From 47606a71eeedf7e7836d643e5a95875b2336d888 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Wed, 2 Oct 2013 23:21:13 +0100
Subject: [PATCH] Moved unix and win32 code to different files
---
build/Makefile | 3 +-
build/src/internal.h | 7 +-
build/src/mongoose.c | 510 -------------------------------------------
build/src/unix.c | 105 +++++++++
build/src/win32.c | 401 ++++++++++++++++++++++++++++++++++
mongoose.c | 307 +++++++++++++-------------
6 files changed, 667 insertions(+), 666 deletions(-)
create mode 100644 build/src/unix.c
create mode 100644 build/src/win32.c
diff --git a/build/Makefile b/build/Makefile
index c05b1d5f5..eafe3a554 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -27,7 +27,8 @@ VERSION = $(shell perl -lne \
# The order in which files are listed is important
SOURCES = src/internal.h src/string.c src/parse_date.c src/options.c \
- src/crypto.c src/auth.c src/mongoose.c src/lua.c
+ src/crypto.c src/auth.c src/win32.c src/unix.c src/mongoose.c \
+ src/lua.c
TINY_SOURCES = ../mongoose.c main.c
LUA_SOURCES = $(TINY_SOURCES) sqlite3.c lsqlite3.c lua_5.2.1.c
diff --git a/build/src/internal.h b/build/src/internal.h
index 2e1f3e4eb..b84def028 100644
--- a/build/src/internal.h
+++ b/build/src/internal.h
@@ -323,7 +323,7 @@ struct ssl_func {
void (*ptr)(void); // Function pointer
};
-static struct ssl_func ssl_sw[];
+static struct ssl_func ssl_sw[30];
#define SSL_free (* (void (*)(SSL *)) ssl_sw[0].ptr)
#define SSL_accept (* (int (*)(SSL *)) ssl_sw[1].ptr)
@@ -460,6 +460,11 @@ struct de {
static FILE *mg_fopen(const char *path, const char *mode);
static int mg_stat(const char *path, struct file *filep);
+static void send_http_error(struct mg_connection *, int, const char *,
+ PRINTF_FORMAT_STRING(const char *fmt), ...)
+ PRINTF_ARGS(4, 5);
+static void cry(struct mg_connection *conn,
+ PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
#ifdef USE_LUA
#include "lua_5.2.1.h"
diff --git a/build/src/mongoose.c b/build/src/mongoose.c
index e07bb14ca..5f86022e1 100644
--- a/build/src/mongoose.c
+++ b/build/src/mongoose.c
@@ -43,9 +43,6 @@ static void sockaddr_to_string(char *buf, size_t len,
#endif
}
-static void cry(struct mg_connection *conn,
- PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
-
// Print error message to the opened error log stream.
static void cry(struct mg_connection *conn, const char *fmt, ...) {
char buf[MG_BUF_LEN], src_addr[IP_ADDR_STR_LEN];
@@ -119,11 +116,6 @@ static const char *suggest_connection_header(const struct mg_connection *conn) {
return should_keep_alive(conn) ? "keep-alive" : "close";
}
-static void send_http_error(struct mg_connection *, int, const char *,
- PRINTF_FORMAT_STRING(const char *fmt), ...)
- PRINTF_ARGS(4, 5);
-
-
static void send_http_error(struct mg_connection *conn, int status,
const char *reason, const char *fmt, ...) {
char buf[MG_BUF_LEN];
@@ -151,508 +143,6 @@ static void send_http_error(struct mg_connection *conn, int status,
conn->num_bytes_sent += mg_printf(conn, "%s", buf);
}
-#if defined(_WIN32) && !defined(__SYMBIAN32__)
-static pthread_t pthread_self(void) {
- return GetCurrentThreadId();
-}
-
-static int pthread_mutex_init(pthread_mutex_t *mutex, void *unused) {
- (void) unused;
- *mutex = CreateMutex(NULL, FALSE, NULL);
- return *mutex == NULL ? -1 : 0;
-}
-
-static int pthread_mutex_destroy(pthread_mutex_t *mutex) {
- return CloseHandle(*mutex) == 0 ? -1 : 0;
-}
-
-static int pthread_mutex_lock(pthread_mutex_t *mutex) {
- return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
-}
-
-static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
- return ReleaseMutex(*mutex) == 0 ? -1 : 0;
-}
-
-static int pthread_cond_init(pthread_cond_t *cv, const void *unused) {
- (void) unused;
- cv->signal = CreateEvent(NULL, FALSE, FALSE, NULL);
- cv->broadcast = CreateEvent(NULL, TRUE, FALSE, NULL);
- return cv->signal != NULL && cv->broadcast != NULL ? 0 : -1;
-}
-
-static int pthread_cond_wait(pthread_cond_t *cv, pthread_mutex_t *mutex) {
- HANDLE handles[] = {cv->signal, cv->broadcast};
- ReleaseMutex(*mutex);
- WaitForMultipleObjects(2, handles, FALSE, INFINITE);
- return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
-}
-
-static int pthread_cond_signal(pthread_cond_t *cv) {
- return SetEvent(cv->signal) == 0 ? -1 : 0;
-}
-
-static int pthread_cond_broadcast(pthread_cond_t *cv) {
- // Implementation with PulseEvent() has race condition, see
- // http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
- return PulseEvent(cv->broadcast) == 0 ? -1 : 0;
-}
-
-static int pthread_cond_destroy(pthread_cond_t *cv) {
- return CloseHandle(cv->signal) && CloseHandle(cv->broadcast) ? 0 : -1;
-}
-
-// For Windows, change all slashes to backslashes in path names.
-static void change_slashes_to_backslashes(char *path) {
- int i;
-
- for (i = 0; path[i] != '\0'; i++) {
- if (path[i] == '/')
- path[i] = '\\';
- // i > 0 check is to preserve UNC paths, like \\server\file.txt
- if (path[i] == '\\' && i > 0)
- while (path[i + 1] == '\\' || path[i + 1] == '/')
- (void) memmove(path + i + 1,
- path + i + 2, strlen(path + i + 1));
- }
-}
-
-// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
-// wbuf and wbuf_len is a target buffer and its length.
-static void to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len) {
- char buf[PATH_MAX * 2], buf2[PATH_MAX * 2];
-
- mg_strlcpy(buf, path, sizeof(buf));
- change_slashes_to_backslashes(buf);
-
- // Convert to Unicode and back. If doubly-converted string does not
- // match the original, something is fishy, reject.
