Go to the documentation of this file.
27 #define MHD_NO_DEPRECATION 1
30 #ifdef HAVE_SYS_IOCTL_H
31 #include <sys/ioctl.h>
33 #if defined(_WIN32) && ! defined(__CYGWIN__)
48 #if defined(MHD_W32_MUTEX_)
49 #ifndef WIN32_LEAN_AND_MEAN
50 #define WIN32_LEAN_AND_MEAN 1
63 #ifndef MHD_FILE_READ_BLOCK_SIZE
65 #define MHD_FILE_READ_BLOCK_SIZE 16384
67 #define MHD_FILE_READ_BLOCK_SIZE 4096
89 if ( (
NULL == response) ||
97 (
NULL != strchr (content,
'\t')) ||
98 (
NULL != strchr (content,
'\r')) ||
99 (
NULL != strchr (content,
'\n')) )
109 if (
NULL == (hdr->
value = strdup (content)))
151 & response->
flags)) &&
210 header_len = strlen (
header);
211 content_len = strlen (content);
221 (0 == memcmp (content,
264 if ((
NULL != iterator) &&
265 (
MHD_YES != iterator (iterator_cls,
293 key_size = strlen (key);
331 if ( (
NULL == key) ||
383 if ((
NULL ==
crc) || (0 == block_size))
389 response->
data = (
void *) &response[1];
391 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
392 if (! MHD_mutex_init_ (&response->
mutex))
426 va_start (ap,
flags);
458 #if ! defined(_WIN32) || defined(__CYGWIN__)
461 const HANDLE fh = (HANDLE) _get_osfhandle (response->
fd);
463 const int64_t offset64 = (int64_t) (pos + response->
fd_off);
468 #if ! defined(_WIN32) || defined(__CYGWIN__)
472 #if defined(HAVE_PREAD64)
473 n = pread64 (response->
fd, buf, max, offset64);
474 #elif defined(HAVE_PREAD)
475 if ( (
sizeof(off_t) <
sizeof (uint64_t)) &&
479 n = pread (response->
fd, buf, max, (off_t) offset64);
481 #if defined(HAVE_LSEEK64)
482 if (lseek64 (response->
fd,
484 SEEK_SET) != offset64)
487 if ( (
sizeof(off_t) <
sizeof (uint64_t)) &&
491 if (lseek (response->
fd,
493 SEEK_SET) != (off_t) offset64)
496 n = read (response->
fd,
507 if (INVALID_HANDLE_VALUE == fh)
511 OVERLAPPED f_ol = {0, 0, {{0, 0}}, 0};
512 ULARGE_INTEGER pos_uli;
516 pos_uli.QuadPart = (uint64_t) offset64;
517 f_ol.Offset = pos_uli.LowPart;
518 f_ol.OffsetHigh = pos_uli.HighPart;
519 if (! ReadFile (fh, (
void*) buf, toRead, &resRead, &f_ol))
523 return (ssize_t) resRead;
540 (void) close (response->
fd);
545 #undef MHD_create_response_from_fd_at_offset
597 #if ! defined(HAVE___LSEEKI64) && ! defined(HAVE_LSEEK64)
598 if ( (
sizeof(uint64_t) >
sizeof(off_t)) &&
604 if ( ((int64_t) size < 0) ||
606 ((int64_t) (size +
offset) < 0) )
614 if (
NULL == response)
693 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
694 if (! MHD_mutex_init_ (&response->
mutex))
702 if (
NULL == (tmp = malloc (size)))
704 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
710 memcpy (tmp,
data, size);
716 response->
crfc = &free;
778 #ifdef UPGRADE_SUPPORT
801 connection = urh->connection;
804 if (
NULL == connection)
806 daemon = connection->
daemon;
827 urh->was_closed =
true;
839 gnutls_record_cork (connection->tls_session);
861 gnutls_record_uncork (connection->tls_session, 0);
902 struct MHD_UpgradeResponseHandle *urh;
915 "Invalid response for upgrade: application failed to set the 'Upgrade' header!\n"));
920 urh =
MHD_calloc_ (1,
sizeof (
struct MHD_UpgradeResponseHandle));
923 urh->connection = connection;
929 struct MemoryPool *pool;
933 #if defined(MHD_socket_nosignal_) || ! defined(MHD_socket_pair_nblk_)
938 #ifdef MHD_socket_pair_nblk_
939 if (! MHD_socket_pair_nblk_ (sv))
945 if (! MHD_socket_pair_ (sv))
952 if ( (! res1) || (! res2) )
956 _ (
"Failed to make loopback sockets non-blocking.\n"));
968 #ifdef MHD_socket_nosignal_
969 res1 = MHD_socket_nosignal_ (sv[0]);
