-/* {{{ static STATUS http_ob_stack_get(php_ob_buffer *, php_ob_buffer **) */
-static STATUS http_ob_stack_get(php_ob_buffer *o, php_ob_buffer **s)
-{
- static int i = 0;
- php_ob_buffer *b = emalloc(sizeof(php_ob_buffer));
- b->handler_name = estrdup(o->handler_name);
- b->buffer = estrndup(o->buffer, o->text_length);
- b->text_length = o->text_length;
- b->chunk_size = o->chunk_size;
- b->erase = o->erase;
- s[i++] = b;
- return SUCCESS;
-}
-/* }}} */
-
-/* }}} internals */
-
-/* {{{ public API */
-
-/* {{{ char *http_date(time_t) */
-PHP_HTTP_API char *_http_date(time_t t TSRMLS_DC)
-{
- struct tm *gmtime, tmbuf;
- char *date = ecalloc(1, 31);
-
- gmtime = php_gmtime_r(&t, &tmbuf);
- snprintf(date, 30,
- "%s, %02d %s %04d %02d:%02d:%02d GMT",
- days[gmtime->tm_wday], gmtime->tm_mday,
- months[gmtime->tm_mon], gmtime->tm_year + 1900,
- gmtime->tm_hour, gmtime->tm_min, gmtime->tm_sec
- );
- return date;
-}
-/* }}} */
-
-/* {{{ time_t http_parse_date(char *)
- Originally by libcurl, Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. */
-PHP_HTTP_API time_t _http_parse_date(const char *date)
-{
- time_t t = 0;
- int tz_offset = -1, year = -1, month = -1, monthday = -1, weekday = -1,
- hours = -1, minutes = -1, seconds = -1;
- struct tm tm;
- enum assume_next dignext = DATE_MDAY;
- const char *indate = date;
-
- int found = 0, part = 0; /* max 6 parts */
-
- while (*date && (part < 6)) {
- int found = 0;
-
- while (*date && !isalnum(*date)) {
- date++;
- }
-
- if (isalpha(*date)) {
- /* a name coming up */
- char buf[32] = "";
- size_t len;
- sscanf(date, "%31[A-Za-z]", buf);
- len = strlen(buf);
-
- if (weekday == -1) {
- weekday = check_day(buf, len);
- if (weekday != -1) {
- found = 1;
- }
- }
-
- if (!found && (month == -1)) {
- month = check_month(buf);
- if (month != -1) {
- found = 1;
- }
- }
-
- if (!found && (tz_offset == -1)) {
- /* this just must be a time zone string */
- tz_offset = check_tzone(buf);
- if (tz_offset != -1) {
- found = 1;
- }
- }
-
- if (!found) {
- return -1; /* bad string */
- }
- date += len;
- }
- else if (isdigit(*date)) {
- /* a digit */
- int val;
- char *end;
- if((seconds == -1) && (3 == sscanf(date, "%02d:%02d:%02d", &hours, &minutes, &seconds))) {
- /* time stamp! */
- date += 8;
- found = 1;
- }
- else {
- val = (int) strtol(date, &end, 10);
-
- if ((tz_offset == -1) && ((end - date) == 4) && (val < 1300) && (indate < date) && ((date[-1] == '+' || date[-1] == '-'))) {
- /* four digits and a value less than 1300 and it is preceeded with
- a plus or minus. This is a time zone indication. */
- found = 1;
- tz_offset = (val / 100 * 60 + val % 100) * 60;
-
- /* the + and - prefix indicates the local time compared to GMT,
- this we need ther reversed math to get what we want */
- tz_offset = date[-1] == '+' ? -tz_offset : tz_offset;
- }
-
- if (((end - date) == 8) && (year == -1) && (month == -1) && (monthday == -1)) {
- /* 8 digits, no year, month or day yet. This is YYYYMMDD */
- found = 1;
- year = val / 10000;
- month = (val % 10000) / 100 - 1; /* month is 0 - 11 */
- monthday = val % 100;
- }
-
- if (!found && (dignext == DATE_MDAY) && (monthday == -1)) {
- if ((val > 0) && (val < 32)) {
- monthday = val;
- found = 1;
- }
- dignext = DATE_YEAR;
- }
-
- if (!found && (dignext == DATE_YEAR) && (year == -1)) {
- year = val;
- found = 1;
- if (year < 1900) {
- year += year > 70 ? 1900 : 2000;
- }
- if(monthday == -1) {
- dignext = DATE_MDAY;
- }
- }
-
- if (!found) {
- return -1;
- }
-
- date = end;
- }
- }
-
- part++;
- }
-
- if (-1 == seconds) {
- seconds = minutes = hours = 0; /* no time, make it zero */
- }
-
- if ((-1 == monthday) || (-1 == month) || (-1 == year)) {
