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httpd.cxx
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httpd.cxx
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/* Copyright 2009 by Yasuhiro Matsumoto
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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
* REGENTS 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "httpd.h"
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifndef _WIN32
#include <signal.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <netinet/tcp.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
#endif
#if defined (__SVR4) && defined (__sun)
#define __solaris__
#endif
#if defined LINUX_SENDFILE_API
#include <sys/sendfile.h>
#elif defined FREEBSD_SENDFILE_API
#include <sys/uio.h>
#elif defined _WIN32
#include <mswsock.h>
#endif
extern char* crypt(const char *key, const char *setting);
namespace tthttpd {
#ifdef _WIN32
typedef int socklen_t;
#else
#define closesocket(x) close(x)
#define strnicmp(x, y, z) strncasecmp(x, y, z)
#endif
#if !defined(EWOULDBLOCK) && defined(WSAEWOULDBLOCK)
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#ifndef NBBY
#define NBBY 8 /* number of bits in a byte */
#endif
#ifndef NFDBITS
#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
#endif
#ifndef howmany
#define howmany(x,y) (((x)+((y)-1))/(y))
#endif
typedef long fd_mask;
#ifndef S_ISREG
#define S_ISREG(x) (x & S_IFREG)
#endif
#define VERBOSE(x) (httpd->verbose_mode >= x)
#if !defined(HAVE_GETADDRINFO) && defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0501
int inet_aton(const char *cp, struct in_addr *addr) {
register unsigned int val;
register int base, n;
register char c;
unsigned int parts[4];
register unsigned int *pp = parts;
c = *cp;
for (;;) {
if (!isdigit(c))
return (0);
val = 0; base = 10;
if (c == '0') {
c = *++cp;
if (c == 'x' || c == 'X')
base = 16, c = *++cp;
else
base = 8;
}
for (;;) {
if (isascii(c) && isdigit(c)) {
val = (val * base) + (c - '0');
c = *++cp;
} else if (base == 16 && isascii(c) && isxdigit(c)) {
val = (val << 4) |
(c + 10 - (islower(c) ? 'a' : 'A'));
c = *++cp;
} else
break;
}
if (c == '.') {
if (pp >= parts + 3)
return (0);
*pp++ = val;
c = *++cp;
} else
break;
}
if (c != '\0' && (!isascii(c) || !isspace(c)))
return (0);
n = pp - parts + 1;
switch (n) {
case 0:
return (0); /* initial nondigit */
case 1: /* a -- 32 bits */
break;
case 2: /* a.b -- 8.24 bits */
if ((val > 0xffffff) || (parts[0] > 0xff))
return (0);
val |= parts[0] << 24;
break;
case 3: /* a.b.c -- 8.8.16 bits */
if ((val > 0xffff) || (parts[0] > 0xff) || (parts[1] > 0xff))
return (0);
val |= (parts[0] << 24) | (parts[1] << 16);
break;
case 4: /* a.b.c.d -- 8.8.8.8 bits */
if ((val > 0xff) || (parts[0] > 0xff) || (parts[1] > 0xff) || (parts[2] > 0xff))
return (0);
val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
break;
}
if (addr)
addr->s_addr = htonl(val);
return (1);
}
const char* gai_strerror(int ecode) {
switch (ecode) {
case EAI_NODATA:
return "no address associated with hostname.";
case EAI_MEMORY:
return "memory allocation failure.";
default:
return "unknown error.";
}
}
void freeaddrinfo(struct addrinfo *ai) {
struct addrinfo *next;
do {
next = ai->ai_next;
free(ai);
} while (NULL != (ai = next));
}
static struct addrinfo *malloc_ai(int port, u_long addr) {
struct addrinfo *ai;
ai = (struct addrinfo*) malloc(sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
if (ai == NULL)
return(NULL);
memset(ai, 0, sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
ai->ai_addr = (struct sockaddr *)(ai + 1);
ai->ai_addrlen = sizeof(struct sockaddr_in);
ai->ai_addr->sa_family = ai->ai_family = AF_INET;
