1 |
/* |
2 |
* Hydra, an http server |
3 |
* Copyright (C) 1995 Paul Phillips <paulp@go2net.com> |
4 |
* Some changes Copyright (C) 1996 Larry Doolittle <ldoolitt@boa.org> |
5 |
* Some changes Copyright (C) 1996 Russ Nelson <nelson@crynwr.com> |
6 |
* Some changes Copyright (C) 1996-2002 Jon Nelson <jnelson@boa.org> |
7 |
* |
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* This program is free software; you can redistribute it and/or modify |
9 |
* it under the terms of the GNU General Public License as published by |
10 |
* the Free Software Foundation; either version 1, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
20 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*/ |
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|
24 |
/* $Id: alias.c,v 1.18.2.5 2003/01/10 08:43:15 nmav Exp $ */ |
25 |
|
26 |
#include "boa.h" |
27 |
|
28 |
static int init_local_cgi_stuff( request * req, int cgi); |
29 |
|
30 |
/* |
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* Name: get_hash_value |
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* |
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* Description: adds the ASCII values of the file letters |
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* and mods by the hashtable size to get the hash value |
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* Note: stops at first '/' (or '\0') |
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* The returned value must be %= with the table size. |
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*/ |
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|
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int get_hash_value(const char *file) |
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{ |
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unsigned int hash = 0; |
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unsigned int index = 0; |
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unsigned char c; |
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|
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if (!file) return 0; |
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if (file[0]==0) return 0; |
47 |
|
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hash = file[index++]; |
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while ((c = file[index++]) && c != '/') |
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hash += (unsigned int) c; |
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|
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return hash; |
53 |
} |
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|
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|
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|
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/* |
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* Name: add_alias |
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* |
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* Description: add an Alias, Redirect, or ScriptAlias to the |
61 |
* alias hash table. |
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*/ |
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|
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void add_alias(char* hostname, char *fakename, char *realname, int type) |
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{ |
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int hash; |
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alias *old, *new; |
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int fakelen, reallen, hostlen; |
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virthost* vhost; |
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|
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/* sanity checking */ |
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if (hostname == NULL || fakename == NULL || realname == NULL) { |
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DIE("NULL values sent to add_alias"); |
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} |
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|