- /* lacks vital info, fail */
- return -1;
- }
-
- if (sizeof(time_t) < 5) {
- /* 32 bit time_t can only hold dates to the beginning of 2038 */
- if (year > 2037) {
- return 0x7fffffff;
- }
- }
-
- tm.tm_sec = seconds;
- tm.tm_min = minutes;
- tm.tm_hour = hours;
- tm.tm_mday = monthday;
- tm.tm_mon = month;
- tm.tm_year = year - 1900;
- tm.tm_wday = 0;
- tm.tm_yday = 0;
- tm.tm_isdst = 0;
-
- t = mktime(&tm);
-
- /* time zone adjust */
- {
- struct tm *gmt, keeptime2;
- long delta;
- time_t t2;
-
- if(!(gmt = php_gmtime_r(&t, &keeptime2))) {
- return -1; /* illegal date/time */
- }
-
- t2 = mktime(gmt);
-
- /* Add the time zone diff (between the given timezone and GMT) and the
- diff between the local time zone and GMT. */
- delta = (tz_offset != -1 ? tz_offset : 0) + (t - t2);
-
- if((delta > 0) && (t + delta < t)) {
- return -1; /* time_t overflow */
- }
-
- t += delta;
- }
-
- return t;
-}
-/* }}} */
-
-/* {{{ inline char *http_etag(void *, size_t, http_send_mode) */
-PHP_HTTP_API inline char *_http_etag(const void *data_ptr, const size_t data_len,
- const http_send_mode data_mode TSRMLS_DC)
-{
- char ssb_buf[128] = {0};
- unsigned char digest[16];
- PHP_MD5_CTX ctx;
- char *new_etag = ecalloc(1, 33);
-
- PHP_MD5Init(&ctx);
-
- switch (data_mode)
- {
- case SEND_DATA:
- PHP_MD5Update(&ctx, data_ptr, data_len);
- break;
-
- case SEND_RSRC:
- if (!HTTP_G(ssb).sb.st_ino) {
- if (php_stream_stat((php_stream *) data_ptr, &HTTP_G(ssb))) {
- return NULL;
- }
- }
- snprintf(ssb_buf, 127, "%ld=%ld=%ld",
- HTTP_G(ssb).sb.st_mtime,
- HTTP_G(ssb).sb.st_ino,
- HTTP_G(ssb).sb.st_size
- );
- PHP_MD5Update(&ctx, ssb_buf, strlen(ssb_buf));
- break;
-
- default:
- efree(new_etag);
- return NULL;
- break;
- }
-
- PHP_MD5Final(digest, &ctx);
- make_digest(new_etag, digest);
-
- return new_etag;
-}
-/* }}} */
-
-/* {{{ inline http_lmod(void *, http_send_mode) */
-PHP_HTTP_API inline time_t _http_lmod(const void *data_ptr, const http_send_mode data_mode TSRMLS_DC)
-{
- switch (data_mode)
- {
- case SEND_DATA:
- {
- return time(NULL);
- }
-
- case SEND_RSRC:
- {
- if (!HTTP_G(ssb).sb.st_mtime) {
- if (php_stream_stat((php_stream *) data_ptr, &HTTP_G(ssb))) {
- return 0;
- }
- }
- return HTTP_G(ssb).sb.st_mtime;
- }
-
- default:
- {
- if (!HTTP_G(ssb).sb.st_mtime) {
- if(php_stream_stat_path(Z_STRVAL_P((zval *) data_ptr), &HTTP_G(ssb))) {
- return 0;
- }
- }
- return HTTP_G(ssb).sb.st_mtime;
- }
- }
-}
-/* }}} */
-
-/* {{{inline int http_is_range_request(void) */
-PHP_HTTP_API inline int _http_is_range_request(TSRMLS_D)
-{
- return zend_hash_exists(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_SERVER]),
- "HTTP_RANGE", strlen("HTTP_RANGE") + 1);
-}
-/* }}} */
-
-/* {{{ inline STATUS http_send_status(int) */
-PHP_HTTP_API inline STATUS _http_send_status(const int status TSRMLS_DC)
-{
- int s = status;
- return sapi_header_op(SAPI_HEADER_SET_STATUS, (void *) s TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ inline STATUS http_send_header(char *) */
-PHP_HTTP_API inline STATUS _http_send_header(const char *header TSRMLS_DC)
-{
- return http_send_status_header(0, header);
-}
-/* }}} */
-
-/* {{{ inline STATUS http_send_status_header(int, char *) */
-PHP_HTTP_API inline STATUS _http_send_status_header(const int status, const char *header TSRMLS_DC)
-{
- sapi_header_line h = {(char *) header, strlen(header), status};
- return sapi_header_op(SAPI_HEADER_REPLACE, &h TSRMLS_CC);
-}
-/* }}} */
-
-/* {{{ inline zval *http_get_server_var(char *) */
-PHP_HTTP_API inline zval *_http_get_server_var(const char *key TSRMLS_DC)
-{
- zval **var;
- if (SUCCESS == zend_hash_find(
