25 #define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005
27 #define _XOPEN_SOURCE 600 // For flockfile() on Linux
28 #define _LARGEFILE_SOURCE // Enable 64-bit file offsets
29 #define __STDC_FORMAT_MACROS // <inttypes.h> wants this for C++
30 #define __STDC_LIMIT_MACROS // C++ wants that for INT64_MAX
33 #if defined(__SYMBIAN32__)
34 #define NO_SSL // SSL is not supported
35 #define NO_CGI // CGI is not supported
36 #define PATH_MAX FILENAME_MAX
37 #endif // __SYMBIAN32__
39 #ifndef _WIN32_WCE // Some ANSI #includes are not available on Windows CE
40 #include <sys/types.h>
57 #if defined(_WIN32) && !defined(__SYMBIAN32__) // Windows specific
58 #define _WIN32_WINNT 0x0400 // To make it link in VS2005
62 #define PATH_MAX MAX_PATH
71 #define NO_CGI // WinCE has no pipes
76 #define errno GetLastError()
77 #define strerror(x) _ultoa(x, (char *) _alloca(sizeof(x) *3 ), 10)
80 #define MAKEUQUAD(lo, hi) ((uint64_t)(((uint32_t)(lo)) | \
81 ((uint64_t)((uint32_t)(hi))) << 32))
82 #define RATE_DIFF 10000000 // 100 nsecs
83 #define EPOCH_DIFF MAKEUQUAD(0xd53e8000, 0x019db1de)
84 #define SYS2UNIX_TIME(lo, hi) \
85 (time_t) ((MAKEUQUAD((lo), (hi)) - EPOCH_DIFF) / RATE_DIFF)
90 #if defined(_MSC_VER) && _MSC_VER < 1300
92 #define STR(x) STRX(x)
93 #define __func__ "line " STR(__LINE__)
94 #define strtoull(x, y, z) strtoul(x, y, z)
95 #define strtoll(x, y, z) strtol(x, y, z)
97 #define __func__ __FUNCTION__
98 #define strtoull(x, y, z) _strtoui64(x, y, z)
99 #define strtoll(x, y, z) _strtoi64(x, y, z)
102 #define ERRNO GetLastError()
104 #define SSL_LIB "ssleay32.dll"
105 #define CRYPTO_LIB "libeay32.dll"
107 #define IS_DIRSEP_CHAR(c) ((c) == '/' || (c) == '\\')
109 #if !defined(EWOULDBLOCK)
110 #define EWOULDBLOCK WSAEWOULDBLOCK
111 #endif // !EWOULDBLOCK
113 #define INT64_FMT "I64d"
115 #define WINCDECL __cdecl
117 #define snprintf _snprintf
118 #define vsnprintf _vsnprintf
119 #define sleep(x) Sleep((x) * 1000)
121 #define pipe(x) _pipe(x, BUFSIZ, _O_BINARY)
122 #define popen(x, y) _popen(x, y)
123 #define pclose(x) _pclose(x)
124 #define close(x) _close(x)
125 #define dlsym(x,y) GetProcAddress((HINSTANCE) (x), (y))
127 #define fseeko(x, y, z) fseek((x), (y), (z))
128 #define fdopen(x, y) _fdopen((x), (y))
129 #define write(x, y, z) _write((x), (y), (unsigned) z)
130 #define read(x, y, z) _read((x), (y), (unsigned) z)
131 #define flockfile(x) EnterCriticalSection(&global_log_file_lock)
132 #define funlockfile(x) LeaveCriticalSection(&global_log_file_lock)
135 #define fileno(x) _fileno(x)
136 #endif // !fileno MINGW #defines fileno
138 typedef HANDLE pthread_mutex_t;
139 typedef struct {HANDLE signal, broadcast;} pthread_cond_t;
140 typedef DWORD pthread_t;
141 #define pid_t HANDLE // MINGW typedefs pid_t to int. Using #define here.
148 static int pthread_mutex_lock(pthread_mutex_t *);
149 static int pthread_mutex_unlock(pthread_mutex_t *);
150 static FILE *mg_fopen(
const char *path,
const char *mode);
152 #if defined(HAVE_STDINT)
155 typedef unsigned int uint32_t;
156 typedef unsigned short uint16_t;
157 typedef unsigned __int64 uint64_t;
158 typedef __int64 int64_t;
159 #define INT64_MAX 9223372036854775807
160 #endif // HAVE_STDINT
164 char d_name[PATH_MAX];
169 WIN32_FIND_DATAW info;
170 struct dirent result;
173 #else // UNIX specific
174 #include <sys/wait.h>
175 #include <sys/socket.h>
176 #include <sys/select.h>
177 #include <netinet/in.h>
178 #include <arpa/inet.h>
179 #include <sys/time.h>
181 #include <inttypes.h>
188 #if defined(__MACH__)
189 #define SSL_LIB "libssl.dylib"
190 #define CRYPTO_LIB "libcrypto.dylib"
192 #if !defined(SSL_LIB)
193 #define SSL_LIB "libssl.so"
195 #if !defined(CRYPTO_LIB)
196 #define CRYPTO_LIB "libcrypto.so"
200 #define IS_DIRSEP_CHAR(c) ((c) == '/')
204 #define closesocket(a) close(a)
205 #define mg_fopen(x, y) fopen(x, y)
206 #define mg_mkdir(x, y) mkdir(x, y)
207 #define mg_remove(x) remove(x)
208 #define mg_rename(x, y) rename(x, y)
210 #define INVALID_SOCKET (-1)
211 #define INT64_FMT PRId64
215 #endif // End of Windows and UNIX specific includes
217 #include "mongoose.h"
219 #define MONGOOSE_VERSION "3.1"
220 #define PASSWORDS_FILE_NAME ".htpasswd"
221 #define CGI_ENVIRONMENT_SIZE 4096
222 #define MAX_CGI_ENVIR_VARS 64
223 #define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
226 static CRITICAL_SECTION global_log_file_lock;
227 static pthread_t pthread_self(
void) {
228 return GetCurrentThreadId();
233 #define DEBUG_TRACE(x) do { \
235 printf("*** %lu.%p.%s.%d: ", \
236 (unsigned long) time(NULL), (void *) pthread_self(), \
237 __func__, __LINE__); \
241 funlockfile(stdout); \
244 #define DEBUG_TRACE(x)
249 typedef int socklen_t;
250 #endif // NO_SOCKLEN_T
252 #if !defined(MSG_NOSIGNAL)
253 #define MSG_NOSIGNAL 0
256 typedef void * (*mg_thread_func_t)(
void *);
258 static const char *http_500_error =
"Internal Server Error";
263 typedef struct ssl_st SSL;
264 typedef struct ssl_method_st SSL_METHOD;
265 typedef struct ssl_ctx_st SSL_CTX;
267 #define SSL_ERROR_WANT_READ 2
268 #define SSL_ERROR_WANT_WRITE 3
269 #define SSL_FILETYPE_PEM 1
270 #define CRYPTO_LOCK 1
272 #if defined(NO_SSL_DL)
273 extern void SSL_free(SSL *);
274 extern int SSL_accept(SSL *);
275 extern int SSL_connect(SSL *);
276 extern int SSL_read(SSL *,
void *,
int);
277 extern int SSL_write(SSL *,
const void *,
int);
278 extern int SSL_get_error(
const SSL *,
int);
279 extern int SSL_set_fd(SSL *,
int);
280 extern SSL *SSL_new(SSL_CTX *);
281 extern SSL_CTX *SSL_CTX_new(SSL_METHOD *);
282 extern SSL_METHOD *SSLv23_server_method(
void);
283 extern int SSL_library_init(
void);
284 extern void SSL_load_error_strings(
void);
285 extern int SSL_CTX_use_PrivateKey_file(SSL_CTX *,
const char *,
int);
286 extern int SSL_CTX_use_certificate_file(SSL_CTX *,
const char *,
int);
287 extern int SSL_CTX_use_certificate_chain_file(SSL_CTX *,
const char *);
288 extern void SSL_CTX_set_default_passwd_cb(SSL_CTX *, mg_callback_t);
289 extern void SSL_CTX_free(SSL_CTX *);
290 extern unsigned long ERR_get_error(
void);
291 extern char *ERR_error_string(
unsigned long,
char *);
292 extern int CRYPTO_num_locks(
void);
293 extern void CRYPTO_set_locking_callback(
void (*)(
int,
int,
const char *,
int));
294 extern void CRYPTO_set_id_callback(
unsigned long (*)(
void));
302 #define SSL_free (* (void (*)(SSL *)) ssl_sw[0].ptr)
303 #define SSL_accept (* (int (*)(SSL *)) ssl_sw[1].ptr)
304 #define SSL_connect (* (int (*)(SSL *)) ssl_sw[2].ptr)
305 #define SSL_read (* (int (*)(SSL *, void *, int)) ssl_sw[3].ptr)
306 #define SSL_write (* (int (*)(SSL *, const void *,int)) ssl_sw[4].ptr)
307 #define SSL_get_error (* (int (*)(SSL *, int)) ssl_sw[5].ptr)
308 #define SSL_set_fd (* (int (*)(SSL *, SOCKET)) ssl_sw[6].ptr)
309 #define SSL_new (* (SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr)
310 #define SSL_CTX_new (* (SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr)
311 #define SSLv23_server_method (* (SSL_METHOD * (*)(void)) ssl_sw[9].ptr)
312 #define SSL_library_init (* (int (*)(void)) ssl_sw[10].ptr)
313 #define SSL_CTX_use_PrivateKey_file (* (int (*)(SSL_CTX *, \
314 const char *, int)) ssl_sw[11].ptr)
315 #define SSL_CTX_use_certificate_file (* (int (*)(SSL_CTX *, \
316 const char *, int)) ssl_sw[12].ptr)
317 #define SSL_CTX_set_default_passwd_cb \
318 (* (void (*)(SSL_CTX *, mg_callback_t)) ssl_sw[13].ptr)
319 #define SSL_CTX_free (* (void (*)(SSL_CTX *)) ssl_sw[14].ptr)
320 #define SSL_load_error_strings (* (void (*)(void)) ssl_sw[15].ptr)
321 #define SSL_CTX_use_certificate_chain_file \
322 (* (int (*)(SSL_CTX *, const char *)) ssl_sw[16].ptr)
324 #define CRYPTO_num_locks (* (int (*)(void)) crypto_sw[0].ptr)
325 #define CRYPTO_set_locking_callback \
326 (* (void (*)(void (*)(int, int, const char *, int))) crypto_sw[1].ptr)
327 #define CRYPTO_set_id_callback \
328 (* (void (*)(unsigned long (*)(void))) crypto_sw[2].ptr)
329 #define ERR_get_error (* (unsigned long (*)(void)) crypto_sw[3].ptr)
330 #define ERR_error_string (* (char * (*)(unsigned long,char *)) crypto_sw[4].ptr)
336 static struct ssl_func ssl_sw[] = {
338 {
"SSL_accept", NULL},
339 {
"SSL_connect", NULL},
342 {
"SSL_get_error", NULL},
343 {
"SSL_set_fd", NULL},
345 {
"SSL_CTX_new", NULL},
346 {
"SSLv23_server_method", NULL},
347 {
"SSL_library_init", NULL},
348 {
"SSL_CTX_use_PrivateKey_file", NULL},
349 {
"SSL_CTX_use_certificate_file",NULL},
350 {
"SSL_CTX_set_default_passwd_cb",NULL},
351 {
"SSL_CTX_free", NULL},
352 {
"SSL_load_error_strings", NULL},
353 {
"SSL_CTX_use_certificate_chain_file", NULL},
359 static struct ssl_func crypto_sw[] = {
360 {
"CRYPTO_num_locks", NULL},
361 {
"CRYPTO_set_locking_callback", NULL},
362 {
"CRYPTO_set_id_callback", NULL},
363 {
"ERR_get_error", NULL},
364 {
"ERR_error_string", NULL},
370 static const char *month_names[] = {
371 "Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
372 "Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
379 struct sockaddr_in sin;
380 #if defined(USE_IPV6)
381 struct sockaddr_in6 sin6;
409 CGI_EXTENSIONS, CGI_ENVIRONMENT, PUT_DELETE_PASSWORDS_FILE, CGI_INTERPRETER,
410 PROTECT_URI, AUTHENTICATION_DOMAIN, SSI_EXTENSIONS, ACCESS_LOG_FILE,
411 SSL_CHAIN_FILE, ENABLE_DIRECTORY_LISTING, ERROR_LOG_FILE,
412 GLOBAL_PASSWORDS_FILE, INDEX_FILES,
413 ENABLE_KEEP_ALIVE, ACCESS_CONTROL_LIST, MAX_REQUEST_SIZE,
414 EXTRA_MIME_TYPES, LISTENING_PORTS,
415 DOCUMENT_ROOT, SSL_CERTIFICATE, NUM_THREADS, RUN_AS_USER, REWRITE,
419 static const char *config_options[] = {
420 "C",
"cgi_pattern",
"**.cgi$|**.pl$|**.php$",
421 "E",
"cgi_environment", NULL,
422 "G",
"put_delete_passwords_file", NULL,
423 "I",
"cgi_interpreter", NULL,
424 "P",
"protect_uri", NULL,
425 "R",
"authentication_domain",
"mydomain.com",
426 "S",
"ssi_pattern",
"**.shtml$|**.shtm$",
427 "a",
"access_log_file", NULL,
428 "c",
"ssl_chain_file", NULL,
429 "d",
"enable_directory_listing",
"yes",
430 "e",
"error_log_file", NULL,
431 "g",
"global_passwords_file", NULL,
432 "i",
"index_files",
"index.html,index.htm,index.cgi",
433 "k",
"enable_keep_alive",
"yes",
434 "l",
"access_control_list", NULL,
435 "M",
"max_request_size",
"16384",
436 "m",
"extra_mime_types", NULL,
437 "p",
"listening_ports",
"8080",
438 "r",
"document_root",
".",
439 "s",
"ssl_certificate", NULL,
440 "t",
"num_threads",
"10",
441 "u",
"run_as_user", NULL,
442 "w",
"url_rewrite_patterns", NULL,
445 #define ENTRIES_PER_CONFIG_OPTION 3
448 volatile int stop_flag;
450 char *config[NUM_OPTIONS];
451 mg_callback_t user_callback;
454 struct socket *listening_sockets;
456 volatile int num_threads;
457 pthread_mutex_t mutex;
460 struct socket queue[20];
461 volatile int sq_head;
462 volatile int sq_tail;
463 pthread_cond_t sq_full;
464 pthread_cond_t sq_empty;
467 struct mg_connection {
468 struct mg_request_info request_info;
469 struct mg_context *ctx;
471 struct socket client;
473 int64_t num_bytes_sent;
475 int64_t consumed_content;
484 const char **mg_get_valid_option_names(
void) {
485 return config_options;
488 static void *call_user(
struct mg_connection *conn,
enum mg_event event) {
489 conn->request_info.user_data = conn->ctx->user_data;
490 return conn->ctx->user_callback == NULL ? NULL :
491 conn->ctx->user_callback(event, conn, &conn->request_info);
494 static int get_option_index(
const char *name) {
497 for (i = 0; config_options[i] != NULL; i += ENTRIES_PER_CONFIG_OPTION) {
498 if (strcmp(config_options[i], name) == 0 ||
499 strcmp(config_options[i + 1], name) == 0) {
500 return i / ENTRIES_PER_CONFIG_OPTION;
506 const char *mg_get_option(
const struct mg_context *ctx,
const char *name) {
508 if ((i = get_option_index(name)) == -1) {
510 }
else if (ctx->config[i] == NULL) {
513 return ctx->config[i];
517 static void sockaddr_to_string(
char *buf,
size_t len,
518 const union usa *usa) {
520 #if defined(USE_IPV6)
521 inet_ntop(usa->sa.sa_family, usa->sa.sa_family == AF_INET ?