((struct sockaddr_in *)(ai)->ai_addr)->sin_port = port;
((struct sockaddr_in *)(ai)->ai_addr)->sin_addr.s_addr = addr;
return(ai);
}
int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
size_t hostlen, char *serv, size_t servlen, int flags) {
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
struct hostent *hp;
char tmpserv[16];
if (serv) {
snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
if (strlen(tmpserv) > servlen)
return EAI_MEMORY;
else
strcpy(serv, tmpserv);
}
if (host) {
if (flags & NI_NUMERICHOST) {
if (strlen(inet_ntoa(sin->sin_addr)) > hostlen)
return EAI_MEMORY;
strcpy(host, inet_ntoa(sin->sin_addr));
return 0;
} else {
hp = gethostbyaddr((char *)&sin->sin_addr,
sizeof(struct in_addr), AF_INET);
if (hp == NULL)
return EAI_NODATA;
if (strlen(hp->h_name) > hostlen)
return EAI_MEMORY;
strcpy(host, hp->h_name);
return 0;
}
}
return 0;
}
int getaddrinfo(const char *hostname, const char *servname,
const struct addrinfo *hints, struct addrinfo **res) {
struct addrinfo *cur, *prev = NULL;
struct hostent *hp;
struct in_addr in;
int i, port;
if (servname) {
struct servent *se;
if ((se = getservbyname(servname, "tcp")))
port = se->s_port;
else
port = htons(atoi(servname));
} else
port = 0;
if (hints && hints->ai_flags & AI_PASSIVE) {
if (NULL != (*res = malloc_ai(port, htonl(0x00000000))))
return 0;
else
return EAI_MEMORY;
}
if (!hostname) {
if (NULL != (*res = malloc_ai(port, htonl(0x7f000001))))
return 0;
else
return EAI_MEMORY;
}
if (inet_aton(hostname, &in)) {
if (NULL != (*res = malloc_ai(port, in.s_addr)))
return 0;
else
return EAI_MEMORY;
}
hp = gethostbyname(hostname);
if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
for (i = 0; hp->h_addr_list[i]; i++) {
cur = malloc_ai(port, ((struct in_addr *)hp->h_addr_list[i])->s_addr);
if (cur == NULL) {
if (*res)
freeaddrinfo(*res);
return EAI_MEMORY;
}
if (prev) prev->ai_next = cur;
else *res = cur;
prev = cur;
}
return 0;
}
return EAI_NODATA;
}
#endif
typedef struct {
#ifdef _WIN32
HANDLE read;
HANDLE write;
HANDLE process;
#else
FILE* read;
FILE* write;
pid_t process;
#endif
unsigned long size;
} RES_INFO;
bool operator<(const server::ListInfo& left, const server::ListInfo& right) {
return left.name < right.name;
}
bool operator>(const server::ListInfo& left, const server::ListInfo& right) {
return left.name > right.name;
}
const char * const months[]={
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"};
const char * const wdays[]={
"Sun",
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat"};
#ifdef _WIN32
static bool filetime2unixtime(const FILETIME* ft, struct tm* tm) {
FILETIME lt;
SYSTEMTIME st;
if (!FileTimeToLocalFileTime(ft, <)) return false;
if (!FileTimeToSystemTime(<, &st)) return false;
memset(tm, 0, sizeof(tm));
tm->tm_year = st.wYear - 1900;
tm->tm_mon = st.wMonth - 1;
tm->tm_mday = st.wDay;
tm->tm_hour = st.wHour;
tm->tm_min = st.wMinute;
tm->tm_sec = st.wSecond;
return true;
}
#endif
static std::string res_curtime(int diff = 0) {
time_t tt = time(NULL) + diff;
struct tm* p = gmtime(&tt);
char buf[256];
sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d GMT",
wdays[p->tm_wday],
p->tm_mday,
months[p->tm_mon],
p->tm_year+1900,
p->tm_hour,
p->tm_min,
p->tm_sec);
return buf;
}
static void my_perror(std::string mes) {
#ifdef _WIN32
void* pMsgBuf;
FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(LPSTR) &pMsgBuf,
0,
NULL
);
std::string err = (LPSTR)pMsgBuf;
LocalFree(pMsgBuf);
err.erase(std::remove(err.begin(), err.end(), '\r'), err.end());
err.erase(std::remove(err.begin(), err.end(), '\n'), err.end());
fprintf(stderr, "%s: %s\n", mes.c_str(), err.c_str());
#else
perror(mes.c_str());
#endif
}
#ifdef _WIN32
static RES_INFO* res_fopen(std::string file) {
