = ctx->bits[1];
lsapi_MD5Transform(ctx->buf, (uint32 *) ctx->in);
byteReverse((unsigned char *) ctx->buf, 4);
memmove(digest, ctx->buf, 16);
memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */
}
/* The four core functions - F1 is optimized somewhat */
/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))
/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
( w += f(x, y, z) + data, w = w<>(32-s), w += x )
/*
* The core of the MD5 algorithm, this alters an existing MD5 hash to
* reflect the addition of 16 longwords of new data. MD5Update blocks
* the data and converts bytes into longwords for this routine.
*/
static void lsapi_MD5Transform(uint32 buf[4], uint32 const in[16])
{
register uint32 a, b, c, d;
a = buf[0];
b = buf[1];
c = buf[2];
d = buf[3];
MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
buf[0] += a;
buf[1] += b;
buf[2] += c;
buf[3] += d;
}
int LSAPI_Set_Restored_Parent_Pid(int pid)
{
int old_ppid = s_ppid;
s_restored_ppid = pid;
return old_ppid;
}
int LSAPI_Inc_Req_Processed(int cnt)
{
return __atomic_add_fetch(s_global_counter, cnt, __ATOMIC_SEQ_CST);
}
PK ! Y/ / 3 share/gems/gems/ruby-lsapi-5.7/ext/lsapi/lsapilib.hnu [ /*
Copyright (c) 2002-2018, Lite Speed Technologies Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of the Lite Speed Technologies Inc nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LSAPILIB_H_
#define _LSAPILIB_H_
#if defined (c_plusplus) || defined (__cplusplus)
extern "C" {
#endif
#include "lsapidef.h"
#include
#include
#include
struct LSAPI_key_value_pair
{
char * pKey;
char * pValue;
int keyLen;
int valLen;
};
struct lsapi_child_status;
#define LSAPI_MAX_RESP_HEADERS 1000
typedef struct lsapi_request
{
int m_fdListen;
int m_fd;
long m_lLastActive;
long m_lReqBegin;
char * m_pReqBuf;
int m_reqBufSize;
char * m_pRespBuf;
char * m_pRespBufEnd;
char * m_pRespBufPos;
char * m_pRespHeaderBuf;
char * m_pRespHeaderBufEnd;
char * m_pRespHeaderBufPos;
struct lsapi_child_status * child_status;
struct iovec * m_pIovec;
struct iovec * m_pIovecEnd;
struct iovec * m_pIovecCur;
struct iovec * m_pIovecToWrite;
struct lsapi_packet_header * m_respPktHeaderEnd;
struct lsapi_req_header * m_pHeader;
struct LSAPI_key_value_pair * m_pEnvList;
struct LSAPI_key_value_pair * m_pSpecialEnvList;
int m_envListSize;
int m_specialEnvListSize;
struct lsapi_http_header_index * m_pHeaderIndex;
struct lsapi_header_offset * m_pUnknownHeader;
char * m_pScriptFile;
char * m_pScriptName;
char * m_pQueryString;
char * m_pHttpHeader;
char * m_pRequestMethod;
int m_totalLen;
int m_reqState;
off_t m_reqBodyLen;
off_t m_reqBodyRead;
int m_bufProcessed;
int m_bufRead;
struct lsapi_packet_header m_respPktHeader[5];
struct lsapi_resp_header m_respHeader;
short m_respHeaderLen[LSAPI_MAX_RESP_HEADERS];
void * m_pAppData;
}LSAPI_Request;
extern LSAPI_Request g_req;
/* return: >0 continue, ==0 stop, -1 failed */
typedef int (*LSAPI_CB_EnvHandler )( const char * pKey, int keyLen,
const char * pValue, int valLen, void * arg );
int LSAPI_Init(void);
void LSAPI_Stop(void);