- memset(wbuf, 0, wbuf_len * sizeof(wchar_t));
- MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
- WideCharToMultiByte(CP_UTF8, 0, wbuf, (int) wbuf_len, buf2, sizeof(buf2),
- NULL, NULL);
- if (strcmp(buf, buf2) != 0) {
- wbuf[0] = L'\0';
- }
-}
-
-#if defined(_WIN32_WCE)
-static time_t time(time_t *ptime) {
- time_t t;
- SYSTEMTIME st;
- FILETIME ft;
-
- GetSystemTime(&st);
- SystemTimeToFileTime(&st, &ft);
- t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
-
- if (ptime != NULL) {
- *ptime = t;
- }
-
- return t;
-}
-
-static struct tm *localtime(const time_t *ptime, struct tm *ptm) {
- int64_t t = ((int64_t) *ptime) * RATE_DIFF + EPOCH_DIFF;
- FILETIME ft, lft;
- SYSTEMTIME st;
- TIME_ZONE_INFORMATION tzinfo;
-
- if (ptm == NULL) {
- return NULL;
- }
-
- * (int64_t *) &ft = t;
- FileTimeToLocalFileTime(&ft, &lft);
- FileTimeToSystemTime(&lft, &st);
- ptm->tm_year = st.wYear - 1900;
- ptm->tm_mon = st.wMonth - 1;
- ptm->tm_wday = st.wDayOfWeek;
- ptm->tm_mday = st.wDay;
- ptm->tm_hour = st.wHour;
- ptm->tm_min = st.wMinute;
- ptm->tm_sec = st.wSecond;
- ptm->tm_yday = 0; // hope nobody uses this
- ptm->tm_isdst =
- GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_DAYLIGHT ? 1 : 0;
-
- return ptm;
-}
-
-static struct tm *gmtime(const time_t *ptime, struct tm *ptm) {
- // FIXME(lsm): fix this.
- return localtime(ptime, ptm);
-}
-
-static size_t strftime(char *dst, size_t dst_size, const char *fmt,
- const struct tm *tm) {
- (void) snprintf(dst, dst_size, "implement strftime() for WinCE");
- return 0;
-}
-#endif
-
-// Windows happily opens files with some garbage at the end of file name.
-// For example, fopen("a.cgi ", "r") on Windows successfully opens
-// "a.cgi", despite one would expect an error back.
-// This function returns non-0 if path ends with some garbage.
-static int path_cannot_disclose_cgi(const char *path) {
- static const char *allowed_last_characters = "_-";
- int last = path[strlen(path) - 1];
- return isalnum(last) || strchr(allowed_last_characters, last) != NULL;
-}
-
-static int mg_stat(const char *path, struct file *filep) {
- wchar_t wbuf[PATH_MAX] = L"\\\\?\\";
- WIN32_FILE_ATTRIBUTE_DATA info;
-
- filep->modification_time = 0;
- to_unicode(path, wbuf + 4, ARRAY_SIZE(wbuf) - 4);
- if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
- filep->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
- filep->modification_time = SYS2UNIX_TIME(
- info.ftLastWriteTime.dwLowDateTime,
- info.ftLastWriteTime.dwHighDateTime);
- filep->is_directory = info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
- // If file name is fishy, reset the file structure and return error.
- // Note it is important to reset, not just return the error, cause
- // functions like is_file_opened() check the struct.
- if (!filep->is_directory && !path_cannot_disclose_cgi(path)) {
- memset(filep, 0, sizeof(*filep));
- }
- }
-
- return filep->modification_time != 0;
-}
-
-static int mg_remove(const char *path) {
- wchar_t wbuf[PATH_MAX];
- to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
- return DeleteFileW(wbuf) ? 0 : -1;
-}
-
-static int mg_mkdir(const char *path, int mode) {
- char buf[PATH_MAX];
- wchar_t wbuf[PATH_MAX];
-
- (void) mode;
- mg_strlcpy(buf, path, sizeof(buf));
- change_slashes_to_backslashes(buf);
-
- (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, ARRAY_SIZE(wbuf));
-
- return CreateDirectoryW(wbuf, NULL) ? 0 : -1;
-}
-
-// Implementation of POSIX opendir/closedir/readdir for Windows.
-static DIR * opendir(const char *name) {
- DIR *dir = NULL;
- wchar_t wpath[PATH_MAX];
- DWORD attrs;
-
- if (name == NULL) {
- SetLastError(ERROR_BAD_ARGUMENTS);
- } else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
- SetLastError(ERROR_NOT_ENOUGH_MEMORY);
- } else {
- to_unicode(name, wpath, ARRAY_SIZE(wpath));
- attrs = GetFileAttributesW(wpath);
- if (attrs != 0xFFFFFFFF &&
- ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
- (void) wcscat(wpath, L"\\*");
- dir->handle = FindFirstFileW(wpath, &dir->info);
- dir->result.d_name[0] = '\0';
- } else {
- free(dir);
- dir = NULL;
- }
- }
-
- return dir;
-}
-
-static int closedir(DIR *dir) {
- int result = 0;
-
- if (dir != NULL) {
- if (dir->handle != INVALID_HANDLE_VALUE)
- result = FindClose(dir->handle) ? 0 : -1;
-
- free(dir);
- } else {
- result = -1;
- SetLastError(ERROR_BAD_ARGUMENTS);
- }
-
- return result;
-}
-
-static struct dirent *readdir(DIR *dir) {
- struct dirent *result = 0;
-
- if (dir) {
- if (dir->handle != INVALID_HANDLE_VALUE) {
- result = &dir->result;
- (void) WideCharToMultiByte(CP_UTF8, 0,
- dir->info.cFileName, -1, result->d_name,
- sizeof(result->d_name), NULL, NULL);
-
- if (!FindNextFileW(dir->handle, &dir->info)) {
- (void) FindClose(dir->handle);
- dir->handle = INVALID_HANDLE_VALUE;
- }
-
- } else {
- SetLastError(ERROR_FILE_NOT_FOUND);
- }
- } else {
- SetLastError(ERROR_BAD_ARGUMENTS);
- }
-
- return result;
-}
-
-#ifndef HAVE_POLL
-static int poll(struct pollfd *pfd, int n, int milliseconds) {
- struct timeval tv;
- fd_set set;
- int i, result;
- SOCKET maxfd = 0;
-
- tv.tv_sec = milliseconds / 1000;
- tv.tv_usec = (milliseconds % 1000) * 1000;
- FD_ZERO(&set);
-
- for (i = 0; i < n; i++) {
