SAPI_API SAPI_POST_HANDLER_FUNC(php_std_post_handler) { zval *arr = (zval *) arg; php_stream *s = SG(request_info).request_body; post_var_data_t post_data; if (s && SUCCESS == php_stream_rewind(s)) { memset(&post_data, 0, sizeof(post_data)); while (!php_stream_eof(s)) { char buf[BUFSIZ] = {0}; size_t len = php_stream_read(s, buf, BUFSIZ); if (len && len != (size_t) -1) { smart_str_appendl(&post_data.str, buf, len); if (SUCCESS != add_post_vars(arr, &post_data, 0)) { smart_str_free(&post_data.str); return; } } if (len != BUFSIZ){ break; } } if (post_data.str.s) { add_post_vars(arr, &post_data, 1); smart_str_free(&post_data.str); } } }
/* {{{ flatfile_delete */ int flatfile_delete(flatfile *dba, datum key_datum TSRMLS_DC) { char *key = key_datum.dptr; size_t size = key_datum.dsize; size_t buf_size = FLATFILE_BLOCK_SIZE; char *buf = emalloc(buf_size); size_t num; size_t pos; php_stream_rewind(dba->fp); while(!php_stream_eof(dba->fp)) { /* read in the length of the key name */ if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } pos = php_stream_tell(dba->fp); /* read in the key name */ num = php_stream_read(dba->fp, buf, num); if (num < 0) { break; } if (size == num && !memcmp(buf, key, size)) { php_stream_seek(dba->fp, pos, SEEK_SET); php_stream_putc(dba->fp, 0); php_stream_flush(dba->fp); php_stream_seek(dba->fp, 0L, SEEK_END); efree(buf); return SUCCESS; } /* read in the length of the value */ if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } /* read in the value */ num = php_stream_read(dba->fp, buf, num); if (num < 0) { break; } } efree(buf); return FAILURE; }
/* {{{ ftp_nb_continue_write */ int ftp_nb_continue_write(ftpbuf_t *ftp) { long size; char *ptr; int ch; /* check if we can write more data */ if (!data_writeable(ftp, ftp->data->fd)) { return PHP_FTP_MOREDATA; } size = 0; ptr = ftp->data->buf; while (!php_stream_eof(ftp->stream) && (ch = php_stream_getc(ftp->stream)) != EOF) { if (ch == '\n' && ftp->type == FTPTYPE_ASCII) { *ptr++ = '\r'; size++; } *ptr++ = ch; size++; /* flush if necessary */ if (FTP_BUFSIZE - size < 2) { if (my_send(ftp, ftp->data->fd, ftp->data->buf, size) != size) { goto bail; } return PHP_FTP_MOREDATA; } } if (size && my_send(ftp, ftp->data->fd, ftp->data->buf, size) != size) { goto bail; } ftp->data = data_close(ftp, ftp->data); if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) { goto bail; } ftp->nb = 0; return PHP_FTP_FINISHED; bail: ftp->data = data_close(ftp, ftp->data); ftp->nb = 0; return PHP_FTP_FAILED; }
int zephir_feof(zval *stream_zval) { php_stream *stream; if (Z_TYPE_P(stream_zval) != IS_RESOURCE) { php_error_docref(NULL, E_WARNING, "Invalid arguments supplied for zephir_feof()"); return 0; } php_stream_from_zval_no_verify(stream, stream_zval); if (stream == NULL) { return 0; } return php_stream_eof(stream); }
static int php_xz_decompress(struct php_xz_stream_data_t *self) { lzma_stream *strm = &self->strm; lzma_action action = LZMA_RUN; if (strm->avail_in == 0 && !php_stream_eof(self->stream)) { strm->next_in = self->in_buf; strm->avail_in = php_stream_read(self->stream, self->in_buf, self->in_buf_sz); } lzma_ret ret = lzma_code(strm, action); if (strm->avail_out == 0 && self->out_buf_idx == strm->next_out) { //have read all bytes in output buffer in php_xziop_read() strm->next_out = self->out_buf_idx = self->out_buf; strm->avail_out = self->out_buf_sz; } }
/* {{{ flatfile_findkey */ int flatfile_findkey(flatfile *dba, datum key_datum TSRMLS_DC) { size_t buf_size = FLATFILE_BLOCK_SIZE; char *buf = emalloc(buf_size); size_t num; int ret=0; void *key = key_datum.dptr; size_t size = key_datum.dsize; php_stream_rewind(dba->fp); while (!php_stream_eof(dba->fp)) { if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } num = php_stream_read(dba->fp, buf, num); if (num < 0) { break; } if (size == num) { if (!memcmp(buf, key, size)) { ret = 1; break; } } if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } num = php_stream_read(dba->fp, buf, num); if (num < 0) { break; } } efree(buf); return ret; }
/* {{{ flatfile_nextkey */ datum flatfile_nextkey(flatfile *dba) { datum res; size_t num; size_t buf_size = FLATFILE_BLOCK_SIZE; char *buf = emalloc(buf_size); php_stream_seek(dba->fp, dba->CurrentFlatFilePos, SEEK_SET); while(!php_stream_eof(dba->fp)) { if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } num = php_stream_read(dba->fp, buf, num); if (!php_stream_gets(dba->fp, buf, 15)) { break; } num = atoi(buf); if (num >= buf_size) { buf_size = num + FLATFILE_BLOCK_SIZE; buf = erealloc(buf, buf_size); } num = php_stream_read(dba->fp, buf, num); if (*(buf)!=0) { dba->CurrentFlatFilePos = php_stream_tell(dba->fp); res.dptr = buf; res.dsize = num; return res; } } efree(buf); res.dptr = NULL; res.dsize = 0; return res; }
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int header_init STREAMS_DC TSRMLS_DC) { php_stream *stream = NULL; php_url *resource = NULL; int use_ssl; char *scratch = NULL; char *tmp = NULL; char *ua_str = NULL; zval **ua_zval = NULL, **tmpzval = NULL; int scratch_len = 0; int body = 0; char location[HTTP_HEADER_BLOCK_SIZE]; zval **response_header = NULL; int reqok = 0; char *http_header_line = NULL; char tmp_line[128]; size_t chunk_size = 0, file_size = 0; int eol_detect, have_header = 0; if (redirect_max < 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Circular redirect, aborting."); return NULL; } if (strpbrk(mode, "aw+")) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections."); return NULL; } resource = php_url_parse(path); if (resource == NULL) { return NULL; } if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) { php_url_free(resource); return php_stream_open_wrapper_ex(path, mode, ENFORCE_SAFE_MODE | REPORT_ERRORS, NULL, context); } use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's'; /* choose default ports */ if (use_ssl && resource->port == 0) resource->port = 443; else if (resource->port == 0) resource->port = 80; stream = php_stream_sock_open_host(resource->host, resource->port, SOCK_STREAM, NULL, 0); if (stream == NULL) { eol_detect = 0; goto out; } /* avoid problems with auto-detecting when reading the headers -> the headers * are always in canonical \r\n format */ eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); php_stream_context_set(stream, context); php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0); #ifdef HAVE_OPENSSL_EXT if (use_ssl) { if (context) { /* set the CN we expect to be on the remote cert. * You still need to have enabled verification (verify_peer) in the context for * this to have an effect */ zval *cn; ALLOC_INIT_ZVAL(cn); ZVAL_STRING(cn, resource->host, 1); php_stream_context_set_option(context, "ssl", "CN_match", cn); } if (php_stream_sock_ssl_activate(stream, 1) == FAILURE) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Unable to activate SSL mode"); php_stream_close(stream); stream = NULL; goto out; } } #endif if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) { if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval); scratch = (char *)emalloc(scratch_len); strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1); strcat(scratch, " "); } } if (!scratch) { scratch_len = strlen(path) + 32; scratch = (char *)emalloc(scratch_len); strcpy(scratch, "GET "); } /* file */ if (resource->path && *resource->path) strlcat(scratch, resource->path, scratch_len); else strlcat(scratch, "/", scratch_len); /* query string */ if (resource->query) { strlcat(scratch, "?", scratch_len); strlcat(scratch, resource->query, scratch_len); } /* protocol version we are speaking */ strlcat(scratch, " HTTP/1.0\r\n", scratch_len); /* send it */ php_stream_write(stream, scratch, strlen(scratch)); if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS && Z_STRLEN_PP(tmpzval)) { /* Remove newlines and spaces from start and end, php_trim will estrndup() */ tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC); if (strlen(tmp) > 0) { /* Output trimmed headers with \r\n at the end */ php_stream_write(stream, tmp, strlen(tmp)); php_stream_write(stream, "\r\n", sizeof("\r\n") - 1); /* Make lowercase for easy comparison against 'standard' headers */ php_strtolower(tmp, strlen(tmp)); if (strstr(tmp, "user-agent:")) { have_header |= HTTP_HEADER_USER_AGENT; } if (strstr(tmp, "host:")) { have_header |= HTTP_HEADER_HOST; } if (strstr(tmp, "from:")) { have_header |= HTTP_HEADER_FROM; } if (strstr(tmp, "authorization:")) { have_header |= HTTP_HEADER_AUTH; } } efree(tmp); } /* auth header if it was specified */ if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user && resource->pass) { /* decode the strings first */ php_url_decode(resource->user, strlen(resource->user)); php_url_decode(resource->pass, strlen(resource->pass)); /* scratch is large enough, since it was made large enough for the whole URL */ strcpy(scratch, resource->user); strcat(scratch, ":"); strcat(scratch, resource->pass); tmp = (char *)php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL); if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) { php_stream_write(stream, scratch, strlen(scratch)); php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0); } efree(tmp); tmp = NULL; } /* if the user has configured who they are, send a From: line */ if (((have_header & HTTP_HEADER_FROM) == 0) && cfg_get_string("from", &tmp) == SUCCESS) { if (snprintf(scratch, scratch_len, "From: %s\r\n", tmp) > 0) { php_stream_write(stream, scratch, strlen(scratch)); } } /* Send Host: header so name-based virtual hosts work */ if ((have_header & HTTP_HEADER_HOST) == 0) { if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) { if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0) { php_stream_write(stream, scratch, strlen(scratch)); } } else { if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) { php_stream_write(stream, scratch, strlen(scratch)); } } } if (context && php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS) { ua_str = Z_STRVAL_PP(ua_zval); } else if (FG(user_agent)) { ua_str = FG(user_agent); } if (ua_str) { #define _UA_HEADER "User-Agent: %s\r\n" char *ua; size_t ua_len; ua_len = sizeof(_UA_HEADER) + strlen(ua_str); /* ensure the header is only sent if user_agent is not blank */ if (ua_len > sizeof(_UA_HEADER)) { ua = (char *)emalloc(ua_len + 1); if ((ua_len = snprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) { ua[ua_len] = 0; php_stream_write(stream, ua, ua_len); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header"); } if (ua) { efree(ua); } } } php_stream_write(stream, "\r\n", sizeof("\r\n")-1); /* Request content, such as for POST requests */ if (context && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_STRLEN_PP(tmpzval) > 0) { php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); php_stream_write(stream, "\r\n\r\n", sizeof("\r\n\r\n")-1); } location[0] = '\0'; /* * We need to read the HTTP response header one-by-one, because * the original author did not know about MSG_PEEK. * The chunk_size will be reset later, once we have read the * header completely. */ if (options & STREAM_WILL_CAST) chunk_size = php_stream_set_chunk_size(stream, 1); if (!header_init && FAILURE == zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &response_header)) { header_init = 1; } if (header_init) { zval *tmp; MAKE_STD_ZVAL(tmp); array_init(tmp); ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", tmp); zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &response_header); } if (!php_stream_eof(stream)) { size_t tmp_line_len; /* get response header */ if (_php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len TSRMLS_CC) != NULL) { zval *http_response; int response_code; MAKE_STD_ZVAL(http_response); ZVAL_NULL(http_response); if (tmp_line_len > 9) { response_code = atoi(tmp_line + 9); } else { response_code = 0; } switch(response_code) { case 200: case 302: case 301: reqok = 1; break; case 403: php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT, tmp_line, response_code); break; default: /* safety net in the event tmp_line == NULL */ if (!tmp_line_len) { tmp_line[0] = '\0'; } php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE, tmp_line, response_code); } Z_STRLEN_P(http_response) = tmp_line_len; Z_STRVAL_P(http_response) = estrndup(tmp_line, Z_STRLEN_P(http_response)); if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\n') { Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0; Z_STRLEN_P(http_response)--; if (Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=='\r') { Z_STRVAL_P(http_response)[Z_STRLEN_P(http_response)-1]=0; Z_STRLEN_P(http_response)--; } } Z_TYPE_P(http_response) = IS_STRING; zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), &http_response, sizeof(zval *), NULL); } } else { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!"); goto out; } /* read past HTTP headers */ http_header_line = (char *)emalloc(HTTP_HEADER_BLOCK_SIZE); while (!body && !php_stream_eof(stream)) { if (php_stream_gets(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) { char *p; int found_eol = 0; int http_header_line_length; http_header_line[HTTP_HEADER_BLOCK_SIZE-1] = '\0'; p = http_header_line; while(*p) { while(*p == '\n' || *p == '\r') { *p = '\0'; p--; found_eol = 1; } if (found_eol) break; p++; } http_header_line_length = p-http_header_line+1; if (!strncasecmp(http_header_line, "Location: ", 10)) { strlcpy(location, http_header_line + 10, sizeof(location)); } else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) { php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0); } else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) { file_size = atoi(http_header_line + 16); php_stream_notify_file_size(context, file_size, http_header_line, 0); } if (http_header_line[0] == '\0') { body = 1; } else { zval *http_header; MAKE_STD_ZVAL(http_header); ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1); zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), &http_header, sizeof(zval *), NULL); } } else { break; } } if (!reqok || location[0] != '\0') { if (location[0] != '\0') php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0); php_stream_close(stream); stream = NULL; if (location[0] != '\0') { zval *entry, **entryp; char new_path[HTTP_HEADER_BLOCK_SIZE]; char loc_path[HTTP_HEADER_BLOCK_SIZE]; *new_path='\0'; if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) && strncasecmp(location, "https://", sizeof("https://")-1) && strncasecmp(location, "ftp://", sizeof("ftp://")-1) && strncasecmp(location, "ftps://", sizeof("ftps://")-1))) { if (*location != '/') { if (*(location+1) != '\0' && resource->path) { char *s = strrchr(resource->path, '/'); if (!s) { s = resource->path; if (!s[0]) { efree(s); s = resource->path = estrdup("/"); } else { *s = '/'; } } s[1] = '\0'; if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') { snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location); } else { snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location); } } else { snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location); } } else { strlcpy(loc_path, location, sizeof(loc_path)); } if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) { snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path); } else { snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path); } } else { strlcpy(new_path, location, sizeof(new_path)); } stream = php_stream_url_wrap_http_ex(NULL, new_path, mode, options, opened_path, context, --redirect_max, 0 STREAMS_CC TSRMLS_CC); if (stream && stream->wrapperdata) { entryp = &entry; MAKE_STD_ZVAL(entry); ZVAL_EMPTY_STRING(entry); zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), entryp, sizeof(zval *), NULL); zend_hash_internal_pointer_reset(Z_ARRVAL_P(stream->wrapperdata)); while (zend_hash_get_current_data(Z_ARRVAL_P(stream->wrapperdata), (void **)&entryp) == SUCCESS) { zval_add_ref(entryp); zend_hash_next_index_insert(Z_ARRVAL_PP(response_header), entryp, sizeof(zval *), NULL); zend_hash_move_forward(Z_ARRVAL_P(stream->wrapperdata)); } zval_dtor(stream->wrapperdata); FREE_ZVAL(stream->wrapperdata); } } else { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed! %s", tmp_line); } } out: if (http_header_line) efree(http_header_line); if (scratch) efree(scratch); php_url_free(resource); if (stream) { if (header_init) { stream->wrapperdata = *response_header; zval_add_ref(response_header); } php_stream_notify_progress_init(context, 0, file_size); /* Restore original chunk size now that we're done with headers (if applicable) */ if (options & STREAM_WILL_CAST) php_stream_set_chunk_size(stream, chunk_size); /* restore the users auto-detect-line-endings setting */ stream->flags |= eol_detect; /* as far as streams are concerned, we are now at the start of * the stream */ stream->position = 0; } return stream; }