int LSAPI_Is_Listen_r( LSAPI_Request * pReq);
int LSAPI_InitRequest( LSAPI_Request * pReq, int fd );
int LSAPI_Accept_r( LSAPI_Request * pReq );
void LSAPI_Reset_r( LSAPI_Request * pReq );
int LSAPI_Finish_r( LSAPI_Request * pReq );
int LSAPI_Release_r( LSAPI_Request * pReq );
char * LSAPI_GetHeader_r( LSAPI_Request * pReq, int headerIndex );
int LSAPI_ForeachHeader_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg );
int LSAPI_ForeachOrgHeader_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg );
int LSAPI_ForeachEnv_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg );
int LSAPI_ForeachSpecialEnv_r( LSAPI_Request * pReq,
LSAPI_CB_EnvHandler fn, void * arg );
char * LSAPI_GetEnv_r( LSAPI_Request * pReq, const char * name );
ssize_t LSAPI_ReadReqBody_r( LSAPI_Request * pReq, char * pBuf, size_t len );
int LSAPI_ReqBodyGetChar_r( LSAPI_Request * pReq );
int LSAPI_ReqBodyGetLine_r( LSAPI_Request * pReq, char * pBuf, size_t bufLen, int *getLF );
int LSAPI_FinalizeRespHeaders_r( LSAPI_Request * pReq );
ssize_t LSAPI_Write_r( LSAPI_Request * pReq, const char * pBuf, size_t len );
ssize_t LSAPI_sendfile_r( LSAPI_Request * pReq, int fdIn, off_t* off, size_t size );
ssize_t LSAPI_Write_Stderr_r( LSAPI_Request * pReq, const char * pBuf, size_t len );
int LSAPI_Flush_r( LSAPI_Request * pReq );
int LSAPI_AppendRespHeader_r( LSAPI_Request * pReq, const char * pBuf, int len );
int LSAPI_AppendRespHeader2_r( LSAPI_Request * pReq, const char * pHeaderName,
const char * pHeaderValue );
int LSAPI_ErrResponse_r( LSAPI_Request * pReq, int code, const char ** pRespHeaders,
const char * pBody, int bodyLen );
static inline int LSAPI_SetRespStatus_r( LSAPI_Request * pReq, int code )
{
if ( !pReq )
return -1;
pReq->m_respHeader.m_respInfo.m_status = code;
return 0;
}
static inline int LSAPI_SetAppData_r( LSAPI_Request * pReq, void * data )
{
if ( !pReq )
return -1;
pReq->m_pAppData = data;
return 0;
}
static inline void * LSAPI_GetAppData_r( LSAPI_Request * pReq )
{
if ( !pReq )
return NULL;
return pReq->m_pAppData;
}
static inline char * LSAPI_GetQueryString_r( LSAPI_Request * pReq )
{
if ( pReq )
return pReq->m_pQueryString;
return NULL;
}
static inline char * LSAPI_GetScriptFileName_r( LSAPI_Request * pReq )
{
if ( pReq )
return pReq->m_pScriptFile;
return NULL;
}
static inline char * LSAPI_GetScriptName_r( LSAPI_Request * pReq )
{
if ( pReq )
return pReq->m_pScriptName;
return NULL;
}
static inline char * LSAPI_GetRequestMethod_r( LSAPI_Request * pReq)
{
if ( pReq )
return pReq->m_pRequestMethod;
return NULL;
}
static inline off_t LSAPI_GetReqBodyLen_r( LSAPI_Request * pReq )
{
if ( pReq )
return pReq->m_reqBodyLen;
return -1;
}
static inline off_t LSAPI_GetReqBodyRemain_r( LSAPI_Request * pReq )
{
if ( pReq )
return pReq->m_reqBodyLen - pReq->m_reqBodyRead;
return -1;
}
int LSAPI_End_Response_r(LSAPI_Request * pReq);
int LSAPI_Is_Listen(void);
static inline int LSAPI_Accept( void )
{ return LSAPI_Accept_r( &g_req ); }
static inline int LSAPI_Finish(void)
{ return LSAPI_Finish_r( &g_req ); }