522 (
void *) &usa->sin.sin_addr :
523 (
void *) &usa->sin6.sin6_addr, buf, len);
524 #elif defined(_WIN32)
526 strncpy(buf, inet_ntoa(usa->sin.sin_addr), len);
528 inet_ntop(usa->sa.sa_family, (
void *) &usa->sin.sin_addr, buf, len);
533 static void cry(
struct mg_connection *conn,
const char *fmt, ...) {
534 char buf[BUFSIZ], src_addr[20];
540 (void) vsnprintf(buf,
sizeof(buf), fmt, ap);
546 conn->request_info.log_message = buf;
547 if (call_user(conn, MG_EVENT_LOG) == NULL) {
548 fp = conn->ctx->config[ERROR_LOG_FILE] == NULL ? NULL :
549 mg_fopen(conn->ctx->config[ERROR_LOG_FILE],
"a+");
553 timestamp = time(NULL);
555 sockaddr_to_string(src_addr,
sizeof(src_addr), &conn->client.rsa);
556 fprintf(fp,
"[%010lu] [error] [client %s] ", (
unsigned long) timestamp,
559 if (conn->request_info.request_method != NULL) {
560 fprintf(fp,
"%s %s: ", conn->request_info.request_method,
561 conn->request_info.uri);
564 (void) fprintf(fp,
"%s", buf);
572 conn->request_info.log_message = NULL;
577 static const char *ssl_error(
void) {
579 err = ERR_get_error();
580 return err == 0 ?
"" : ERR_error_string(err, NULL);
586 static struct mg_connection *fc(
struct mg_context *ctx) {
587 static struct mg_connection fake_connection;
588 fake_connection.ctx = ctx;
589 return &fake_connection;
592 const char *mg_version(
void) {
593 return MONGOOSE_VERSION;
596 static void mg_strlcpy(
register char *dst,
register const char *src,
size_t n) {
597 for (; *src !=
'\0' && n > 1; n--) {
603 static int lowercase(
const char *s) {
604 return tolower(* (
const unsigned char *) s);
607 static int mg_strncasecmp(
const char *s1,
const char *s2,
size_t len) {
612 diff = lowercase(s1++) - lowercase(s2++);
613 }
while (diff == 0 && s1[-1] !=
'\0' && --len > 0);
618 static int mg_strcasecmp(
const char *s1,
const char *s2) {
622 diff = lowercase(s1++) - lowercase(s2++);
623 }
while (diff == 0 && s1[-1] !=
'\0');
628 static char * mg_strndup(
const char *ptr,
size_t len) {
631 if ((p = (
char *) malloc(len + 1)) != NULL) {
632 mg_strlcpy(p, ptr, len + 1);
638 static char * mg_strdup(
const char *str) {
639 return mg_strndup(str, strlen(str));
646 static int mg_vsnprintf(
struct mg_connection *conn,
char *buf,
size_t buflen,
647 const char *fmt, va_list ap) {
653 n = vsnprintf(buf, buflen, fmt, ap);
656 cry(conn,
"vsnprintf error");
658 }
else if (n >= (
int) buflen) {
659 cry(conn,
"truncating vsnprintf buffer: [%.*s]",
660 n > 200 ? 200 : n, buf);
661 n = (int) buflen - 1;
668 static int mg_snprintf(
struct mg_connection *conn,
char *buf,
size_t buflen,
669 const char *fmt, ...) {
674 n = mg_vsnprintf(conn, buf, buflen, fmt, ap);
684 static char *skip_quoted(
char **buf,
const char *delimiters,
const char *whitespace,
char quotechar) {
685 char *p, *begin_word, *end_word, *end_whitespace;
688 end_word = begin_word + strcspn(begin_word, delimiters);
691 if (end_word > begin_word) {
693 while (*p == quotechar) {
695 if (*end_word ==
'\0') {
699 size_t end_off = strcspn(end_word + 1, delimiters);
700 memmove (p, end_word, end_off + 1);
702 end_word += end_off + 1;
705 for (p++; p < end_word; p++) {
710 if (*end_word ==
'\0') {
713 end_whitespace = end_word + 1 + strspn(end_word + 1, whitespace);
715 for (p = end_word; p < end_whitespace; p++) {
719 *buf = end_whitespace;
727 static char *skip(
char **buf,
const char *delimiters) {
728 return skip_quoted(buf, delimiters, delimiters, 0);
733 static const char *get_header(
const struct mg_request_info *ri,
737 for (i = 0; i < ri->num_headers; i++)
738 if (!mg_strcasecmp(name, ri->http_headers[i].name))
739 return ri->http_headers[i].value;
744 const char *mg_get_header(
const struct mg_connection *conn,
const char *name) {
745 return get_header(&conn->request_info, name);
754 static const char *next_option(
const char *list,
struct vec *val,
755 struct vec *eq_val) {
756 if (list == NULL || *list ==
'\0') {
761 if ((list = strchr(val->ptr,
',')) != NULL) {
763 val->len = list - val->ptr;
767 list = val->ptr + strlen(val->ptr);
768 val->len = list - val->ptr;
771 if (eq_val != NULL) {
775 eq_val->ptr = (
const char *) memchr(val->ptr,
'=', val->len);
776 if (eq_val->ptr != NULL) {
778 eq_val->len = val->ptr + val->len - eq_val->ptr;
779 val->len = (eq_val->ptr - val->ptr) - 1;
787 static int match_prefix(
const char *pattern,
int pattern_len,
const char *str) {
791 if ((or_str = (
const char *) memchr(pattern,
'|', pattern_len)) != NULL) {
792 res = match_prefix(pattern, or_str - pattern, str);
793 return res > 0 ? res :
794 match_prefix(or_str + 1, (pattern + pattern_len) - (or_str + 1), str);
799 for (; i < pattern_len; i++, j++) {
800 if (pattern[i] ==
'?' && str[j] !=
'\0') {
802 }
else if (pattern[i] ==
'$') {
803 return str[j] ==
'\0' ? j : -1;
804 }
else if (pattern[i] ==
'*') {
806 if (pattern[i] ==
'*') {
808 len = strlen(str + j);
810 len = strcspn(str + j,
"/");
812 if (i == pattern_len) {
816 res = match_prefix(pattern + i, pattern_len - i, str + j + len);
817 }
while (res == -1 && len-- > 0);
818 return res == -1 ? -1 : j + res + len;
819 }
else if (pattern[i] != str[j]) {
829 static int should_keep_alive(
const struct mg_connection *conn) {
830 const char *http_version = conn->request_info.http_version;
831 const char *header = mg_get_header(conn,
"Connection");
832 return (!conn->must_close &&
833 !conn->request_info.status_code != 401 &&
834 !mg_strcasecmp(conn->ctx->config[ENABLE_KEEP_ALIVE],
"yes") &&
835 (header == NULL && http_version && !strcmp(http_version,
"1.1"))) ||
836 (header != NULL && !mg_strcasecmp(header,
"keep-alive"));
839 static const char *suggest_connection_header(
const struct mg_connection *conn) {
840 return should_keep_alive(conn) ?
"keep-alive" :
"close";
843 static void send_http_error(
struct mg_connection *conn,
int status,
844 const char *reason,
const char *fmt, ...) {
849 conn->request_info.status_code = status;
851 if (call_user(conn, MG_HTTP_ERROR) == NULL) {
856 if (status > 199 && status != 204 && status != 304) {
857 len = mg_snprintf(conn, buf,
sizeof(buf),
"Error %d: %s", status, reason);
858 cry(conn,
"%s", buf);
862 len += mg_vsnprintf(conn, buf + len,
sizeof(buf) - len, fmt, ap);
865 DEBUG_TRACE((
"[%s]", buf));
867 mg_printf(conn,
"HTTP/1.1 %d %s\r\n"
868 "Content-Type: text/plain\r\n"
869 "Content-Length: %d\r\n"
870 "Connection: %s\r\n\r\n", status, reason, len,
871 suggest_connection_header(conn));
872 conn->num_bytes_sent += mg_printf(conn,
"%s", buf);
876 #if defined(_WIN32) && !defined(__SYMBIAN32__)
877 static int pthread_mutex_init(pthread_mutex_t *mutex,
void *unused) {
879 *mutex = CreateMutex(NULL, FALSE, NULL);
880 return *mutex == NULL ? -1 : 0;
883 static int pthread_mutex_destroy(pthread_mutex_t *mutex) {
884 return CloseHandle(*mutex) == 0 ? -1 : 0;
887 static int pthread_mutex_lock(pthread_mutex_t *mutex) {
888 return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
891 static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
892 return ReleaseMutex(*mutex) == 0 ? -1 : 0;
895 static int pthread_cond_init(pthread_cond_t *cv,
const void *unused) {
897 cv->signal = CreateEvent(NULL, FALSE, FALSE, NULL);
898 cv->broadcast = CreateEvent(NULL, TRUE, FALSE, NULL);
899 return cv->signal != NULL && cv->broadcast != NULL ? 0 : -1;
902 static int pthread_cond_wait(pthread_cond_t *cv, pthread_mutex_t *mutex) {
903 HANDLE handles[] = {cv->signal, cv->broadcast};
904 ReleaseMutex(*mutex);
905 WaitForMultipleObjects(2, handles, FALSE, INFINITE);
906 return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
909 static int pthread_cond_signal(pthread_cond_t *cv) {
910 return SetEvent(cv->signal) == 0 ? -1 : 0;
913 static int pthread_cond_broadcast(pthread_cond_t *cv) {
916 return PulseEvent(cv->broadcast) == 0 ? -1 : 0;
919 static int pthread_cond_destroy(pthread_cond_t *cv) {
920 return CloseHandle(cv->signal) && CloseHandle(cv->broadcast) ? 0 : -1;
924 static void change_slashes_to_backslashes(
char *path) {
927 for (i = 0; path[i] !=
'\0'; i++) {
931 if (path[i] ==
'\\' && i > 0)
932 while (path[i + 1] ==
'\\' || path[i + 1] ==
'/')
933 (void) memmove(path + i + 1,
934 path + i + 2, strlen(path + i + 1));
940 static void to_unicode(
const char *path,
wchar_t *wbuf,
size_t wbuf_len) {
941 char buf[PATH_MAX], buf2[PATH_MAX], *p;
943 mg_strlcpy(buf, path,
sizeof(buf));
944 change_slashes_to_backslashes(buf);
947 p = buf + strlen(buf) - 1;
950 while (p > buf && *p ==
'\\' && p[-1] !=
':') {
959 (*p == 0x2e && p > buf) ||
962 (void) fprintf(stderr,
"Rejecting suspicious path: [%s]", buf);
967 memset(wbuf, 0, wbuf_len *
sizeof(
wchar_t));
968 MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (
int) wbuf_len);
969 WideCharToMultiByte(CP_UTF8, 0, wbuf, (
int) wbuf_len, buf2,
sizeof(buf2),
971 if (strcmp(buf, buf2) != 0) {
977 #if defined(_WIN32_WCE)
978 static time_t time(time_t *ptime) {
984 SystemTimeToFileTime(&st, &ft);
985 t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
994 static struct tm *localtime(
const time_t *ptime,
struct tm *ptm) {
995 int64_t t = ((int64_t) *ptime) * RATE_DIFF + EPOCH_DIFF;
998 TIME_ZONE_INFORMATION tzinfo;
1004 * (int64_t *) &ft = t;
1005 FileTimeToLocalFileTime(&ft, &lft);
1006 FileTimeToSystemTime(&lft, &st);
1007 ptm->tm_year = st.wYear - 1900;
1008 ptm->tm_mon = st.wMonth - 1;
1009 ptm->tm_wday = st.wDayOfWeek;
1010 ptm->tm_mday = st.wDay;
1011 ptm->tm_hour = st.wHour;
1012 ptm->tm_min = st.wMinute;
1013 ptm->tm_sec = st.wSecond;
1016 GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_DAYLIGHT ? 1 : 0;
1021 static struct tm *gmtime(
const time_t *ptime,
struct tm *ptm) {
1023 return localtime(ptime, ptm);
1026 static size_t strftime(
char *dst,
size_t dst_size,
const char *fmt,
1027 const struct tm *tm) {
1028 (void) snprintf(dst, dst_size,
"implement strftime() for WinCE");
1033 static int mg_rename(
const char* oldname,
const char* newname) {
1034 wchar_t woldbuf[PATH_MAX];
1035 wchar_t wnewbuf[PATH_MAX];
1037 to_unicode(oldname, woldbuf, ARRAY_SIZE(woldbuf));
1038 to_unicode(newname, wnewbuf, ARRAY_SIZE(wnewbuf));
1040 return MoveFileW(woldbuf, wnewbuf) ? 0 : -1;
1044 static FILE *mg_fopen(
const char *path,
const char *mode) {
1045 wchar_t wbuf[PATH_MAX], wmode[20];
1047 to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
1048 MultiByteToWideChar(CP_UTF8, 0, mode, -1, wmode, ARRAY_SIZE(wmode));
1050 return _wfopen(wbuf, wmode);
1053 static int mg_stat(
const char *path,
struct mgstat *stp) {
1055 wchar_t wbuf[PATH_MAX];
1056 WIN32_FILE_ATTRIBUTE_DATA info;
1058 to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
1060 if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
1061 stp->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
1062 stp->mtime = SYS2UNIX_TIME(info.ftLastWriteTime.dwLowDateTime,
1063 info.ftLastWriteTime.dwHighDateTime);
1065 info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
1072 static int mg_remove(
const char *path) {
1073 wchar_t wbuf[PATH_MAX];
1074 to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
1075 return DeleteFileW(wbuf) ? 0 : -1;
1078 static int mg_mkdir(
const char *path,
int mode) {
1080 wchar_t wbuf[PATH_MAX];
1083 mg_strlcpy(buf, path,
sizeof(buf));
1084 change_slashes_to_backslashes(buf);
1086 (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf,
sizeof(wbuf));
1088 return CreateDirectoryW(wbuf, NULL) ? 0 : -1;
1092 static DIR * opendir(
const char *name) {
1094 wchar_t wpath[PATH_MAX];
1098 SetLastError(ERROR_BAD_ARGUMENTS);
1099 }
else if ((dir = (DIR *) malloc(
sizeof(*dir))) == NULL) {
1100 SetLastError(ERROR_NOT_ENOUGH_MEMORY);
1102 to_unicode(name, wpath, ARRAY_SIZE(wpath));
1103 attrs = GetFileAttributesW(wpath);
1104 if (attrs != 0xFFFFFFFF &&
1105 ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
1106 (void) wcscat(wpath, L
"\\*");
1107 dir->handle = FindFirstFileW(wpath, &dir->info);
1108 dir->result.d_name[0] =
'\0';
1118 static int closedir(DIR *dir) {
1122 if (dir->handle != INVALID_HANDLE_VALUE)
1123 result = FindClose(dir->handle) ? 0 : -1;
1128 SetLastError(ERROR_BAD_ARGUMENTS);
1134 struct dirent * readdir(DIR *dir) {
1135 struct dirent *result = 0;
1138 if (dir->handle != INVALID_HANDLE_VALUE) {
1139 result = &dir->result;
1140 (void) WideCharToMultiByte(CP_UTF8, 0,
1141 dir->info.cFileName, -1, result->d_name,
1142 sizeof(result->d_name), NULL, NULL);
1144 if (!FindNextFileW(dir->handle, &dir->info)) {
1145 (void) FindClose(dir->handle);
1146 dir->handle = INVALID_HANDLE_VALUE;
1150 SetLastError(ERROR_FILE_NOT_FOUND);
1153 SetLastError(ERROR_BAD_ARGUMENTS);
1159 #define set_close_on_exec(fd) // No FD_CLOEXEC on Windows
1161 static int start_thread(
struct mg_context *ctx, mg_thread_func_t f,
void *p) {
1162 return _beginthread((
void (__cdecl *)(
void *)) f, 0, p) == -1L ? -1 : 0;
1165 static HANDLE dlopen(
const char *dll_name,
int flags) {
1166 wchar_t wbuf[PATH_MAX];
1168 to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
1169 return LoadLibraryW(wbuf);
1172 #if !defined(NO_CGI)
1174 static int kill(pid_t pid,
int sig_num) {
1175 (void) TerminateProcess(pid, sig_num);
1176 (void) CloseHandle(pid);
1180 static pid_t spawn_process(
struct mg_connection *conn,
const char *prog,
1181 char *envblk,
char *envp[],
int fd_stdin,
1182 int fd_stdout,
const char *dir) {
1184 char *p, *interp, cmdline[PATH_MAX], buf[PATH_MAX];
1186 STARTUPINFOA si = {
sizeof(si) };
1187 PROCESS_INFORMATION pi = { 0 };
1192 si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
1193 si.wShowWindow = SW_HIDE;
1195 me = GetCurrentProcess();
1196 (void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdin), me,
1197 &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
1198 (void) DuplicateHandle(me, (HANDLE) _get_osfhandle(fd_stdout), me,
1199 &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
1202 interp = conn->ctx->config[CGI_INTERPRETER];
1203 if (interp == NULL) {
1205 mg_snprintf(conn, cmdline,
sizeof(cmdline),
"%s%c%s", dir, DIRSEP, prog);
1206 if ((fp = fopen(cmdline,
"r")) != NULL) {
1207 (void) fgets(buf,
sizeof(buf), fp);
1208 if (buf[0] !=
'#' || buf[1] !=
'!') {
1213 for (p = &buf[strlen(buf) - 1]; p > buf && isspace(*p); p--) {
1222 (void) mg_snprintf(conn, cmdline,
sizeof(cmdline),
"%s%s%s%c%s",
1223 interp, interp[0] ==
'\0' ?