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hostlen = strlen(hostname); |
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|
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vhost = find_virthost( hostname, hostlen); |
79 |
if (vhost == NULL) { |
80 |
log_error_time(); |
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fprintf(stderr, "Tried to add Alias for host %s, which does not exist.\n", hostname); |
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exit(1); |
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} |
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|
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fakelen = strlen(fakename); |
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reallen = strlen(realname); |
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if (fakelen == 0 || reallen == 0) { |
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DIE("empty values sent to add_alias"); |
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} |
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|
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hash = get_alias_hash_value(fakename); |
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|
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old = vhost->alias_hashtable[hash]; |
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|
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if (old) { |
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while (old->next) { |
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if (!strcmp(fakename, old->fakename)) /* don't add twice */ |
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return; |
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old = old->next; |
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} |
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} |
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|
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new = (alias *) malloc(sizeof (alias)); |
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if (!new) { |
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DIE("out of memory adding alias to hash"); |
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} |
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|
108 |
if (old) |
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old->next = new; |
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else |
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vhost->alias_hashtable[hash] = new; |
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|
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new->fakename = strdup(fakename); |
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if (!new->fakename) { |
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DIE("failed strdup"); |
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} |
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new->fake_len = fakelen; |
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/* check for "here" */ |
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new->realname = strdup(realname); |
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if (!new->realname) { |
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DIE("strdup of realname failed"); |
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} |
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new->real_len = reallen; |
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|
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new->type = type; |
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new->next = NULL; |
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} |
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|
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/* |
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* Name: find_alias |
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* |
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* Description: Locates uri in the alias hashtable if it exists. |
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* |