static inline char * LSAPI_GetHeader( int headerIndex )
{ return LSAPI_GetHeader_r( &g_req, headerIndex ); }
static inline int LSAPI_ForeachHeader( LSAPI_CB_EnvHandler fn, void * arg )
{ return LSAPI_ForeachHeader_r( &g_req, fn, arg ); }
static inline int LSAPI_ForeachOrgHeader(
LSAPI_CB_EnvHandler fn, void * arg )
{ return LSAPI_ForeachOrgHeader_r( &g_req, fn, arg ); }
static inline int LSAPI_ForeachEnv( LSAPI_CB_EnvHandler fn, void * arg )
{ return LSAPI_ForeachEnv_r( &g_req, fn, arg ); }
static inline int LSAPI_ForeachSpecialEnv( LSAPI_CB_EnvHandler fn, void * arg )
{ return LSAPI_ForeachSpecialEnv_r( &g_req, fn, arg ); }
static inline char * LSAPI_GetEnv( const char * name )
{ return LSAPI_GetEnv_r( &g_req, name ); }
static inline char * LSAPI_GetQueryString(void)
{ return LSAPI_GetQueryString_r( &g_req ); }
static inline char * LSAPI_GetScriptFileName(void)
{ return LSAPI_GetScriptFileName_r( &g_req ); }
static inline char * LSAPI_GetScriptName(void)
{ return LSAPI_GetScriptName_r( &g_req ); }
static inline char * LSAPI_GetRequestMethod(void)
{ return LSAPI_GetRequestMethod_r( &g_req ); }
static inline off_t LSAPI_GetReqBodyLen(void)
{ return LSAPI_GetReqBodyLen_r( &g_req ); }
static inline off_t LSAPI_GetReqBodyRemain(void)
{ return LSAPI_GetReqBodyRemain_r( &g_req ); }
static inline ssize_t LSAPI_ReadReqBody( char * pBuf, size_t len )
{ return LSAPI_ReadReqBody_r( &g_req, pBuf, len ); }
static inline int LSAPI_ReqBodyGetChar(void)
{ return LSAPI_ReqBodyGetChar_r( &g_req ); }
static inline int LSAPI_ReqBodyGetLine( char * pBuf, int len, int *getLF )
{ return LSAPI_ReqBodyGetLine_r( &g_req, pBuf, len, getLF ); }
static inline int LSAPI_FinalizeRespHeaders(void)
{ return LSAPI_FinalizeRespHeaders_r( &g_req ); }
static inline ssize_t LSAPI_Write( const char * pBuf, ssize_t len )
{ return LSAPI_Write_r( &g_req, pBuf, len ); }
static inline ssize_t LSAPI_sendfile( int fdIn, off_t* off, size_t size )
{
return LSAPI_sendfile_r(&g_req, fdIn, off, size );
}
static inline ssize_t LSAPI_Write_Stderr( const char * pBuf, ssize_t len )
{ return LSAPI_Write_Stderr_r( &g_req, pBuf, len ); }
static inline int LSAPI_Flush(void)
{ return LSAPI_Flush_r( &g_req ); }
static inline int LSAPI_AppendRespHeader( char * pBuf, int len )
{ return LSAPI_AppendRespHeader_r( &g_req, pBuf, len ); }
static inline int LSAPI_SetRespStatus( int code )
{ return LSAPI_SetRespStatus_r( &g_req, code ); }
static inline int LSAPI_ErrResponse( int code, const char ** pRespHeaders, const char * pBody, int bodyLen )
{ return LSAPI_ErrResponse_r( &g_req, code, pRespHeaders, pBody, bodyLen ); }
static inline int LSAPI_End_Response(void)
{ return LSAPI_End_Response_r( &g_req ); }
int LSAPI_IsRunning(void);
int LSAPI_CreateListenSock( const char * pBind, int backlog );
typedef int (*fn_select_t)( int, fd_set *, fd_set *, fd_set *, struct timeval * );
int LSAPI_Init_Prefork_Server( int max_children, fn_select_t fp, int avoidFork );
void LSAPI_Set_Server_fd( int fd );
int LSAPI_Prefork_Accept_r( LSAPI_Request * pReq );