970 res2 = MHD_socket_nosignal_ (sv[1]);
971 if ( (! res1) || (! res2) )
975 _ (
"Failed to set SO_NOSIGPIPE on loopback sockets.\n"));
995 _ (
"Socketpair descriptor larger than FD_SETSIZE: %d > %d\n"),
1004 urh->app.socket = sv[0];
1007 urh->mhd.socket = sv[1];
1010 pool = connection->
pool;
1012 if (avail < RESERVE_EBUF_SIZE)
1016 avail = RESERVE_EBUF_SIZE;
1030 urh->in_buffer_size = avail / 2;
1031 urh->out_buffer_size = avail - urh->in_buffer_size;
1032 urh->in_buffer = buf;
1033 urh->out_buffer = &buf[urh->in_buffer_size];
1034 #ifdef EPOLL_SUPPORT
1040 struct epoll_event event;
1044 event.events = EPOLLIN | EPOLLOUT | EPOLLPRI | EPOLLET;
1045 event.data.ptr = &urh->app;
1046 if (0 != epoll_ctl (daemon->epoll_upgrade_fd,
1051 #ifdef HAVE_MESSAGES
1053 _ (
"Call to epoll_ctl failed: %s\n"),
1063 event.events = EPOLLIN | EPOLLOUT | EPOLLPRI | EPOLLET;
1064 event.data.ptr = &urh->mhd;
1065 if (0 != epoll_ctl (daemon->epoll_upgrade_fd,
1070 event.events = EPOLLIN | EPOLLOUT | EPOLLPRI;
1071 event.data.ptr = &urh->app;
1072 if (0 != epoll_ctl (daemon->epoll_upgrade_fd,
1076 MHD_PANIC (
_ (
"Error cleaning up while handling epoll error"));
1077 #ifdef HAVE_MESSAGES
1079 _ (
"Call to epoll_ctl failed: %s\n"),
1088 daemon->eready_urh_tail,
1090 urh->in_eready_list =
true;
1110 urh->clean_ready =
true;
1113 urh->clean_ready =
true;
1115 connection->urh = urh;
1122 response->upgrade_handler (response->upgrade_handler_cls,
1127 #ifdef HTTPS_SUPPORT
1129 connection->
socket_fd : urh->app.socket,
1169 void *upgrade_handler_cls)
1173 if (
NULL == upgrade_handler)
1176 if (
NULL == response)
1178 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
1179 if (! MHD_mutex_init_ (&response->
mutex))
1185 response->upgrade_handler = upgrade_handler;
1186 response->upgrade_handler_cls = upgrade_handler_cls;
1218 if (
NULL == response)
1220 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
1225 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
1230 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
1256 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
1260 #if defined(MHD_USE_POSIX_THREADS) || defined(MHD_USE_W32_THREADS)
struct MHD_HTTP_Header * first_header
bool MHD_str_equal_caseless_bin_n_(const char *const str1, const char *const str2, size_t len)
#define MHD_FILE_READ_BLOCK_SIZE
Header for platform missing functions.
int MHD_socket_nonblocking_(MHD_socket sock)
_MHD_EXTERN int MHD_get_response_headers(struct MHD_Response *response, MHD_KeyValueIterator iterator, void *iterator_cls)
#define MHD_socket_close_chk_(fd)
limits values definitions
#define MHD_CONTENT_READER_END_WITH_ERROR
#define EDLL_insert(head, tail, element)
void(* MHD_ContentReaderFreeCallback)(void *cls)
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_callback(uint64_t size, size_t block_size, MHD_ContentReaderCallback crc, void *crc_cls, MHD_ContentReaderFreeCallback crfc)
#define MHD_mutex_unlock_chk_(pmutex)
@ MHD_UPGRADE_ACTION_CLOSE
MHD_ContentReaderFreeCallback crfc
_MHD_EXTERN int MHD_add_response_header(struct MHD_Response *response, const char *header, const char *content)
bool MHD_check_response_header_token_ci(const struct MHD_Response *response, const char *key, size_t key_len, const char *token, size_t token_len)
additional automatic macros for MHD_config.h
void * MHD_calloc_(size_t nelem, size_t elsize)
memory pool; mostly used for efficient (de)allocation for each connection and bounding memory use for...