php_http_message_parser_state_t php_http_message_parser_parse_stream(php_http_message_parser_t *parser, php_http_buffer_t *buf, php_stream *s, unsigned flags, php_http_message_t **message) { php_http_message_parser_state_t state = PHP_HTTP_MESSAGE_PARSER_STATE_START; if (!buf->data) { php_http_buffer_resize_ex(buf, 0x1000, 1, 0); } while (1) { size_t justread = 0; #if DBG_PARSER fprintf(stderr, "#SP: %s (f:%u)\n", php_http_message_parser_state_name(state), flags); #endif /* resize if needed */ if (buf->free < 0x1000) { php_http_buffer_resize_ex(buf, 0x1000, 1, 0); } switch (state) { case PHP_HTTP_MESSAGE_PARSER_STATE_START: case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER: case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE: /* read line */ php_stream_get_line(s, buf->data + buf->used, buf->free, &justread); /* if we fail reading a whole line, try a single char */ if (!justread) { int c = php_stream_getc(s); if (c != EOF) { char s[1] = {c}; justread = php_http_buffer_append(buf, s, 1); } } php_http_buffer_account(buf, justread); break; case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB: /* read all */ justread = php_stream_read(s, buf->data + buf->used, buf->free); php_http_buffer_account(buf, justread); break; case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH: /* read body_length */ justread = php_stream_read(s, buf->data + buf->used, MIN(buf->free, parser->body_length)); php_http_buffer_account(buf, justread); break; case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED: /* duh, this is very naive */ if (parser->body_length) { justread = php_stream_read(s, buf->data + buf->used, MIN(parser->body_length, buf->free)); php_http_buffer_account(buf, justread); parser->body_length -= justread; } else { php_http_buffer_resize(buf, 24); php_stream_get_line(s, buf->data, buf->free, &justread); php_http_buffer_account(buf, justread); parser->body_length = strtoul(buf->data + buf->used - justread, NULL, 16); } break; case PHP_HTTP_MESSAGE_PARSER_STATE_BODY: case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE: case PHP_HTTP_MESSAGE_PARSER_STATE_UPDATE_CL: /* should not occur */ abort(); break; case PHP_HTTP_MESSAGE_PARSER_STATE_DONE: case PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE: return php_http_message_parser_state_is(parser); } if (justread) { state = php_http_message_parser_parse(parser, buf, flags, message); } else if (php_stream_eof(s)) { return php_http_message_parser_parse(parser, buf, flags | PHP_HTTP_MESSAGE_PARSER_CLEANUP, message); } else { return state; } } return PHP_HTTP_MESSAGE_PARSER_STATE_DONE; }
/* {{{ php_exec * If type==0, only last line of output is returned (exec) * If type==1, all lines will be printed and last lined returned (system) * If type==2, all lines will be saved to given array (exec with &$array) * If type==3, output will be printed binary, no lines will be saved or returned (passthru) * */ PHPAPI int php_exec(int type, char *cmd, zval *array, zval *return_value) { FILE *fp; char *buf; size_t l = 0; int pclose_return; char *b, *d=NULL; php_stream *stream; size_t buflen, bufl = 0; #if PHP_SIGCHILD void (*sig_handler)() = NULL; #endif #if PHP_SIGCHILD sig_handler = signal (SIGCHLD, SIG_DFL); #endif #ifdef PHP_WIN32 fp = VCWD_POPEN(cmd, "rb"); #else fp = VCWD_POPEN(cmd, "r"); #endif if (!fp) { php_error_docref(NULL, E_WARNING, "Unable to fork [%s]", cmd); goto err; } stream = php_stream_fopen_from_pipe(fp, "rb"); buf = (char *) emalloc(EXEC_INPUT_BUF); buflen = EXEC_INPUT_BUF; if (type != 3) { b = buf; while (php_stream_get_line(stream, b, EXEC_INPUT_BUF, &bufl)) { /* no new line found, let's read some more */ if (b[bufl - 1] != '\n' && !php_stream_eof(stream)) { if (buflen < (bufl + (b - buf) + EXEC_INPUT_BUF)) { bufl += b - buf; buflen = bufl + EXEC_INPUT_BUF; buf = erealloc(buf, buflen); b = buf + bufl; } else { b += bufl; } continue; } else if (b != buf) { bufl += b - buf; } if (type == 1) { PHPWRITE(buf, bufl); if (php_output_get_level() < 1) { sapi_flush(); } } else if (type == 2) { /* strip trailing whitespaces */ l = bufl; while (l >= 1 && l-- && isspace(((unsigned char *)buf)[l])); if (l != (bufl - 1)) { bufl = l + 1; buf[bufl] = '\0'; } add_next_index_stringl(array, buf, bufl); } b = buf; } if (bufl) { /* strip trailing whitespaces if we have not done so already */ if ((type == 2 && buf != b) || type != 2) { l = bufl; while (l >= 1 && l-- && isspace(((unsigned char *)buf)[l])); if (l != (bufl - 1)) { bufl = l + 1; buf[bufl] = '\0'; } if (type == 2) { add_next_index_stringl(array, buf, bufl); } } /* Return last line from the shell command */ RETVAL_STRINGL(buf, bufl); } else { /* should return NULL, but for BC we return "" */ RETVAL_EMPTY_STRING(); } } else { while((bufl = php_stream_read(stream, buf, EXEC_INPUT_BUF)) > 0) { PHPWRITE(buf, bufl); } } pclose_return = php_stream_close(stream); efree(buf); done: #if PHP_SIGCHILD if (sig_handler) { signal(SIGCHLD, sig_handler); } #endif if (d) { efree(d); } return pclose_return; err: pclose_return = -1; goto done; }
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, const char *path, const char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int flags STREAMS_DC TSRMLS_DC) /* {{{ */ { php_stream *stream = NULL; php_url *resource = NULL; int use_ssl; int use_proxy = 0; char *scratch = NULL; char *tmp = NULL; char *ua_str = NULL; zval **ua_zval = NULL, **tmpzval = NULL, *ssl_proxy_peer_name = NULL; int scratch_len = 0; int body = 0; char location[HTTP_HEADER_BLOCK_SIZE]; zval *response_header = NULL; int reqok = 0; char *http_header_line = NULL; char tmp_line[128]; size_t chunk_size = 0, file_size = 0; int eol_detect = 0; char *transport_string, *errstr = NULL; int transport_len, have_header = 0, request_fulluri = 0, ignore_errors = 0; char *protocol_version = NULL; int protocol_version_len = 3; /* Default: "1.0" */ struct timeval timeout; char *user_headers = NULL; int header_init = ((flags & HTTP_WRAPPER_HEADER_INIT) != 0); int redirected = ((flags & HTTP_WRAPPER_REDIRECTED) != 0); int follow_location = 1; php_stream_filter *transfer_encoding = NULL; int response_code; tmp_line[0] = '\0'; if (redirect_max < 1) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Redirection limit reached, aborting"); return NULL; } resource = php_url_parse(path); if (resource == NULL) { return NULL; } if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) { if (!context || php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == FAILURE || Z_TYPE_PP(tmpzval) != IS_STRING || Z_STRLEN_PP(tmpzval) <= 0) { php_url_free(resource); return php_stream_open_wrapper_ex(path, mode, REPORT_ERRORS, NULL, context); } /* Called from a non-http wrapper with http proxying requested (i.e. ftp) */ request_fulluri = 1; use_ssl = 0; use_proxy = 1; transport_len = Z_STRLEN_PP(tmpzval); transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); } else { /* Normal http request (possibly with proxy) */ if (strpbrk(mode, "awx+")) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections"); php_url_free(resource); return NULL; } use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's'; /* choose default ports */ if (use_ssl && resource->port == 0) resource->port = 443; else if (resource->port == 0) resource->port = 80; if (context && php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { use_proxy = 1; transport_len = Z_STRLEN_PP(tmpzval); transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); } else { transport_len = spprintf(&transport_string, 0, "%s://%s:%d", use_ssl ? "ssl" : "tcp", resource->host, resource->port); } } if (context && php_stream_context_get_option(context, wrapper->wops->label, "timeout", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_double_ex(tmpzval); timeout.tv_sec = (time_t) Z_DVAL_PP(tmpzval); timeout.tv_usec = (size_t) ((Z_DVAL_PP(tmpzval) - timeout.tv_sec) * 1000000); } else { timeout.tv_sec = FG(default_socket_timeout); timeout.tv_usec = 0; } stream = php_stream_xport_create(transport_string, transport_len, options, STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT, NULL, &timeout, context, &errstr, NULL); if (stream) { php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &timeout); } if (errstr) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", errstr); efree(errstr); errstr = NULL; } efree(transport_string); if (stream && use_proxy && use_ssl) { smart_str header = {0}; /* Set peer_name or name verification will try to use the proxy server name */ if (!context || php_stream_context_get_option(context, "ssl", "peer_name", &tmpzval) == FAILURE) { MAKE_STD_ZVAL(ssl_proxy_peer_name); ZVAL_STRING(ssl_proxy_peer_name, resource->host, 1); php_stream_context_set_option(stream->context, "ssl", "peer_name", ssl_proxy_peer_name); } smart_str_appendl(&header, "CONNECT ", sizeof("CONNECT ")-1); smart_str_appends(&header, resource->host); smart_str_appendc(&header, ':'); smart_str_append_unsigned(&header, resource->port); smart_str_appendl(&header, " HTTP/1.0\r\n", sizeof(" HTTP/1.0\r\n")-1); /* check if we have Proxy-Authorization header */ if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) { char *s, *p; if (Z_TYPE_PP(tmpzval) == IS_ARRAY) { HashPosition pos; zval **tmpheader = NULL; for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos); SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos); zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos)) { if (Z_TYPE_PP(tmpheader) == IS_STRING) { s = Z_STRVAL_PP(tmpheader); do { while (*s == ' ' || *s == '\t') s++; p = s; while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++; if (*p == ':') { p++; if (p - s == sizeof("Proxy-Authorization:") - 1 && zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1, "Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) { while (*p != 0 && *p != '\r' && *p !='\n') p++; smart_str_appendl(&header, s, p - s); smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1); goto finish; } else { while (*p != 0 && *p != '\r' && *p !='\n') p++; } } s = p; while (*s == '\r' || *s == '\n') s++; } while (*s != 0); } } } else if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) { s = Z_STRVAL_PP(tmpzval); do { while (*s == ' ' || *s == '\t') s++; p = s; while (*p != 0 && *p != ':' && *p != '\r' && *p !='\n') p++; if (*p == ':') { p++; if (p - s == sizeof("Proxy-Authorization:") - 1 && zend_binary_strcasecmp(s, sizeof("Proxy-Authorization:") - 1, "Proxy-Authorization:", sizeof("Proxy-Authorization:") - 1) == 0) { while (*p != 0 && *p != '\r' && *p !='\n') p++; smart_str_appendl(&header, s, p - s); smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1); goto finish; } else { while (*p != 0 && *p != '\r' && *p !='\n') p++; } } s = p; while (*s == '\r' || *s == '\n') s++; } while (*s != 0); } } finish: smart_str_appendl(&header, "\r\n", sizeof("\r\n")-1); if (php_stream_write(stream, header.c, header.len) != header.len) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy"); php_stream_close(stream); stream = NULL; } smart_str_free(&header); if (stream) { char header_line[HTTP_HEADER_BLOCK_SIZE]; /* get response header */ while (php_stream_gets(stream, header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) { if (header_line[0] == '\n' || header_line[0] == '\r' || header_line[0] == '\0') { break; } } } /* enable SSL transport layer */ if (stream) { if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_ANY_CLIENT, NULL TSRMLS_CC) < 0 || php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy"); php_stream_close(stream); stream = NULL; } } } if (stream == NULL) goto out; /* avoid buffering issues while reading header */ if (options & STREAM_WILL_CAST) chunk_size = php_stream_set_chunk_size(stream, 1); /* avoid problems with auto-detecting when reading the headers -> the headers * are always in canonical \r\n format */ eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); php_stream_context_set(stream, context TSRMLS_CC); php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0); if (header_init && context && php_stream_context_get_option(context, "http", "max_redirects", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_long_ex(tmpzval); redirect_max = Z_LVAL_PP(tmpzval); } if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) { if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { /* As per the RFC, automatically redirected requests MUST NOT use other methods than * GET and HEAD unless it can be confirmed by the user */ if (!redirected || (Z_STRLEN_PP(tmpzval) == 3 && memcmp("GET", Z_STRVAL_PP(tmpzval), 3) == 0) || (Z_STRLEN_PP(tmpzval) == 4 && memcmp("HEAD",Z_STRVAL_PP(tmpzval), 4) == 0) ) { scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval); scratch = emalloc(scratch_len); strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1); strncat(scratch, " ", 1); } } } if (context && php_stream_context_get_option(context, "http", "protocol_version", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_double_ex(tmpzval); protocol_version_len = spprintf(&protocol_version, 0, "%.1F", Z_DVAL_PP(tmpzval)); } if (!scratch) { scratch_len = strlen(path) + 29 + protocol_version_len; scratch = emalloc(scratch_len); strncpy(scratch, "GET ", scratch_len); } /* Should we send the entire path in the request line, default to no. */ if (!request_fulluri && context && php_stream_context_get_option(context, "http", "request_fulluri", &tmpzval) == SUCCESS) { zval ztmp = **tmpzval; zval_copy_ctor(&ztmp); convert_to_boolean(&ztmp); request_fulluri = Z_BVAL(ztmp) ? 1 : 0; zval_dtor(&ztmp); } if (request_fulluri) { /* Ask for everything */ strcat(scratch, path); } else { /* Send the traditional /path/to/file?query_string */ /* file */ if (resource->path && *resource->path) { strlcat(scratch, resource->path, scratch_len); } else { strlcat(scratch, "/", scratch_len); } /* query string */ if (resource->query) { strlcat(scratch, "?", scratch_len); strlcat(scratch, resource->query, scratch_len); } } /* protocol version we are speaking */ if (protocol_version) { strlcat(scratch, " HTTP/", scratch_len); strlcat(scratch, protocol_version, scratch_len); strlcat(scratch, "\r\n", scratch_len); } else { strlcat(scratch, " HTTP/1.0\r\n", scratch_len); } /* send it */ php_stream_write(stream, scratch, strlen(scratch)); if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS) { tmp = NULL; if (Z_TYPE_PP(tmpzval) == IS_ARRAY) { HashPosition pos; zval **tmpheader = NULL; smart_str tmpstr = {0}; for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(tmpzval), &pos); SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(tmpzval), (void *)&tmpheader, &pos); zend_hash_move_forward_ex(Z_ARRVAL_PP(tmpzval), &pos) ) { if (Z_TYPE_PP(tmpheader) == IS_STRING) { smart_str_appendl(&tmpstr, Z_STRVAL_PP(tmpheader), Z_STRLEN_PP(tmpheader)); smart_str_appendl(&tmpstr, "\r\n", sizeof("\r\n") - 1); } } smart_str_0(&tmpstr); /* Remove newlines and spaces from start and end. there's at least one extra \r\n at the end that needs to go. */ if (tmpstr.c) { tmp = php_trim(tmpstr.c, strlen(tmpstr.c), NULL, 0, NULL, 3 TSRMLS_CC); smart_str_free(&tmpstr); } } if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) { /* Remove newlines and spaces from start and end php_trim will