void LSAPI_No_Check_ppid(void);
void LSAPI_Set_Max_Reqs( int reqs );
void LSAPI_Set_Max_Idle( int secs );
void LSAPI_Set_Max_Children( int maxChildren );
void LSAPI_Set_Max_Idle_Children( int maxIdleChld );
void LSAPI_Set_Server_Max_Idle_Secs( int serverMaxIdle );
void LSAPI_Set_Max_Process_Time( int secs );
int LSAPI_Init_Env_Parameters( fn_select_t fp );
void LSAPI_Set_Slow_Req_Msecs( int msecs );
int LSAPI_Get_Slow_Req_Msecs(void);
int LSAPI_is_suEXEC_Daemon(void);
int LSAPI_Set_Restored_Parent_Pid(int pid);
typedef void (*LSAPI_On_Timer_pf)(int *forked_child_pid);
void LSAPI_Register_Pgrp_Timer_Callback(LSAPI_On_Timer_pf);
int LSAPI_Inc_Req_Processed(int cnt);
int LSAPI_Accept_Before_Fork(LSAPI_Request * pReq);
int LSAPI_Postfork_Child(LSAPI_Request * pReq);
int LSAPI_Postfork_Parent(LSAPI_Request * pReq);
#define LSAPI_LOG_LEVEL_BITS 0xff
#define LSAPI_LOG_FLAG_NONE 0
#define LSAPI_LOG_FLAG_DEBUG 1
#define LSAPI_LOG_FLAG_INFO 2
#define LSAPI_LOG_FLAG_NOTICE 3
#define LSAPI_LOG_FLAG_WARN 4
#define LSAPI_LOG_FLAG_ERROR 5
#define LSAPI_LOG_FLAG_CRIT 6
#define LSAPI_LOG_FLAG_FATAL 7
#define LSAPI_LOG_TIMESTAMP_BITS (0xff00)
#define LSAPI_LOG_TIMESTAMP_FULL (0x100)
#define LSAPI_LOG_TIMESTAMP_HMS (0x200)
#define LSAPI_LOG_TIMESTAMP_STDERR (0x400)
#define LSAPI_LOG_PID (0x10000)
void LSAPI_Log(int flag, const char * fmt, ...)
#if __GNUC__
__attribute__((format(printf, 2, 3)))
#endif
;
#if defined (c_plusplus) || defined (__cplusplus)
}
#endif
#endif
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GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS
GA*FORTIFY GA+GLIBCXX_ASSERTIONS GA$3p1113 GA$running gcc 8.5.0 20210514 GA$annobin gcc 8.5.0 20210514 GA$plugin name: gcc-annobin GA*GOW * GA* GA+stack_clash GA*cf_protection
GA*FORTIFY GA+GLIBCXX_ASSERTIONS GA* GA! GA+omit_frame_pointer GA* GA!stack_realign GA$3p1113 GA$running gcc 8.5.0 20210514 GA$annobin gcc 8.5.0 20210514 GA$plugin name: gcc-annobin GA*GOW * GA* GA+stack_clash GA*cf_protection
GA*FORTIFY GA+GLIBCXX_ASSERTIONS GA* GA! GA+omit_frame_pointer GA* GA!stack_realign GA$3p1113 GA$running gcc 8.5.0 20210514 GA$annobin gcc 8.5.0 20210514 GA$plugin name: gcc-annobin GA*GOW * GA* GA+stack_clash GA*cf_protection
GA*FORTIFY GA+GLIBCXX_ASSERTIONS GA* GA! GA+omit_frame_pointer GA* GA!stack_realign GA$3p1113 GA$running gcc 8.5.0 20210514 GA$annobin gcc 8.5.0 20210514 GA$plugin name: gcc-annobin GA*GOW * GA* GA+stack_clash GA*cf_protection
GA*FORTIFY GA+GLIBCXX_ASSERTIONS GA* GA! GA+omit_frame_pointer GA* GA!stack_realign Anonymous mmap() failed localhost %02d:%02d:%02d [%s] [UID:%d][%d] %.*s yes no system() %s, errno: %d (%s)
/dev/null libpthread.so pthread_atfork HTTP_ [UID:%d][%d] %s:%s: %s
LSAPI: jail() failure. /etc/ Can't set signals accept() failed LSAPI_STDERR_LOG PHP_LSAPI_MAX_REQUESTS LSAPI_MAX_REQS LSAPI_KEEP_LISTEN LSAPI_AVOID_FORK LSAPI_ACCEPT_NOTIFY LSAPI_SLOW_REQ_MSECS LSAPI_ALLOW_CORE_DUMP LSAPI_MAX_IDLE PHP_LSAPI_CHILDREN LSAPI_CHILDREN LSAPI_EXTRA_CHILDREN LSAPI_MAX_IDLE_CHILDREN LSAPI_PGRP_MAX_IDLE LSAPI_MAX_PROCESS_TIME LSAPI_PPID_NO_CHECK LSAPI_MAX_BUSY_WORKER LSAPI_DUMP_DEBUG_INFO nobody LSAPI_DEFAULT_UID LSAPI_DEFAULT_GID LSAPI_SECRET LSAPI_LVE_ENABLE LVE_ENABLE liblve.so.0 lve_is_available lve_instance_init lve_destroy lve_enter lve_leave jail LSAPI_ PHP_LSAPI_ PHPRC= packetLen < 0