"" :
" ", dir, DIRSEP, prog);
1225 DEBUG_TRACE((
"Running [%s]", cmdline));
1226 if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
1227 CREATE_NEW_PROCESS_GROUP, envblk, dir, &si, &pi) == 0) {
1228 cry(conn,
"%s: CreateProcess(%s): %d",
1229 __func__, cmdline, ERRNO);
1230 pi.hProcess = (pid_t) -1;
1232 (void) close(fd_stdin);
1233 (void) close(fd_stdout);
1236 (void) CloseHandle(si.hStdOutput);
1237 (void) CloseHandle(si.hStdInput);
1238 (void) CloseHandle(pi.hThread);
1240 return (pid_t) pi.hProcess;
1244 static int set_non_blocking_mode(SOCKET sock) {
1245 unsigned long on = 1;
1246 return ioctlsocket(sock, FIONBIO, &on);
1250 static int mg_stat(
const char *path,
struct mgstat *stp) {
1254 if (stat(path, &st) == 0) {
1256 stp->size = st.st_size;
1257 stp->mtime = st.st_mtime;
1258 stp->is_directory = S_ISDIR(st.st_mode);
1266 static void set_close_on_exec(
int fd) {
1267 (void) fcntl(fd, F_SETFD, FD_CLOEXEC);
1270 static int start_thread(
struct mg_context *ctx, mg_thread_func_t func,
1272 pthread_t thread_id;
1273 pthread_attr_t attr;
1276 (void) pthread_attr_init(&attr);
1277 (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
1281 if ((retval = pthread_create(&thread_id, &attr, func, param)) != 0) {
1282 cry(fc(ctx),
"%s: %s", __func__, strerror(retval));
1289 static pid_t spawn_process(
struct mg_connection *conn,
const char *prog,
1290 char *envblk,
char *envp[],
int fd_stdin,
1291 int fd_stdout,
const char *dir) {
1297 if ((pid = fork()) == -1) {
1299 send_http_error(conn, 500, http_500_error,
"fork(): %s", strerror(ERRNO));
1300 }
else if (pid == 0) {
1302 if (chdir(dir) != 0) {
1303 cry(conn,
"%s: chdir(%s): %s", __func__, dir, strerror(ERRNO));
1304 }
else if (dup2(fd_stdin, 0) == -1) {
1305 cry(conn,
"%s: dup2(%d, 0): %s", __func__, fd_stdin, strerror(ERRNO));
1306 }
else if (dup2(fd_stdout, 1) == -1) {
1307 cry(conn,
"%s: dup2(%d, 1): %s", __func__, fd_stdout, strerror(ERRNO));
1309 (void) dup2(fd_stdout, 2);
1310 (void) close(fd_stdin);
1311 (void) close(fd_stdout);
1314 interp = conn->ctx->config[CGI_INTERPRETER];
1315 if (interp == NULL) {
1316 (void) execle(prog, prog, NULL, envp);
1317 cry(conn,
"%s: execle(%s): %s", __func__, prog, strerror(ERRNO));
1319 (void) execle(interp, interp, prog, NULL, envp);
1320 cry(conn,
"%s: execle(%s %s): %s", __func__, interp, prog,
1327 (void) close(fd_stdin);
1328 (void) close(fd_stdout);
1335 static int set_non_blocking_mode(SOCKET sock) {
1338 flags = fcntl(sock, F_GETFL, 0);
1339 (void) fcntl(sock, F_SETFL, flags | O_NONBLOCK);
1347 static int64_t push(FILE *fp, SOCKET sock, SSL *ssl,
const char *buf,
1353 while (sent < len) {
1356 k = len - sent > INT_MAX ? INT_MAX : (int) (len - sent);
1359 n = SSL_write(ssl, buf + sent, k);
1360 }
else if (fp != NULL) {
1361 n = fwrite(buf + sent, 1, (
size_t) k, fp);
1365 n = send(sock, buf + sent, (
size_t) k, MSG_NOSIGNAL);
1379 static int pull(FILE *fp, SOCKET sock, SSL *ssl,
char *buf,
int len) {
1383 nread = SSL_read(ssl, buf, len);
1384 }
else if (fp != NULL) {
1388 nread = read(fileno(fp), buf, (
size_t) len);
1392 nread = recv(sock, buf, (
size_t) len, 0);
1398 int mg_read(
struct mg_connection *conn,
void *buf,
size_t len) {
1399 int n, buffered_len, nread;
1400 const char *buffered;
1402 assert((conn->content_len == -1 && conn->consumed_content == 0) ||
1403 conn->consumed_content <= conn->content_len);
1404 DEBUG_TRACE((
"%p %zu %lld %lld", buf, len,
1405 conn->content_len, conn->consumed_content));
1407 if (conn->consumed_content < conn->content_len) {
1410 int64_t to_read = conn->content_len - conn->consumed_content;
1411 if (to_read < (int64_t) len) {
1412 len = (int) to_read;
1416 buffered = conn->buf + conn->request_len + conn->consumed_content;
1417 buffered_len = conn->data_len - conn->request_len;
1418 assert(buffered_len >= 0);
1421 if (conn->consumed_content < (int64_t) buffered_len) {
1422 buffered_len -= (int) conn->consumed_content;
1423 if (len < (
size_t) buffered_len) {
1426 memcpy(buf, buffered, (
size_t)buffered_len);
1427 len -= buffered_len;
1428 buf = (
char *) buf + buffered_len;
1429 conn->consumed_content += buffered_len;
1430 nread = buffered_len;
1435 n = pull(NULL, conn->client.sock, conn->ssl, (
char *) buf, (
int) len);
1439 buf = (
char *) buf + n;
1440 conn->consumed_content += n;
1448 int mg_write(
struct mg_connection *conn,
const void *buf,
size_t len) {
1449 return (
int) push(NULL, conn->client.sock, conn->ssl, (
const char *) buf,
1453 int mg_printf(
struct mg_connection *conn,
const char *fmt, ...) {
1459 len = mg_vsnprintf(conn, buf,
sizeof(buf), fmt, ap);
1462 return mg_write(conn, buf, (
size_t)len);
1470 static size_t url_decode(
const char *src,
size_t src_len,
char *dst,
1471 size_t dst_len,
int is_form_url_encoded) {
1474 #define HEXTOI(x) (isdigit(x) ? x - '0' : x - 'W')
1476 for (i = j = 0; i < src_len && j < dst_len - 1; i++, j++) {
1477 if (src[i] ==
'%' &&
1478 isxdigit(* (
const unsigned char *) (src + i + 1)) &&
1479 isxdigit(* (
const unsigned char *) (src + i + 2))) {
1480 a = tolower(* (
const unsigned char *) (src + i + 1));
1481 b = tolower(* (
const unsigned char *) (src + i + 2));
1482 dst[j] = (char) ((HEXTOI(a) << 4) | HEXTOI(b));
1484 }
else if (is_form_url_encoded && src[i] ==
'+') {
1500 int mg_get_var(
const char *buf,
size_t buf_len,
const char *name,
1501 char *dst,
size_t dst_len) {
1502 const char *p, *e, *s;
1503 size_t name_len, len;
1505 name_len = strlen(name);
1511 for (p = buf; p != NULL && p + name_len < e; p++) {
1512 if ((p == buf || p[-1] ==
'&') && p[name_len] ==
'=' &&
1513 !mg_strncasecmp(name, p, name_len)) {
1519 s = (
const char *) memchr(p,
'&', (
size_t)(e - p));
1526 if ((
size_t) (s - p) < dst_len) {
1527 len = url_decode(p, (
size_t)(s - p), dst, dst_len, 1);
1536 int mg_get_cookie(
const struct mg_connection *conn,
const char *cookie_name,
1537 char *dst,
size_t dst_size) {
1538 const char *s, *p, *end;
1539 int name_len, len = -1;
1542 if ((s = mg_get_header(conn,
"Cookie")) == NULL) {
1546 name_len = strlen(cookie_name);
1547 end = s + strlen(s);
1549 for (; (s = strstr(s, cookie_name)) != NULL; s += name_len)
1550 if (s[name_len] ==
'=') {
1552 if ((p = strchr(s,
' ')) == NULL)
1556 if (*s ==
'"' && p[-1] ==
'"' && p > s + 1) {
1560 if ((
size_t) (p - s) < dst_size) {
1562 mg_strlcpy(dst, s, (
size_t)len);
1570 static int convert_uri_to_file_name(
struct mg_connection *conn,
char *buf,
1571 size_t buf_len,
struct mgstat *st) {
1573 const char *rewrite, *uri = conn->request_info.uri;
1575 int match_len, stat_result;
1579 mg_snprintf(conn, buf, buf_len,
"%s%s", conn->ctx->config[DOCUMENT_ROOT],
1582 rewrite = conn->ctx->config[REWRITE];
1583 while ((rewrite = next_option(rewrite, &a, &b)) != NULL) {
1584 if ((match_len = match_prefix(a.ptr, a.len, uri)) > 0) {
1585 mg_snprintf(conn, buf, buf_len,
"%.*s%s", b.len, b.ptr, uri + match_len);
1590 #if defined(_WIN32) && !defined(__SYMBIAN32__)
1594 if ((stat_result = mg_stat(buf, st)) != 0) {
1596 for (p = buf + strlen(buf); p > buf + 1; p--) {
1599 if (match_prefix(conn->ctx->config[CGI_EXTENSIONS],
1600 strlen(conn->ctx->config[CGI_EXTENSIONS]), buf) > 0 &&
1601 (stat_result = mg_stat(buf, st)) == 0) {
1602 conn->path_info = p + 1;
1603 memmove(p + 2, p + 1, strlen(p + 1));
1617 static int sslize(
struct mg_connection *conn,
int (*func)(SSL *)) {
1618 return (conn->ssl = SSL_new(conn->ctx->ssl_ctx)) != NULL &&
1619 SSL_set_fd(conn->ssl, conn->client.sock) == 1 &&
1620 func(conn->ssl) == 1;
1627 static int get_request_len(
const char *buf,
int buflen) {
1631 DEBUG_TRACE((
"buf: %p, len: %d", buf, buflen));
1632 for (s = buf, e = s + buflen - 1; len <= 0 && s < e; s++)
1634 if (!isprint(* (
const unsigned char *) s) && *s !=
'\r' &&
1635 *s !=
'\n' && * (
const unsigned char *) s < 128) {
1637 }
else if (s[0] ==
'\n' && s[1] ==
'\n') {
1638 len = (int) (s - buf) + 2;
1639 }
else if (s[0] ==
'\n' && &s[1] < e &&
1640 s[1] ==
'\r' && s[2] ==
'\n') {
1641 len = (int) (s - buf) + 3;
1648 static int get_month_index(
const char *s) {
1651 for (i = 0; i < ARRAY_SIZE(month_names); i++)
1652 if (!strcmp(s, month_names[i]))
1659 static time_t parse_date_string(
const char *datetime) {
1660 static const unsigned short days_before_month[] = {
1661 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
1664 int second, minute, hour, day, month, year, leap_days, days;
1665 time_t result = (time_t) 0;
1667 if (((sscanf(datetime,
"%d/%3s/%d %d:%d:%d",
1668 &day, month_str, &year, &hour, &minute, &second) == 6) ||
1669 (sscanf(datetime,
"%d %3s %d %d:%d:%d",
1670 &day, month_str, &year, &hour, &minute, &second) == 6) ||
1671 (sscanf(datetime,
"%*3s, %d %3s %d %d:%d:%d",
1672 &day, month_str, &year, &hour, &minute, &second) == 6) ||
1673 (sscanf(datetime,
"%d-%3s-%d %d:%d:%d",
1674 &day, month_str, &year, &hour, &minute, &second) == 6)) &&
1676 (month = get_month_index(month_str)) != -1) {
1678 leap_days = year / 4 - year / 100 + year / 400;
1679 days = year * 365 + days_before_month[month] + (day - 1) + leap_days;
1680 result = days * 24 * 3600 + hour * 3600 + minute * 60 + second;
1688 static void remove_double_dots_and_double_slashes(
char *s) {
1691 while (*s !=
'\0') {
1693 if (IS_DIRSEP_CHAR(s[-1])) {
1695 while (IS_DIRSEP_CHAR(s[0])) {
1700 while (*s ==
'.' && s[1] ==
'.') {
1708 static const struct {
1709 const char *extension;
1711 const char *mime_type;
1712 size_t mime_type_len;
1713 } builtin_mime_types[] = {
1714 {
".html", 5,
"text/html", 9},
1715 {
".htm", 4,
"text/html", 9},
1716 {
".shtm", 5,
"text/html", 9},
1717 {
".shtml", 6,
"text/html", 9},
1718 {
".css", 4,
"text/css", 8},
1719 {
".js", 3,
"application/x-javascript", 24},
1720 {
".ico", 4,
"image/x-icon", 12},
1721 {
".gif", 4,
"image/gif", 9},
1722 {
".jpg", 4,
"image/jpeg", 10},
1723 {
".jpeg", 5,
"image/jpeg", 10},
1724 {
".png", 4,
"image/png", 9},
1725 {
".svg", 4,
"image/svg+xml", 13},
1726 {
".torrent", 8,
"application/x-bittorrent", 24},
1727 {
".wav", 4,
"audio/x-wav", 11},
1728 {
".mp3", 4,
"audio/x-mp3", 11},
1729 {
".mid", 4,
"audio/mid", 9},
1730 {
".m3u", 4,
"audio/x-mpegurl", 15},
1731 {
".ram", 4,
"audio/x-pn-realaudio", 20},
1732 {
".xml", 4,
"text/xml", 8},
1733 {
".xslt", 5,
"application/xml", 15},
1734 {
".ra", 3,
"audio/x-pn-realaudio", 20},
1735 {
".doc", 4,
"application/msword", 19},
1736 {
".exe", 4,
"application/octet-stream", 24},
1737 {
".zip", 4,
"application/x-zip-compressed", 28},
1738 {
".xls", 4,
"application/excel", 17},
1739 {
".tgz", 4,
"application/x-tar-gz", 20},
1740 {
".tar", 4,
"application/x-tar", 17},
1741 {
".gz", 3,
"application/x-gunzip", 20},
1742 {
".arj", 4,
"application/x-arj-compressed", 28},
1743 {
".rar", 4,
"application/x-arj-compressed", 28},
1744 {
".rtf", 4,
"application/rtf", 15},
1745 {
".pdf", 4,
"application/pdf", 15},
1746 {
".swf", 4,
"application/x-shockwave-flash",29},
1747 {
".mpg", 4,
"video/mpeg", 10},
1748 {
".mpeg", 5,
"video/mpeg", 10},
1749 {
".mp4", 4,
"video/mp4", 9},
1750 {
".m4v", 4,
"video/x-m4v", 11},
1751 {
".asf", 4,
"video/x-ms-asf", 14},
1752 {
".avi", 4,
"video/x-msvideo", 15},
1753 {
".bmp", 4,
"image/bmp", 9},
1759 static void get_mime_type(
struct mg_context *ctx,
const char *path,
1761 struct vec ext_vec, mime_vec;
1762 const char *list, *ext;
1765 path_len = strlen(path);
1769 list = ctx->config[EXTRA_MIME_TYPES];
1770 while ((list = next_option(list, &ext_vec, &mime_vec)) != NULL) {
1772 ext = path + path_len - ext_vec.len;
1773 if (mg_strncasecmp(ext, ext_vec.ptr, ext_vec.len) == 0) {
1780 for (i = 0; builtin_mime_types[i].extension != NULL; i++) {
1781 ext = path + (path_len - builtin_mime_types[i].ext_len);
1782 if (path_len > builtin_mime_types[i].ext_len &&
1783 mg_strcasecmp(ext, builtin_mime_types[i].extension) == 0) {
1784 vec->ptr = builtin_mime_types[i].mime_type;
1785 vec->len = builtin_mime_types[i].mime_type_len;
1791 vec->ptr =
"text/plain";
1796 typedef struct MD5Context {
1799 unsigned char in[64];
1802 #if defined(__BYTE_ORDER) && (__BYTE_ORDER == 1234)
1803 #define byteReverse(buf, len) // Do nothing
1805 static void byteReverse(
unsigned char *buf,
unsigned longs) {
1808 t = (uint32_t) ((
unsigned) buf[3] << 8 | buf[2]) << 16 |
1809 ((
unsigned) buf[1] << 8 | buf[0]);
1810 *(uint32_t *) buf = t;
1816 #define F1(x, y, z) (z ^ (x & (y ^ z)))
1817 #define F2(x, y, z) F1(z, x, y)
1818 #define F3(x, y, z) (x ^ y ^ z)
1819 #define F4(x, y, z) (y ^ (x | ~z))
1821 #define MD5STEP(f, w, x, y, z, data, s) \
1822 ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
1826 static void MD5Init(MD5_CTX *ctx) {