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_fd64(uint64_t size, int fd)
static ssize_t file_reader(void *cls, uint64_t pos, char *buf, size_t max)
void internal_suspend_connection_(struct MHD_Connection *connection)
MHD_ContentReaderCallback crc
Methods for managing response objects.
#define MHD_INVALID_SOCKET
unsigned int reference_count
int MHD_set_response_options(struct MHD_Response *response, enum MHD_ResponseFlags flags,...)
internal shared structures
@ MHD_RF_INSANITY_HEADER_CONTENT_LENGTH
int MHD_str_equal_caseless_(const char *str1, const char *str2)
#define MHD_mutex_destroy_chk_(pmutex)
bool MHD_str_has_token_caseless_(const char *str, const char *const token, size_t token_len)
_MHD_EXTERN void MHD_destroy_response(struct MHD_Response *response)
_MHD_EXTERN int MHD_upgrade_action(struct MHD_UpgradeResponseHandle *urh, enum MHD_UpgradeAction action,...)
ssize_t(* MHD_ContentReaderCallback)(void *cls, uint64_t pos, char *buf, size_t max)
size_t read_buffer_offset
int(* MHD_KeyValueIterator)(void *cls, enum MHD_ValueKind kind, const char *key, const char *value)
_MHD_EXTERN int MHD_add_response_footer(struct MHD_Response *response, const char *footer, const char *content)
#define DLL_insert(head, tail, element)
struct MHD_Response * MHD_create_response_from_data(size_t size, void *data, int must_free, int must_copy)
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_fd_at_offset64(uint64_t size, int fd, uint64_t offset)
int MHD_response_execute_upgrade_(struct MHD_Response *response, struct MHD_Connection *connection)
enum MHD_CONNECTION_STATE state
#define MHD_socket_last_strerr_()
void MHD_increment_response_rc(struct MHD_Response *response)
static int add_response_entry(struct MHD_Response *response, enum MHD_ValueKind kind, const char *header, const char *content)
_MHD_EXTERN struct MHD_Response * MHD_create_response_for_upgrade(MHD_UpgradeHandler upgrade_handler, void *upgrade_handler_cls)
#define MHD_CONTENT_READER_END_OF_STREAM
static void free_callback(void *cls)
@ MHD_UPGRADE_ACTION_CORK_OFF
void(* MHD_UpgradeHandler)(void *cls, struct MHD_Connection *connection, void *con_cls, const char *extra_in, size_t extra_in_size, MHD_socket sock, struct MHD_UpgradeResponseHandle *urh)
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_fd(size_t size, int fd)
Methods for managing connections.
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_buffer(size_t size, void *buffer, enum MHD_ResponseMemoryMode mode)
_MHD_EXTERN void MHD_resume_connection(struct MHD_Connection *connection)
#define MHD_mutex_lock_chk_(pmutex)
Header for string manipulating helpers.
struct MHD_Daemon * daemon
size_t MHD_pool_get_free(struct MemoryPool *pool)
#define MHD_SCKT_FD_FITS_FDSET_(fd, pset)
@ MHD_EPOLL_STATE_UNREADY
_MHD_EXTERN struct MHD_Response * MHD_create_response_from_buffer_with_free_callback(size_t size, void *buffer, MHD_ContentReaderFreeCallback crfc)
int MHD_socket_cork_(MHD_socket sock, bool on)
@ MHD_USE_THREAD_PER_CONNECTION
@ MHD_UPGRADE_ACTION_CORK_ON
Header for platform-independent inter-thread communication.
_MHD_EXTERN int MHD_del_response_header(struct MHD_Response *response, const char *header, const char *content)
const _MHD_EXTERN char * MHD_get_response_header(struct MHD_Response *response, const char *key)
struct MHD_Response * MHD_create_response_from_fd_at_offset(size_t size, int fd, off_t offset)
enum MHD_ResponseFlags flags
void * MHD_pool_allocate(struct MemoryPool *pool, size_t size, int from_end)