- FD_SET((SOCKET) pfd[i].fd, &set);
- pfd[i].revents = 0;
-
- if (pfd[i].fd > maxfd) {
- maxfd = pfd[i].fd;
- }
- }
-
- if ((result = select(maxfd + 1, &set, NULL, NULL, &tv)) > 0) {
- for (i = 0; i < n; i++) {
- if (FD_ISSET(pfd[i].fd, &set)) {
- pfd[i].revents = POLLIN;
- }
- }
- }
-
- return result;
-}
-#endif // HAVE_POLL
-
-static void set_close_on_exec(SOCKET sock) {
- (void) SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
-}
-
-int mg_start_thread(mg_thread_func_t f, void *p) {
- return (long)_beginthread((void (__cdecl *)(void *)) f, 0, p) == -1L ? -1 : 0;
-}
-
-static HANDLE dlopen(const char *dll_name, int flags) {
- wchar_t wbuf[PATH_MAX];
- (void) flags;
- to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
- return LoadLibraryW(wbuf);
-}
-
-#if !defined(NO_CGI)
-#define SIGKILL 0
-static int kill(pid_t pid, int sig_num) {
- (void) TerminateProcess(pid, sig_num);
- (void) CloseHandle(pid);
- return 0;
-}
-
-static void trim_trailing_whitespaces(char *s) {
- char *e = s + strlen(s) - 1;
- while (e > s && isspace(* (unsigned char *) e)) {
- *e-- = '\0';
- }
-}
-
-static pid_t spawn_process(struct mg_connection *conn, const char *prog,
- char *envblk, char *envp[], int fdin,
- int fdout, const char *dir) {
- HANDLE me;
- char *interp, full_interp[PATH_MAX], full_dir[PATH_MAX],
- cmdline[PATH_MAX], buf[PATH_MAX];
- FILE *fp;
- STARTUPINFOA si;
- PROCESS_INFORMATION pi = { 0 };
-
- (void) envp;
-
- memset(&si, 0, sizeof(si));
- si.cb = sizeof(si);
-
- // TODO(lsm): redirect CGI errors to the error log file
- si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
- si.wShowWindow = SW_HIDE;
-
- me = GetCurrentProcess();
- DuplicateHandle(me, (HANDLE) _get_osfhandle(fdin), me,
- &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
- DuplicateHandle(me, (HANDLE) _get_osfhandle(fdout), me,
- &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
-
- // If CGI file is a script, try to read the interpreter line
- interp = conn->ctx->config[CGI_INTERPRETER];
- if (interp == NULL) {
- buf[0] = buf[1] = '\0';
-
- // Read the first line of the script into the buffer
- snprintf(cmdline, sizeof(cmdline), "%s%c%s", dir, '/', prog);
- if ((fp = mg_fopen(cmdline, "r")) != NULL) {
- fgets(buf, sizeof(buf), fp);
- fclose(fp);
- buf[sizeof(buf) - 1] = '\0';
- }
-
- if (buf[0] == '#' && buf[1] == '!') {
- trim_trailing_whitespaces(buf + 2);
- } else {
- buf[2] = '\0';
- }
- interp = buf + 2;
- }
-
- if (interp[0] != '\0') {
- GetFullPathNameA(interp, sizeof(full_interp), full_interp, NULL);
- interp = full_interp;
- }
- GetFullPathNameA(dir, sizeof(full_dir), full_dir, NULL);
-
- mg_snprintf(cmdline, sizeof(cmdline), "%s%s\"%s\\%s\"",
- interp, interp[0] == '\0' ? "" : " ", full_dir, prog);
-
- DEBUG_TRACE(("Running [%s]", cmdline));
- if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
- CREATE_NEW_PROCESS_GROUP, envblk, NULL, &si, &pi) == 0) {
- cry(conn, "%s: CreateProcess(%s): %ld",
- __func__, cmdline, ERRNO);
- pi.hProcess = (pid_t) -1;
- }
-
- (void) CloseHandle(si.hStdOutput);
- (void) CloseHandle(si.hStdInput);
- (void) CloseHandle(pi.hThread);
-
- return (pid_t) pi.hProcess;
-}
-#endif // !NO_CGI
-
-static int set_non_blocking_mode(SOCKET sock) {
- unsigned long on = 1;
- return ioctlsocket(sock, FIONBIO, &on);
-}
-
-#else
-static int mg_stat(const char *path, struct file *filep) {
- struct stat st;
-
- filep->modification_time = (time_t) 0;
- if (stat(path, &st) == 0) {
- filep->size = st.st_size;
- filep->modification_time = st.st_mtime;
- filep->is_directory = S_ISDIR(st.st_mode);
-
- // See https://github.com/cesanta/mongoose/issues/109
- // Some filesystems report modification time as 0. Artificially
- // bump it up to mark mg_stat() success.
- if (filep->modification_time == (time_t) 0) {
- filep->modification_time = (time_t) 1;
- }
- }
-
- return filep->modification_time != (time_t) 0;
-}
-
-static void set_close_on_exec(int fd) {
- fcntl(fd, F_SETFD, FD_CLOEXEC);
-}
-
-int mg_start_thread(mg_thread_func_t func, void *param) {
- pthread_t thread_id;
- pthread_attr_t attr;
- int result;
-
- (void) pthread_attr_init(&attr);
- (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-
-#if USE_STACK_SIZE > 1
- // Compile-time option to control stack size, e.g. -DUSE_STACK_SIZE=16384
- (void) pthread_attr_setstacksize(&attr, USE_STACK_SIZE);
-#endif
-
- result = pthread_create(&thread_id, &attr, func, param);
- pthread_attr_destroy(&attr);
-
- return result;
-}
-
-#ifndef NO_CGI
-static pid_t spawn_process(struct mg_connection *conn, const char *prog,
- char *envblk, char *envp[], int fdin,
- int fdout, const char *dir) {
- pid_t pid;
- const char *interp;
-
- (void) envblk;
-
- if ((pid = fork()) == -1) {
- // Parent
- send_http_error(conn, 500, http_500_error, "fork(): %s", strerror(ERRNO));
- } else if (pid == 0) {
- // Child
- if (chdir(dir) != 0) {
- cry(conn, "%s: chdir(%s): %s", __func__, dir, strerror(ERRNO));
- } else if (dup2(fdin, 0) == -1) {
- cry(conn, "%s: dup2(%d, 0): %s", __func__, fdin, strerror(ERRNO));
- } else if (dup2(fdout, 1) == -1) {
- cry(conn, "%s: dup2(%d, 1): %s", __func__, fdout, strerror(ERRNO));
- } else {
- // Not redirecting stderr to stdout, to avoid output being littered
- // with the error messages.