estrndup() */ tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC); } if (tmp && strlen(tmp) > 0) { char *s; user_headers = estrdup(tmp); /* Make lowercase for easy comparison against 'standard' headers */ php_strtolower(tmp, strlen(tmp)); if (!header_init) { /* strip POST headers on redirect */ strip_header(user_headers, tmp, "content-length:"); strip_header(user_headers, tmp, "content-type:"); } if ((s = strstr(tmp, "user-agent:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_USER_AGENT; } if ((s = strstr(tmp, "host:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_HOST; } if ((s = strstr(tmp, "from:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_FROM; } if ((s = strstr(tmp, "authorization:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_AUTH; } if ((s = strstr(tmp, "content-length:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_CONTENT_LENGTH; } if ((s = strstr(tmp, "content-type:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_TYPE; } if ((s = strstr(tmp, "connection:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { have_header |= HTTP_HEADER_CONNECTION; } /* remove Proxy-Authorization header */ if (use_proxy && use_ssl && (s = strstr(tmp, "proxy-authorization:")) && (s == tmp || *(s-1) == '\r' || *(s-1) == '\n' || *(s-1) == '\t' || *(s-1) == ' ')) { char *p = s + sizeof("proxy-authorization:") - 1; while (s > tmp && (*(s-1) == ' ' || *(s-1) == '\t')) s--; while (*p != 0 && *p != '\r' && *p != '\n') p++; while (*p == '\r' || *p == '\n') p++; if (*p == 0) { if (s == tmp) { efree(user_headers); user_headers = NULL; } else { while (s > tmp && (*(s-1) == '\r' || *(s-1) == '\n')) s--; user_headers[s - tmp] = 0; } } else { memmove(user_headers + (s - tmp), user_headers + (p - tmp), strlen(p) + 1); } } } if (tmp) { efree(tmp); } } /* auth header if it was specified */ if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user) { /* decode the strings first */ php_url_decode(resource->user, strlen(resource->user)); /* scratch is large enough, since it was made large enough for the whole URL */ strcpy(scratch, resource->user); strcat(scratch, ":"); /* Note: password is optional! */ if (resource->pass) { php_url_decode(resource->pass, strlen(resource->pass)); strcat(scratch, resource->pass); } tmp = (char*)php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL); if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) { php_stream_write(stream, scratch, strlen(scratch)); php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0); } efree(tmp); tmp = NULL; } /* if the user has configured who they are, send a From: line */ if (((have_header & HTTP_HEADER_FROM) == 0) && FG(from_address)) { if (snprintf(scratch, scratch_len, "From: %s\r\n", FG(from_address)) > 0) php_stream_write(stream, scratch, strlen(scratch)); } /* Send Host: header so name-based virtual hosts work */ if ((have_header & HTTP_HEADER_HOST) == 0) { if ((use_ssl && resource->port != 443 && resource->port != 0) || (!use_ssl && resource->port != 80 && resource->port != 0)) { if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0) php_stream_write(stream, scratch, strlen(scratch)); } else { if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) { php_stream_write(stream, scratch, strlen(scratch)); } } } /* Send a Connection: close header when using HTTP 1.1 or later to avoid * hanging when the server interprets the RFC literally and establishes a * keep-alive connection, unless the user specifically requests something * else by specifying a Connection header in the context options. */ if (protocol_version && ((have_header & HTTP_HEADER_CONNECTION) == 0) && (strncmp(protocol_version, "1.0", MIN(protocol_version_len, 3)) > 0)) { php_stream_write_string(stream, "Connection: close\r\n"); } if (context && php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS && Z_TYPE_PP(ua_zval) == IS_STRING) { ua_str = Z_STRVAL_PP(ua_zval); } else if (FG(user_agent)) { ua_str = FG(user_agent); } if (((have_header & HTTP_HEADER_USER_AGENT) == 0) && ua_str) { #define _UA_HEADER "User-Agent: %s\r\n" char *ua; size_t ua_len; ua_len = sizeof(_UA_HEADER) + strlen(ua_str); /* ensure the header is only sent if user_agent is not blank */ if (ua_len > sizeof(_UA_HEADER)) { ua = emalloc(ua_len + 1); if ((ua_len = slprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) { ua[ua_len] = 0; php_stream_write(stream, ua, ua_len); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header"); } if (ua) { efree(ua); } } } if (user_headers) { /* A bit weird, but some servers require that Content-Length be sent prior to Content-Type for POST * see bug #44603 for details. Since Content-Type maybe part of user's headers we need to do this check first. */ if ( header_init && context && !(have_header & HTTP_HEADER_CONTENT_LENGTH) && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0 ) { scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval)); php_stream_write(stream, scratch, scratch_len); have_header |= HTTP_HEADER_CONTENT_LENGTH; } php_stream_write(stream, user_headers, strlen(user_headers)); php_stream_write(stream, "\r\n", sizeof("\r\n")-1); efree(user_headers); } /* Request content, such as for POST requests */ if (header_init && context && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { if (!(have_header & HTTP_HEADER_CONTENT_LENGTH)) { scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval)); php_stream_write(stream, scratch, scratch_len); } if (!(have_header & HTTP_HEADER_TYPE)) { php_stream_write(stream, "Content-Type: application/x-www-form-urlencoded\r\n", sizeof("Content-Type: application/x-www-form-urlencoded\r\n") - 1); php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Content-type not specified assuming application/x-www-form-urlencoded"); } php_stream_write(stream, "\r\n", sizeof("\r\n")-1); php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); } else { php_stream_write(stream, "\r\n", sizeof("\r\n")-1); } location[0] = '\0'; if (!EG(active_symbol_table)) { zend_rebuild_symbol_table(TSRMLS_C); } if (header_init) { zval *ztmp; MAKE_STD_ZVAL(ztmp); array_init(ztmp); ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", ztmp); } { zval **rh; zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &rh); response_header = *rh; } if (!php_stream_eof(stream)) { size_t tmp_line_len; /* get response header */ if (php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len) != NULL) { zval *http_response; if (tmp_line_len > 9) { response_code = atoi(tmp_line + 9); } else { response_code = 0; } if (context && SUCCESS==php_stream_context_get_option(context, "http", "ignore_errors", &tmpzval)) { ignore_errors = zend_is_true(*tmpzval TSRMLS_CC); } /* when we request only the header, don't fail even on error codes */ if ((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) { reqok = 1; } /* all status codes in the 2xx range are defined by the specification as successful; * all status codes in the 3xx range are for redirection, and so also should never * fail */ if (response_code >= 200 && response_code < 400) { reqok = 1; } else { switch(response_code) { case 403: php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT, tmp_line, response_code); break; default: /* safety net in the event tmp_line == NULL */ if (!tmp_line_len) { tmp_line[0] = '\0'; } php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE, tmp_line, response_code); } } if (tmp_line[tmp_line_len - 1] == '\n') { --tmp_line_len; if (tmp_line[tmp_line_len - 1] == '\r') { --tmp_line_len; } } MAKE_STD_ZVAL(http_response); ZVAL_STRINGL(http_response, tmp_line, tmp_line_len, 1); zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL); } } else { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!"); goto out; } /* read past HTTP headers */ http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE); while (!body && !php_stream_eof(stream)) { size_t http_header_line_length; if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) && *http_header_line != '\n' && *http_header_line != '\r') { char *e = http_header_line + http_header_line_length - 1; if (*e != '\n') { do { /* partial header */ if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) == NULL) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Failed to read HTTP headers"); goto out; } e = http_header_line + http_header_line_length - 1; } while (*e != '\n'); continue; } while (*e == '\n' || *e == '\r') { e--; } http_header_line_length = e - http_header_line + 1; http_header_line[http_header_line_length] = '\0'; if (!strncasecmp(http_header_line, "Location: ", 10)) { if (context && php_stream_context_get_option(context, "http", "follow_location", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_long_ex(tmpzval); follow_location = Z_LVAL_PP(tmpzval); } else if (!