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* Returns: |
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* |
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* alias structure or NULL if not found |
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*/ |
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|
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alias *find_alias(char* hostname, char *uri, int urilen) |
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{ |
141 |
alias *current; |
142 |
int hash; |
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virthost* vhost; |
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|
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/* Find ScriptAlias, Alias, or Redirect */ |
146 |
|
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vhost = find_virthost( hostname, 0); |
148 |
if (vhost == NULL) { |
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return NULL; |
150 |
} |
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|
152 |
if (urilen == 0) |
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urilen = strlen(uri); |
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hash = get_alias_hash_value(uri); |
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|
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current = vhost->alias_hashtable[hash]; |
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while (current) { |
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#ifdef FASCIST_LOGGING |
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fprintf(stderr, |
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"%s:%d - comparing \"%s\" (request) to \"%s\" (alias): ", |
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__FILE__, __LINE__, uri, current->fakename); |
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#endif |
163 |
/* current->fake_len must always be: |
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* shorter or equal to the uri |
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*/ |
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/* |
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* when performing matches: |
168 |
* If the virtual part of the url ends in '/', and |
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* we get a match, stop there. |
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* Otherwise, we require '/' or '\0' at the end of the url. |
171 |
* We only check if the virtual path does *not* end in '/' |
172 |
*/ |
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if (current->fake_len <= urilen && |
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!memcmp(uri, current->fakename, current->fake_len) && |
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(current->fakename[current->fake_len - 1] == '/' || |
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(current->fakename[current->fake_len - 1] != '/' && |
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(uri[current->fake_len] == '\0' || |
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uri[current->fake_len] == '/')))) { |
179 |
#ifdef FASCIST_LOGGING |
180 |
fprintf(stderr, "Got it!\n"); |
181 |
#endif |
182 |
return current; |
183 |
} |
184 |
#ifdef FASCIST_LOGGING |
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else |
186 |
fprintf(stderr, "Don't Got it!\n"); |
187 |
#endif |
188 |
current = current->next; |
189 |
} |
190 |
return current; |
191 |
} |
192 |
|
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/* Name: is_executable_cgi |
194 |
* |
195 |
* Description: Finds if the given filename is an executable CGI. |
196 |
* if it is one, then it setups some required variables, such as |
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* path_info. |
198 |
* |
199 |
* Returns: |
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* -1 error: probably file was not found |
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* 0 not executable CGI |
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* 1 executable CGI |
203 |
*/ |
204 |
int is_executable_cgi( request* req, const char* filename) |
