Commit | Line | Data |
---|---|---|
992ce9ef FT |
1 | /* |
2 | ashd - A Sane HTTP Daemon | |
3 | Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com> | |
4 | ||
5 | This program is free software: you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation, either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #include <stdlib.h> | |
20 | #include <stdio.h> | |
21 | #include <string.h> | |
22 | #include <unistd.h> | |
23 | #include <errno.h> | |
24 | #include <sys/stat.h> | |
25 | #include <ctype.h> | |
26 | #include <dirent.h> | |
27 | #include <fnmatch.h> | |
17e55136 | 28 | #include <time.h> |
992ce9ef FT |
29 | |
30 | #ifdef HAVE_CONFIG_H | |
31 | #include <config.h> | |
32 | #endif | |
33 | #include <utils.h> | |
34 | #include <mt.h> | |
35 | #include <log.h> | |
36 | #include <req.h> | |
37 | #include <proc.h> | |
d422fdfd | 38 | #include <resp.h> |
06c1a718 | 39 | #include <cf.h> |
992ce9ef | 40 | |
992ce9ef FT |
41 | #define PAT_BASENAME 0 |
42 | #define PAT_PATHNAME 1 | |
43 | #define PAT_ALL 2 | |
44 | #define PAT_DEFAULT 3 | |
45 | ||
8232cebe FT |
46 | #define PT_FILE 0 |
47 | #define PT_DIR 1 | |
48 | ||
992ce9ef FT |
49 | struct config { |
50 | struct config *next, *prev; | |
51 | char *path; | |
17e55136 | 52 | time_t mtime, lastck; |
992ce9ef FT |
53 | struct child *children; |
54 | struct pattern *patterns; | |
6373daf9 | 55 | char **index; |
992ce9ef FT |
56 | }; |
57 | ||
992ce9ef FT |
58 | struct rule { |
59 | int type; | |
1eba4f97 | 60 | char **patterns; |
992ce9ef FT |
61 | }; |
62 | ||
63 | struct pattern { | |
64 | struct pattern *next; | |
8232cebe | 65 | int type; |
992ce9ef | 66 | char *childnm; |
624f637d | 67 | char **fchild; |
992ce9ef FT |
68 | struct rule **rules; |
69 | }; | |
70 | ||
0fc6fd13 FT |
71 | static struct config *cflist; |
72 | static struct config *gconfig, *lconfig; | |
17e55136 | 73 | static time_t now; |
992ce9ef | 74 | |
1eba4f97 FT |
75 | static void freerule(struct rule *rule) |
76 | { | |
77 | freeca(rule->patterns); | |
78 | free(rule); | |
79 | } | |
80 | ||
992ce9ef FT |
81 | static void freepattern(struct pattern *pat) |
82 | { | |
83 | struct rule **rule; | |
84 | ||
1eba4f97 FT |
85 | for(rule = pat->rules; *rule; rule++) |
86 | freerule(*rule); | |
992ce9ef FT |
87 | if(pat->childnm != NULL) |
88 | free(pat->childnm); | |
624f637d | 89 | freeca(pat->fchild); |
992ce9ef FT |
90 | free(pat); |
91 | } | |
92 | ||
93 | static void freeconfig(struct config *cf) | |
94 | { | |
95 | struct child *ch, *nch; | |
96 | struct pattern *pat, *npat; | |
97 | ||
98 | if(cf->prev != NULL) | |
99 | cf->prev->next = cf->next; | |
100 | if(cf->next != NULL) | |
101 | cf->next->prev = cf->prev; | |
102 | if(cf == cflist) | |
103 | cflist = cf->next; | |
0fc6fd13 FT |
104 | if(cf->path != NULL) |
105 | free(cf->path); | |
992ce9ef FT |
106 | for(ch = cf->children; ch != NULL; ch = nch) { |
107 | nch = ch->next; | |
108 | freechild(ch); | |
109 | } | |
110 | for(pat = cf->patterns; pat != NULL; pat = npat) { | |
111 | npat = pat->next; | |
112 | freepattern(pat); | |
113 | } | |
6373daf9 | 114 | freeca(cf->index); |
992ce9ef FT |
115 | free(cf); |
116 | } | |
117 | ||
992ce9ef FT |
118 | static struct child *getchild(struct config *cf, char *name) |
