1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements. See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "apr_strings.h"
21 #define APR_WANT_STRFUNC
28 #include "ap_config.h"
30 #include "http_config.h"
31 #include "http_main.h"
33 #include "http_core.h"
34 #include "http_protocol.h"
35 #include "http_request.h" /* for sub_req_lookup_uri() */
36 #include "util_script.h"
37 #include "apr_date.h" /* For apr_date_parse_http() */
38 #include "util_ebcdic.h"
46 * Various utility functions which are common to a whole lot of
47 * script-type extensions mechanisms, and might as well be gathered
48 * in one place (if only to avoid creating inter-module dependancies
49 * where there don't have to be).
52 /* we know core's module_index is 0 */
53 #undef APLOG_MODULE_INDEX
54 #define APLOG_MODULE_INDEX AP_CORE_MODULE_INDEX
56 static char *http2env(request_rec *r, const char *w)
58 char *res = (char *)apr_palloc(r->pool, sizeof("HTTP_") + strlen(w));
68 while ((c = *w++) != 0) {
70 *cp++ = apr_toupper(c);
77 ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
78 "Not exporting header with invalid name as envvar: %s",
79 ap_escape_logitem(r->pool, w));
88 static void add_unless_null(apr_table_t *table, const char *name, const char *val)
91 apr_table_addn(table, name, val);
95 /* Sets variable @name in table @dest from r->subprocess_env if
96 * available, else from the environment, else from @fallback if
98 static void env2env(apr_table_t *dest, request_rec *r,
99 const char *name, const char *fallback)
103 val = apr_table_get(r->subprocess_env, name);
105 val = apr_pstrdup(r->pool, getenv(name));
107 val = apr_pstrdup(r->pool, fallback);
109 apr_table_addn(dest, name, val);
112 AP_DECLARE(char **) ap_create_environment(apr_pool_t *p, apr_table_t *t)
114 const apr_array_header_t *env_arr = apr_table_elts(t);
115 const apr_table_entry_t *elts = (const apr_table_entry_t *) env_arr->elts;
116 char **env = (char **) apr_palloc(p, (env_arr->nelts + 2) * sizeof(char *));
122 if (!apr_table_get(t, "TZ")) {
125 env[j++] = apr_pstrcat(p, "TZ=", tz, NULL);
128 for (i = 0; i < env_arr->nelts; ++i) {
132 env[j] = apr_pstrcat(p, elts[i].key, "=", elts[i].val, NULL);
134 if (apr_isdigit(*whack)) {
137 while (*whack != '=') {
139 if (!apr_isalnum(*whack) && *whack != '(' && *whack != ')') {
141 if (!apr_isalnum(*whack)) {
154 AP_DECLARE(void) ap_add_common_vars(request_rec *r)
157 server_rec *s = r->server;
158 conn_rec *c = r->connection;
159 core_dir_config *conf =
160 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
161 const char *env_temp;
162 const apr_array_header_t *hdrs_arr = apr_table_elts(r->headers_in);
163 const apr_table_entry_t *hdrs = (const apr_table_entry_t *) hdrs_arr->elts;
168 /* use a temporary apr_table_t which we'll overlap onto
169 * r->subprocess_env later
170 * (exception: if r->subprocess_env is empty at the start,
171 * write directly into it)
173 if (apr_is_empty_table(r->subprocess_env)) {
174 e = r->subprocess_env;
177 e = apr_table_make(r->pool, 25 + hdrs_arr->nelts);
180 /* First, add environment vars from headers... this is as per
181 * CGI specs, though other sorts of scripting interfaces see
185 for (i = 0; i < hdrs_arr->nelts; ++i) {
190 /* A few headers are special cased --- Authorization to prevent
191 * rogue scripts from capturing passwords; content-type and -length
192 * for no particular reason.