- (void) close(fdin);
- (void) close(fdout);
-
- // After exec, all signal handlers are restored to their default values,
- // with one exception of SIGCHLD. According to POSIX.1-2001 and Linux's
- // implementation, SIGCHLD's handler will leave unchanged after exec
- // if it was set to be ignored. Restore it to default action.
- signal(SIGCHLD, SIG_DFL);
-
- interp = conn->ctx->config[CGI_INTERPRETER];
- if (interp == NULL) {
- (void) execle(prog, prog, NULL, envp);
- cry(conn, "%s: execle(%s): %s", __func__, prog, strerror(ERRNO));
- } else {
- (void) execle(interp, interp, prog, NULL, envp);
- cry(conn, "%s: execle(%s %s): %s", __func__, interp, prog,
- strerror(ERRNO));
- }
- }
- exit(EXIT_FAILURE);
- }
-
- return pid;
-}
-#endif // !NO_CGI
-
-static int set_non_blocking_mode(SOCKET sock) {
- int flags;
-
- flags = fcntl(sock, F_GETFL, 0);
- (void) fcntl(sock, F_SETFL, flags | O_NONBLOCK);
-
- return 0;
-}
-#endif // _WIN32
-
// Write data to the IO channel - opened file descriptor, socket or SSL
// descriptor. Return number of bytes written.
static int64_t push(FILE *fp, SOCKET sock, SSL *ssl, const char *buf,
diff --git a/build/src/unix.c b/build/src/unix.c
new file mode 100644
index 000000000..577fc3fc7
--- /dev/null
+++ b/build/src/unix.c
@@ -0,0 +1,105 @@
+#include "internal.h"
+
+#if !defined(_WIN32)
+static int mg_stat(const char *path, struct file *filep) {
+ struct stat st;
+
+ filep->modification_time = (time_t) 0;
+ if (stat(path, &st) == 0) {
+ filep->size = st.st_size;
+ filep->modification_time = st.st_mtime;
+ filep->is_directory = S_ISDIR(st.st_mode);
+
+ // See https://github.com/cesanta/mongoose/issues/109
+ // Some filesystems report modification time as 0. Artificially
+ // bump it up to mark mg_stat() success.
+ if (filep->modification_time == (time_t) 0) {
+ filep->modification_time = (time_t) 1;
+ }
+ }
+
+ return filep->modification_time != (time_t) 0;
+}
+
+static void set_close_on_exec(int fd) {
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+}
+
+int mg_start_thread(mg_thread_func_t func, void *param) {
+ pthread_t thread_id;
+ pthread_attr_t attr;
+ int result;
+
+ (void) pthread_attr_init(&attr);
+ (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+#if USE_STACK_SIZE > 1
+ // Compile-time option to control stack size, e.g. -DUSE_STACK_SIZE=16384
+ (void) pthread_attr_setstacksize(&attr, USE_STACK_SIZE);
+#endif
+
+ result = pthread_create(&thread_id, &attr, func, param);
+ pthread_attr_destroy(&attr);
+
+ return result;
+}
+
+#ifndef NO_CGI
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+ char *envblk, char *envp[], int fdin,
+ int fdout, const char *dir) {
+ pid_t pid;
+ const char *interp;
+
+ (void) envblk;
+
+ if ((pid = fork()) == -1) {
+ // Parent
+ send_http_error(conn, 500, http_500_error, "fork(): %s", strerror(ERRNO));
+ } else if (pid == 0) {
+ // Child
+ if (chdir(dir) != 0) {
+ cry(conn, "%s: chdir(%s): %s", __func__, dir, strerror(ERRNO));
+ } else if (dup2(fdin, 0) == -1) {
+ cry(conn, "%s: dup2(%d, 0): %s", __func__, fdin, strerror(ERRNO));
+ } else if (dup2(fdout, 1) == -1) {
+ cry(conn, "%s: dup2(%d, 1): %s", __func__, fdout, strerror(ERRNO));
+ } else {
+ // Not redirecting stderr to stdout, to avoid output being littered
+ // with the error messages.
+ (void) close(fdin);
+ (void) close(fdout);
+
+ // After exec, all signal handlers are restored to their default values,
+ // with one exception of SIGCHLD. According to POSIX.1-2001 and Linux's
+ // implementation, SIGCHLD's handler will leave unchanged after exec
+ // if it was set to be ignored. Restore it to default action.
+ signal(SIGCHLD, SIG_DFL);
+
+ interp = conn->ctx->config[CGI_INTERPRETER];
+ if (interp == NULL) {
+ (void) execle(prog, prog, NULL, envp);
+ cry(conn, "%s: execle(%s): %s", __func__, prog, strerror(ERRNO));
+ } else {
+ (void) execle(interp, interp, prog, NULL, envp);
+ cry(conn, "%s: execle(%s %s): %s", __func__, interp, prog,
+ strerror(ERRNO));
+ }
+ }
+ exit(EXIT_FAILURE);
+ }
+
+ return pid;
+}
+#endif // !NO_CGI
+
+static int set_non_blocking_mode(SOCKET sock) {
+ int flags;
+
+ flags = fcntl(sock, F_GETFL, 0);
+ (void) fcntl(sock, F_SETFL, flags | O_NONBLOCK);
+
+ return 0;
+}
+#endif // _WIN32
+
diff --git a/build/src/win32.c b/build/src/win32.c
new file mode 100644
index 000000000..93c7c9628
--- /dev/null
+++ b/build/src/win32.c
@@ -0,0 +1,401 @@
+#include "internal.h"
+
+#if defined(_WIN32)
+static pthread_t pthread_self(void) {
+ return GetCurrentThreadId();
+}
+
+static int pthread_mutex_init(pthread_mutex_t *mutex, void *unused) {
+ (void) unused;
+ *mutex = CreateMutex(NULL, FALSE, NULL);
+ return *mutex == NULL ? -1 : 0;
+}
+
+static int pthread_mutex_destroy(pthread_mutex_t *mutex) {
+ return CloseHandle(*mutex) == 0 ? -1 : 0;
+}
+
+static int pthread_mutex_lock(pthread_mutex_t *mutex) {
+ return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
+}
+
+static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
+ return ReleaseMutex(*mutex) == 0 ? -1 : 0;
+}
+
+static int pthread_cond_init(pthread_cond_t *cv, const void *unused) {
+ (void) unused;
+ cv->signal = CreateEvent(NULL, FALSE, FALSE, NULL);
+ cv->broadcast = CreateEvent(NULL, TRUE, FALSE, NULL);
+ return cv->signal != NULL && cv->broadcast != NULL ? 0 : -1;
+}
+
+static int pthread_cond_wait(pthread_cond_t *cv, pthread_mutex_t *mutex) {
+ HANDLE handles[] = {cv->signal, cv->broadcast};
+ ReleaseMutex(*mutex);
+ WaitForMultipleObjects(2, handles, FALSE, INFINITE);
+ return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
+}
+
+static int pthread_cond_signal(pthread_cond_t *cv) {
+ return SetEvent(cv->signal) == 0 ? -1 : 0;
+}
+
+static int pthread_cond_broadcast(pthread_cond_t *cv) {
+ // Implementation with PulseEvent() has race condition, see
+ // http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
+ return PulseEvent(cv->broadcast) == 0 ? -1 : 0;
+}
+
+static int pthread_cond_destroy(pthread_cond_t *cv) {
+ return CloseHandle(cv->signal) && CloseHandle(cv->broadcast) ? 0 : -1;
+}
+
+// For Windows, change all slashes to backslashes in path names.