(response_code >= 300 && response_code < 304 || 307 == response_code || 308 == response_code)) { /* we shouldn't redirect automatically if follow_location isn't set and response_code not in (300, 301, 302, 303 and 307) see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.1 RFC 7238 defines 308: http://tools.ietf.org/html/rfc7238 */ follow_location = 0; } strlcpy(location, http_header_line + 10, sizeof(location)); } else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) { php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0); } else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) { file_size = atoi(http_header_line + 16); php_stream_notify_file_size(context, file_size, http_header_line, 0); } else if (!strncasecmp(http_header_line, "Transfer-Encoding: chunked", sizeof("Transfer-Encoding: chunked"))) { /* create filter to decode response body */ if (!(options & STREAM_ONLY_GET_HEADERS)) { long decode = 1; if (context && php_stream_context_get_option(context, "http", "auto_decode", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_boolean(*tmpzval); decode = Z_LVAL_PP(tmpzval); } if (decode) { transfer_encoding = php_stream_filter_create("dechunk", NULL, php_stream_is_persistent(stream) TSRMLS_CC); if (transfer_encoding) { /* don't store transfer-encodeing header */ continue; } } } } if (http_header_line[0] == '\0') { body = 1; } else { zval *http_header; MAKE_STD_ZVAL(http_header); ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1); zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL); } } else { break; } } if (!reqok || (location[0] != '\0' && follow_location)) { if (!follow_location || (((options & STREAM_ONLY_GET_HEADERS) || ignore_errors) && redirect_max <= 1)) { goto out; } if (location[0] != '\0') php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0); php_stream_close(stream); stream = NULL; if (location[0] != '\0') { char new_path[HTTP_HEADER_BLOCK_SIZE]; char loc_path[HTTP_HEADER_BLOCK_SIZE]; *new_path='\0'; if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) && strncasecmp(location, "https://", sizeof("https://")-1) && strncasecmp(location, "ftp://", sizeof("ftp://")-1) && strncasecmp(location, "ftps://", sizeof("ftps://")-1))) { if (*location != '/') { if (*(location+1) != '\0' && resource->path) { char *s = strrchr(resource->path, '/'); if (!s) { s = resource->path; if (!s[0]) { efree(s); s = resource->path = estrdup("/"); } else { *s = '/'; } } s[1] = '\0'; if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') { snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location); } else { snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location); } } else { snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location); } } else { strlcpy(loc_path, location, sizeof(loc_path)); } if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) { snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path); } else { snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path); } } else { strlcpy(new_path, location, sizeof(new_path)); } php_url_free(resource); /* check for invalid redirection URLs */ if ((resource = php_url_parse(new_path)) == NULL) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); goto out; } #define CHECK_FOR_CNTRL_CHARS(val) { \ if (val) { \ unsigned char *s, *e; \ int l; \ l = php_url_decode(val, strlen(val)); \ s = (unsigned char*)val; e = s + l; \ while (s < e) { \ if (iscntrl(*s)) { \ php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); \ goto out; \ } \ s++; \ } \ } \ } /* check for control characters in login, password & path */ if (strncasecmp(new_path, "http://", sizeof("http://") - 1) || strncasecmp(new_path, "https://", sizeof("https://") - 1)) { CHECK_FOR_CNTRL_CHARS(resource->user) CHECK_FOR_CNTRL_CHARS(resource->pass) CHECK_FOR_CNTRL_CHARS(resource->path) } stream = php_stream_url_wrap_http_ex(wrapper, new_path, mode, options, opened_path, context, --redirect_max, HTTP_WRAPPER_REDIRECTED STREAMS_CC TSRMLS_CC); } else {
/* {{{ ftp_put */ int ftp_put(ftpbuf_t *ftp, const char *path, php_stream *instream, ftptype_t type, zend_long startpos) { databuf_t *data = NULL; zend_long size; char *ptr; int ch; char arg[11]; if (ftp == NULL) { return 0; } if (!ftp_type(ftp, type)) { goto bail; } if ((data = ftp_getdata(ftp)) == NULL) { goto bail; } ftp->data = data; if (startpos > 0) { snprintf(arg, sizeof(arg), ZEND_LONG_FMT, startpos); if (!ftp_putcmd(ftp, "REST", arg)) { goto bail; } if (!ftp_getresp(ftp) || (ftp->resp != 350)) { goto bail; } } if (!ftp_putcmd(ftp, "STOR", path)) { goto bail; } if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) { goto bail; } if ((data = data_accept(data, ftp)) == NULL) { goto bail; } size = 0; ptr = data->buf; while (!php_stream_eof(instream) && (ch = php_stream_getc(instream))!=EOF) { /* flush if necessary */ if (FTP_BUFSIZE - size < 2) { if (my_send(ftp, data->fd, data->buf, size) != size) { goto bail; } ptr = data->buf; size = 0; } if (ch == '\n' && type == FTPTYPE_ASCII) { *ptr++ = '\r'; size++; } *ptr++ = ch; size++; } if (size && my_send(ftp, data->fd, data->buf, size) != size) { goto bail; } ftp->data = data = data_close(ftp, data); if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250 && ftp->resp != 200)) { goto bail; } return 1; bail: ftp->data = data_close(ftp, data); return 0; }
php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper, char *path, char *mode, int options, char **opened_path, php_stream_context *context, int redirect_max, int header_init STREAMS_DC TSRMLS_DC) { php_stream *stream = NULL; php_url *resource = NULL; int use_ssl; int use_proxy = 0; char *scratch = NULL; char *tmp = NULL; char *ua_str = NULL; zval **ua_zval = NULL, **tmpzval = NULL; int scratch_len = 0; int body = 0; char location[HTTP_HEADER_BLOCK_SIZE]; zval *response_header = NULL; int reqok = 0; char *http_header_line = NULL; char tmp_line[128]; size_t chunk_size = 0, file_size = 0; int eol_detect = 0; char *transport_string, *errstr = NULL; int transport_len, have_header = 0, request_fulluri = 0; char *protocol_version = NULL; int protocol_version_len = 3; /* Default: "1.0" */ struct timeval timeout; char *user_headers = NULL; tmp_line[0] = '\0'; if (redirect_max < 1) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Redirection limit reached, aborting"); return NULL; } resource = php_url_parse(path); if (resource == NULL) { return NULL; } if (strncasecmp(resource->scheme, "http", sizeof("http")) && strncasecmp(resource->scheme, "https", sizeof("https"))) { if (!context || php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == FAILURE || Z_TYPE_PP(tmpzval) != IS_STRING || Z_STRLEN_PP(tmpzval) <= 0) { php_url_free(resource); return php_stream_open_wrapper_ex(path, mode, REPORT_ERRORS, NULL, context); } /* Called from a non-http wrapper with http proxying requested (i.e. ftp) */ request_fulluri = 1; use_ssl = 0; use_proxy = 1; transport_len = Z_STRLEN_PP(tmpzval); transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); } else { /* Normal http request (possibly with proxy) */ if (strpbrk(mode, "awx+")) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP wrapper does not support writeable connections"); php_url_free(resource); return NULL; } use_ssl = resource->scheme && (strlen(resource->scheme) > 4) && resource->scheme[4] == 's'; /* choose default ports */ if (use_ssl && resource->port == 0) resource->port = 443; else if (resource->port == 0) resource->port = 80; if (context && php_stream_context_get_option(context, wrapper->wops->label, "proxy", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { use_proxy = 1; transport_len = Z_STRLEN_PP(tmpzval); transport_string = estrndup(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); } else { transport_len = spprintf(&transport_string, 0, "%s://%s:%d", use_ssl ? "ssl" : "tcp", resource->host, resource->port); } } if (context && php_stream_context_get_option(context, wrapper->wops->label, "timeout", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_double_ex(tmpzval); timeout.tv_sec = (time_t) Z_DVAL_PP(tmpzval); timeout.tv_usec = (size_t) ((Z_DVAL_PP(tmpzval) - timeout.tv_sec) * 1000000); } else { timeout.tv_sec = FG(default_socket_timeout); timeout.tv_usec = 0; } stream = php_stream_xport_create(transport_string, transport_len, options, STREAM_XPORT_CLIENT | STREAM_XPORT_CONNECT, NULL, &timeout, context, &errstr, NULL); if (stream) { php_stream_set_option(stream, PHP_STREAM_OPTION_READ_TIMEOUT, 0, &timeout); } if (errstr) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "%s", errstr); efree(errstr); errstr = NULL; } efree(transport_string); if (stream && use_proxy && use_ssl) { smart_str header = {0}; smart_str_appendl(&header, "CONNECT ", sizeof("CONNECT ")-1); smart_str_appends(&header, resource->host); smart_str_appendc(&header, ':'); smart_str_append_unsigned(&header, resource->port); smart_str_appendl(&header, " HTTP/1.0\r\n\r\n", sizeof(" HTTP/1.0\r\n\r\n")-1); if (php_stream_write(stream, header.c, header.len) != header.len) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy"); php_stream_close(stream); stream = NULL; } smart_str_free(&header); if (stream) { char header_line[HTTP_HEADER_BLOCK_SIZE]; /* get response header */ while (php_stream_gets(stream, header_line, HTTP_HEADER_BLOCK_SIZE-1) != NULL) { if (header_line[0] == '\n' || header_line[0] == '\r' || header_line[0] == '\0') { break; } } } /* enable SSL transport layer */ if (stream) { if (php_stream_xport_crypto_setup(stream, STREAM_CRYPTO_METHOD_SSLv23_CLIENT, NULL TSRMLS_CC) < 0 || php_stream_xport_crypto_enable(stream, 1 TSRMLS_CC) < 0) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Cannot connect to HTTPS server through proxy"); php_stream_close(stream); stream = NULL; } } } if (stream == NULL) goto out; /* avoid buffering issues while reading header */ if (options & STREAM_WILL_CAST) chunk_size = php_stream_set_chunk_size(stream, 1); /* avoid problems with auto-detecting when reading the headers -> the headers * are always in canonical \r\n format */ eol_detect = stream->flags & (PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); stream->flags &= ~(PHP_STREAM_FLAG_DETECT_EOL | PHP_STREAM_FLAG_EOL_MAC); php_stream_context_set(stream, context); php_stream_notify_info(context, PHP_STREAM_NOTIFY_CONNECT, NULL, 0); if (header_init && context && php_stream_context_get_option(context, "http", "max_redirects", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_long_ex(tmpzval); redirect_max = Z_LVAL_PP(tmpzval); } if (context && php_stream_context_get_option(context, "http", "method", &tmpzval) == SUCCESS) { if (Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { scratch_len = strlen(path) + 29 + Z_STRLEN_PP(tmpzval); scratch = emalloc(scratch_len); strlcpy(scratch, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval) + 1); strcat(scratch, " "); } } if (context && php_stream_context_get_option(context, "http", "protocol_version", &tmpzval) == SUCCESS) { SEPARATE_ZVAL(tmpzval); convert_to_double_ex(tmpzval); protocol_version_len = spprintf(&protocol_version, 0, "%.1F", Z_DVAL_PP(tmpzval)); } if (!scratch) { scratch_len = strlen(path) + 29 + protocol_version_len; scratch = emalloc(scratch_len); strcpy(scratch, "GET "); } /* Should we send the entire path in the request line, default to no. */ if (!request_fulluri && context && php_stream_context_get_option(context, "http", "request_fulluri", &tmpzval) == SUCCESS) { zval tmp = **tmpzval; zval_copy_ctor(&tmp); convert_to_boolean(&tmp); request_fulluri = Z_BVAL(tmp) ? 1 : 0; zval_dtor(&tmp); } if (request_fulluri) { /* Ask for everything */ strcat(scratch, path); } else { /* Send the traditional /path/to/file?query_string */ /* file */ if (resource->path && *resource->path) { strlcat(scratch, resource->path, scratch_len); } else { strlcat(scratch, "/", scratch_len); } /* query string */ if (resource->query) { strlcat(scratch, "?", scratch_len); strlcat(scratch, resource->query, scratch_len); } } /* protocol version we are speaking */ if (protocol_version) { strlcat(scratch, " HTTP/", scratch_len); strlcat(scratch, protocol_version, scratch_len); strlcat(scratch, "\r\n", scratch_len); efree(protocol_version); protocol_version = NULL; } else { strlcat(scratch, " HTTP/1.0\r\n", scratch_len); } /* send it */ php_stream_write(stream, scratch, strlen(scratch)); if (context && php_stream_context_get_option(context, "http", "header", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval)) { /* Remove newlines and spaces from start and end, php_trim will estrndup() */ tmp = php_trim(Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval), NULL, 0, NULL, 3 TSRMLS_CC); if (strlen(tmp) > 0) { if (!header_init) { /* Remove post headers for redirects */ int l = strlen(tmp); char *s, *s2, *tmp_c = estrdup(tmp); php_strtolower(tmp_c, l); if ((s = strstr(tmp_c, "content-length:"))) { if ((s2 = memchr(s, '\n', tmp_c + l - s))) { int b = tmp_c + l - 1 - s2; memmove(tmp, tmp + (s2 + 1 - tmp_c), b); memmove(tmp_c, s2 + 1, b); } else { tmp[s - tmp_c] = *s = '\0'; } l = strlen(tmp_c); } if ((s = strstr(tmp_c, "content-type:"))) { if ((s2 = memchr(s, '\n', tmp_c + l - s))) { memmove(tmp, tmp + (s2 + 1 - tmp_c), tmp_c + l - 1 - s2); } else { tmp[s - tmp_c] = '\0'; } } efree(tmp_c); tmp_c = php_trim(tmp, strlen(tmp), NULL, 0, NULL, 3 TSRMLS_CC); efree(tmp); tmp = tmp_c; } user_headers = estrdup(tmp); /* Make lowercase for easy comparison against 'standard' headers */ php_strtolower(tmp, strlen(tmp)); if (strstr(tmp, "user-agent:")) { have_header |= HTTP_HEADER_USER_AGENT; } if (strstr(tmp, "host:")) { have_header |= HTTP_HEADER_HOST; } if (strstr(tmp, "from:")) { have_header |= HTTP_HEADER_FROM; } if (strstr(tmp, "authorization:")) { have_header |= HTTP_HEADER_AUTH; } if (strstr(tmp, "content-length:")) { have_header |= HTTP_HEADER_CONTENT_LENGTH; } if (strstr(tmp, "content-type:")) { have_header |= HTTP_HEADER_TYPE; } } efree(tmp); } /* auth header if it was specified */ if (((have_header & HTTP_HEADER_AUTH) == 0) && resource->user && resource->pass) { /* decode the strings first */ php_url_decode(resource->user, strlen(resource->user)); php_url_decode(resource->pass, strlen(resource->pass)); /* scratch is large enough, since it was made large enough for the whole URL */ strcpy(scratch, resource->user); strcat(scratch, ":"); strcat(scratch, resource->pass); tmp = php_base64_encode((unsigned char*)scratch, strlen(scratch), NULL); if (snprintf(scratch, scratch_len, "Authorization: Basic %s\r\n", tmp) > 0) { php_stream_write(stream, scratch, strlen(scratch)); php_stream_notify_info(context, PHP_STREAM_NOTIFY_AUTH_REQUIRED, NULL, 0); } efree(tmp); tmp = NULL; } /* if the user has configured who they are, send a From: line */ if (((have_header & HTTP_HEADER_FROM) == 0) && cfg_get_string("from", &tmp) == SUCCESS) { if (snprintf(scratch, scratch_len, "From: %s\r\n", tmp) > 0) php_stream_write(stream, scratch, strlen(scratch)); } /* Send Host: header so name-based virtual hosts work */ if ((have_header & HTTP_HEADER_HOST) == 0) { if ((use_ssl && resource->port != 443 && resource->port != 0) || (!use_ssl && resource->port != 80 && resource->port != 0)) { if (snprintf(scratch, scratch_len, "Host: %s:%i\r\n", resource->host, resource->port) > 