- HTTP_SERVER_VARS,
- (char *) key, strlen(key) + 1, (void **) &var)) {
- return *var;
- }
- return NULL;
-}
-/* }}} */
-
-/* {{{ void http_ob_etaghandler(char *, uint, char **, uint *, int) */
-PHP_HTTP_API void _http_ob_etaghandler(char *output, uint output_len,
- char **handled_output, uint *handled_output_len, int mode TSRMLS_DC)
-{
- char etag[33] = { 0 };
- unsigned char digest[16];
-
- if (mode & PHP_OUTPUT_HANDLER_START) {
- PHP_MD5Init(&HTTP_G(etag_md5));
- }
-
- PHP_MD5Update(&HTTP_G(etag_md5), output, output_len);
-
- if (mode & PHP_OUTPUT_HANDLER_END) {
- PHP_MD5Final(digest, &HTTP_G(etag_md5));
-
- /* just do that if desired */
- if (HTTP_G(etag_started)) {
- make_digest(etag, digest);
-
- if (http_etag_match("HTTP_IF_NONE_MATCH", etag)) {
- http_send_status(304);
- } else {
- http_send_etag(etag, 32);
- }
- }
- }
-
- *handled_output_len = output_len;
- *handled_output = estrndup(output, output_len);
-}
-/* }}} */
-
-/* {{{ STATUS http_start_ob_handler(php_output_handler_func_t, char *, uint, zend_bool) */
-PHP_HTTP_API STATUS _http_start_ob_handler(php_output_handler_func_t handler_func,
- char *handler_name, uint chunk_size, zend_bool erase TSRMLS_DC)
-{
- php_ob_buffer **stack;
- int count, i;
-
- if (count = OG(ob_nesting_level)) {
- stack = ecalloc(count, sizeof(php_ob_buffer *));
-
- if (count > 1) {
- zend_stack_apply_with_argument(&OG(ob_buffers), ZEND_STACK_APPLY_BOTTOMUP,
- (int (*)(void *elem, void *)) http_ob_stack_get, stack);
- }
-
- if (count > 0) {
- http_ob_stack_get(&OG(active_ob_buffer), stack);
- }
-
- while (OG(ob_nesting_level)) {
- php_end_ob_buffer(0, 0 TSRMLS_CC);
- }
- }
-
- php_ob_set_internal_handler(handler_func, chunk_size, handler_name, erase TSRMLS_CC);
-
- for (i = 0; i < count; i++) {
- php_ob_buffer *s = stack[i];
- if (strcmp(s->handler_name, "default output handler")) {
- php_start_ob_buffer_named(s->handler_name, s->chunk_size, s->erase TSRMLS_CC);
- }
- php_body_write(s->buffer, s->text_length TSRMLS_CC);
- efree(s->handler_name);
- efree(s->buffer);
- efree(s);
- }
- if (count) {
- efree(stack);
- }
-
- return SUCCESS;
-}
-/* }}} */
-
-/* {{{ int http_modified_match(char *, int) */
-PHP_HTTP_API int _http_modified_match(const char *entry, const time_t t TSRMLS_DC)
-{
- int retval;
- zval *zmodified;
- char *modified, *chr_ptr;
-
- HTTP_GSC(zmodified, entry, 0);
-
- modified = estrndup(Z_STRVAL_P(zmodified), Z_STRLEN_P(zmodified));
- if (chr_ptr = strrchr(modified, ';')) {
- chr_ptr = 0;
- }
- retval = (t <= http_parse_date(modified));
- efree(modified);
- return retval;
-}
-/* }}} */
-
-/* {{{ int http_etag_match(char *, char *) */
-PHP_HTTP_API int _http_etag_match(const char *entry, const char *etag TSRMLS_DC)
-{
- zval *zetag;
- char *quoted_etag;
- STATUS result;
-
- HTTP_GSC(zetag, entry, 0);
-
- if (NULL != strchr(Z_STRVAL_P(zetag), '*')) {
- return 1;
- }
-
- quoted_etag = (char *) emalloc(strlen(etag) + 3);
- sprintf(quoted_etag, "\"%s\"", etag);
-
- if (!strchr(Z_STRVAL_P(zetag), ',')) {
- result = !strcmp(Z_STRVAL_P(zetag), quoted_etag);
- } else {
- result = (NULL != strstr(Z_STRVAL_P(zetag), quoted_etag));
- }
- efree(quoted_etag);
- return result;
-}
-/* }}} */
-
-/* {{{ STATUS http_send_last_modified(int) */
-PHP_HTTP_API STATUS _http_send_last_modified(const time_t t TSRMLS_DC)
-{
- char modified[96] = "Last-Modified: ", *date;
- date = http_date(t);
- strcat(modified, date);
- efree(date);
-
- /* remember */
- HTTP_G(lmod) = t;
-
- return http_send_header(modified);
-}
-/* }}} */
-
-/* {{{ static STATUS http_send_etag(char *, int) */
-PHP_HTTP_API STATUS _http_send_etag(const char *etag,
- const int etag_len TSRMLS_DC)