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{ |
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char * mime_type = get_mime_type( filename); |
207 |
hic_module_st *hic; |
208 |
|
209 |
/* below we support cgis outside of a ScriptAlias */ |
210 |
if (strcmp(CGI_MIME_TYPE, mime_type) == 0) { /* cgi */ |
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int ret; |
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|
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ret = init_local_cgi_stuff( req, (req->http_version==HTTP_0_9)?NPH:CGI); |
214 |
|
215 |
if (ret==0) |
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return -1; |
217 |
|
218 |
return 1; |
219 |
} |
220 |
else if ( (hic=find_hic_appr_module( mime_type, 0)) != 0) { /* HIC CGI */ |
221 |
int ret = 0; |
222 |
|
223 |
if (hic->action) { |
224 |
req->action = hic->action; |
225 |
if (req->action==NULL) |
226 |
return -1; |
227 |
|
228 |
ret = init_local_cgi_stuff( req, CGI_ACTION); |
229 |
} |
230 |
#ifdef ENABLE_HIC |
231 |
else |
232 |
ret = init_local_cgi_stuff( req, HIC_CGI); |
233 |
#endif |
234 |
|
235 |
if (ret==0) |
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return -1; |
237 |
|
238 |
return 1; |
239 |
} |
240 |
|
241 |
return 0; /* no cgi */ |
242 |
} |
243 |
|
244 |
/* |
245 |
* Name: translate_uri |
246 |
* |
247 |
* Description: Parse a request's virtual path. |
248 |
* Sets query_string, pathname directly. |
249 |
* Also sets path_info, path_translated, and script_name via |
250 |
* init_script_alias |
251 |
* |
252 |
* Note: NPH in user dir is currently broken |
253 |
* |
254 |
* Note -- this should be broken up. |
255 |
* |
256 |
* Return values: |
257 |
* 0: failure, close it down |
258 |
* 1: success, continue |
259 |
*/ |
260 |
|
261 |
int translate_uri(request * req) |
262 |
{ |
263 |
char buffer[MAX_HEADER_LENGTH + 1]; |
264 |
char *req_urip; |
265 |
alias *current; |
266 |
char *p; |
267 |
int uri_len, ret; |
268 |
|
269 |
req_urip = req->request_uri; |
270 |
if (req_urip[0] != '/') { |
271 |
send_r_bad_request(req); |
272 |
return 0; |
273 |
} |
274 |
|
275 |
uri_len = strlen(req->request_uri); |
276 |
|
277 |
current = find_alias( req->hostname, req->request_uri, uri_len); |
278 |
if (current) { |
279 |
|
280 |
if (current->type == SCRIPTALIAS) /* Script */ |
281 |
return init_script_alias(req, current, uri_len); |
282 |
|
283 |
/* not a script alias, therefore begin filling in data */ |
284 |
|
285 |
{ |
286 |
int len; |
287 |
len = current->real_len; |
288 |
len += uri_len - current->fake_len; |
289 |
if (len > MAX_HEADER_LENGTH) { |
290 |
log_error_doc(req); |
291 |
fputs("uri too long!\n", stderr); |
292 |
send_r_bad_request(req); |
293 |
return 0; |
294 |
} |
295 |
memcpy(buffer, current->realname, current->real_len); |
296 |
memcpy(buffer + current->real_len, |
297 |
req->request_uri + current->fake_len, |
298 |
uri_len - current->fake_len + 1); |
299 |
} |
300 |
|
301 |
if (current->type == REDIRECT) { /* Redirect */ |
302 |
if (req->method == M_POST) { /* POST to non-script */ |
303 |
/* it's not a cgi, but we try to POST??? */ |
304 |
send_r_bad_request(req); |
305 |
return 0; /* not a script alias, therefore begin filling in data */ |
306 |
} |
307 |
send_r_moved_temp(req, buffer, ""); |
308 |
return 0; |
309 |
} else { /* Alias */ |
310 |
req->pathname = strdup(buffer); |
311 |
if (!req->pathname) { |
312 |
send_r_error(req); |
313 |
WARN("unable to strdup buffer onto req->pathname"); |
314 |
return 0; |
315 |
} |
316 |
return 1; |
317 |
} |
318 |
} |
319 |
|
320 |
/* |
321 |
The reason why this is *not* an 'else if' is that, |
322 |
after aliasing, we still have to check for '~' expansion |
323 |
*/ |
324 |
|
325 |
if (req->user_dir[0]!=0 && req->request_uri[1] == '~') { |
326 |
char *user_homedir; |
327 |
|
328 |
req_urip = req->request_uri + 2; |
329 |
|
330 |
/* since we have uri_len which is from strlen(req->request_uri) */ |
331 |
p = memchr(req_urip, '/', uri_len - 2); |
332 |
if (p) |
333 |
*p = '\0'; |
334 |
|
335 |
user_homedir = get_home_dir(req_urip); |
336 |
if (p) /* have to restore request_uri in case of error */ |