+static void change_slashes_to_backslashes(char *path) {
+ int i;
+
+ for (i = 0; path[i] != '\0'; i++) {
+ if (path[i] == '/')
+ path[i] = '\\';
+ // i > 0 check is to preserve UNC paths, like \\server\file.txt
+ if (path[i] == '\\' && i > 0)
+ while (path[i + 1] == '\\' || path[i + 1] == '/')
+ (void) memmove(path + i + 1,
+ path + i + 2, strlen(path + i + 1));
+ }
+}
+
+// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
+// wbuf and wbuf_len is a target buffer and its length.
+static void to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len) {
+ char buf[PATH_MAX * 2], buf2[PATH_MAX * 2];
+
+ mg_strlcpy(buf, path, sizeof(buf));
+ change_slashes_to_backslashes(buf);
+
+ // Convert to Unicode and back. If doubly-converted string does not
+ // match the original, something is fishy, reject.
+ memset(wbuf, 0, wbuf_len * sizeof(wchar_t));
+ MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
+ WideCharToMultiByte(CP_UTF8, 0, wbuf, (int) wbuf_len, buf2, sizeof(buf2),
+ NULL, NULL);
+ if (strcmp(buf, buf2) != 0) {
+ wbuf[0] = L'\0';
+ }
+}
+
+#if defined(_WIN32_WCE)
+static time_t time(time_t *ptime) {
+ time_t t;
+ SYSTEMTIME st;
+ FILETIME ft;
+
+ GetSystemTime(&st);
+ SystemTimeToFileTime(&st, &ft);
+ t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
+
+ if (ptime != NULL) {
+ *ptime = t;
+ }
+
+ return t;
+}
+
+static struct tm *localtime(const time_t *ptime, struct tm *ptm) {
+ int64_t t = ((int64_t) *ptime) * RATE_DIFF + EPOCH_DIFF;
+ FILETIME ft, lft;
+ SYSTEMTIME st;
+ TIME_ZONE_INFORMATION tzinfo;
+
+ if (ptm == NULL) {
+ return NULL;
+ }
+
+ * (int64_t *) &ft = t;
+ FileTimeToLocalFileTime(&ft, &lft);
+ FileTimeToSystemTime(&lft, &st);
+ ptm->tm_year = st.wYear - 1900;
+ ptm->tm_mon = st.wMonth - 1;
+ ptm->tm_wday = st.wDayOfWeek;
+ ptm->tm_mday = st.wDay;
+ ptm->tm_hour = st.wHour;
+ ptm->tm_min = st.wMinute;
+ ptm->tm_sec = st.wSecond;
+ ptm->tm_yday = 0; // hope nobody uses this
+ ptm->tm_isdst =
+ GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_DAYLIGHT ? 1 : 0;
+
+ return ptm;
+}
+
+static struct tm *gmtime(const time_t *ptime, struct tm *ptm) {
+ // FIXME(lsm): fix this.
+ return localtime(ptime, ptm);
+}
+
+static size_t strftime(char *dst, size_t dst_size, const char *fmt,
+ const struct tm *tm) {
+ (void) snprintf(dst, dst_size, "implement strftime() for WinCE");
+ return 0;
+}
+#endif
+
+// Windows happily opens files with some garbage at the end of file name.
+// For example, fopen("a.cgi ", "r") on Windows successfully opens
+// "a.cgi", despite one would expect an error back.
+// This function returns non-0 if path ends with some garbage.
+static int path_cannot_disclose_cgi(const char *path) {
+ static const char *allowed_last_characters = "_-";
+ int last = path[strlen(path) - 1];
+ return isalnum(last) || strchr(allowed_last_characters, last) != NULL;
+}
+
+static int mg_stat(const char *path, struct file *filep) {
+ wchar_t wbuf[PATH_MAX] = L"\\\\?\\";
+ WIN32_FILE_ATTRIBUTE_DATA info;
+
+ filep->modification_time = 0;
+ to_unicode(path, wbuf + 4, ARRAY_SIZE(wbuf) - 4);
+ if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
+ filep->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
+ filep->modification_time = SYS2UNIX_TIME(
+ info.ftLastWriteTime.dwLowDateTime,
+ info.ftLastWriteTime.dwHighDateTime);
+ filep->is_directory = info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+ // If file name is fishy, reset the file structure and return error.
+ // Note it is important to reset, not just return the error, cause
+ // functions like is_file_opened() check the struct.
+ if (!filep->is_directory && !path_cannot_disclose_cgi(path)) {
+ memset(filep, 0, sizeof(*filep));
+ }
+ }
+
+ return filep->modification_time != 0;
+}
+
+static int mg_remove(const char *path) {
+ wchar_t wbuf[PATH_MAX];
+ to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+ return DeleteFileW(wbuf) ? 0 : -1;
+}
+
+static int mg_mkdir(const char *path, int mode) {
+ char buf[PATH_MAX];
+ wchar_t wbuf[PATH_MAX];
+
+ (void) mode;
+ mg_strlcpy(buf, path, sizeof(buf));
+ change_slashes_to_backslashes(buf);
+
+ (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, ARRAY_SIZE(wbuf));
+
+ return CreateDirectoryW(wbuf, NULL) ? 0 : -1;
+}
+
+// Implementation of POSIX opendir/closedir/readdir for Windows.