1827 ctx->buf[0] = 0x67452301;
1828 ctx->buf[1] = 0xefcdab89;
1829 ctx->buf[2] = 0x98badcfe;
1830 ctx->buf[3] = 0x10325476;
1836 static void MD5Transform(uint32_t buf[4], uint32_t
const in[16]) {
1837 register uint32_t a, b, c, d;
1844 MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
1845 MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
1846 MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
1847 MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
1848 MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
1849 MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
1850 MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
1851 MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
1852 MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
1853 MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
1854 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
1855 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
1856 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
1857 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
1858 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
1859 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
1861 MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
1862 MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
1863 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
1864 MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
1865 MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
1866 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
1867 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
1868 MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
1869 MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
1870 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
1871 MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
1872 MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
1873 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
1874 MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
1875 MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
1876 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
1878 MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
1879 MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
1880 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
1881 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
1882 MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
1883 MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
1884 MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
1885 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
1886 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
1887 MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
1888 MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
1889 MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
1890 MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
1891 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
1892 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
1893 MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
1895 MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
1896 MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
1897 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
1898 MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
1899 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
1900 MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
1901 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
1902 MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
1903 MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
1904 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
1905 MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
1906 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
1907 MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
1908 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
1909 MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
1910 MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
1918 static void MD5Update(MD5_CTX *ctx,
unsigned char const *buf,
unsigned len) {
1922 if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
1924 ctx->bits[1] += len >> 29;
1926 t = (t >> 3) & 0x3f;
1929 unsigned char *p = (
unsigned char *) ctx->in + t;
1933 memcpy(p, buf, len);
1937 byteReverse(ctx->in, 16);
1938 MD5Transform(ctx->buf, (uint32_t *) ctx->in);
1944 memcpy(ctx->in, buf, 64);
1945 byteReverse(ctx->in, 16);
1946 MD5Transform(ctx->buf, (uint32_t *) ctx->in);
1951 memcpy(ctx->in, buf, len);
1954 static void MD5Final(
unsigned char digest[16], MD5_CTX *ctx) {
1958 count = (ctx->bits[0] >> 3) & 0x3F;
1960 p = ctx->in + count;
1962 count = 64 - 1 - count;
1964 memset(p, 0, count);
1965 byteReverse(ctx->in, 16);
1966 MD5Transform(ctx->buf, (uint32_t *) ctx->in);
1967 memset(ctx->in, 0, 56);
1969 memset(p, 0, count - 8);
1971 byteReverse(ctx->in, 14);
1973 ((uint32_t *) ctx->in)[14] = ctx->bits[0];
1974 ((uint32_t *) ctx->in)[15] = ctx->bits[1];
1976 MD5Transform(ctx->buf, (uint32_t *) ctx->in);
1977 byteReverse((
unsigned char *) ctx->buf, 4);
1978 memcpy(digest, ctx->buf, 16);
1979 memset((
char *) ctx, 0,
sizeof(*ctx));
1985 static void bin2str(
char *to,
const unsigned char *p,
size_t len) {
1986 static const char *hex =
"0123456789abcdef";
1988 for (; len--; p++) {
1989 *to++ = hex[p[0] >> 4];
1990 *to++ = hex[p[0] & 0x0f];
1996 void mg_md5(
char *buf, ...) {
1997 unsigned char hash[16];
2005 while ((p = va_arg(ap,
const char *)) != NULL) {
2006 MD5Update(&ctx, (
const unsigned char *) p, (
unsigned) strlen(p));
2010 MD5Final(hash, &ctx);
2011 bin2str(buf, hash,
sizeof(hash));
2015 static int check_password(
const char *method,
const char *ha1,
const char *uri,
2016 const char *nonce,
const char *nc,
const char *cnonce,
2017 const char *qop,
const char *response) {
2018 char ha2[32 + 1], expected_response[32 + 1];
2021 if (method == NULL || nonce == NULL || nc == NULL || cnonce == NULL ||
2022 qop == NULL || response == NULL) {
2029 strlen(response) != 32
2035 mg_md5(ha2, method,
":", uri, NULL);
2036 mg_md5(expected_response, ha1,
":", nonce,
":", nc,
2037 ":", cnonce,
":", qop,
":", ha2, NULL);
2039 return mg_strcasecmp(response, expected_response) == 0;
2044 static FILE *open_auth_file(
struct mg_connection *conn,
const char *path) {
2045 struct mg_context *ctx = conn->ctx;
2046 char name[PATH_MAX];
2051 if (ctx->config[GLOBAL_PASSWORDS_FILE] != NULL) {
2053 fp = mg_fopen(ctx->config[GLOBAL_PASSWORDS_FILE],
"r");
2055 cry(fc(ctx),
"fopen(%s): %s",
2056 ctx->config[GLOBAL_PASSWORDS_FILE], strerror(ERRNO));
2057 }
else if (!mg_stat(path, &st) && st.is_directory) {
2058 (void) mg_snprintf(conn, name,
sizeof(name),
"%s%c%s",
2059 path, DIRSEP, PASSWORDS_FILE_NAME);
2060 fp = mg_fopen(name,
"r");
2063 for (p = path, e = p + strlen(p) - 1; e > p; e--)
2064 if (IS_DIRSEP_CHAR(*e))
2066 (void) mg_snprintf(conn, name,
sizeof(name),
"%.*s%c%s",
2067 (int) (e - p), p, DIRSEP, PASSWORDS_FILE_NAME);
2068 fp = mg_fopen(name,
"r");
2076 char *user, *uri, *cnonce, *response, *qop, *nc, *nonce;
2079 static int parse_auth_header(
struct mg_connection *conn,
char *buf,
2080 size_t buf_size,
struct ah *ah) {
2081 char *name, *value, *s;
2082 const char *auth_header;
2084 if ((auth_header = mg_get_header(conn,
"Authorization")) == NULL ||
2085 mg_strncasecmp(auth_header,
"Digest ", 7) != 0) {
2090 (void) mg_strlcpy(buf, auth_header + 7, buf_size);
2093 (void) memset(ah, 0,
sizeof(*ah));
2098 while (isspace(* (
unsigned char *) s)) {
2101 name = skip_quoted(&s,
"=",
" ", 0);
2105 value = skip_quoted(&s,
"\"",
" ",
'\\');
2110 value = skip_quoted(&s,
", ",
" ", 0);
2112 if (*name ==
'\0') {
2116 if (!strcmp(name,
"username")) {
2118 }
else if (!strcmp(name,
"cnonce")) {
2120 }
else if (!strcmp(name,
"response")) {
2121 ah->response = value;
2122 }
else if (!strcmp(name,
"uri")) {
2124 }
else if (!strcmp(name,
"qop")) {
2126 }
else if (!strcmp(name,
"nc")) {
2128 }
else if (!strcmp(name,
"nonce")) {
2134 if (ah->user != NULL) {
2135 conn->request_info.remote_user = mg_strdup(ah->user);
2144 static int authorize(
struct mg_connection *conn, FILE *fp) {
2146 char line[256], f_user[256], ha1[256], f_domain[256], buf[BUFSIZ];
2148 if (!parse_auth_header(conn, buf,
sizeof(buf), &ah)) {
2153 while (fgets(line,
sizeof(line), fp) != NULL) {
2154 if (sscanf(line,
"%[^:]:%[^:]:%s", f_user, f_domain, ha1) != 3) {
2158 if (!strcmp(ah.user, f_user) &&
2159 !strcmp(conn->ctx->config[AUTHENTICATION_DOMAIN], f_domain))
2160 return check_password(
2161 conn->request_info.request_method,
2162 ha1, ah.uri, ah.nonce, ah.nc, ah.cnonce, ah.qop,
2170 static int check_authorization(
struct mg_connection *conn,
const char *path) {
2172 char fname[PATH_MAX];
2173 struct vec uri_vec, filename_vec;
2180 list = conn->ctx->config[PROTECT_URI];
2181 while ((list = next_option(list, &uri_vec, &filename_vec)) != NULL) {
2182 if (!memcmp(conn->request_info.uri, uri_vec.ptr, uri_vec.len)) {
2183 (void) mg_snprintf(conn, fname,
sizeof(fname),
"%.*s",
2184 filename_vec.len, filename_vec.ptr);
2185 if ((fp = mg_fopen(fname,
"r")) == NULL) {
2186 cry(conn,
"%s: cannot open %s: %s", __func__, fname, strerror(errno));
2193 fp = open_auth_file(conn, path);
2197 authorized = authorize(conn, fp);
2204 static void send_authorization_request(
struct mg_connection *conn) {
2205 conn->request_info.status_code = 401;
2206 (void) mg_printf(conn,
2207 "HTTP/1.1 401 Unauthorized\r\n"
2208 "Content-Length: 0\r\n"
2209 "WWW-Authenticate: Digest qop=\"auth\", "
2210 "realm=\"%s\", nonce=\"%lu\"\r\n\r\n",
2211 conn->ctx->config[AUTHENTICATION_DOMAIN],
2212 (
unsigned long) time(NULL));
2215 static int is_authorized_for_put(
struct mg_connection *conn) {
2219 fp = conn->ctx->config[PUT_DELETE_PASSWORDS_FILE] == NULL ? NULL :
2220 mg_fopen(conn->ctx->config[PUT_DELETE_PASSWORDS_FILE],
"r");
2223 ret = authorize(conn, fp);
2230 int mg_modify_passwords_file(
const char *fname,
const char *domain,
2231 const char *user,
const char *pass) {
2233 char line[512], u[512], d[512], ha1[33], tmp[PATH_MAX];
2240 if (pass != NULL && pass[0] ==
'\0') {
2244 (void) snprintf(tmp,
sizeof(tmp),
"%s.tmp", fname);
2247 if ((fp = mg_fopen(fname,
"a+")) != NULL) {
2252 if ((fp = mg_fopen(fname,
"r")) == NULL) {
2254 }
else if ((fp2 = mg_fopen(tmp,
"w+")) == NULL) {
2260 while (fgets(line,
sizeof(line), fp) != NULL) {
2261 if (sscanf(line,
"%[^:]:%[^:]:%*s", u, d) != 2) {
2265 if (!strcmp(u, user) && !strcmp(d, domain)) {
2268 mg_md5(ha1, user,
":", domain,
":", pass, NULL);
2269 fprintf(fp2,
"%s:%s:%s\n", user, domain, ha1);
2272 (void) fprintf(fp2,
"%s", line);
2277 if (!found && pass != NULL) {
2278 mg_md5(ha1, user,
":", domain,
":", pass, NULL);
2279 (void) fprintf(fp2,
"%s:%s:%s\n", user, domain, ha1);
2287 (void) mg_remove(fname);
2288 (void) mg_rename(tmp, fname);
2294 struct mg_connection *conn;
2299 static void url_encode(
const char *src,
char *dst,
size_t dst_len) {
2300 static const char *dont_escape =
"._-$,;~()";
2301 static const char *hex =
"0123456789abcdef";
2302 const char *end = dst + dst_len - 1;
2304 for (; *src !=
'\0' && dst < end; src++, dst++) {
2305 if (isalnum(*(
const unsigned char *) src) ||
2306 strchr(dont_escape, * (
const unsigned char *) src) != NULL) {
2308 }
else if (dst + 2 < end) {
2310 dst[1] = hex[(* (
const unsigned char *) src) >> 4];
2311 dst[2] = hex[(* (
const unsigned char *) src) & 0xf];
2319 static void print_dir_entry(
struct de *de) {
2320 char size[64], mod[64], href[PATH_MAX];
2322 if (de->st.is_directory) {
2323 (void) mg_snprintf(de->conn, size,
sizeof(size),
"%s",
"[DIRECTORY]");
2327 if (de->st.size < 1024) {
2328 (void) mg_snprintf(de->conn, size,
sizeof(size),
2329 "%lu", (
unsigned long) de->st.size);
2330 }
else if (de->st.size < 1024 * 1024) {
2331 (void) mg_snprintf(de->conn, size,
sizeof(size),
2332 "%.1fk", (double) de->st.size / 1024.0);
2333 }
else if (de->st.size < 1024 * 1024 * 1024) {
2334 (void) mg_snprintf(de->conn, size,
sizeof(size),
2335 "%.1fM", (double) de->st.size / 1048576);
2337 (void) mg_snprintf(de->conn, size,
sizeof(size),
2338 "%.1fG", (double) de->st.size / 1073741824);
2341 (void) strftime(mod,
sizeof(mod),
"%d-%b-%Y %H:%M", localtime(&de->st.mtime));
2342 url_encode(de->file_name, href,
sizeof(href));
2343 de->conn->num_bytes_sent += mg_printf(de->conn,
2344 "<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
2345 "<td> %s</td><td> %s</td></tr>\n",
2346 de->conn->request_info.uri, href, de->st.is_directory ?