195 if (!ap_cstr_casecmp(hdrs[i].key, "Content-type")) {
196 apr_table_addn(e, "CONTENT_TYPE", hdrs[i].val);
198 else if (!ap_cstr_casecmp(hdrs[i].key, "Content-length")) {
199 apr_table_addn(e, "CONTENT_LENGTH", hdrs[i].val);
201 /* HTTP_PROXY collides with a popular envvar used to configure
202 * proxies, don't let clients set/override it. But, if you must...
204 #ifndef SECURITY_HOLE_PASS_PROXY
205 else if (!ap_cstr_casecmp(hdrs[i].key, "Proxy")) {
210 * You really don't want to disable this check, since it leaves you
211 * wide open to CGIs stealing passwords and people viewing them
212 * in the environment with "ps -e". But, if you must...
214 #ifndef SECURITY_HOLE_PASS_AUTHORIZATION
215 else if (!ap_cstr_casecmp(hdrs[i].key, "Authorization")
216 || !ap_cstr_casecmp(hdrs[i].key, "Proxy-Authorization")) {
217 if (conf->cgi_pass_auth == AP_CGI_PASS_AUTH_ON) {
218 add_unless_null(e, http2env(r, hdrs[i].key), hdrs[i].val);
223 add_unless_null(e, http2env(r, hdrs[i].key), hdrs[i].val);
226 env2env(e, r, "PATH", DEFAULT_PATH);
228 env2env(e, r, "SystemRoot", NULL);
229 env2env(e, r, "COMSPEC", NULL);
230 env2env(e, r, "PATHEXT", NULL);
231 env2env(e, r, "WINDIR", NULL);
233 env2env(e, r, "COMSPEC", NULL);
234 env2env(e, r, "ETC", NULL);
235 env2env(e, r, "DPATH", NULL);
236 env2env(e, r, "PERLLIB_PREFIX", NULL);
238 env2env(e, r, "LIBRARY_PATH", NULL);
239 #elif defined(DARWIN)
240 env2env(e, r, "DYLD_LIBRARY_PATH", NULL);
242 env2env(e, r, "LIBPATH", NULL);
243 #elif defined(__HPUX__)
244 /* HPUX PARISC 2.0W knows both, otherwise redundancy is harmless */
245 env2env(e, r, "SHLIB_PATH", NULL);
246 env2env(e, r, "LD_LIBRARY_PATH", NULL);
247 #else /* Some Unix */
248 env2env(e, r, "LD_LIBRARY_PATH", NULL);
251 apr_table_addn(e, "SERVER_SIGNATURE", ap_psignature("", r));
252 apr_table_addn(e, "SERVER_SOFTWARE", ap_get_server_banner());
253 apr_table_addn(e, "SERVER_NAME",
254 ap_escape_html(r->pool, ap_get_server_name_for_url(r)));
255 apr_table_addn(e, "SERVER_ADDR", r->connection->local_ip); /* Apache */
256 apr_table_addn(e, "SERVER_PORT",
257 apr_psprintf(r->pool, "%u", ap_get_server_port(r)));
258 add_unless_null(e, "REMOTE_HOST",
259 ap_get_useragent_host(r, REMOTE_HOST, NULL));
260 apr_table_addn(e, "REMOTE_ADDR", r->useragent_ip);
261 apr_table_addn(e, "DOCUMENT_ROOT", ap_document_root(r)); /* Apache */
262 apr_table_setn(e, "REQUEST_SCHEME", ap_http_scheme(r));
263 apr_table_addn(e, "CONTEXT_PREFIX", ap_context_prefix(r));
264 apr_table_addn(e, "CONTEXT_DOCUMENT_ROOT", ap_context_document_root(r));
265 apr_table_addn(e, "SERVER_ADMIN", s->server_admin); /* Apache */
266 if (apr_table_get(r->notes, "proxy-noquery") && (q = ap_strchr(r->filename, '?'))) {
267 char *script_filename = apr_pstrmemdup(r->pool, r->filename, q - r->filename);
268 apr_table_addn(e, "SCRIPT_FILENAME", script_filename);
271 apr_table_addn(e, "SCRIPT_FILENAME", r->filename); /* Apache */
274 rport = c->client_addr->port;
275 apr_table_addn(e, "REMOTE_PORT", apr_itoa(r->pool, rport));
278 apr_table_addn(e, "REMOTE_USER", r->user);
281 request_rec *back = r->prev;
285 apr_table_addn(e, "REDIRECT_REMOTE_USER", back->user);