packetLen > %d
Bad request header - ERROR#1
ParseRequest error
SUEXEC_AUTH SUEXEC_UGID LSAPI: setgid() LSAPI: initgroups() LSAPI: setgroups() LSAPI: setuid() Bad request header - ERROR#2
lsapi_accept() error Pragma: no-cache Retry-After: 60 Content-Type: text/html DEBUG INFO NOTICE WARN ERROR CRIT FATAL Accept Accept-Charset Accept-Encoding Accept-Language Authorization Connection Content-Type Content-Length Cookie Cookie2 Host Pragma Referer User-Agent Cache-Control If-Modified-Since If-Match If-None-Match If-Range If-Unmodified-Since Keep-Alive Range X-Forwarded-For Via Transfer-Encoding HTTP_ACCEPT HTTP_ACCEPT_CHARSET HTTP_ACCEPT_ENCODING HTTP_ACCEPT_LANGUAGE HTTP_AUTHORIZATION HTTP_CONNECTION CONTENT_TYPE CONTENT_LENGTH HTTP_COOKIE HTTP_COOKIE2 HTTP_HOST HTTP_PRAGMA HTTP_REFERER HTTP_USER_AGENT HTTP_CACHE_CONTROL HTTP_IF_MODIFIED_SINCE HTTP_IF_MATCH HTTP_IF_NONE_MATCH HTTP_IF_RANGE HTTP_IF_UNMODIFIED_SINCE HTTP_KEEP_ALIVE HTTP_RANGE HTTP_X_FORWARDED_FOR HTTP_VIA HTTP_TRANSFER_ENCODING %04d-%02d-%02d %02d:%02d:%02d.%06d Child process with pid: %d was killed by signal: %d, core dumped: %s
Possible runaway process, UID: %d, PPID: %d, PID: %d, reqCount: %d, process time: %ld, checkpoint time: %ld, start time: %ld
gdb --batch -ex "attach %d" -ex "set height 0" -ex "bt" >&2;PATH=$PATH:/usr/sbin lsof -p %d >&2 Force killing runaway process PID: %d with SIGKILL
Killing runaway process PID: %d with SIGTERM
Children tracking is wrong: Cur Children: %d, count: %d, idle: %d, dying: %d
LSAPI: LVE jail(%d) result: %d, error: %s !
Invalid custom stderr log path Failed to open custom stderr log Can't set signal handler for SIGCHILD Reached max children process limit: %d, extra: %d, current: %d, busy: %d, please increase LSAPI_CHILDREN.
LSAPI: failed to open secret file: %s!
LSAPI: failed to check state of file: %s!
LSAPI: file permission check failure: %s
LSAPI: failed to read secret from secret file: %s
LSAPI: Unable to initialize LVE Request header does match total size, total: %d, real: %ld
LSAPI: missing SUEXEC_UGID env, use default user!
LSAPI: SUEXEC_AUTH authentication failed, use default user!
LSAPI: lve_enter() failure, reached resource limit. prctl: Failed to set dumpable, core dump may not be available! sigprocmask(SIG_BLOCK) to block SIGCHLD sigprocmask( SIG_SETMASK ) to restore SIGMASK in child fork() failed, please increase process limit sigprocmask( SIG_SETMASK ) to restore SIGMASK Cache-Control: private, no-cache, no-store, must-revalidate, max-age=0 PID
508 Resource Limit Is Reached
Resource Limit Is Reached
The website is temporarily unable to service your request as it exceeded resource limit.
Please try again later.
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