337 |
*p = '/'; |
338 |
|
339 |
if (!user_homedir) { /*no such user */ |
340 |
send_r_not_found(req); |
341 |
return 0; |
342 |
} |
343 |
{ |
344 |
int l1 = strlen(user_homedir); |
345 |
int l2 = strlen(req->user_dir); |
346 |
int l3 = (p ? strlen(p) : 0); |
347 |
|
348 |
if (l1 + l2 + l3 + 1 > MAX_HEADER_LENGTH) { |
349 |
log_error_doc(req); |
350 |
fputs("uri too long!\n", stderr); |
351 |
send_r_bad_request(req); |
352 |
return 0; |
353 |
} |
354 |
|
355 |
memcpy(buffer, user_homedir, l1); |
356 |
buffer[l1] = '/'; |
357 |
memcpy(buffer + l1 + 1, req->user_dir, l2 + 1); |
358 |
if (p) |
359 |
memcpy(buffer + l1 + 1 + l2, p, l3 + 1); |
360 |
} |
361 |
} else if (req->document_root[0]!=0) { |
362 |
/* no aliasing, no userdir... */ |
363 |
int l1, l2; |
364 |
|
365 |
l1 = strlen(req->document_root); |
366 |
l2 = strlen(req->request_uri); |
367 |
|
368 |
if (l1 + l2 + 1 > MAX_HEADER_LENGTH) { |
369 |
log_error_doc(req); |
370 |
fputs("uri too long!\n", stderr); |
371 |
send_r_bad_request(req); |
372 |
return 0; |
373 |
} |
374 |
|
375 |
/* the 'l2 + 1' is there so we copy the '\0' as well */ |
376 |
memcpy(buffer, req->document_root, l1); |
377 |
memcpy(buffer + l1, req->request_uri, l2 + 1); |
378 |
} else { |
379 |
/* not aliased. not userdir. not part of document_root. BAIL */ |
380 |
send_r_bad_request(req); |
381 |
return 0; |
382 |
} |
383 |
|
384 |
/* if here, |
385 |
* o it may be aliased but it's not a redirect or a script... |
386 |
* o it may be a homedir |
387 |
* o it may be a document_root resource (with or without virtual host) |
388 |
*/ |
389 |
|
390 |
req->pathname = strdup(buffer); |
391 |
if (!req->pathname) { |
392 |
WARN("Could not strdup buffer for req->pathname!"); |
393 |
send_r_error(req); |
394 |
return 0; |
395 |
} |
396 |
|
397 |
/* FIXME -- script_name here equals req->request_uri */ |
398 |
/* script_name could end up as /cgi-bin/bob/extra_path */ |
399 |
|
400 |
if ( (ret = is_executable_cgi( req, buffer))!=0) { |
401 |
if (ret == -1) { |
402 |
send_r_not_found(req); |
403 |
return 0; |
404 |
} |
405 |
return 1; |
406 |
} else if (req->method == M_POST) { /* POST to non-script */ |
407 |
/* it's not a cgi, but we try to POST??? */ |
408 |
send_r_bad_request(req); |
409 |
return 0; |
410 |
} else /* we are done!! */ |
411 |
return 1; |
412 |
} |
413 |
|
414 |
/* Sets the parameters needed in CGIs. This is used in CGIs |
415 |
* which are not in aliased directories. |
416 |
* |
417 |
* Returns: |
418 |
* 0 Some error. |
419 |
* 1 ok. |
420 |
*/ |
421 |
static int init_local_cgi_stuff( request * req, int cgi) |
422 |
{ |
423 |
char pathname[MAX_HEADER_LENGTH + 1]; |
424 |
char *p; |
425 |
int perms; |
426 |
|
427 |
#ifdef FASCIST_LOGGING |
428 |
log_error_time(); |
429 |
fprintf(stderr, "%s:%d - buffer is: \"%s\"\n", |
430 |
__FILE__, __LINE__, buffer); |
431 |
#endif |
432 |
|
433 |
if (req->script_name) free(req->script_name); |
434 |
req->script_name = strdup(req->request_uri); |
435 |
if (!req->script_name) { |
436 |
WARN("Could not strdup req->request_uri for req->script_name"); |
437 |
return 0; |
438 |
} |
439 |
|
440 |
req->is_cgi = cgi; |
441 |
|
442 |
/* For PATH_INFO, and PATH_TRANSLATED |
443 |
*/ |
444 |
strcpy(pathname, req->request_uri); |
445 |
p = strrchr( pathname, '/'); |
446 |
if (p) |
447 |
*p = 0; |
448 |
|
449 |
|
450 |
|
451 |
if (req->path_info) free(req->path_info); |
452 |
req->path_info = strdup( pathname); |
453 |
if (!req->path_info) { |
454 |
WARN("unable to strdup pathname for req->path_info"); |
455 |
return 0; |
456 |
} |
457 |
|
458 |
strcpy(pathname, req->document_root); |
459 |
strcat(pathname, req->request_uri); |
460 |
|
461 |
if (req->path_translated) free(req->path_translated); |
462 |
req->path_translated = strdup( pathname); |
463 |
if (!req->path_translated) { |
464 |
WARN("unable to strdup pathname for req->path_translated"); |
465 |
return 0; |
466 |
} |
467 |
|
468 |
/* Check if the file is accesible */ |
469 |
if (cgi==HIC_CGI || cgi==CGI_ACTION) perms = R_OK; |
470 |
else perms = R_OK|X_OK; |
471 |
|
472 |
if ( access( req->path_translated, perms) != 0) { |
473 |