291 add_unless_null(e, "AUTH_TYPE", r->ap_auth_type);
292 env_temp = ap_get_remote_logname(r);
294 apr_table_addn(e, "REMOTE_IDENT", apr_pstrdup(r->pool, env_temp));
297 /* Apache custom error responses. If we have redirected set two new vars */
300 if (conf->qualify_redirect_url != AP_CORE_CONFIG_ON) {
301 add_unless_null(e, "REDIRECT_URL", r->prev->uri);
304 /* PR#57785: reconstruct full URL here */
305 apr_uri_t *uri = &r->prev->parsed_uri;
307 uri->scheme = (char*)ap_http_scheme(r->prev);
310 uri->port = ap_get_server_port(r->prev);
311 uri->port_str = apr_psprintf(r->pool, "%u", uri->port);
313 if (!uri->hostname) {
314 uri->hostname = (char*)ap_get_server_name_for_url(r->prev);
316 add_unless_null(e, "REDIRECT_URL",
317 apr_uri_unparse(r->pool, uri, 0));
319 add_unless_null(e, "REDIRECT_QUERY_STRING", r->prev->args);
322 if (e != r->subprocess_env) {
323 apr_table_overlap(r->subprocess_env, e, APR_OVERLAP_TABLES_SET);
327 /* This "cute" little function comes about because the path info on
328 * filenames and URLs aren't always the same. So we take the two,
329 * and find as much of the two that match as possible.
332 AP_DECLARE(int) ap_find_path_info(const char *uri, const char *path_info)
334 int lu = strlen(uri);
335 int lp = strlen(path_info);
337 while (lu-- && lp-- && uri[lu] == path_info[lp]) {
338 if (path_info[lp] == '/') {
339 while (lu && uri[lu-1] == '/') lu--;
347 while (uri[lu] != '\0' && uri[lu] != '/') {
353 /* Obtain the Request-URI from the original request-line, returning
354 * a new string from the request pool containing the URI or "".
356 static char *original_uri(request_rec *r)
360 if (r->the_request == NULL) {
361 return (char *) apr_pcalloc(r->pool, 1);
364 first = r->the_request; /* use the request-line */
366 while (*first && !apr_isspace(*first)) {
367 ++first; /* skip over the method */
369 while (apr_isspace(*first)) {
370 ++first; /* and the space(s) */
374 while (*last && !apr_isspace(*last)) {
375 ++last; /* end at next whitespace */
378 return apr_pstrmemdup(r->pool, first, last - first);
381 AP_DECLARE(void) ap_add_cgi_vars(request_rec *r)
383 apr_table_t *e = r->subprocess_env;
384 core_dir_config *conf =
385 (core_dir_config *)ap_get_core_module_config(r->per_dir_config);
386 int request_uri_from_original = 1;
387 const char *request_uri_rule;
389 apr_table_setn(e, "GATEWAY_INTERFACE", "CGI/1.1");
390 apr_table_setn(e, "SERVER_PROTOCOL", r->protocol);
391 apr_table_setn(e, "REQUEST_METHOD", r->method);
392 apr_table_setn(e, "QUERY_STRING", r->args ? r->args : "");
394 if (conf->cgi_var_rules) {
395 request_uri_rule = apr_hash_get(conf->cgi_var_rules, "REQUEST_URI",
396 APR_HASH_KEY_STRING);
397 if (request_uri_rule && !strcmp(request_uri_rule, "current-uri")) {
398 request_uri_from_original = 0;
401 apr_table_setn(e, "REQUEST_URI",
402 request_uri_from_original ? original_uri(r) : r->uri);
404 /* Note that the code below special-cases scripts run from includes,
405 * because it "knows" that the sub_request has been hacked to have the
406 * args and path_info of the original request, and not any that may have
407 * come with the script URI in the include command. Ugh.