"/" :
"",
2347 de->file_name, de->st.is_directory ?
"/" :
"", mod, size);
2354 static int WINCDECL compare_dir_entries(
const void *p1,
const void *p2) {
2355 const struct de *a = (
const struct de *) p1, *b = (
const struct de *) p2;
2356 const char *query_string = a->conn->request_info.query_string;
2359 if (query_string == NULL) {
2360 query_string =
"na";
2363 if (a->st.is_directory && !b->st.is_directory) {
2365 }
else if (!a->st.is_directory && b->st.is_directory) {
2367 }
else if (*query_string ==
'n') {
2368 cmp_result = strcmp(a->file_name, b->file_name);
2369 }
else if (*query_string ==
's') {
2370 cmp_result = a->st.size == b->st.size ? 0 :
2371 a->st.size > b->st.size ? 1 : -1;
2372 }
else if (*query_string ==
'd') {
2373 cmp_result = a->st.mtime == b->st.mtime ? 0 :
2374 a->st.mtime > b->st.mtime ? 1 : -1;
2377 return query_string[1] ==
'd' ? -cmp_result : cmp_result;
2380 static int scan_directory(
struct mg_connection *conn,
const char *dir,
2381 void *data,
void (*cb)(
struct de *,
void *)) {
2382 char path[PATH_MAX];
2387 if ((dirp = opendir(dir)) == NULL) {
2392 while ((dp = readdir(dirp)) != NULL) {
2394 if (!strcmp(dp->d_name,
".") ||
2395 !strcmp(dp->d_name,
"..") ||
2396 !strcmp(dp->d_name, PASSWORDS_FILE_NAME))
2399 mg_snprintf(conn, path,
sizeof(path),
"%s%c%s", dir, DIRSEP, dp->d_name);
2406 if (mg_stat(path, &de.st) != 0) {
2407 memset(&de.st, 0,
sizeof(de.st));
2409 de.file_name = dp->d_name;
2413 (void) closedir(dirp);
2418 struct dir_scan_data {
2424 static void dir_scan_callback(
struct de *de,
void *data) {
2425 struct dir_scan_data *dsd = (
struct dir_scan_data *) data;
2427 if (dsd->entries == NULL || dsd->num_entries >= dsd->arr_size) {
2429 dsd->entries = (
struct de *) realloc(dsd->entries, dsd->arr_size *
2430 sizeof(dsd->entries[0]));
2432 if (dsd->entries == NULL) {
2434 dsd->num_entries = 0;
2436 dsd->entries[dsd->num_entries].file_name = mg_strdup(de->file_name);
2437 dsd->entries[dsd->num_entries].st = de->st;
2438 dsd->entries[dsd->num_entries].conn = de->conn;
2443 static void handle_directory_request(
struct mg_connection *conn,
2445 int i, sort_direction;
2446 struct dir_scan_data data = { NULL, 0, 128 };
2448 if (!scan_directory(conn, dir, &data, dir_scan_callback)) {
2449 send_http_error(conn, 500,
"Cannot open directory",
2450 "Error: opendir(%s): %s", dir, strerror(ERRNO));
2454 sort_direction = conn->request_info.query_string != NULL &&
2455 conn->request_info.query_string[1] ==
'd' ?
'a' :
'd';
2457 conn->must_close = 1;
2458 mg_printf(conn,
"%s",
2459 "HTTP/1.1 200 OK\r\n"
2460 "Connection: close\r\n"
2461 "Content-Type: text/html; charset=utf-8\r\n\r\n");
2463 conn->num_bytes_sent += mg_printf(conn,
2464 "<html><head><title>Index of %s</title>"
2465 "<style>th {text-align: left;}</style></head>"
2466 "<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
2467 "<tr><th><a href=\"?n%c\">Name</a></th>"
2468 "<th><a href=\"?d%c\">Modified</a></th>"
2469 "<th><a href=\"?s%c\">Size</a></th></tr>"
2470 "<tr><td colspan=\"3\"><hr></td></tr>",
2471 conn->request_info.uri, conn->request_info.uri,
2472 sort_direction, sort_direction, sort_direction);
2475 conn->num_bytes_sent += mg_printf(conn,
2476 "<tr><td><a href=\"%s%s\">%s</a></td>"
2477 "<td> %s</td><td> %s</td></tr>\n",
2478 conn->request_info.uri,
"..",
"Parent directory",
"-",
"-");
2481 qsort(data.entries, (
size_t) data.num_entries,
sizeof(data.entries[0]),
2482 compare_dir_entries);
2483 for (i = 0; i < data.num_entries; i++) {
2484 print_dir_entry(&data.entries[i]);
2485 free(data.entries[i].file_name);
2489 conn->num_bytes_sent += mg_printf(conn,
"%s",
"</table></body></html>");
2490 conn->request_info.status_code = 200;
2494 static void send_file_data(
struct mg_connection *conn, FILE *fp, int64_t len) {
2496 int to_read, num_read, num_written;
2500 to_read =
sizeof(buf);
2501 if ((int64_t) to_read > len)
2502 to_read = (
int) len;
2505 if ((num_read = fread(buf, 1, (
size_t)to_read, fp)) == 0)
2509 if ((num_written = mg_write(conn, buf, (
size_t)num_read)) != num_read)
2513 conn->num_bytes_sent += num_written;
2518 static int parse_range_header(
const char *header, int64_t *a, int64_t *b) {
2519 return sscanf(header,
"bytes=%" INT64_FMT
"-%" INT64_FMT, a, b);
2522 static void gmt_time_string(
char *buf,
size_t buf_len, time_t *t) {
2523 strftime(buf, buf_len,
"%a, %d %b %Y %H:%M:%S GMT", gmtime(t));
2526 static void handle_file_request(
struct mg_connection *conn,
const char *path,
2527 struct mgstat *stp) {
2528 char date[64], lm[64], etag[64], range[64];
2529 const char *msg =
"OK", *hdr;
2530 time_t curtime = time(NULL);
2532 struct vec mime_vec;
2536 get_mime_type(conn->ctx, path, &mime_vec);
2538 conn->request_info.status_code = 200;
2541 if ((fp = mg_fopen(path,
"rb")) == NULL) {
2542 send_http_error(conn, 500, http_500_error,
2543 "fopen(%s): %s", path, strerror(ERRNO));
2546 set_close_on_exec(fileno(fp));
2550 hdr = mg_get_header(conn,
"Range");
2551 if (hdr != NULL && (n = parse_range_header(hdr, &r1, &r2)) > 0) {
2552 conn->request_info.status_code = 206;
2553 (void) fseeko(fp, (off_t) r1, SEEK_SET);
2554 cl = n == 2 ? r2 - r1 + 1: cl - r1;
2555 (void) mg_snprintf(conn, range,
sizeof(range),
2556 "Content-Range: bytes "
2558 INT64_FMT
"/%" INT64_FMT
"\r\n",
2559 r1, r1 + cl - 1, stp->size);
2560 msg =
"Partial Content";
2565 gmt_time_string(date,
sizeof(date), &curtime);
2566 gmt_time_string(lm,
sizeof(lm), &stp->mtime);
2567 (void) mg_snprintf(conn, etag,
sizeof(etag),
"%lx.%lx",
2568 (
unsigned long) stp->mtime, (
unsigned long) stp->size);
2570 (void) mg_printf(conn,
2571 "HTTP/1.1 %d %s\r\n"
2573 "Last-Modified: %s\r\n"
2575 "Content-Type: %.*s\r\n"
2576 "Content-Length: %" INT64_FMT
"\r\n"
2577 "Connection: %s\r\n"
2578 "Accept-Ranges: bytes\r\n"
2580 conn->request_info.status_code, msg, date, lm, etag, (
int) mime_vec.len,
2581 mime_vec.ptr, cl, suggest_connection_header(conn), range);
2583 if (strcmp(conn->request_info.request_method,
"HEAD") != 0) {
2584 send_file_data(conn, fp, cl);
2589 void mg_send_file(
struct mg_connection *conn,
const char *path) {
2591 if (mg_stat(path, &st) == 0) {
2592 handle_file_request(conn, path, &st);
2594 send_http_error(conn, 404,
"Not Found",
"%s",
"File not found");
2601 static void parse_http_headers(
char **buf,
struct mg_request_info *ri) {
2604 for (i = 0; i < (int) ARRAY_SIZE(ri->http_headers); i++) {
2605 ri->http_headers[i].name = skip_quoted(buf,
":",
" ", 0);
2606 ri->http_headers[i].value = skip(buf,
"\r\n");
2607 if (ri->http_headers[i].name[0] ==
'\0')
2609 ri->num_headers = i + 1;
2613 static int is_valid_http_method(
const char *method) {
2614 return !strcmp(method,
"GET") || !strcmp(method,
"POST") ||
2615 !strcmp(method,
"HEAD") || !strcmp(method,
"CONNECT") ||
2616 !strcmp(method,
"PUT") || !strcmp(method,
"DELETE") ||
2617 !strcmp(method,
"OPTIONS") || !strcmp(method,
"PROPFIND");
2621 static int parse_http_request(
char *buf,
struct mg_request_info *ri) {
2625 while (*buf !=
'\0' && isspace(* (
unsigned char *) buf)) {
2629 ri->request_method = skip(&buf,
" ");
2630 ri->uri = skip(&buf,
" ");
2631 ri->http_version = skip(&buf,
"\r\n");
2633 if (is_valid_http_method(ri->request_method) &&
2634 strncmp(ri->http_version,
"HTTP/", 5) == 0) {
2635 ri->http_version += 5;
2636 parse_http_headers(&buf, ri);
2648 static int read_request(FILE *fp, SOCKET sock, SSL *ssl,
char *buf,
int bufsiz,
2653 while (*nread < bufsiz && request_len == 0) {
2654 n = pull(fp, sock, ssl, buf + *nread, bufsiz - *nread);
2659 request_len = get_request_len(buf, *nread);
2669 static int substitute_index_file(
struct mg_connection *conn,
char *path,
2670 size_t path_len,
struct mgstat *stp) {
2671 const char *list = conn->ctx->config[INDEX_FILES];
2673 struct vec filename_vec;
2674 size_t n = strlen(path);
2680 while (n > 0 && IS_DIRSEP_CHAR(path[n - 1])) {
2687 while ((list = next_option(list, &filename_vec, NULL)) != NULL) {
2690 if (filename_vec.len > path_len - (n + 2))
2694 (void) mg_strlcpy(path + n + 1, filename_vec.ptr, filename_vec.len + 1);
2697 if (mg_stat(path, &st) == 0) {
2714 static int is_not_modified(
const struct mg_connection *conn,
2715 const struct mgstat *stp) {
2716 const char *ims = mg_get_header(conn,
"If-Modified-Since");
2717 return ims != NULL && stp->mtime <= parse_date_string(ims);
2720 static int forward_body_data(
struct mg_connection *conn, FILE *fp,
2721 SOCKET sock, SSL *ssl) {
2722 const char *expect, *buffered;
2724 int to_read, nread, buffered_len, success = 0;
2726 expect = mg_get_header(conn,
"Expect");
2729 if (conn->content_len == -1) {
2730 send_http_error(conn, 411,
"Length Required",
"");
2731 }
else if (expect != NULL && mg_strcasecmp(expect,
"100-continue")) {
2732 send_http_error(conn, 417,
"Expectation Failed",
"");
2734 if (expect != NULL) {
2735 (void) mg_printf(conn,
"%s",
"HTTP/1.1 100 Continue\r\n\r\n");
2738 buffered = conn->buf + conn->request_len;
2739 buffered_len = conn->data_len - conn->request_len;
2740 assert(buffered_len >= 0);
2741 assert(conn->consumed_content == 0);
2743 if (buffered_len > 0) {
2744 if ((int64_t) buffered_len > conn->content_len) {
2745 buffered_len = (int) conn->content_len;
2747 push(fp, sock, ssl, buffered, (int64_t) buffered_len);
2748 conn->consumed_content += buffered_len;
2751 while (conn->consumed_content < conn->content_len) {
2752 to_read =
sizeof(buf);
2753 if ((int64_t) to_read > conn->content_len - conn->consumed_content) {
2754 to_read = (int) (conn->content_len - conn->consumed_content);
2756 nread = pull(NULL, conn->client.sock, conn->ssl, buf, to_read);
2757 if (nread <= 0 || push(fp, sock, ssl, buf, nread) != nread) {
2760 conn->consumed_content += nread;
2763 if (conn->consumed_content == conn->content_len) {
2769 send_http_error(conn, 577, http_500_error,
"");
2776 #if !defined(NO_CGI)
2785 struct cgi_env_block {
2786 struct mg_connection *conn;
2787 char buf[CGI_ENVIRONMENT_SIZE];
2789 char *vars[MAX_CGI_ENVIR_VARS];
2795 static char *addenv(
struct cgi_env_block *block,
const char *fmt, ...) {
2801 space =
sizeof(block->buf) - block->len - 2;
2805 added = block->buf + block->len;
2809 n = mg_vsnprintf(block->conn, added, (
size_t) space, fmt, ap);
2813 if (n > 0 && n < space &&
2814 block->nvars < (
int) ARRAY_SIZE(block->vars) - 2) {
2816 block->vars[block->nvars++] = block->buf + block->len;
2818 block->len += n + 1;
2824 static void prepare_cgi_environment(
struct mg_connection *conn,
2826 struct cgi_env_block *blk) {
2827 const char *s, *slash;
2829 char *p, src_addr[20];
2832 blk->len = blk->nvars = 0;
2834 sockaddr_to_string(src_addr,
sizeof(src_addr), &conn->client.rsa);
2836 addenv(blk,
"SERVER_NAME=%s", conn->ctx->config[AUTHENTICATION_DOMAIN]);
2837 addenv(blk,
"SERVER_ROOT=%s", conn->ctx->config[DOCUMENT_ROOT]);
2838 addenv(blk,
"DOCUMENT_ROOT=%s", conn->ctx->config[DOCUMENT_ROOT]);
2841 addenv(blk,
"%s",
"GATEWAY_INTERFACE=CGI/1.1");
2842 addenv(blk,
"%s",
"SERVER_PROTOCOL=HTTP/1.1");
2843 addenv(blk,
"%s",
"REDIRECT_STATUS=200");
2846 addenv(blk,
"SERVER_PORT=%d", ntohs(conn->client.lsa.sin.sin_port));
2848 addenv(blk,
"REQUEST_METHOD=%s", conn->request_info.request_method);
2849 addenv(blk,
"REMOTE_ADDR=%s", src_addr);
2850 addenv(blk,
"REMOTE_PORT=%d", conn->request_info.remote_port);
2851 addenv(blk,
"REQUEST_URI=%s", conn->request_info.uri);
2854 assert(conn->request_info.uri[0] ==
'/');
2855 slash = strrchr(conn->request_info.uri,
'/');
2856 if ((s = strrchr(prog,
'/')) == NULL)
2858 addenv(blk,
"SCRIPT_NAME=%.*s%s", slash - conn->request_info.uri,
2859 conn->request_info.uri, s);
2861 addenv(blk,
"SCRIPT_FILENAME=%s", prog);
2862 addenv(blk,
"PATH_TRANSLATED=%s", prog);
2863 addenv(blk,
"HTTPS=%s", conn->ssl == NULL ?