+static DIR * opendir(const char *name) {
+ DIR *dir = NULL;
+ wchar_t wpath[PATH_MAX];
+ DWORD attrs;
+
+ if (name == NULL) {
+ SetLastError(ERROR_BAD_ARGUMENTS);
+ } else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
+ SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ } else {
+ to_unicode(name, wpath, ARRAY_SIZE(wpath));
+ attrs = GetFileAttributesW(wpath);
+ if (attrs != 0xFFFFFFFF &&
+ ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
+ (void) wcscat(wpath, L"\\*");
+ dir->handle = FindFirstFileW(wpath, &dir->info);
+ dir->result.d_name[0] = '\0';
+ } else {
+ free(dir);
+ dir = NULL;
+ }
+ }
+
+ return dir;
+}
+
+static int closedir(DIR *dir) {
+ int result = 0;
+
+ if (dir != NULL) {
+ if (dir->handle != INVALID_HANDLE_VALUE)
+ result = FindClose(dir->handle) ? 0 : -1;
+
+ free(dir);
+ } else {
+ result = -1;
+ SetLastError(ERROR_BAD_ARGUMENTS);
+ }
+
+ return result;
+}
+
+static struct dirent *readdir(DIR *dir) {
+ struct dirent *result = 0;
+
+ if (dir) {
+ if (dir->handle != INVALID_HANDLE_VALUE) {
+ result = &dir->result;
+ (void) WideCharToMultiByte(CP_UTF8, 0,
+ dir->info.cFileName, -1, result->d_name,
+ sizeof(result->d_name), NULL, NULL);
+
+ if (!FindNextFileW(dir->handle, &dir->info)) {
+ (void) FindClose(dir->handle);
+ dir->handle = INVALID_HANDLE_VALUE;
+ }
+
+ } else {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ }
+ } else {
+ SetLastError(ERROR_BAD_ARGUMENTS);
+ }
+
+ return result;
+}
+
+#ifndef HAVE_POLL
+static int poll(struct pollfd *pfd, int n, int milliseconds) {
+ struct timeval tv;
+ fd_set set;
+ int i, result;
+ SOCKET maxfd = 0;
+
+ tv.tv_sec = milliseconds / 1000;
+ tv.tv_usec = (milliseconds % 1000) * 1000;
+ FD_ZERO(&set);
+
+ for (i = 0; i < n; i++) {
+ FD_SET((SOCKET) pfd[i].fd, &set);
+ pfd[i].revents = 0;
+
+ if (pfd[i].fd > maxfd) {
+ maxfd = pfd[i].fd;
+ }
+ }
+
+ if ((result = select(maxfd + 1, &set, NULL, NULL, &tv)) > 0) {
+ for (i = 0; i < n; i++) {
+ if (FD_ISSET(pfd[i].fd, &set)) {
+ pfd[i].revents = POLLIN;
+ }
+ }
+ }
+
+ return result;
+}
+#endif // HAVE_POLL
+
+static void set_close_on_exec(SOCKET sock) {
+ (void) SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
+}
+
+int mg_start_thread(mg_thread_func_t f, void *p) {
+ return (long)_beginthread((void (__cdecl *)(void *)) f, 0, p) == -1L ? -1 : 0;
+}
+
+static HANDLE dlopen(const char *dll_name, int flags) {
+ wchar_t wbuf[PATH_MAX];
+ (void) flags;
+ to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
+ return LoadLibraryW(wbuf);
+}
+
+#if !defined(NO_CGI)
+#define SIGKILL 0
+static int kill(pid_t pid, int sig_num) {
+ (void) TerminateProcess(pid, sig_num);
+ (void) CloseHandle(pid);
+ return 0;
+}
+
+static void trim_trailing_whitespaces(char *s) {
+ char *e = s + strlen(s) - 1;
+ while (e > s && isspace(* (unsigned char *) e)) {
+ *e-- = '\0';
+ }
+}
+
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+ char *envblk, char *envp[], int fdin,
+ int fdout, const char *dir) {
+ HANDLE me;
+ char *interp, full_interp[PATH_MAX], full_dir[PATH_MAX],
+ cmdline[PATH_MAX], buf[PATH_MAX];
+ FILE *fp;
+ STARTUPINFOA si;
+ PROCESS_INFORMATION pi = { 0 };
+
+ (void) envp;
+
+ memset(&si, 0, sizeof(si));
+ si.cb = sizeof(si);
+
+ // TODO(lsm): redirect CGI errors to the error log file
+ si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
+ si.wShowWindow = SW_HIDE;
+
+ me = GetCurrentProcess();
+ DuplicateHandle(me, (HANDLE) _get_osfhandle(fdin), me,
+ &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+ DuplicateHandle(me, (HANDLE) _get_osfhandle(fdout), me,
+ &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+
+ // If CGI file is a script, try to read the interpreter line
+ interp = conn->ctx->config[CGI_INTERPRETER];
+ if (interp == NULL) {
+ buf[0] = buf[1] = '\0';
+
+ // Read the first line of the script into the buffer
+ snprintf(cmdline, sizeof(cmdline), "%s%c%s", dir, '/', prog);
+ if ((fp = mg_fopen(cmdline, "r")) != NULL) {
+ fgets(buf, sizeof(buf), fp);
+ fclose(fp);
+ buf[sizeof(buf) - 1] = '\0';
+ }
+
+ if (buf[0] == '#' && buf[1] == '!') {
+ trim_trailing_whitespaces(buf + 2);
+ } else {
+ buf[2] = '\0';
+ }
+ interp = buf + 2;
+ }
+
+ if (interp[0] != '\0') {
+ GetFullPathNameA(interp, sizeof(full_interp), full_interp, NULL);
+ interp = full_interp;
+ }
+ GetFullPathNameA(dir, sizeof(full_dir), full_dir, NULL);
+
+ mg_snprintf(cmdline, sizeof(cmdline), "%s%s\"%s\\%s\"",
+ interp, interp[0] == '\0' ? "" : " ", full_dir, prog);
+
+ DEBUG_TRACE(("Running [%s]", cmdline));
+ if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
+ CREATE_NEW_PROCESS_GROUP, envblk, NULL, &si, &pi) == 0) {
+ cry(conn, "%s: CreateProcess(%s): %ld",
+ __func__, cmdline, ERRNO);
+ pi.hProcess = (pid_t) -1;
+ }
+
+ (void) CloseHandle(si.hStdOutput);
+ (void) CloseHandle(si.hStdInput);
+ (void) CloseHandle(pi.hThread);
+
+ return (pid_t) pi.hProcess;
+}
+#endif // !NO_CGI
+
+static int set_non_blocking_mode(SOCKET sock) {
+ unsigned long on = 1;
+ return ioctlsocket(sock, FIONBIO, &on);
+}
+#endif
diff --git a/mongoose.c b/mongoose.c
index fd647c86c..5bd2d8bc7 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -323,7 +323,7 @@ struct ssl_func {
void (*ptr)(void); // Function pointer
};
-static struct ssl_func ssl_sw[];
+static struct ssl_func ssl_sw[30];
#define SSL_free (* (void (*)(SSL *)) ssl_sw[0].ptr)
#define SSL_accept (* (int (*)(SSL *)) ssl_sw[1].ptr)
@@ -460,6 +460,11 @@ struct de {
static FILE *mg_fopen(const char *path, const char *mode);
static int mg_stat(const char *path, struct file *filep);
+static void send_http_error(struct mg_connection *, int, const char *,
+ PRINTF_FORMAT_STRING(const char *fmt), ...)