0) php_stream_write(stream, scratch, strlen(scratch)); } else { if (snprintf(scratch, scratch_len, "Host: %s\r\n", resource->host) > 0) { php_stream_write(stream, scratch, strlen(scratch)); } } } if (context && php_stream_context_get_option(context, "http", "user_agent", &ua_zval) == SUCCESS && Z_TYPE_PP(ua_zval) == IS_STRING) { ua_str = Z_STRVAL_PP(ua_zval); } else if (FG(user_agent)) { ua_str = FG(user_agent); } if (((have_header & HTTP_HEADER_USER_AGENT) == 0) && ua_str) { #define _UA_HEADER "User-Agent: %s\r\n" char *ua; size_t ua_len; ua_len = sizeof(_UA_HEADER) + strlen(ua_str); /* ensure the header is only sent if user_agent is not blank */ if (ua_len > sizeof(_UA_HEADER)) { ua = emalloc(ua_len + 1); if ((ua_len = slprintf(ua, ua_len, _UA_HEADER, ua_str)) > 0) { ua[ua_len] = 0; php_stream_write(stream, ua, ua_len); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot construct User-agent header"); } if (ua) { efree(ua); } } } if (user_headers) { /* A bit weird, but some servers require that Content-Length be sent prior to Content-Type for POST * see bug #44603 for details. Since Content-Type maybe part of user's headers we need to do this check first. */ if ( header_init && context && !(have_header & HTTP_HEADER_CONTENT_LENGTH) && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0 ) { scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval)); php_stream_write(stream, scratch, scratch_len); have_header |= HTTP_HEADER_CONTENT_LENGTH; } php_stream_write(stream, user_headers, strlen(user_headers)); php_stream_write(stream, "\r\n", sizeof("\r\n")-1); efree(user_headers); } /* Request content, such as for POST requests */ if (header_init && context && php_stream_context_get_option(context, "http", "content", &tmpzval) == SUCCESS && Z_TYPE_PP(tmpzval) == IS_STRING && Z_STRLEN_PP(tmpzval) > 0) { if (!(have_header & HTTP_HEADER_CONTENT_LENGTH)) { scratch_len = slprintf(scratch, scratch_len, "Content-Length: %d\r\n", Z_STRLEN_PP(tmpzval)); php_stream_write(stream, scratch, scratch_len); } if (!(have_header & HTTP_HEADER_TYPE)) { php_stream_write(stream, "Content-Type: application/x-www-form-urlencoded\r\n", sizeof("Content-Type: application/x-www-form-urlencoded\r\n") - 1); php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Content-type not specified assuming application/x-www-form-urlencoded"); } php_stream_write(stream, "\r\n", sizeof("\r\n")-1); php_stream_write(stream, Z_STRVAL_PP(tmpzval), Z_STRLEN_PP(tmpzval)); php_stream_write(stream, "\r\n\r\n", sizeof("\r\n\r\n")-1); } else { php_stream_write(stream, "\r\n", sizeof("\r\n")-1); } location[0] = '\0'; if (header_init) { zval *tmp; MAKE_STD_ZVAL(tmp); array_init(tmp); ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", tmp); } { zval **rh; zend_hash_find(EG(active_symbol_table), "http_response_header", sizeof("http_response_header"), (void **) &rh); response_header = *rh; } if (!php_stream_eof(stream)) { size_t tmp_line_len; /* get response header */ if (php_stream_get_line(stream, tmp_line, sizeof(tmp_line) - 1, &tmp_line_len) != NULL) { zval *http_response; int response_code; if (tmp_line_len > 9) { response_code = atoi(tmp_line + 9); } else { response_code = 0; } /* when we request only the header, don't fail even on error codes */ if (options & STREAM_ONLY_GET_HEADERS) { reqok = 1; } switch(response_code) { case 200: case 206: /* partial content */ case 302: case 303: case 301: reqok = 1; break; case 403: php_stream_notify_error(context, PHP_STREAM_NOTIFY_AUTH_RESULT, tmp_line, response_code); break; default: /* safety net in the event tmp_line == NULL */ if (!tmp_line_len) { tmp_line[0] = '\0'; } php_stream_notify_error(context, PHP_STREAM_NOTIFY_FAILURE, tmp_line, response_code); } if (tmp_line[tmp_line_len - 1] == '\n') { --tmp_line_len; if (tmp_line[tmp_line_len - 1] == '\r') { --tmp_line_len; } } MAKE_STD_ZVAL(http_response); ZVAL_STRINGL(http_response, tmp_line, tmp_line_len, 1); zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_response, sizeof(zval *), NULL); } } else { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "HTTP request failed, unexpected end of socket!"); goto out; } /* read past HTTP headers */ http_header_line = emalloc(HTTP_HEADER_BLOCK_SIZE); while (!body && !php_stream_eof(stream)) { size_t http_header_line_length; if (php_stream_get_line(stream, http_header_line, HTTP_HEADER_BLOCK_SIZE, &http_header_line_length) && *http_header_line != '\n' && *http_header_line != '\r') { char *e = http_header_line + http_header_line_length - 1; while (*e == '\n' || *e == '\r') { e--; } http_header_line_length = e - http_header_line + 1; http_header_line[http_header_line_length] = '\0'; if (!strncasecmp(http_header_line, "Location: ", 10)) { strlcpy(location, http_header_line + 10, sizeof(location)); } else if (!strncasecmp(http_header_line, "Content-Type: ", 14)) { php_stream_notify_info(context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, http_header_line + 14, 0); } else if (!strncasecmp(http_header_line, "Content-Length: ", 16)) { file_size = atoi(http_header_line + 16); php_stream_notify_file_size(context, file_size, http_header_line, 0); } if (http_header_line[0] == '\0') { body = 1; } else { zval *http_header; MAKE_STD_ZVAL(http_header); ZVAL_STRINGL(http_header, http_header_line, http_header_line_length, 1); zend_hash_next_index_insert(Z_ARRVAL_P(response_header), &http_header, sizeof(zval *), NULL); } } else { break; } } if (!reqok || location[0] != '\0') { if (options & STREAM_ONLY_GET_HEADERS && redirect_max <= 1) { goto out; } if (location[0] != '\0') php_stream_notify_info(context, PHP_STREAM_NOTIFY_REDIRECTED, location, 0); php_stream_close(stream); stream = NULL; if (location[0] != '\0') { char new_path[HTTP_HEADER_BLOCK_SIZE]; char loc_path[HTTP_HEADER_BLOCK_SIZE]; *new_path='\0'; if (strlen(location)<8 || (strncasecmp(location, "http://", sizeof("http://")-1) && strncasecmp(location, "https://", sizeof("https://")-1) && strncasecmp(location, "ftp://", sizeof("ftp://")-1) && strncasecmp(location, "ftps://", sizeof("ftps://")-1))) { if (*location != '/') { if (*(location+1) != '\0' && resource->path) { char *s = strrchr(resource->path, '/'); if (!s) { s = resource->path; if (!s[0]) { efree(s); s = resource->path = estrdup("/"); } else { *s = '/'; } } s[1] = '\0'; if (resource->path && *(resource->path) == '/' && *(resource->path + 1) == '\0') { snprintf(loc_path, sizeof(loc_path) - 1, "%s%s", resource->path, location); } else { snprintf(loc_path, sizeof(loc_path) - 1, "%s/%s", resource->path, location); } } else { snprintf(loc_path, sizeof(loc_path) - 1, "/%s", location); } } else { strlcpy(loc_path, location, sizeof(loc_path)); } if ((use_ssl && resource->port != 443) || (!use_ssl && resource->port != 80)) { snprintf(new_path, sizeof(new_path) - 1, "%s://%s:%d%s", resource->scheme, resource->host, resource->port, loc_path); } else { snprintf(new_path, sizeof(new_path) - 1, "%s://%s%s", resource->scheme, resource->host, loc_path); } } else { strlcpy(new_path, location, sizeof(new_path)); } php_url_free(resource); /* check for invalid redirection URLs */ if ((resource = php_url_parse(new_path)) == NULL) { php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); goto out; } #define CHECK_FOR_CNTRL_CHARS(val) { \ if (val) { \ unsigned char *s, *e; \ int l; \ l = php_url_decode(val, strlen(val)); \ s = val; e = s + l; \ while (s < e) { \ if (iscntrl(*s)) { \ php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "Invalid redirect URL! %s", new_path); \ goto out; \ } \ s++; \ } \ } \ } \ /* check for control characters in login, password & path */ if (strncasecmp(new_path, "http://", sizeof("http://") - 1) || strncasecmp(new_path, "https://", sizeof("https://") - 1)) { CHECK_FOR_CNTRL_CHARS(resource->user) CHECK_FOR_CNTRL_CHARS(resource->pass) CHECK_FOR_CNTRL_CHARS(resource->path) } stream = php_stream_url_wrap_http_ex(wrapper, new_path, mode, options, opened_path, context, --redirect_max, 0 STREAMS_CC TSRMLS_CC); } else {