410 if (!strcmp(r->protocol, "INCLUDED")) {
411 apr_table_setn(e, "SCRIPT_NAME", r->uri);
412 if (r->path_info && *r->path_info) {
413 apr_table_setn(e, "PATH_INFO", r->path_info);
416 else if (!r->path_info || !*r->path_info) {
417 apr_table_setn(e, "SCRIPT_NAME", r->uri);
420 int path_info_start = ap_find_path_info(r->uri, r->path_info);
422 apr_table_setn(e, "SCRIPT_NAME",
423 apr_pstrndup(r->pool, r->uri, path_info_start));
425 apr_table_setn(e, "PATH_INFO", r->path_info);
428 if (r->path_info && r->path_info[0]) {
430 * To get PATH_TRANSLATED, treat PATH_INFO as a URI path.
431 * Need to re-escape it for this, since the entire URI was
432 * un-escaped before we determined where the PATH_INFO began.
436 pa_req = ap_sub_req_lookup_uri(ap_escape_uri(r->pool, r->path_info), r,
439 if (pa_req->filename) {
440 char *pt = apr_pstrcat(r->pool, pa_req->filename, pa_req->path_info,
443 /* We need to make this a real Windows path name */
444 apr_filepath_merge(&pt, "", pt, APR_FILEPATH_NATIVE, r->pool);
446 apr_table_setn(e, "PATH_TRANSLATED", pt);
448 ap_destroy_sub_req(pa_req);
453 static int set_cookie_doo_doo(void *v, const char *key, const char *val)
455 apr_table_addn(v, key, val);
459 #define HTTP_UNSET (-HTTP_OK)
460 #define SCRIPT_LOG_MARK __FILE__,__LINE__,module_index
462 AP_DECLARE(int) ap_scan_script_header_err_core_ex(request_rec *r, char *buffer,
463 int (*getsfunc) (char *, int, void *),
467 char x[MAX_STRING_LEN];
470 int cgi_status = HTTP_UNSET;
472 apr_table_t *cookie_table;
473 int trace_log = APLOG_R_MODULE_IS_LEVEL(r, module_index, APLOG_TRACE1);
474 int first_header = 1;
479 w = buffer ? buffer : x;
481 /* temporary place to hold headers to merge in later */
482 merge = apr_table_make(r->pool, 10);
484 /* The HTTP specification says that it is legal to merge duplicate
485 * headers into one. Some browsers that support Cookies don't like
486 * merged headers and prefer that each Set-Cookie header is sent
487 * separately. Lets humour those browsers by not merging.
488 * Oh what a pain it is.
490 cookie_table = apr_table_make(r->pool, 2);
491 apr_table_do(set_cookie_doo_doo, cookie_table, r->err_headers_out, "Set-Cookie", NULL);
495 int rv = (*getsfunc) (w, MAX_STRING_LEN - 1, getsfunc_data);
497 const char *msg = "Premature end of script headers";
499 msg = "End of script output before headers";
500 /* Intentional no APLOGNO */
501 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
503 apr_filepath_name_get(r->filename));
504 return HTTP_INTERNAL_SERVER_ERROR;
507 /* Intentional no APLOGNO */
508 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
509 "Script timed out before returning headers: %s",
510 apr_filepath_name_get(r->filename));
511 return HTTP_GATEWAY_TIME_OUT;
514 /* Delete terminal (CR?)LF */
517 /* Indeed, the host's '\n':
518 '\012' for UNIX; '\015' for MacOS; '\025' for OS/390
519 -- whatever the script generates.
521 if (p > 0 && w[p - 1] == '\n') {
522 if (p > 1 && w[p - 2] == CR) {
531 * If we've finished reading the headers, check to make sure any
532 * HTTP/1.1 conditions are met. If so, we're done; normal processing
533 * will handle the script's output. If not, just return the error.