+ PRINTF_ARGS(4, 5);
+static void cry(struct mg_connection *conn,
+ PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
#ifdef USE_LUA
#include "lua_5.2.1.h"
@@ -1311,158 +1316,7 @@ int mg_modify_passwords_file(const char *fname, const char *domain,
return 1;
}
-// Return number of bytes left to read for this connection
-static int64_t left_to_read(const struct mg_connection *conn) {
- return conn->content_len + conn->request_len - conn->num_bytes_read;
-}
-
-static int call_user(int type, struct mg_connection *conn, void *p) {
- if (conn != NULL && conn->ctx != NULL) {
- conn->event.user_data = conn->ctx->user_data;
- conn->event.type = type;
- conn->event.event_param = p;
- conn->event.request_info = &conn->request_info;
- conn->event.conn = conn;
- }
- return conn == NULL || conn->ctx == NULL || conn->ctx->event_handler == NULL ?
- 0 : conn->ctx->event_handler(&conn->event);
-}
-
-static FILE *mg_fopen(const char *path, const char *mode) {
-#ifdef _WIN32
- wchar_t wbuf[PATH_MAX], wmode[20];
- to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
- MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, ARRAY_SIZE(wmode));
- return _wfopen(wbuf, wmode);
-#else
- return fopen(path, mode);
-#endif
-}
-
-static void sockaddr_to_string(char *buf, size_t len,
- const union usa *usa) {
- buf[0] = '\0';
-#if defined(USE_IPV6)
- inet_ntop(usa->sa.sa_family, usa->sa.sa_family == AF_INET ?
- (void *) &usa->sin.sin_addr :
- (void *) &usa->sin6.sin6_addr, buf, len);
-#elif defined(_WIN32)
- // Only Windoze Vista (and newer) have inet_ntop()
- strncpy(buf, inet_ntoa(usa->sin.sin_addr), len);
-#else
- inet_ntop(usa->sa.sa_family, (void *) &usa->sin.sin_addr, buf, len);
-#endif
-}
-
-static void cry(struct mg_connection *conn,
- PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
-
-// Print error message to the opened error log stream.
-static void cry(struct mg_connection *conn, const char *fmt, ...) {
- char buf[MG_BUF_LEN], src_addr[IP_ADDR_STR_LEN];
- va_list ap;
- FILE *fp;
- time_t timestamp;
-
- va_start(ap, fmt);
- (void) vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
-
- // Do not lock when getting the callback value, here and below.
- // I suppose this is fine, since function cannot disappear in the
- // same way string option can.
- if (call_user(MG_EVENT_LOG, conn, buf) == 0) {
- fp = conn->ctx == NULL || conn->ctx->config[ERROR_LOG_FILE] == NULL ? NULL :
- fopen(conn->ctx->config[ERROR_LOG_FILE], "a+");
-
- if (fp != NULL) {
- flockfile(fp);
- timestamp = time(NULL);
-
- sockaddr_to_string(src_addr, sizeof(src_addr), &conn->client.rsa);
- fprintf(fp, "[%010lu] [error] [client %s] ", (unsigned long) timestamp,
- src_addr);
-
- if (conn->request_info.request_method != NULL) {
- fprintf(fp, "%s %s: ", conn->request_info.request_method,
- conn->request_info.uri);
- }
-
- fprintf(fp, "%s", buf);
- fputc('\n', fp);
- funlockfile(fp);
- fclose(fp);
- }
- }
-}
-
-// Return fake connection structure. Used for logging, if connection
-// is not applicable at the moment of logging.
-static struct mg_connection *fc(struct mg_context *ctx) {
- static struct mg_connection fake_connection;
- fake_connection.ctx = ctx;
- // See https://github.com/cesanta/mongoose/issues/236
- fake_connection.event.user_data = ctx->user_data;
- return &fake_connection;
-}
-
-const char *mg_version(void) {
- return MONGOOSE_VERSION;
-}
-
-// HTTP 1.1 assumes keep alive if "Connection:" header is not set
-// This function must tolerate situations when connection info is not
-// set up, for example if request parsing failed.
-static int should_keep_alive(const struct mg_connection *conn) {
- const char *http_version = conn->request_info.http_version;
- const char *header = mg_get_header(conn, "Connection");
- if (conn->must_close ||
- conn->status_code == 401 ||
- mg_strcasecmp(conn->ctx->config[ENABLE_KEEP_ALIVE], "yes") != 0 ||
- (header != NULL && mg_strcasecmp(header, "keep-alive") != 0) ||
- (header == NULL && http_version && strcmp(http_version, "1.1"))) {
- return 0;
- }
- return 1;
-}
-
-static const char *suggest_connection_header(const struct mg_connection *conn) {
- return should_keep_alive(conn) ? "keep-alive" : "close";
-}
-
-static void send_http_error(struct mg_connection *, int, const char *,
- PRINTF_FORMAT_STRING(const char *fmt), ...)