if (cgi==CGI) { |
474 |
log_error_time(); |
475 |
fprintf(stderr, "Script '%s' is not executable.\n", req->path_translated); |
476 |
} |
477 |
/* couldn't access file */ |
478 |
return 0; |
479 |
} |
480 |
|
481 |
return 1; |
482 |
} |
483 |
|
484 |
/* |
485 |
* Name: init_script_alias |
486 |
* |
487 |
* Description: Performs full parsing on a ScriptAlias request |
488 |
* Sets path_info and script_name |
489 |
* |
490 |
* Return values: |
491 |
* |
492 |
* 0: failure, shut down |
493 |
* 1: success, continue |
494 |
*/ |
495 |
|
496 |
int init_script_alias(request * req, alias * current1, int uri_len) |
497 |
{ |
498 |
char pathname[MAX_HEADER_LENGTH + 1]; |
499 |
stat_st statbuf; |
500 |
char buffer[MAX_HEADER_LENGTH + 1]; |
501 |
|
502 |
int index = 0; |
503 |
char c; |
504 |
int err; |
505 |
virthost* vhost; |
506 |
|
507 |
vhost = find_virthost( req->hostname, 0); |
508 |
if (vhost == NULL) { |
509 |
send_r_not_found(req); |
510 |
return 0; |
511 |
} |
512 |
|
513 |
/* copies the "real" path + the non-alias portion of the |
514 |
uri to pathname. |
515 |
*/ |
516 |
|
517 |
if (uri_len - current1->fake_len + current1->real_len > |
518 |
MAX_HEADER_LENGTH) { |
519 |
log_error_doc(req); |
520 |
fputs("uri too long!\n", stderr); |
521 |
send_r_bad_request(req); |
522 |
return 0; |
523 |
} |
524 |
|
525 |
memcpy(pathname, current1->realname, current1->real_len); |
526 |
memcpy(pathname + current1->real_len, |
527 |
&req->request_uri[current1->fake_len], |
528 |
uri_len - current1->fake_len + 1); /* the +1 copies the NUL */ |
529 |
#ifdef FASCIST_LOGGING |
530 |
log_error_time(); |
531 |
fprintf(stderr, |
532 |
"%s:%d - pathname in init_script_alias is: \"%s\" (\"%s\")\n", |
533 |
__FILE__, __LINE__, pathname, pathname + current1->real_len); |
534 |
#endif |
535 |
if (strncmp("nph-", pathname + current1->real_len, 4) == 0 |
536 |
|| req->http_version==HTTP_0_9) req->is_cgi = NPH; |
537 |
else |
538 |
req->is_cgi = CGI; |
539 |
|
540 |
|
541 |
/* start at the beginning of the actual uri... |
542 |
(in /cgi-bin/bob, start at the 'b' in bob */ |
543 |
index = current1->real_len; |
544 |
|
545 |
/* go to first and successive '/' and keep checking |
546 |
* if it is a full pathname |
547 |
* on success (stat (not lstat) of file is a *regular file*) |
548 |
*/ |
549 |
do { |
550 |
c = pathname[++index]; |
551 |
if (c == '/') { |
552 |
pathname[index] = '\0'; |
553 |
err = stat(pathname, &statbuf); |
554 |
pathname[index] = '/'; |
555 |
if (err == -1) { |
556 |
send_r_not_found(req); |
557 |
return 0; |
558 |
} |
559 |
|
560 |
/* is it a dir? */ |
561 |
if (!S_ISDIR(statbuf.st_mode)) { |
562 |
/* check access */ |
563 |
if (!(statbuf.st_mode & |
564 |
(S_IFREG | /* regular file */ |
565 |
(S_IRUSR | S_IXUSR) | /* u+rx */ |
566 |
(S_IRGRP | S_IXGRP) | /* g+rx */ |
567 |
(S_IROTH | S_IXOTH)))) { /* o+rx */ |
568 |
send_r_forbidden(req); |
569 |
return 0; |
570 |
} |
571 |
/* stop here */ |
572 |
break; |
573 |
} |
574 |
} |
575 |
} while (c != '\0'); |
576 |
|
577 |
req->script_name = strdup(req->request_uri); |
578 |
if (!req->script_name) { |
579 |
send_r_error(req); |
580 |
WARN("unable to strdup req->request_uri for req->script_name"); |
581 |
return 0; |
582 |
} |
583 |
|
584 |
if (c == '\0') { |
585 |
err = stat(pathname, &statbuf); |
586 |
if (err == -1) { |
587 |
send_r_not_found(req); |
588 |
return 0; |
589 |
} |
590 |
|
591 |
/* is it a dir? */ |
592 |
if (!S_ISDIR(statbuf.st_mode)) { |
593 |
/* check access */ |
594 |
if (!(statbuf.st_mode & |
595 |
(S_IFREG | /* regular file */ |
596 |
(S_IRUSR | S_IXUSR) | /* u+rx */ |
597 |
(S_IRGRP | S_IXGRP) | /* g+rx */ |
598 |
(S_IROTH | S_IXOTH)))) { /* o+rx */ |
599 |
send_r_forbidden(req); |
600 |
return 0; |
601 |
} |
602 |
/* stop here */ |
603 |
} else { |
604 |
send_r_forbidden(req); |
605 |
return 0; |
606 |
} |
607 |
} |
608 |
|
609 |
/* we have path_info if c == '/'... still have to check for query */ |
610 |
else if (c == '/') { |
611 |
int hash; |
612 |
alias *current; |
613 |
int path_len; |
614 |
|
615 |
req->path_info = strdup(pathname + index); |
616 |
if (!req->path_info) { |
617 |
send_r_error(req); |