534 * The appropriate thing to do would be to send the script process a
535 * SIGPIPE to let it know we're ignoring it, close the channel to the
536 * script process, and *then* return the failed-to-meet-condition
537 * error. Otherwise we'd be waiting for the script to finish
538 * blithering before telling the client the output was no good.
539 * However, we don't have the information to do that, so we have to
540 * leave it to an upper layer.
543 int cond_status = OK;
545 /* PR#38070: This fails because it gets confused when a
546 * CGI Status header overrides ap_meets_conditions.
548 * We can fix that by dropping ap_meets_conditions when
549 * Status has been set. Since this is the only place
550 * cgi_status gets used, let's test it explicitly.
552 * The alternative would be to ignore CGI Status when
553 * ap_meets_conditions returns anything interesting.
554 * That would be safer wrt HTTP, but would break CGI.
556 if ((cgi_status == HTTP_UNSET) && (r->method_number == M_GET)) {
557 cond_status = ap_meets_conditions(r);
559 apr_table_overlap(r->err_headers_out, merge,
560 APR_OVERLAP_TABLES_MERGE);
561 if (!apr_is_empty_table(cookie_table)) {
562 /* the cookies have already been copied to the cookie_table */
563 apr_table_unset(r->err_headers_out, "Set-Cookie");
564 r->err_headers_out = apr_table_overlay(r->pool,
565 r->err_headers_out, cookie_table);
572 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE4, 0, r,
573 "Headers from script '%s':",
574 apr_filepath_name_get(r->filename));
575 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE4, 0, r, " %s", w);
578 /* if we see a bogus header don't ignore it. Shout and scream */
580 #if APR_CHARSET_EBCDIC
581 /* Chances are that we received an ASCII header text instead of
582 * the expected EBCDIC header lines. Try to auto-detect:
584 if (!(l = strchr(w, ':'))) {
585 int maybeASCII = 0, maybeEBCDIC = 0;
586 unsigned char *cp, native;
587 apr_size_t inbytes_left, outbytes_left;
589 for (cp = w; *cp != '\0'; ++cp) {
590 native = apr_xlate_conv_byte(ap_hdrs_from_ascii, *cp);
591 if (apr_isprint(*cp) && !apr_isprint(native))
593 if (!apr_isprint(*cp) && apr_isprint(native))
596 if (maybeASCII > maybeEBCDIC) {
597 ap_log_error(SCRIPT_LOG_MARK, APLOG_ERR, 0, r->server,
598 APLOGNO(02660) "CGI Interface Error: "
599 "Script headers apparently ASCII: (CGI = %s)",
601 inbytes_left = outbytes_left = cp - w;
602 apr_xlate_conv_buffer(ap_hdrs_from_ascii,
603 w, &inbytes_left, w, &outbytes_left);
606 #endif /*APR_CHARSET_EBCDIC*/
607 if (!(l = strchr(w, ':'))) {
609 /* Soak up all the script output - may save an outright kill */
610 while ((*getsfunc)(w, MAX_STRING_LEN - 1, getsfunc_data) > 0) {
615 /* Intentional no APLOGNO */
616 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
617 "malformed header from script '%s': Bad header: %.30s",
618 apr_filepath_name_get(r->filename), w);
619 return HTTP_INTERNAL_SERVER_ERROR;
623 while (apr_isspace(*l)) {
627 if (!ap_cstr_casecmp(w, "Content-type")) {
630 /* Nuke trailing whitespace */
632 char *endp = l + strlen(l) - 1;
633 while (endp > l && apr_isspace(*endp)) {
637 tmp = apr_pstrdup(r->pool, l);
638 ap_content_type_tolower(tmp);
639 ap_set_content_type(r, tmp);
642 * If the script returned a specific status, that's what
643 * we'll use - otherwise we assume 200 OK.