HANDLE hFile;
hFile = CreateFileA(
file.c_str(),
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
return NULL;
RES_INFO* res_info = new RES_INFO;
res_info->read = hFile;
res_info->write = 0;
res_info->process = 0;
res_info->size = (unsigned long)-1;
return res_info;
}
static bool res_isdir(std::string file) {
DWORD dwAttr = GetFileAttributesA(file.c_str());
return (dwAttr != (DWORD)-1 && (dwAttr & FILE_ATTRIBUTE_DIRECTORY));
}
static bool res_isexe(std::string& file, std::string& path_info, std::string& script_name) {
std::vector<std::string> split_path = split_string(file, "/");
std::string path = "";
const char* env = getenv("PATHEXT");
std::string pathext = env ? env : "";
std::transform(pathext.begin(), pathext.end(), pathext.begin(), ::tolower);
std::vector<std::string> pathexts = split_string(pathext, ";");
std::vector<std::string>::iterator itext;
for (std::vector<std::string>::iterator it = split_path.begin(); it != split_path.end(); it++) {
if (it->empty()) continue;
if (!path.empty()) path += "/";
path += *it;
struct stat st;
if (stat((char *)path.c_str(), &st) == 0 && S_ISREG(st.st_mode)) {
for (itext = pathexts.begin(); itext != pathexts.end(); itext++) {
if (path.substr(path.size() - itext->size()) == *itext) {
path_info = file.c_str() + path.size();
script_name.resize(script_name.size() - path_info.size());
file = path;
if (path_info.empty()) script_name += *it;
return true;
}
}
}
for (itext = pathexts.begin(); itext != pathexts.end(); itext++) {
std::string tmp = path + *itext;
if (stat((char *)tmp.c_str(), &st) == 0 && S_ISREG(st.st_mode)) {
path_info = file.c_str() + path.size();
script_name.resize(script_name.size() - path_info.size());
file = tmp;
if (path_info.empty()) script_name += *it;
return true;
}
}
}
return false;
}
static bool res_iscgi(std::string& file, std::string& path_info, std::string& script_name, server::MimeTypes& mime_types, std::string& type) {
std::vector<std::string> split_path = split_string(file, "/");
std::string path = "";
for (std::vector<std::string>::iterator it = split_path.begin(); it != split_path.end(); it++) {
if (it->empty()) continue;
if (!path.empty()) path += "/";
path += *it;
struct stat st;
if (stat((char *)path.c_str(), &st))
continue;
server::MimeTypes::iterator it_mime;
for(it_mime = mime_types.begin(); it_mime != mime_types.end(); it_mime++) {
if (it_mime->second[0] != '@') continue;
std::string match = ".";
match += it_mime->first;
if (!strcmp(path.c_str()+path.size()-match.size(), match.c_str())) {
type = it_mime->second;
path_info = file.c_str() + path.size();
script_name.resize(script_name.size() - path_info.size());
file = path;
if (script_name == "/")
script_name += *it;
return true;
}
}
}
return false;
}
static std::vector<server::ListInfo> res_flist(std::string path) {
WIN32_FIND_DATAA fData;
std::vector<server::ListInfo> ret;
if (path.size() && path[path.size()-1] != '/')
path += "/";
std::string pattern = path + "*";
HANDLE hFind = FindFirstFileA(pattern.c_str(), &fData);
do {
if (hFind == INVALID_HANDLE_VALUE) break;
if (strcmp(fData.cFileName, ".")) {
server::ListInfo listInfo;
listInfo.name = fData.cFileName;
listInfo.isdir = (fData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
? true : false;
listInfo.size = fData.nFileSizeLow;
filetime2unixtime(&fData.ftLastWriteTime, &listInfo.date);
ret.push_back(listInfo);
}
} while(FindNextFileA(hFind, &fData));
if (hFind != INVALID_HANDLE_VALUE) FindClose(hFind);
std::sort(ret.begin(), ret.end());
return ret;
}
static unsigned long res_fsize(RES_INFO* res_info) {
return GetFileSize(res_info->read, NULL);
}
static std::string res_ftime(std::string file, int diff = 0) {
HANDLE hFile;