"off" :
"on");
2865 if ((s = mg_get_header(conn,
"Content-Type")) != NULL)
2866 addenv(blk,
"CONTENT_TYPE=%s", s);
2868 if (conn->request_info.query_string != NULL)
2869 addenv(blk,
"QUERY_STRING=%s", conn->request_info.query_string);
2871 if ((s = mg_get_header(conn,
"Content-Length")) != NULL)
2872 addenv(blk,
"CONTENT_LENGTH=%s", s);
2874 if ((s = getenv(
"PATH")) != NULL)
2875 addenv(blk,
"PATH=%s", s);
2877 if (conn->path_info != NULL) {
2878 addenv(blk,
"PATH_INFO=%s", conn->path_info);
2882 if ((s = getenv(
"COMSPEC")) != NULL) {
2883 addenv(blk,
"COMSPEC=%s", s);
2885 if ((s = getenv(
"SYSTEMROOT")) != NULL) {
2886 addenv(blk,
"SYSTEMROOT=%s", s);
2888 if ((s = getenv(
"SystemDrive")) != NULL) {
2889 addenv(blk,
"SystemDrive=%s", s);
2892 if ((s = getenv(
"LD_LIBRARY_PATH")) != NULL)
2893 addenv(blk,
"LD_LIBRARY_PATH=%s", s);
2896 if ((s = getenv(
"PERLLIB")) != NULL)
2897 addenv(blk,
"PERLLIB=%s", s);
2899 if (conn->request_info.remote_user != NULL) {
2900 addenv(blk,
"REMOTE_USER=%s", conn->request_info.remote_user);
2901 addenv(blk,
"%s",
"AUTH_TYPE=Digest");
2905 for (i = 0; i < conn->request_info.num_headers; i++) {
2906 p = addenv(blk,
"HTTP_%s=%s",
2907 conn->request_info.http_headers[i].name,
2908 conn->request_info.http_headers[i].value);
2911 for (; *p !=
'=' && *p !=
'\0'; p++) {
2914 *p = (char) toupper(* (
unsigned char *) p);
2919 s = conn->ctx->config[CGI_ENVIRONMENT];
2920 while ((s = next_option(s, &var_vec, NULL)) != NULL) {
2921 addenv(blk,
"%.*s", var_vec.len, var_vec.ptr);
2924 blk->vars[blk->nvars++] = NULL;
2925 blk->buf[blk->len++] =
'\0';
2927 assert(blk->nvars < (
int) ARRAY_SIZE(blk->vars));
2928 assert(blk->len > 0);
2929 assert(blk->len < (
int)
sizeof(blk->buf));
2932 static void handle_cgi_request(
struct mg_connection *conn,
const char *prog) {
2933 int headers_len, data_len, i, fd_stdin[2], fd_stdout[2];
2934 const char *status, *status_text;
2935 char buf[BUFSIZ], *pbuf, dir[PATH_MAX], *p;
2936 struct mg_request_info ri;
2937 struct cgi_env_block blk;
2941 prepare_cgi_environment(conn, prog, &blk);
2946 (void) mg_snprintf(conn, dir,
sizeof(dir),
"%s", prog);
2947 if ((p = strrchr(dir, DIRSEP)) != NULL) {
2950 dir[0] =
'.', dir[1] =
'\0';
2955 fd_stdin[0] = fd_stdin[1] = fd_stdout[0] = fd_stdout[1] = -1;
2958 if (pipe(fd_stdin) != 0 || pipe(fd_stdout) != 0) {
2959 send_http_error(conn, 500, http_500_error,
2960 "Cannot create CGI pipe: %s", strerror(ERRNO));
2962 }
else if ((pid = spawn_process(conn, p, blk.buf, blk.vars,
2963 fd_stdin[0], fd_stdout[1], dir)) == (pid_t) -1) {
2965 }
else if ((in = fdopen(fd_stdin[1],
"wb")) == NULL ||
2966 (out = fdopen(fd_stdout[0],
"rb")) == NULL) {
2967 send_http_error(conn, 500, http_500_error,
2968 "fopen: %s", strerror(ERRNO));
2979 fd_stdin[0] = fd_stdout[1] = -1;
2982 if (!strcmp(conn->request_info.request_method,
"POST") &&
2983 !forward_body_data(conn, in, INVALID_SOCKET, NULL)) {
2992 headers_len = read_request(out, INVALID_SOCKET, NULL,
2993 buf,
sizeof(buf), &data_len);
2994 if (headers_len <= 0) {
2995 send_http_error(conn, 500, http_500_error,
2996 "CGI program sent malformed HTTP headers: [%.*s]",
3001 buf[headers_len - 1] =
'\0';
3002 parse_http_headers(&pbuf, &ri);
3006 if ((status = get_header(&ri,
"Status")) != NULL) {
3007 conn->request_info.status_code = atoi(status);
3008 status_text = status;
3009 while (isdigit(* (
unsigned char *) status_text) || *status_text ==
' ') {
3012 }
else if (get_header(&ri,
"Location") != NULL) {
3013 conn->request_info.status_code = 302;
3015 conn->request_info.status_code = 200;
3017 if (get_header(&ri,
"Connection") != NULL &&
3018 !mg_strcasecmp(get_header(&ri,
"Connection"),
"keep-alive")) {
3019 conn->must_close = 1;
3021 (void) mg_printf(conn,
"HTTP/1.1 %d %s\r\n", conn->request_info.status_code,
3025 for (i = 0; i < ri.num_headers; i++) {
3026 mg_printf(conn,
"%s: %s\r\n",
3027 ri.http_headers[i].name, ri.http_headers[i].value);
3029 (void) mg_write(conn,
"\r\n", 2);
3032 conn->num_bytes_sent += mg_write(conn, buf + headers_len,
3033 (
size_t)(data_len - headers_len));
3036 send_file_data(conn, out, INT64_MAX);
3039 if (pid != (pid_t) -1) {
3042 if (fd_stdin[0] != -1) {
3043 (void) close(fd_stdin[0]);
3045 if (fd_stdout[1] != -1) {
3046 (void) close(fd_stdout[1]);
3051 }
else if (fd_stdin[1] != -1) {
3052 (void) close(fd_stdin[1]);
3057 }
else if (fd_stdout[0] != -1) {
3058 (void) close(fd_stdout[0]);
3066 static int put_dir(
const char *path) {
3072 for (s = p = path + 2; (p = strchr(s, DIRSEP)) != NULL; s = ++p) {
3074 if (len >= (
int)
sizeof(buf)) {
3078 memcpy(buf, path, len);
3082 DEBUG_TRACE((
"mkdir(%s)", buf));
3083 if (mg_stat(buf, &st) == -1 && mg_mkdir(buf, 0755) != 0) {
3097 static void put_file(
struct mg_connection *conn,
const char *path) {
3104 conn->request_info.status_code = mg_stat(path, &st) == 0 ? 200 : 201;
3106 if ((rc = put_dir(path)) == 0) {
3107 mg_printf(conn,
"HTTP/1.1 %d OK\r\n\r\n", conn->request_info.status_code);
3108 }
else if (rc == -1) {
3109 send_http_error(conn, 500, http_500_error,
3110 "put_dir(%s): %s", path, strerror(ERRNO));
3111 }
else if ((fp = mg_fopen(path,
"wb+")) == NULL) {
3112 send_http_error(conn, 500, http_500_error,
3113 "fopen(%s): %s", path, strerror(ERRNO));
3115 set_close_on_exec(fileno(fp));
3116 range = mg_get_header(conn,
"Content-Range");
3118 if (range != NULL && parse_range_header(range, &r1, &r2) > 0) {
3119 conn->request_info.status_code = 206;
3121 (void) fseeko(fp, (off_t) r1, SEEK_SET);
3123 if (forward_body_data(conn, fp, INVALID_SOCKET, NULL))
3124 (
void) mg_printf(conn,
"HTTP/1.1 %d OK\r\n\r\n",
3125 conn->request_info.status_code);
3130 static void send_ssi_file(
struct mg_connection *,
const char *, FILE *,
int);
3132 static void do_ssi_include(
struct mg_connection *conn,
const char *ssi,
3133 char *tag,
int include_level) {
3134 char file_name[BUFSIZ], path[PATH_MAX], *p;
3139 if (sscanf(tag,
" virtual=\"%[^\"]\"", file_name) == 1) {
3141 (void) mg_snprintf(conn, path,
sizeof(path),
"%s%c%s",
3142 conn->ctx->config[DOCUMENT_ROOT], DIRSEP, file_name);
3143 }
else if (sscanf(tag,
" file=\"%[^\"]\"", file_name) == 1) {
3146 (void) mg_snprintf(conn, path,
sizeof(path),
"%s", file_name);
3147 }
else if (sscanf(tag,
" \"%[^\"]\"", file_name) == 1) {
3149 (void) mg_snprintf(conn, path,
sizeof(path),
"%s", ssi);
3150 if ((p = strrchr(path, DIRSEP)) != NULL) {
3153 (void) mg_snprintf(conn, path + strlen(path),
3154 sizeof(path) - strlen(path),
"%s", file_name);
3156 cry(conn,
"Bad SSI #include: [%s]", tag);
3160 if ((fp = mg_fopen(path,
"rb")) == NULL) {
3161 cry(conn,
"Cannot open SSI #include: [%s]: fopen(%s): %s",
3162 tag, path, strerror(ERRNO));
3164 set_close_on_exec(fileno(fp));
3165 if (match_prefix(conn->ctx->config[SSI_EXTENSIONS],
3166 strlen(conn->ctx->config[SSI_EXTENSIONS]), path) > 0) {
3167 send_ssi_file(conn, path, fp, include_level + 1);
3169 send_file_data(conn, fp, INT64_MAX);
3175 #if !defined(NO_POPEN)
3176 static void do_ssi_exec(
struct mg_connection *conn,
char *tag) {
3180 if (sscanf(tag,
" \"%[^\"]\"", cmd) != 1) {
3181 cry(conn,
"Bad SSI #exec: [%s]", tag);
3182 }
else if ((fp = popen(cmd,
"r")) == NULL) {
3183 cry(conn,
"Cannot SSI #exec: [%s]: %s", cmd, strerror(ERRNO));
3185 send_file_data(conn, fp, INT64_MAX);
3191 static void send_ssi_file(
struct mg_connection *conn,
const char *path,
3192 FILE *fp,
int include_level) {
3194 int ch, len, in_ssi_tag;
3196 if (include_level > 10) {
3197 cry(conn,
"SSI #include level is too deep (%s)", path);
3204 while ((ch = fgetc(fp)) != EOF) {
3205 if (in_ssi_tag && ch ==
'>') {
3207 buf[len++] = (char) ch;
3209 assert(len <= (
int)
sizeof(buf));
3210 if (len < 6 || memcmp(buf,
"<!--#", 5) != 0) {
3212 (void) mg_write(conn, buf, (
size_t)len);
3214 if (!memcmp(buf + 5,
"include", 7)) {
3215 do_ssi_include(conn, path, buf + 12, include_level);
3216 #if !defined(NO_POPEN)
3217 }
else if (!memcmp(buf + 5,
"exec", 4)) {
3218 do_ssi_exec(conn, buf + 9);
3221 cry(conn,
"%s: unknown SSI " "command: \"%s\"", path, buf);
3225 }
else if (in_ssi_tag) {
3226 if (len == 5 && memcmp(buf,
"<!--#", 5) != 0) {
3229 }
else if (len == (
int)
sizeof(buf) - 2) {
3230 cry(conn,
"%s: SSI tag is too large", path);
3233 buf[len++] = ch & 0xff;
3234 }
else if (ch ==
'<') {
3237 (void) mg_write(conn, buf, (
size_t)len);
3240 buf[len++] = ch & 0xff;
3242 buf[len++] = ch & 0xff;
3243 if (len == (
int)
sizeof(buf)) {
3244 (void) mg_write(conn, buf, (
size_t)len);
3252 (void) mg_write(conn, buf, (
size_t)len);
3256 static void handle_ssi_file_request(
struct mg_connection *conn,
3260 if ((fp = mg_fopen(path,
"rb")) == NULL) {
3261 send_http_error(conn, 500, http_500_error,
"fopen(%s): %s", path,
3264 conn->must_close = 1;
3265 set_close_on_exec(fileno(fp));
3266 mg_printf(conn,
"HTTP/1.1 200 OK\r\n"
3267 "Content-Type: text/html\r\nConnection: %s\r\n\r\n",
3268 suggest_connection_header(conn));
3269 send_ssi_file(conn, path, fp, 0);
3274 static void send_options(
struct mg_connection *conn) {
3275 conn->request_info.status_code = 200;
3277 (void) mg_printf(conn,
3278 "HTTP/1.1 200 OK\r\n"
3279 "Allow: GET, POST, HEAD, CONNECT, PUT, DELETE, OPTIONS\r\n"
3284 static void print_props(
struct mg_connection *conn,
const char* uri,
3285 struct mgstat* st) {
3287 gmt_time_string(mtime,
sizeof(mtime), &st->mtime);
3288 conn->num_bytes_sent += mg_printf(conn,
3290 "<d:href>%s</d:href>"
3293 "<d:resourcetype>%s</d:resourcetype>"
3294 "<d:getcontentlength>%" INT64_FMT
"</d:getcontentlength>"
3295 "<d:getlastmodified>%s</d:getlastmodified>"
3297 "<d:status>HTTP/1.1 200 OK</d:status>"
3301 st->is_directory ?