645 else if (!ap_cstr_casecmp(w, "Status")) {
646 r->status = cgi_status = atoi(l);
647 if (!ap_is_HTTP_VALID_RESPONSE(cgi_status))
648 /* Intentional no APLOGNO */
649 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_ERR|APLOG_TOCLIENT, 0, r,
650 "Invalid status line from script '%s': %.30s",
651 apr_filepath_name_get(r->filename), l);
654 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE1, 0, r,
655 "Status line from script '%s': %.30s",
656 apr_filepath_name_get(r->filename), l);
657 r->status_line = apr_pstrdup(r->pool, l);
659 else if (!ap_cstr_casecmp(w, "Location")) {
660 apr_table_set(r->headers_out, w, l);
662 else if (!ap_cstr_casecmp(w, "Content-Length")) {
663 apr_table_set(r->headers_out, w, l);
665 else if (!ap_cstr_casecmp(w, "Content-Range")) {
666 apr_table_set(r->headers_out, w, l);
668 else if (!ap_cstr_casecmp(w, "Transfer-Encoding")) {
669 apr_table_set(r->headers_out, w, l);
671 else if (!ap_cstr_casecmp(w, "ETag")) {
672 apr_table_set(r->headers_out, w, l);
675 * If the script gave us a Last-Modified header, we can't just
676 * pass it on blindly because of restrictions on future or invalid values.
678 else if (!ap_cstr_casecmp(w, "Last-Modified")) {
679 apr_time_t parsed_date = apr_date_parse_http(l);
680 if (parsed_date != APR_DATE_BAD) {
681 ap_update_mtime(r, parsed_date);
682 ap_set_last_modified(r);
683 if (APLOGrtrace1(r)) {
684 apr_time_t last_modified_date = apr_date_parse_http(apr_table_get(r->headers_out,
687 * A Last-Modified header value coming from a (F)CGI source
688 * is considered HTTP input so we assume the GMT timezone.
689 * The following logs should inform the admin about violations
690 * and related actions taken by httpd.
691 * The apr_date_parse_rfc function is 'timezone aware'
692 * and it will be used to generate a more informative set of logs
693 * (we don't use it as a replacement of apr_date_parse_http
694 * for the aforementioned reason).
696 apr_time_t parsed_date_tz_aware = apr_date_parse_rfc(l);
699 * The parsed Last-Modified header datestring has been replaced by httpd.
701 if (parsed_date > last_modified_date) {
702 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE1, 0, r,
703 "The Last-Modified header value %s (%s) "
704 "has been replaced with '%s'", l,
705 parsed_date != parsed_date_tz_aware ? "not in GMT"
707 apr_table_get(r->headers_out, "Last-Modified"));
709 * Last-Modified header datestring not in GMT and not considered in the future
710 * by httpd (like now() + 1 hour in the PST timezone). No action is taken but
711 * the admin is warned about the violation.