618 |
WARN("unable to strdup pathname + index for req->path_info"); |
619 |
return 0; |
620 |
} |
621 |
pathname[index] = '\0'; /* strip path_info from path */ |
622 |
path_len = strlen(req->path_info); |
623 |
/* we need to fix script_name here */ |
624 |
/* index points into pathname, which is |
625 |
* realname/cginame/foo |
626 |
* and index points to the '/foo' part |
627 |
*/ |
628 |
req->script_name[strlen(req->script_name) - path_len] = '\0'; /* zap off the /foo part */ |
629 |
|
630 |
/* now, we have to re-alias the extra path info.... |
631 |
this sucks. |
632 |
*/ |
633 |
hash = get_alias_hash_value(req->path_info); |
634 |
current = vhost->alias_hashtable[hash]; |
635 |
while (current && !req->path_translated) { |
636 |
if (!strncmp(req->path_info, current->fakename, |
637 |
current->fake_len)) { |
638 |
|
639 |
if (current->real_len + |
640 |
path_len - current->fake_len > MAX_HEADER_LENGTH) { |
641 |
log_error_doc(req); |
642 |
fputs("uri too long!\n", stderr); |
643 |
send_r_bad_request(req); |
644 |
return 0; |
645 |
} |
646 |
|
647 |
memcpy(buffer, current->realname, current->real_len); |
648 |
strcpy(buffer + current->real_len, |
649 |
&req->path_info[current->fake_len]); |
650 |
req->path_translated = strdup(buffer); |
651 |
if (!req->path_translated) { |
652 |
send_r_error(req); |
653 |
WARN("unable to strdup buffer for req->path_translated"); |
654 |
return 0; |
655 |
} |
656 |
} |
657 |
current = current->next; |
658 |
} |
659 |
/* no alias... try userdir */ |
660 |
if (!req->path_translated && req->user_dir[0]!=0 && req->path_info[1] == '~') { |
661 |
char *user_homedir; |
662 |
char *p; |
663 |
|
664 |
p = strchr(pathname + index + 1, '/'); |
665 |
if (p) |
666 |
*p = '\0'; |
667 |
|
668 |
user_homedir = get_home_dir(pathname + index + 2); |
669 |
if (p) |
670 |
*p = '/'; |
671 |
|
672 |
if (!user_homedir) { /* no such user */ |
673 |
send_r_not_found(req); |
674 |
return 0; |
675 |
} |
676 |
{ |
677 |
int l1 = strlen(user_homedir); |
678 |
int l2 = strlen(req->user_dir); |
679 |
int l3; |
680 |
if (p) |
681 |
l3 = strlen(p); |
682 |
else |
683 |
l3 = 0; |
684 |
|
685 |
req->path_translated = malloc(l1 + l2 + l3 + 2); |
686 |
if (req->path_translated == NULL) { |
687 |
send_r_error(req); |
688 |
WARN("unable to malloc memory for req->path_translated"); |
689 |
return 0; |
690 |
} |
691 |
memcpy(req->path_translated, user_homedir, l1); |
692 |
req->path_translated[l1] = '/'; |
693 |
memcpy(req->path_translated + l1 + 1, req->user_dir, l2 + 1); |
694 |
if (p) |
695 |
memcpy(req->path_translated + l1 + 1 + l2, p, l3 + 1); |
696 |
} |
697 |
} |
698 |
if (!req->path_translated && req->document_root[0]!=0) { |
699 |
/* no userdir, no aliasing... try document root */ |
700 |
int l1, l2; |
701 |
l1 = strlen(req->document_root); |
702 |
l2 = path_len; |
703 |
|
704 |
req->path_translated = malloc(l1 + l2 + 1); |
705 |
if (req->path_translated == NULL) { |
706 |
send_r_error(req); |
707 |
WARN("unable to malloc memory for req->path_translated"); |
708 |
return 0; |
709 |
} |
710 |
memcpy(req->path_translated, req->document_root, l1); |
711 |
memcpy(req->path_translated + l1, req->path_info, l2 + 1); |
712 |
} |
713 |
} |
714 |
|
715 |
req->pathname = strdup(pathname); |
716 |
if (!req->pathname) { |
717 |
send_r_error(req); |
718 |
WARN("unable to strdup pathname for req->pathname"); |
719 |
return 0; |
720 |
} |
721 |
|
722 |
return 1; |
723 |
} |
724 |
|
725 |
/* |
726 |
* Empties the alias hashtable, deallocating any allocated memory. |
727 |
*/ |
728 |
|
729 |
void dump_alias( virthost* vhost) |
730 |
{ |
731 |
int i; |
732 |
alias *temp; |
733 |
|
734 |
for (i = 0; i < ALIAS_HASHTABLE_SIZE; ++i) { /* these limits OK? */ |
735 |
if (vhost->alias_hashtable[i]) { |
736 |
temp = vhost->alias_hashtable[i]; |
737 |
while (temp) { |
738 |
alias *temp_next; |
739 |
|
740 |
if (temp->fakename) |
741 |
free(temp->fakename); |
742 |
if (temp->realname) |
743 |
free(temp->realname); |
744 |
temp_next = temp->next; |
745 |
free(temp); |
746 |
temp = temp_next; |
747 |
} |
748 |
vhost->alias_hashtable[i] = NULL; |
749 |
} |
750 |
} |
751 |
} |