hFile = CreateFileA(
file.c_str(),
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
return "";
FILETIME filetime = {0};
SYSTEMTIME systemtime = {0};
GetFileTime(hFile, NULL, NULL, &filetime);
CloseHandle(hFile);
FileTimeToSystemTime(&filetime, &systemtime);
struct tm t = {0};
t.tm_year = systemtime.wYear-1900;
t.tm_mon = systemtime.wMonth;
t.tm_mday = systemtime.wDay;
t.tm_hour = systemtime.wHour;
t.tm_min = systemtime.wMinute;
t.tm_sec = systemtime.wSecond;
t.tm_isdst = 0;
time_t tt = mktime(&t) + diff;
struct tm* p = localtime(&tt);
//int offset= -(int)timezone;
//offset = offset/60/60*100 + (offset/60)%60;
char buf[256];
//sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d %+05d",
// wdays[p->tm_wday],
// p->tm_mday,
// months[p->tm_mon-1],
// p->tm_year+1900,
// p->tm_hour,
// p->tm_min,
// p->tm_sec,
// offset);
sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d GMT",
wdays[p->tm_wday],
p->tm_mday,
months[p->tm_mon],
p->tm_year+1900,
p->tm_hour,
p->tm_min,
p->tm_sec);
return buf;
}
static std::string res_fgets(RES_INFO* res_info) {
std::string ret;
while(true) {
DWORD dwRead;
char buf[2] = {0};
if (ReadFile(res_info->read, buf, 1, &dwRead, NULL) == FALSE) break;
if (buf[0] == '\n') break;
if (buf[0] != '\r') ret += buf;
}
return ret;
}
static unsigned long res_write(RES_INFO* res_info, char* data, unsigned long size) {
DWORD dwWrite = 0;
WriteFile(res_info->write, data, size, &dwWrite, NULL);
return dwWrite;
}
static unsigned long res_read(RES_INFO* res_info, char* data, unsigned long size) {
DWORD dwRead;
if (ReadFile(res_info->read, data, size, &dwRead, NULL) == FALSE)
return 0;
return dwRead;
}
static RES_INFO* res_popen(std::vector<std::string> args, std::vector<std::string> envs) {
int envs_len = 1;
int n;
char *envs_ptr;
char *ptr;
std::vector<std::string>::const_iterator it;
std::string command;
STARTUPINFOA si;
PROCESS_INFORMATION pi;
HANDLE hClientOut_rd, hClientOut_wr;
HANDLE hClientIn_rd, hClientIn_wr;
if(!CreatePipe(&hClientOut_rd, &hClientOut_wr, NULL, 0)) {
return NULL;
}
if(!CreatePipe(&hClientIn_rd,&hClientIn_wr,NULL,0)) {
CloseHandle(hClientOut_rd);
CloseHandle(hClientOut_wr);
return NULL;
}
#ifdef NT
SetHandleInformation(
hClientOut_wr,
HANDLE_FLAG_INHERIT,
HANDLE_FLAG_INHERIT);
SetHandleInformation(
hClientIn_rd,
HANDLE_FLAG_INHERIT,
HANDLE_FLAG_INHERIT);
#else
DuplicateHandle(
GetCurrentProcess(),
hClientOut_wr,
GetCurrentProcess(),
&hClientOut_wr,
0,
TRUE,
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
DuplicateHandle(
GetCurrentProcess(),
hClientIn_rd,
GetCurrentProcess(),
&hClientIn_rd,
0,
TRUE,
DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE);
#endif
memset(&si,0,sizeof(STARTUPINFOA));
si.cb = sizeof(STARTUPINFOA);
si.dwFlags = STARTF_USESTDHANDLES;
si.hStdInput = hClientIn_rd;
si.hStdOutput = hClientOut_wr;
si.hStdError = hClientOut_wr;
for(it = args.begin(), n = 0; it != args.end(); it++, n++) {
if (it != args.begin()) command += " ";
command += *it;
}
for(it = envs.begin(); it != envs.end(); it++)
envs_len += (int)it->size() + 1;
envs_ptr = new char[envs_len];
memset(envs_ptr, 0, envs_len);
ptr = envs_ptr;
for(it = envs.begin(); it != envs.end(); it++) {
strcpy(ptr, it->c_str());
ptr += it->size() + 1;
}
std::string path = args.size() > 1 ? args[1] : args[0];
size_t end_pos = path.find_last_of('/');
if (end_pos != std::string::npos) path.erase(end_pos);
BOOL bRet = CreateProcessA(
NULL,
(char*)command.c_str(),
NULL,
NULL,
TRUE,
NORMAL_PRIORITY_CLASS | DETACHED_PROCESS,
envs_ptr,
path.c_str(),
&si,
&pi);
delete envs_ptr;
if(!bRet) {
my_perror("CreateProcessA");
CloseHandle(hClientIn_rd);
CloseHandle(hClientOut_wr);
return NULL;
}
CloseHandle(pi.hThread);
CloseHandle(hClientIn_rd);