- PRINTF_ARGS(4, 5);
-
-
-static void send_http_error(struct mg_connection *conn, int status,
- const char *reason, const char *fmt, ...) {
- char buf[MG_BUF_LEN];
- va_list ap;
- int len = 0;
-
- conn->status_code = status;
- buf[0] = '\0';
-
- // Errors 1xx, 204 and 304 MUST NOT send a body
- if (status > 199 && status != 204 && status != 304) {
- len = mg_snprintf(buf, sizeof(buf), "Error %d: %s", status, reason);
- buf[len++] = '\n';
-
- va_start(ap, fmt);
- len += mg_vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
- va_end(ap);
- }
- DEBUG_TRACE(("[%s]", buf));
-
- mg_printf(conn, "HTTP/1.1 %d %s\r\n"
- "Content-Length: %d\r\n"
- "Connection: %s\r\n\r\n", status, reason, len,
- suggest_connection_header(conn));
- conn->num_bytes_sent += mg_printf(conn, "%s", buf);
-}
-
-#if defined(_WIN32) && !defined(__SYMBIAN32__)
+#if defined(_WIN32)
static pthread_t pthread_self(void) {
return GetCurrentThreadId();
}
@@ -1860,8 +1714,9 @@ static int set_non_blocking_mode(SOCKET sock) {
unsigned long on = 1;
return ioctlsocket(sock, FIONBIO, &on);
}
+#endif
-#else
+#if !defined(_WIN32)
static int mg_stat(const char *path, struct file *filep) {
struct stat st;
@@ -1964,6 +1819,150 @@ static int set_non_blocking_mode(SOCKET sock) {
}
#endif // _WIN32
+
+// Return number of bytes left to read for this connection
+static int64_t left_to_read(const struct mg_connection *conn) {
+ return conn->content_len + conn->request_len - conn->num_bytes_read;
+}
+
+static int call_user(int type, struct mg_connection *conn, void *p) {
+ if (conn != NULL && conn->ctx != NULL) {
+ conn->event.user_data = conn->ctx->user_data;
+ conn->event.type = type;
+ conn->event.event_param = p;
+ conn->event.request_info = &conn->request_info;
+ conn->event.conn = conn;
+ }
+ return conn == NULL || conn->ctx == NULL || conn->ctx->event_handler == NULL ?
+ 0 : conn->ctx->event_handler(&conn->event);
+}
+
+static FILE *mg_fopen(const char *path, const char *mode) {
+#ifdef _WIN32
+ wchar_t wbuf[PATH_MAX], wmode[20];
+ to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+ MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, ARRAY_SIZE(wmode));
+ return _wfopen(wbuf, wmode);
+#else
+ return fopen(path, mode);
+#endif
+}
+
+static void sockaddr_to_string(char *buf, size_t len,
+ const union usa *usa) {
+ buf[0] = '\0';
+#if defined(USE_IPV6)
+ inet_ntop(usa->sa.sa_family, usa->sa.sa_family == AF_INET ?
+ (void *) &usa->sin.sin_addr :
+ (void *) &usa->sin6.sin6_addr, buf, len);
+#elif defined(_WIN32)
+ // Only Windoze Vista (and newer) have inet_ntop()
+ strncpy(buf, inet_ntoa(usa->sin.sin_addr), len);
+#else
+ inet_ntop(usa->sa.sa_family, (void *) &usa->sin.sin_addr, buf, len);
+#endif
+}
+
+// Print error message to the opened error log stream.
+static void cry(struct mg_connection *conn, const char *fmt, ...) {
+ char buf[MG_BUF_LEN], src_addr[IP_ADDR_STR_LEN];
+ va_list ap;
+ FILE *fp;
+ time_t timestamp;
+
+ va_start(ap, fmt);
+ (void) vsnprintf(buf, sizeof(buf), fmt, ap);
+ va_end(ap);
+
+ // Do not lock when getting the callback value, here and below.
+ // I suppose this is fine, since function cannot disappear in the
+ // same way string option can.
+ if (call_user(MG_EVENT_LOG, conn, buf) == 0) {
+ fp = conn->ctx == NULL || conn->ctx->config[ERROR_LOG_FILE] == NULL ? NULL :
+ fopen(conn->ctx->config[ERROR_LOG_FILE], "a+");
+
+ if (fp != NULL) {
+ flockfile(fp);
+ timestamp = time(NULL);
+
+ sockaddr_to_string(src_addr, sizeof(src_addr), &conn->client.rsa);
+ fprintf(fp, "[%010lu] [error] [client %s] ", (unsigned long) timestamp,
+ src_addr);
+
+ if (conn->request_info.request_method != NULL) {
+ fprintf(fp, "%s %s: ", conn->request_info.request_method,
+ conn->request_info.uri);
+ }
+
+ fprintf(fp, "%s", buf);
+ fputc('\n', fp);
+ funlockfile(fp);
+ fclose(fp);
+ }
+ }
+}
+
+// Return fake connection structure. Used for logging, if connection
+// is not applicable at the moment of logging.
+static struct mg_connection *fc(struct mg_context *ctx) {
+ static struct mg_connection fake_connection;
+ fake_connection.ctx = ctx;
+ // See https://github.com/cesanta/mongoose/issues/236
+ fake_connection.event.user_data = ctx->user_data;
+ return &fake_connection;
+}
+
+const char *mg_version(void) {
+ return MONGOOSE_VERSION;
+}
+
+// HTTP 1.1 assumes keep alive if "Connection:" header is not set
+// This function must tolerate situations when connection info is not
+// set up, for example if request parsing failed.
+static int should_keep_alive(const struct mg_connection *conn) {
+ const char *http_version = conn->request_info.http_version;
+ const char *header = mg_get_header(conn, "Connection");
+ if (conn->must_close ||
+ conn->status_code == 401 ||
+ mg_strcasecmp(conn->ctx->config[ENABLE_KEEP_ALIVE], "yes") != 0 ||
+ (header != NULL && mg_strcasecmp(header, "keep-alive") != 0) ||
+ (header == NULL && http_version && strcmp(http_version, "1.1"))) {
+ return 0;
+ }
+ return 1;
+}
+
+static const char *suggest_connection_header(const struct mg_connection *conn) {
+ return should_keep_alive(conn) ? "keep-alive" : "close";
+}
+
+static void send_http_error(struct mg_connection *conn, int status,
+ const char *reason, const char *fmt, ...) {
+ char buf[MG_BUF_LEN];
+ va_list ap;
+ int len = 0;
+
+ conn->status_code = status;
+ buf[0] = '\0';
+
+ // Errors 1xx, 204 and 304 MUST NOT send a body
+ if (status > 199 && status != 204 && status != 304) {
+ len = mg_snprintf(buf, sizeof(buf), "Error %d: %s", status, reason);
+ buf[len++] = '\n';
+
+ va_start(ap, fmt);
+ len += mg_vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
+ va_end(ap);
+ }
+ DEBUG_TRACE(("[%s]", buf));
+
+ mg_printf(conn, "HTTP/1.1 %d %s\r\n"
+ "Content-Length: %d\r\n"
+ "Connection: %s\r\n\r\n", status, reason, len,
+ suggest_connection_header(conn));
+ conn->num_bytes_sent += mg_printf(conn, "%s", buf);
+}
+
// Write data to the IO channel - opened file descriptor, socket or SSL
// descriptor. Return number of bytes written.
static int64_t push(FILE *fp, SOCKET sock, SSL *ssl, const char *buf,
--
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