"<d:collection/>" :
"",
3306 static void print_dav_dir_entry(
struct de *de,
void *data) {
3307 char href[PATH_MAX];
3308 struct mg_connection *conn = (
struct mg_connection *) data;
3309 mg_snprintf(conn, href,
sizeof(href),
"%s%s",
3310 conn->request_info.uri, de->file_name);
3311 print_props(conn, href, &de->st);
3314 static void handle_propfind(
struct mg_connection *conn,
const char* path,
3315 struct mgstat* st) {
3316 const char *depth = mg_get_header(conn,
"Depth");
3318 conn->must_close = 1;
3319 conn->request_info.status_code = 207;
3320 mg_printf(conn,
"HTTP/1.1 207 Multi-Status\r\n"
3321 "Connection: close\r\n"
3322 "Content-Type: text/xml; charset=utf-8\r\n\r\n");
3324 conn->num_bytes_sent += mg_printf(conn,
3325 "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
3326 "<d:multistatus xmlns:d='DAV:'>\n");
3329 print_props(conn, conn->request_info.uri, st);
3332 if (st->is_directory &&
3333 !mg_strcasecmp(conn->ctx->config[ENABLE_DIRECTORY_LISTING],
"yes") &&
3334 (depth == NULL || strcmp(depth,
"0") != 0)) {
3335 scan_directory(conn, path, conn, &print_dav_dir_entry);
3338 conn->num_bytes_sent += mg_printf(conn,
"%s\n",
"</d:multistatus>");
3345 static void handle_request(
struct mg_connection *conn) {
3346 struct mg_request_info *ri = &conn->request_info;
3347 char path[PATH_MAX];
3348 int stat_result, uri_len;
3351 if ((conn->request_info.query_string = strchr(ri->uri,
'?')) != NULL) {
3352 * conn->request_info.query_string++ =
'\0';
3354 uri_len = strlen(ri->uri);
3355 url_decode(ri->uri, (
size_t)uri_len, ri->uri, (
size_t)(uri_len + 1), 0);
3356 remove_double_dots_and_double_slashes(ri->uri);
3357 stat_result = convert_uri_to_file_name(conn, path,
sizeof(path), &st);
3359 DEBUG_TRACE((
"%s", ri->uri));
3360 if (!check_authorization(conn, path)) {
3361 send_authorization_request(conn);
3362 }
else if (call_user(conn, MG_NEW_REQUEST) != NULL) {
3364 }
else if (!strcmp(ri->request_method,
"OPTIONS")) {
3366 }
else if (strstr(path, PASSWORDS_FILE_NAME)) {
3368 send_http_error(conn, 403,
"Forbidden",
"Access Forbidden");
3369 }
else if (conn->ctx->config[DOCUMENT_ROOT] == NULL) {
3370 send_http_error(conn, 404,
"Not Found",
"Not Found");
3371 }
else if ((!strcmp(ri->request_method,
"PUT") ||
3372 !strcmp(ri->request_method,
"DELETE")) &&
3373 (conn->ctx->config[PUT_DELETE_PASSWORDS_FILE] == NULL ||
3374 !is_authorized_for_put(conn))) {
3375 send_authorization_request(conn);
3376 }
else if (!strcmp(ri->request_method,
"PUT")) {
3377 put_file(conn, path);
3378 }
else if (!strcmp(ri->request_method,
"DELETE")) {
3379 if (mg_remove(path) == 0) {
3380 send_http_error(conn, 200,
"OK",
"");
3382 send_http_error(conn, 500, http_500_error,
"remove(%s): %s", path,
3385 }
else if (stat_result != 0) {
3386 send_http_error(conn, 404,
"Not Found",
"%s",
"File not found");
3387 }
else if (st.is_directory && ri->uri[uri_len - 1] !=
'/') {
3388 (void) mg_printf(conn,
3389 "HTTP/1.1 301 Moved Permanently\r\n"
3390 "Location: %s/\r\n\r\n", ri->uri);
3391 }
else if (!strcmp(ri->request_method,
"PROPFIND")) {
3392 handle_propfind(conn, path, &st);
3393 }
else if (st.is_directory &&
3394 !substitute_index_file(conn, path,
sizeof(path), &st)) {
3395 if (!mg_strcasecmp(conn->ctx->config[ENABLE_DIRECTORY_LISTING],
"yes")) {
3396 handle_directory_request(conn, path);
3398 send_http_error(conn, 403,
"Directory Listing Denied",
3399 "Directory listing denied");
3401 #if !defined(NO_CGI)
3402 }
else if (match_prefix(conn->ctx->config[CGI_EXTENSIONS],
3403 strlen(conn->ctx->config[CGI_EXTENSIONS]),
3405 if (strcmp(ri->request_method,
"POST") &&
3406 strcmp(ri->request_method,
"GET")) {
3407 send_http_error(conn, 501,
"Not Implemented",
3408 "Method %s is not implemented", ri->request_method);
3410 handle_cgi_request(conn, path);
3413 }
else if (match_prefix(conn->ctx->config[SSI_EXTENSIONS],
3414 strlen(conn->ctx->config[SSI_EXTENSIONS]),
3416 handle_ssi_file_request(conn, path);
3417 }
else if (is_not_modified(conn, &st)) {
3418 send_http_error(conn, 304,
"Not Modified",
"");
3420 handle_file_request(conn, path, &st);
3424 static void close_all_listening_sockets(
struct mg_context *ctx) {
3425 struct socket *sp, *tmp;
3426 for (sp = ctx->listening_sockets; sp != NULL; sp = tmp) {
3428 (void) closesocket(sp->sock);
3436 static int parse_port_string(
const struct vec *vec,
struct socket *so) {
3437 int a, b, c, d, port, len;
3442 memset(so, 0,
sizeof(*so));
3444 if (sscanf(vec->ptr,
"%d.%d.%d.%d:%d%n", &a, &b, &c, &d, &port, &len) == 5) {
3446 so->lsa.sin.sin_addr.s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
3447 }
else if (sscanf(vec->ptr,
"%d%n", &port, &len) != 1 ||
3449 len > (
int) vec->len ||
3450 (vec->ptr[len] && vec->ptr[len] !=
's' && vec->ptr[len] !=
',')) {
3454 so->is_ssl = vec->ptr[len] ==
's';
3455 #if defined(USE_IPV6)
3456 so->lsa.sin6.sin6_family = AF_INET6;
3457 so->lsa.sin6.sin6_port = htons((uint16_t) port);
3459 so->lsa.sin.sin_family = AF_INET;
3460 so->lsa.sin.sin_port = htons((uint16_t) port);
3466 static int set_ports_option(
struct mg_context *ctx) {
3467 const char *list = ctx->config[LISTENING_PORTS];
3468 int on = 1, success = 1;
3471 struct socket so, *listener;
3473 while (success && (list = next_option(list, &vec, NULL)) != NULL) {
3474 if (!parse_port_string(&vec, &so)) {
3475 cry(fc(ctx),
"%s: %.*s: invalid port spec. Expecting list of: %s",
3476 __func__, vec.len, vec.ptr,
"[IP_ADDRESS:]PORT[s|p]");
3478 }
else if (so.is_ssl && ctx->ssl_ctx == NULL) {
3479 cry(fc(ctx),
"Cannot add SSL socket, is -ssl_certificate option set?");
3481 }
else if ((sock = socket(so.lsa.sa.sa_family, SOCK_STREAM, 6)) ==
3483 #
if !defined(_WIN32)
3486 setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on,
3496 setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (
void *) &on,
3498 bind(sock, &so.lsa.sa,
sizeof(so.lsa)) != 0 ||
3499 listen(sock, 100) != 0) {
3501 cry(fc(ctx),
"%s: cannot bind to %.*s: %s", __func__,
3502 vec.len, vec.ptr, strerror(ERRNO));
3504 }
else if ((listener = (
struct socket *)
3505 calloc(1,
sizeof(*listener))) == NULL) {
3507 cry(fc(ctx),
"%s: %s", __func__, strerror(ERRNO));
3511 listener->sock = sock;
3512 set_close_on_exec(listener->sock);
3513 listener->next = ctx->listening_sockets;
3514 ctx->listening_sockets = listener;
3519 close_all_listening_sockets(ctx);
3525 static void log_header(
const struct mg_connection *conn,
const char *header,
3527 const char *header_value;
3529 if ((header_value = mg_get_header(conn, header)) == NULL) {
3530 (void) fprintf(fp,
"%s",
" -");
3532 (void) fprintf(fp,
" \"%s\"", header_value);
3536 static void log_access(
const struct mg_connection *conn) {
3537 const struct mg_request_info *ri;
3539 char date[64], src_addr[20];
3541 fp = conn->ctx->config[ACCESS_LOG_FILE] == NULL ? NULL :
3542 mg_fopen(conn->ctx->config[ACCESS_LOG_FILE],
"a+");
3547 strftime(date,
sizeof(date),
"%d/%b/%Y:%H:%M:%S %z",
3548 localtime(&conn->birth_time));
3550 ri = &conn->request_info;
3553 sockaddr_to_string(src_addr,
sizeof(src_addr), &conn->client.rsa);
3554 fprintf(fp,
"%s - %s [%s] \"%s %s HTTP/%s\" %d %" INT64_FMT,
3555 src_addr, ri->remote_user == NULL ?
"-" : ri->remote_user, date,
3556 ri->request_method ? ri->request_method :
"-",
3557 ri->uri ? ri->uri :
"-", ri->http_version,
3558 conn->request_info.status_code, conn->num_bytes_sent);
3559 log_header(conn,
"Referer", fp);
3560 log_header(conn,
"User-Agent", fp);
3568 static int isbyte(
int n) {
3569 return n >= 0 && n <= 255;
3574 static int check_acl(
struct mg_context *ctx,
const union usa *usa) {
3575 int a, b, c, d, n, mask, allowed;
3577 uint32_t acl_subnet, acl_mask, remote_ip;
3579 const char *list = ctx->config[ACCESS_CONTROL_LIST];
3585 (void) memcpy(&remote_ip, &usa->sin.sin_addr,
sizeof(remote_ip));
3590 while ((list = next_option(list, &vec, NULL)) != NULL) {
3593 if (sscanf(vec.ptr,
"%c%d.%d.%d.%d%n", &flag, &a, &b, &c, &d, &n) != 5) {
3594 cry(fc(ctx),
"%s: subnet must be [+|-]x.x.x.x[/x]", __func__);
3596 }
else if (flag !=
'+' && flag !=
'-') {
3597 cry(fc(ctx),
"%s: flag must be + or -: [%s]", __func__, vec.ptr);
3599 }
else if (!isbyte(a)||!isbyte(b)||!isbyte(c)||!isbyte(d)) {
3600 cry(fc(ctx),
"%s: bad ip address: [%s]", __func__, vec.ptr);
3602 }
else if (sscanf(vec.ptr + n,
"/%d", &mask) == 0) {
3604 }
else if (mask < 0 || mask > 32) {
3605 cry(fc(ctx),
"%s: bad subnet mask: %d [%s]", __func__, n, vec.ptr);
3609 acl_subnet = (a << 24) | (b << 16) | (c << 8) | d;
3610 acl_mask = mask ? 0xffffffffU << (32 - mask) : 0;
3612 if (acl_subnet == (ntohl(remote_ip) & acl_mask)) {
3617 return allowed ==
'+';
3620 static void add_to_set(SOCKET fd, fd_set *
set,
int *max_fd) {
3622 if (fd > (SOCKET) *max_fd) {
3627 #if !defined(_WIN32)
3628 static int set_uid_option(
struct mg_context *ctx) {
3630 const char *uid = ctx->config[RUN_AS_USER];
3636 if ((pw = getpwnam(uid)) == NULL) {
3637 cry(fc(ctx),
"%s: unknown user [%s]", __func__, uid);
3638 }
else if (setgid(pw->pw_gid) == -1) {
3639 cry(fc(ctx),
"%s: setgid(%s): %s", __func__, uid, strerror(errno));
3640 }
else if (setuid(pw->pw_uid) == -1) {
3641 cry(fc(ctx),
"%s: setuid(%s): %s", __func__, uid, strerror(errno));
3651 #if !defined(NO_SSL)
3652 static pthread_mutex_t *ssl_mutexes;
3654 static void ssl_locking_callback(
int mode,
int mutex_num,
const char *file,
3659 if (mode & CRYPTO_LOCK) {
3660 (void) pthread_mutex_lock(&ssl_mutexes[mutex_num]);
3662 (void) pthread_mutex_unlock(&ssl_mutexes[mutex_num]);
3666 static unsigned long ssl_id_callback(
void) {
3667 return (
unsigned long) pthread_self();
3670 #if !defined(NO_SSL_DL)
3671 static int load_dll(
struct mg_context *ctx,
const char *dll_name,
3672 struct ssl_func *sw) {
3673 union {
void *p; void (*fp)(void);} u;
3675 struct ssl_func *fp;
3677 if ((dll_handle = dlopen(dll_name, RTLD_LAZY)) == NULL) {
3678 cry(fc(ctx),
"%s: cannot load %s", __func__, dll_name);
3682 for (fp = sw; fp->name != NULL; fp++) {
3685 u.fp = (void (*)(void)) dlsym(dll_handle, fp->name);
3689 u.p = dlsym(dll_handle, fp->name);
3692 cry(fc(ctx),
"%s: %s: cannot find %s", __func__, dll_name, fp->name);
3704 static int set_ssl_option(
struct mg_context *ctx) {
3705 struct mg_request_info request_info;
3708 const char *pem = ctx->config[SSL_CERTIFICATE];
3709 const char *chain = ctx->config[SSL_CHAIN_FILE];
3715 #if !defined(NO_SSL_DL)
3716 if (!load_dll(ctx, SSL_LIB, ssl_sw) ||
3717 !load_dll(ctx, CRYPTO_LIB, crypto_sw)) {
3724 SSL_load_error_strings();
3726 if ((CTX = SSL_CTX_new(SSLv23_server_method())) == NULL) {
3727 cry(fc(ctx),
"SSL_CTX_new error: %s", ssl_error());
3728 }
else if (ctx->user_callback != NULL) {
3729 memset(&request_info, 0,
sizeof(request_info));
3730 request_info.user_data = ctx->user_data;
3731 ctx->user_callback(MG_INIT_SSL, (
struct mg_connection *) CTX,
3735 if (CTX != NULL && SSL_CTX_use_certificate_file(CTX, pem,
3736 SSL_FILETYPE_PEM) == 0) {
3737 cry(fc(ctx),
"%s: cannot open %s: %s", __func__, pem, ssl_error());
3739 }
else if (CTX != NULL && SSL_CTX_use_PrivateKey_file(CTX, pem,
3740 SSL_FILETYPE_PEM) == 0) {
3741 cry(fc(ctx),
"%s: cannot open %s: %s", NULL, pem, ssl_error());
3745 if (CTX != NULL && chain != NULL &&