CloseHandle(hClientOut_wr);
RES_INFO* res_info = new RES_INFO;
res_info->read = hClientOut_rd;
res_info->write = hClientIn_wr;
res_info->process = pi.hProcess;
res_info->size = (unsigned long)-1;
return res_info;
}
static void res_closewriter(RES_INFO* res_info) {
if (res_info && res_info->write) {
CloseHandle(res_info->write);
res_info->write = NULL;
}
}
static void res_close(RES_INFO* res_info) {
if (res_info) {
if (res_info->read) CloseHandle(res_info->read);
if (res_info->write) CloseHandle(res_info->write);
if (res_info->process) CloseHandle(res_info->process);
delete res_info;
}
}
#else
static RES_INFO* res_fopen(std::string file) {
FILE* fp = fopen(file.c_str(), "rb");
if (!fp)
return NULL;
RES_INFO* res_info = new RES_INFO;
res_info->read = fp;
res_info->write = 0;
res_info->process = 0;
res_info->size = (unsigned long)-1;
return res_info;
}
static bool res_isdir(std::string file) {
struct stat statbuf = {0};
stat(file.c_str(), &statbuf);
return statbuf.st_mode & S_IFDIR;
}
static bool res_isexe(std::string& file, std::string& path_info, std::string& script_name) {
std::vector<std::string> split_path = split_string(file, "/");
std::string path = "";
for (std::vector<std::string>::iterator it = split_path.begin(); it != split_path.end(); it++) {
if (it->empty()) continue;
path += "/";
path += *it;
struct stat st;
if (stat((char *)path.c_str(), &st))
continue;
if (S_ISREG(st.st_mode) && access(path.c_str(), X_OK) == 0) {
path_info = file.c_str() + path.size();
script_name.resize(script_name.size() - path_info.size());
file = path;
if (path_info.empty()) script_name += *it;
return true;
}
}
return false;
}
static bool res_iscgi(std::string& file, std::string& path_info, std::string& script_name, server::MimeTypes& mime_types, std::string& type) {
std::vector<std::string> split_path = split_string(file, "/");
std::string path = "";
for (std::vector<std::string>::iterator it = split_path.begin(); it != split_path.end(); it++) {
if (it->empty()) continue;
path += "/";
path += *it;
struct stat st;
if (stat((char *)path.c_str(), &st))
continue;
server::MimeTypes::iterator it_mime;
for(it_mime = mime_types.begin(); it_mime != mime_types.end(); it_mime++) {
if (it_mime->second[0] != '@') continue;
std::string match = ".";
match += it_mime->first;
if (!strcmp(path.c_str()+path.size()-match.size(), match.c_str())) {
type = it_mime->second;
path_info = file.c_str() + path.size();
script_name.resize(script_name.size() - path_info.size());
file = path;
if (script_name == "/")
script_name += *it;
return true;
}
}
}
return false;
}
static std::vector<server::ListInfo> res_flist(std::string path) {
std::vector<server::ListInfo> ret;
DIR* dir;
struct dirent* dirp;
if (!path.empty() && path[path.size()-1] != '/')
path += "/";
dir = opendir(path.c_str());
while((dirp = readdir(dir))) {
if (strcmp(dirp->d_name, ".")) {
server::ListInfo listInfo;
listInfo.name = dirp->d_name;
std::string file = path + listInfo.name;
struct stat statbuf = {0};
stat(file.c_str(), &statbuf);
listInfo.size = statbuf.st_size;
memcpy(&listInfo.date, gmtime(&statbuf.st_mtime), sizeof(struct tm));
listInfo.isdir = res_isdir(file);
ret.push_back(listInfo);
}
}
closedir(dir);
sort(ret.begin(), ret.end());
return ret;
}
static unsigned long res_fsize(RES_INFO* res_info) {
struct stat statbuf = {0};
fstat(fileno(res_info->read), &statbuf);
return statbuf.st_size;
}
static std::string res_ftime(std::string file, int diff = 0) {
struct stat statbuf = {0};
stat(file.c_str(), &statbuf);
time_t tt = statbuf.st_mtime + diff;
struct tm* p=gmtime(&tt);
//int offset;
//int offset= -(int)timezone;
//offset = offset/60/60*100 + (offset/60)%60;
char buf[256];
//sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d %+05d",
// wdays[p->tm_wday],
// p->tm_mday,
// months[p->tm_mon-1],
// p->tm_year+1900,
// p->tm_hour,
// p->tm_min,
// p->tm_sec,
// offset);
sprintf(buf, "%s, %02d %s %04d %02d:%02d:%02d GMT",
wdays[p->tm_wday],
p->tm_mday,
months[p->tm_mon],
p->tm_year+1900,
p->tm_hour,
p->tm_min,
p->tm_sec);
return buf;
}
static std::string res_fgets(RES_INFO* res_info) {
std::string ret;
char buf[BUFSIZ], *ptr;
memset(buf, 0, sizeof(buf));
if (fgets(buf, sizeof(buf), res_info->read)) {
ptr = strpbrk(buf, "\r\n");
if (ptr) *ptr = 0;
ret = buf;
}
return ret;
}
static unsigned long res_write(RES_INFO* res_info, char* data, unsigned long size) {
return fwrite(data, 1, size, res_info->write);
}
static unsigned long res_read(RES_INFO* res_info, char* data, unsigned long size) {
if (feof(res_info->read)) return 0;
return fread(data, 1, size, res_info->read);
}
static void res_popen_sigchild(int signo) {
wait(0);
}
static RES_INFO* res_popen(std::vector<std::string> args, std::vector<std::string> envs) {
int filedesr[2], filedesw[2];
pid_t child;
long flags;
sigset_t newmask;
char** args_ptr;
char** envs_ptr;
int n;
std::vector<std::string>::iterator it;
args_ptr = new char*[args.size() + 1];
envs_ptr = new char*[envs.size() + 1];
for(n = 0, it = args.begin(); it != args.end(); n++, it++)
args_ptr[n] = (char*)it->c_str();
args_ptr[args.size()] = 0;
for(n = 0, it = envs.begin(); it != envs.end(); n++, it++)
envs_ptr[n] = (char*)it->c_str();
envs_ptr[envs.size()] = 0;
int tmp;
tmp = pipe(filedesr);
tmp = pipe(filedesw);
child = fork();
if (!child) {
dup2(filedesw[0], 0);
dup2(filedesr[1], 1);
dup2(filedesr[1], 2);
close(filedesw[1]);
close(filedesr[0]);
setsid();
setpgid(0, 0);
sigemptyset(&newmask);
sigaddset(&newmask, SIGTERM);
sigaddset(&newmask, SIGKILL);
pthread_sigmask(SIG_UNBLOCK, &newmask, 0L);
usleep(500);
std::string path = args.size() > 1 && args[1].at(0) == '/' ?
args[1] : args[0];
size_t end_pos = path.find_last_of('/');
if (end_pos)
path.erase(end_pos);
tmp = chdir(path.c_str());
if (execve(args_ptr[0], args_ptr, envs_ptr) < 0) {
my_perror("execv");
}
delete[] envs_ptr;
delete[] args_ptr;
} else {
signal(SIGCHLD, res_popen_sigchild);
sigemptyset(&newmask);
sigaddset(&newmask, SIGCHLD);
sigaddset(&newmask, SIGTERM);
sigaddset(&newmask, SIGKILL);
pthread_sigmask(SIG_UNBLOCK, &newmask, 0L);
close(filedesw[0]);
close(filedesr[1]);
flags = fcntl(filedesw[1], F_GETFL, 0);
flags |= O_NONBLOCK;
#ifndef BSD
flags |= O_NDELAY;
#endif
fcntl(filedesw[1], F_SETFL, flags);
RES_INFO* res_info = new RES_INFO;
res_info->read = fdopen(filedesr[0], "r");
res_info->write = fdopen(filedesw[1], "w");
res_info->process = child;
res_info->size = (unsigned long)-1;
return res_info;
}
return NULL;
}
static void res_closewriter(RES_INFO* res_info) {
if (res_info && res_info->write) {
fclose(res_info->write);
res_info->write = NULL;
}
}
static void res_close(RES_INFO* res_info) {
if (res_info) {
if (res_info->read) fclose(res_info->read);
if (res_info->write) fclose(res_info->write);
delete res_info;
}
}
#endif
static std::string get_line(int fd)
{
char c = 0;
char add[2] = {0};
std::string ret;
ret.reserve(80);
while (1) {
if (recv(fd, &c, 1, 0) <= 0)
break;
if (c == '\r')
continue;
if (c == '\n')
break;
add[0] = c;
ret += add;
}
return ret;
}
void* response_thread(void* param)
{
server::HttpdInfo *pHttpdInfo = (server::HttpdInfo*)param;
server *httpd = pHttpdInfo->httpd;
int msgsock = (int)pHttpdInfo->msgsock;
std::string address = pHttpdInfo->address;
std::string port = pHttpdInfo->port;
int servno = pHttpdInfo->servno;
std::string str, req, ret;
std::vector<std::string> vparam;
std::vector<std::string> vauth;