713 } else if (parsed_date != parsed_date_tz_aware) {
714 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE1, 0, r,
715 "The Last-Modified header value is not set "
716 "within the GMT timezone (as required)");
722 ap_log_rerror(SCRIPT_LOG_MARK, APLOG_TRACE1, 0, r,
723 "Ignored invalid header value: Last-Modified: '%s'", l);
726 else if (!ap_cstr_casecmp(w, "Set-Cookie")) {
727 apr_table_add(cookie_table, w, l);
730 apr_table_add(merge, w, l);
734 /* never reached - we leave this function within the while loop above */
738 AP_DECLARE(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
739 int (*getsfunc) (char *, int, void *),
742 return ap_scan_script_header_err_core_ex(r, buffer, getsfunc,
747 static int getsfunc_FILE(char *buf, int len, void *f)
749 return apr_file_gets(buf, len, (apr_file_t *) f) == APR_SUCCESS;
752 AP_DECLARE(int) ap_scan_script_header_err(request_rec *r, apr_file_t *f,
755 return ap_scan_script_header_err_core_ex(r, buffer, getsfunc_FILE, f,
759 AP_DECLARE(int) ap_scan_script_header_err_ex(request_rec *r, apr_file_t *f,
760 char *buffer, int module_index)
762 return ap_scan_script_header_err_core_ex(r, buffer, getsfunc_FILE, f,
767 static int getsfunc_BRIGADE(char *buf, int len, void *arg)
769 apr_bucket_brigade *bb = (apr_bucket_brigade *)arg;
770 const char *dst_end = buf + len - 1; /* leave room for terminating null */
772 apr_bucket *e = APR_BRIGADE_FIRST(bb);
776 while ((dst < dst_end) && !done && e != APR_BRIGADE_SENTINEL(bb)
777 && !APR_BUCKET_IS_EOS(e)) {
778 const char *bucket_data;
779 apr_size_t bucket_data_len;
784 rv = apr_bucket_read(e, &bucket_data, &bucket_data_len,
786 if (rv != APR_SUCCESS || (bucket_data_len == 0)) {
788 return APR_STATUS_IS_TIMEUP(rv) ? -1 : 0;
791 src_end = bucket_data + bucket_data_len;
792 while ((src < src_end) && (dst < dst_end) && !done) {
796 else if (*src != '\r') {
803 apr_bucket_split(e, src - bucket_data);
805 next = APR_BUCKET_NEXT(e);
806 apr_bucket_delete(e);
813 AP_DECLARE(int) ap_scan_script_header_err_brigade(request_rec *r,
814 apr_bucket_brigade *bb,
817 return ap_scan_script_header_err_core_ex(r, buffer, getsfunc_BRIGADE, bb,
821 AP_DECLARE(int) ap_scan_script_header_err_brigade_ex(request_rec *r,
822 apr_bucket_brigade *bb,
826 return ap_scan_script_header_err_core_ex(r, buffer, getsfunc_BRIGADE, bb,
837 static int getsfunc_STRING(char *w, int len, void *pvastrs)
839 struct vastrs *strs = (struct vastrs*) pvastrs;
843 if (!strs->curpos || !*strs->curpos) {
847 p = ap_strchr_c(strs->curpos, '\n');
851 p = ap_strchr_c(strs->curpos, '\0');
852 t = p - strs->curpos;
855 strncpy (w, strs->curpos, t);
857 if (!strs->curpos[t]) {
859 strs->curpos = va_arg(strs->args, const char *);
866 /* ap_scan_script_header_err_strs() accepts additional const char* args...
867 * each is treated as one or more header lines, and the first non-header
868 * character is returned to **arg, **data. (The first optional arg is
871 AP_DECLARE_NONSTD(int) ap_scan_script_header_err_strs_ex(request_rec *r,
880 va_start(strs.args, termarg);
882 strs.curpos = va_arg(strs.args, char*);
883 res = ap_scan_script_header_err_core_ex(r, buffer, getsfunc_STRING,
884 (void *) &strs, module_index);
886 *termch = strs.curpos;
893 AP_DECLARE_NONSTD(int) ap_scan_script_header_err_strs(request_rec *r,
901 va_start(strs.args, termarg);
903 strs.curpos = va_arg(strs.args, char*);
904 res = ap_scan_script_header_err_core_ex(r, buffer, getsfunc_STRING,
905 (void *) &strs, APLOG_MODULE_INDEX);
907 *termch = strs.curpos;
915 argstr_to_table(char *str, apr_table_t *parms)
925 key = apr_strtok(str, "&", &strtok_state);
927 value = strchr(key, '=');
929 *value = '\0'; /* Split the string in two */
930 value++; /* Skip passed the = */
935 ap_unescape_url(key);
936 ap_unescape_url(value);
937 apr_table_set(parms, key, value);
938 key = apr_strtok(NULL, "&", &strtok_state);
942 AP_DECLARE(void) ap_args_to_table(request_rec *r, apr_table_t **table)
944 apr_table_t *t = apr_table_make(r->pool, 10);
945 argstr_to_table(apr_pstrdup(r->pool, r->args), t);