3746 SSL_CTX_use_certificate_chain_file(CTX, chain) == 0) {
3747 cry(fc(ctx),
"%s: cannot open %s: %s", NULL, chain, ssl_error());
3753 size =
sizeof(pthread_mutex_t) * CRYPTO_num_locks();
3754 if ((ssl_mutexes = (pthread_mutex_t *) malloc((
size_t)size)) == NULL) {
3755 cry(fc(ctx),
"%s: cannot allocate mutexes: %s", __func__, ssl_error());
3759 for (i = 0; i < CRYPTO_num_locks(); i++) {
3760 pthread_mutex_init(&ssl_mutexes[i], NULL);
3763 CRYPTO_set_locking_callback(&ssl_locking_callback);
3764 CRYPTO_set_id_callback(&ssl_id_callback);
3772 static void uninitialize_ssl(
struct mg_context *ctx) {
3774 if (ctx->ssl_ctx != NULL) {
3775 CRYPTO_set_locking_callback(NULL);
3776 for (i = 0; i < CRYPTO_num_locks(); i++) {
3777 pthread_mutex_destroy(&ssl_mutexes[i]);
3779 CRYPTO_set_locking_callback(NULL);
3780 CRYPTO_set_id_callback(NULL);
3785 static int set_gpass_option(
struct mg_context *ctx) {
3786 struct mgstat mgstat;
3787 const char *path = ctx->config[GLOBAL_PASSWORDS_FILE];
3788 return path == NULL || mg_stat(path, &mgstat) == 0;
3791 static int set_acl_option(
struct mg_context *ctx) {
3793 return check_acl(ctx, &fake) != -1;
3796 static void reset_per_request_attributes(
struct mg_connection *conn) {
3797 struct mg_request_info *ri = &conn->request_info;
3800 ri->remote_user = ri->request_method = ri->uri = ri->http_version =
3801 conn->path_info = NULL;
3802 ri->num_headers = 0;
3803 ri->status_code = -1;
3805 conn->num_bytes_sent = conn->consumed_content = 0;
3806 conn->content_len = -1;
3807 conn->request_len = conn->data_len = 0;
3808 conn->must_close = 0;
3811 static void close_socket_gracefully(SOCKET sock) {
3813 struct linger linger;
3819 linger.l_linger = 1;
3820 setsockopt(sock, SOL_SOCKET, SO_LINGER, (
void *) &linger,
sizeof(linger));
3823 (void) shutdown(sock, SHUT_WR);
3824 set_non_blocking_mode(sock);
3832 n = pull(NULL, sock, NULL, buf,
sizeof(buf));
3836 (void) closesocket(sock);
3839 static void close_connection(
struct mg_connection *conn) {
3841 SSL_free(conn->ssl);
3845 if (conn->client.sock != INVALID_SOCKET) {
3846 close_socket_gracefully(conn->client.sock);
3850 static void discard_current_request_from_buffer(
struct mg_connection *conn) {
3852 int buffered_len, body_len;
3855 buffered_len = conn->data_len - conn->request_len;
3856 assert(buffered_len >= 0);
3858 if (conn->content_len == -1) {
3860 }
else if (conn->content_len < (int64_t) buffered_len) {
3861 body_len = (int) conn->content_len;
3863 body_len = buffered_len;
3866 conn->data_len -= conn->request_len + body_len;
3867 memmove(conn->buf, conn->buf + conn->request_len + body_len,
3868 (
size_t) conn->data_len);
3871 static int is_valid_uri(
const char *uri) {
3874 return uri[0] ==
'/' || (uri[0] ==
'*' && uri[1] ==
'\0');
3877 static void process_new_connection(
struct mg_connection *conn) {
3878 struct mg_request_info *ri = &conn->request_info;
3879 int keep_alive_enabled;
3882 keep_alive_enabled = !strcmp(conn->ctx->config[ENABLE_KEEP_ALIVE],
"yes");
3884 reset_per_request_attributes(conn);
3887 if ((conn->request_len = get_request_len(conn->buf, conn->data_len)) == 0) {
3888 conn->request_len = read_request(NULL, conn->client.sock, conn->ssl,
3889 conn->buf, conn->buf_size, &conn->data_len);
3891 assert(conn->data_len >= conn->request_len);
3892 if (conn->request_len == 0 && conn->data_len == conn->buf_size) {
3893 send_http_error(conn, 413,
"Request Too Large",
"");
3895 }
if (conn->request_len <= 0) {
3900 conn->buf[conn->request_len - 1] =
'\0';
3901 if (!parse_http_request(conn->buf, ri) || !is_valid_uri(ri->uri)) {
3903 send_http_error(conn, 400,
"Bad Request",
3904 "Cannot parse HTTP request: [%.*s]", conn->data_len, conn->buf);
3905 }
else if (strcmp(ri->http_version,
"1.0") &&
3906 strcmp(ri->http_version,
"1.1")) {
3908 send_http_error(conn, 505,
"HTTP version not supported",
"");
3912 cl = get_header(ri,
"Content-Length");
3913 conn->content_len = cl == NULL ? -1 : strtoll(cl, NULL, 10);
3914 conn->birth_time = time(NULL);
3915 handle_request(conn);
3916 call_user(conn, MG_REQUEST_COMPLETE);
3918 discard_current_request_from_buffer(conn);
3920 if (ri->remote_user != NULL) {
3921 free((
void *) ri->remote_user);
3924 }
while (conn->ctx->stop_flag == 0 &&
3925 keep_alive_enabled &&
3926 should_keep_alive(conn));
3930 static int consume_socket(
struct mg_context *ctx,
struct socket *sp) {
3931 (void) pthread_mutex_lock(&ctx->mutex);
3932 DEBUG_TRACE((
"going idle"));
3935 while (ctx->sq_head == ctx->sq_tail && ctx->stop_flag == 0) {
3936 pthread_cond_wait(&ctx->sq_full, &ctx->mutex);
3940 if (ctx->sq_head > ctx->sq_tail) {
3942 *sp = ctx->queue[ctx->sq_tail % ARRAY_SIZE(ctx->queue)];
3944 DEBUG_TRACE((
"grabbed socket %d, going busy", sp->sock));
3947 while (ctx->sq_tail > (
int) ARRAY_SIZE(ctx->queue)) {
3948 ctx->sq_tail -= ARRAY_SIZE(ctx->queue);
3949 ctx->sq_head -= ARRAY_SIZE(ctx->queue);
3953 (void) pthread_cond_signal(&ctx->sq_empty);
3954 (void) pthread_mutex_unlock(&ctx->mutex);
3956 return !ctx->stop_flag;
3959 static void worker_thread(
struct mg_context *ctx) {
3960 struct mg_connection *conn;
3961 int buf_size = atoi(ctx->config[MAX_REQUEST_SIZE]);
3963 conn = (
struct mg_connection *) calloc(1,
sizeof(*conn) + buf_size);
3965 cry(fc(ctx),
"%s",
"Cannot create new connection struct, OOM");
3968 conn->buf_size = buf_size;
3969 conn->buf = (
char *) (conn + 1);
3973 while (consume_socket(ctx, &conn->client)) {
3974 conn->birth_time = time(NULL);
3981 conn->request_info.remote_port = ntohs(conn->client.rsa.sin.sin_port);
3982 memcpy(&conn->request_info.remote_ip,
3983 &conn->client.rsa.sin.sin_addr.s_addr, 4);
3984 conn->request_info.remote_ip = ntohl(conn->request_info.remote_ip);
3985 conn->request_info.is_ssl = conn->client.is_ssl;
3987 if (!conn->client.is_ssl ||
3988 (conn->client.is_ssl && sslize(conn, SSL_accept))) {
3989 process_new_connection(conn);
3992 close_connection(conn);
3997 (void) pthread_mutex_lock(&ctx->mutex);
3999 (void) pthread_cond_signal(&ctx->cond);
4000 assert(ctx->num_threads >= 0);
4001 (void) pthread_mutex_unlock(&ctx->mutex);
4003 DEBUG_TRACE((
"exiting"));
4007 static void produce_socket(
struct mg_context *ctx,
const struct socket *sp) {
4008 (void) pthread_mutex_lock(&ctx->mutex);
4011 while (ctx->stop_flag == 0 &&
4012 ctx->sq_head - ctx->sq_tail >= (
int) ARRAY_SIZE(ctx->queue)) {
4013 (void) pthread_cond_wait(&ctx->sq_empty, &ctx->mutex);
4016 if (ctx->sq_head - ctx->sq_tail < (
int) ARRAY_SIZE(ctx->queue)) {
4018 ctx->queue[ctx->sq_head % ARRAY_SIZE(ctx->queue)] = *sp;
4020 DEBUG_TRACE((
"queued socket %d", sp->sock));
4023 (void) pthread_cond_signal(&ctx->sq_full);
4024 (void) pthread_mutex_unlock(&ctx->mutex);
4027 static void accept_new_connection(
const struct socket *listener,
4028 struct mg_context *ctx) {
4029 struct socket accepted;
4034 len =
sizeof(accepted.rsa);
4035 accepted.lsa = listener->lsa;
4036 accepted.sock = accept(listener->sock, &accepted.rsa.sa, &len);
4037 if (accepted.sock != INVALID_SOCKET) {
4038 allowed = check_acl(ctx, &accepted.rsa);
4041 DEBUG_TRACE((
"accepted socket %d", accepted.sock));
4042 accepted.is_ssl = listener->is_ssl;
4043 produce_socket(ctx, &accepted);
4045 sockaddr_to_string(src_addr,
sizeof(src_addr), &accepted.rsa);
4046 cry(fc(ctx),
"%s: %s is not allowed to connect", __func__, src_addr);
4047 (void) closesocket(accepted.sock);
4052 static void master_thread(
struct mg_context *ctx) {
4060 SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
4063 #if defined(ISSUE_317)
4064 struct sched_param sched_param;
4065 sched_param.sched_priority = sched_get_priority_max(SCHED_RR);
4066 pthread_setschedparam(pthread_self(), SCHED_RR, &sched_param);
4069 while (ctx->stop_flag == 0) {
4074 for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next) {
4075 add_to_set(sp->sock, &read_set, &max_fd);
4079 tv.tv_usec = 200 * 1000;
4081 if (select(max_fd + 1, &read_set, NULL, NULL, &tv) < 0) {
4089 for (sp = ctx->listening_sockets; sp != NULL; sp = sp->next) {
4090 if (ctx->stop_flag == 0 && FD_ISSET(sp->sock, &read_set)) {
4091 accept_new_connection(sp, ctx);
4096 DEBUG_TRACE((
"stopping workers"));
4099 close_all_listening_sockets(ctx);
4102 pthread_cond_broadcast(&ctx->sq_full);
4105 (void) pthread_mutex_lock(&ctx->mutex);
4106 while (ctx->num_threads > 0) {
4107 (void) pthread_cond_wait(&ctx->cond, &ctx->mutex);
4109 (void) pthread_mutex_unlock(&ctx->mutex);
4112 (void) pthread_mutex_destroy(&ctx->mutex);
4113 (void) pthread_cond_destroy(&ctx->cond);
4114 (void) pthread_cond_destroy(&ctx->sq_empty);
4115 (void) pthread_cond_destroy(&ctx->sq_full);
4117 #if !defined(NO_SSL)
4118 uninitialize_ssl(ctx);
4124 DEBUG_TRACE((
"exiting"));
4127 static void free_context(
struct mg_context *ctx) {
4131 for (i = 0; i < NUM_OPTIONS; i++) {
4132 if (ctx->config[i] != NULL)
4133 free(ctx->config[i]);
4137 if (ctx->ssl_ctx != NULL) {
4138 SSL_CTX_free(ctx->ssl_ctx);
4141 if (ssl_mutexes != NULL) {
4150 void mg_stop(
struct mg_context *ctx) {
4154 while (ctx->stop_flag != 2) {
4159 #if defined(_WIN32) && !defined(__SYMBIAN32__)
4160 (void) WSACleanup();
4164 struct mg_context *mg_start(mg_callback_t user_callback,
void *user_data,
4165 const char **options) {
4166 struct mg_context *ctx;
4167 const char *name, *value, *default_value;
4170 #if defined(_WIN32) && !defined(__SYMBIAN32__)
4172 WSAStartup(MAKEWORD(2,2), &data);
4173 InitializeCriticalSection(&global_log_file_lock);
4178 ctx = (
struct mg_context *) calloc(1,
sizeof(*ctx));
4179 ctx->user_callback = user_callback;
4180 ctx->user_data = user_data;
4182 while (options && (name = *options++) != NULL) {
4183 if ((i = get_option_index(name)) == -1) {
4184 cry(fc(ctx),
"Invalid option: %s", name);
4187 }
else if ((value = *options++) == NULL) {
4188 cry(fc(ctx),
"%s: option value cannot be NULL", name);
4192 if (ctx->config[i] != NULL) {
4193 cry(fc(ctx),
"%s: duplicate option", name);
4195 ctx->config[i] = mg_strdup(value);
4196 DEBUG_TRACE((
"[%s] -> [%s]", name, value));
4200 for (i = 0; config_options[i * ENTRIES_PER_CONFIG_OPTION] != NULL; i++) {
4201 default_value = config_options[i * ENTRIES_PER_CONFIG_OPTION + 2];
4202 if (ctx->config[i] == NULL && default_value != NULL) {
4203 ctx->config[i] = mg_strdup(default_value);
4204 DEBUG_TRACE((
"Setting default: [%s] -> [%s]",
4205 config_options[i * ENTRIES_PER_CONFIG_OPTION + 1],
4212 if (!set_gpass_option(ctx) ||
4213 #
if !defined(NO_SSL)
4214 !set_ssl_option(ctx) ||
4216 !set_ports_option(ctx) ||
4217 #
if !defined(_WIN32)
4218 !set_uid_option(ctx) ||
4220 !set_acl_option(ctx)) {
4225 #if !defined(_WIN32) && !defined(__SYMBIAN32__)
4228 (void) signal(SIGPIPE, SIG_IGN);
4230 (void) signal(SIGCHLD, SIG_IGN);
4233 (void) pthread_mutex_init(&ctx->mutex, NULL);
4234 (void) pthread_cond_init(&ctx->cond, NULL);
4235 (void) pthread_cond_init(&ctx->sq_empty, NULL);
4236 (void) pthread_cond_init(&ctx->sq_full, NULL);
4239 start_thread(ctx, (mg_thread_func_t) master_thread, ctx);
4242 for (i = 0; i < atoi(ctx->config[NUM_THREADS]); i++) {
4243 if (start_thread(ctx, (mg_thread_func_t) worker_thread, ctx) != 0) {
4244 cry(fc(ctx),
"Cannot start worker thread: %d", ERRNO);