119 | { | |
120 | struct child *ch; | |
121 | ||
122 | for(ch = cf->children; ch; ch = ch->next) { | |
123 | if(!strcmp(ch->name, name)) | |
124 | break; | |
125 | } | |
126 | return(ch); | |
127 | } | |
128 | ||
129 | static struct rule *newrule(struct pattern *pat) | |
130 | { | |
131 | int i; | |
132 | struct rule *rule; | |
133 | ||
134 | for(i = 0; pat->rules[i]; i++); | |
135 | pat->rules = srealloc(pat->rules, sizeof(*pat->rules) * (i + 2)); | |
cceb3611 | 136 | rule = pat->rules[i] = szmalloc(sizeof(*rule)); |
992ce9ef FT |
137 | pat->rules[i + 1] = NULL; |
138 | return(rule); | |
139 | } | |
140 | ||
141 | static struct pattern *newpattern(void) | |
142 | { | |
143 | struct pattern *pat; | |
144 | ||
145 | omalloc(pat); | |
146 | pat->rules = szmalloc(sizeof(*pat->rules)); | |
147 | return(pat); | |
148 | } | |
149 | ||
1eba4f97 FT |
150 | static char **cadup(char **w) |
151 | { | |
152 | char **ret; | |
153 | int i, l; | |
154 | ||
155 | l = calen(w); | |
156 | ret = smalloc(sizeof(*ret) * (l + 1)); | |
157 | for(i = 0; i < l; i++) | |
158 | ret[i] = sstrdup(w[i]); | |
159 | ret[i] = NULL; | |
160 | return(ret); | |
161 | } | |
162 | ||
06c1a718 FT |
163 | static struct pattern *parsepattern(struct cfstate *s) |
164 | { | |
165 | struct pattern *pat; | |
166 | struct rule *rule; | |
1eba4f97 | 167 | int sl; |
06c1a718 FT |
168 | |
169 | if(!strcmp(s->argv[0], "match")) { | |
170 | s->expstart = 1; | |
171 | pat = newpattern(); | |
172 | } else { | |
173 | return(NULL); | |
174 | } | |
175 | ||
8232cebe FT |
176 | if((s->argc > 1) && !strcmp(s->argv[1], "directory")) |
177 | pat->type = PT_DIR; | |
06c1a718 FT |
178 | sl = s->lno; |
179 | while(1) { | |
180 | getcfline(s); | |
181 | if(!strcmp(s->argv[0], "filename")) { | |
182 | if(s->argc < 2) { | |
183 | flog(LOG_WARNING, "%s:%i: missing pattern for `filename' match", s->file, s->lno); | |
184 | continue; | |
185 | } | |
186 | rule = newrule(pat); | |
187 | rule->type = PAT_BASENAME; | |
1eba4f97 | 188 | rule->patterns = cadup(s->argv + 1); |
06c1a718 FT |
189 | } else if(!strcmp(s->argv[0], "pathname")) { |
190 | if(s->argc < 2) { | |
191 | flog(LOG_WARNING, "%s:%i: missing pattern for `pathname' match", s->file, s->lno); | |
192 | continue; | |
193 | } | |
194 | rule = newrule(pat); | |
195 | rule->type = PAT_PATHNAME; | |
1eba4f97 | 196 | rule->patterns = cadup(s->argv + 1); |
06c1a718 FT |
197 | } else if(!strcmp(s->argv[0], "all")) { |
198 | newrule(pat)->type = PAT_ALL; | |
199 | } else if(!strcmp(s->argv[0], "default")) { | |
200 | newrule(pat)->type = PAT_DEFAULT; | |
201 | } else if(!strcmp(s->argv[0], "handler")) { | |
202 | if(s->argc < 2) { | |
203 | flog(LOG_WARNING, "%s:%i: missing child name for `handler' directive", s->file, s->lno); | |
204 | continue; | |
205 | } | |
206 | if(pat->childnm != NULL) | |
207 | free(pat->childnm); | |
208 | pat->childnm = sstrdup(s->argv[1]); | |
624f637d | 209 | } else if(!strcmp(s->argv[0], "fork")) { |
1eba4f97 | 210 | pat->fchild = cadup(s->argv + 1); |
06c1a718 FT |
211 | } else if(!strcmp(s->argv[0], "end") || !strcmp(s->argv[0], "eof")) { |
212 | break; | |
213 | } else { | |
214 | flog(LOG_WARNING, "%s:%i: unknown directive `%s' in pattern declaration", s->file, s->lno, s->argv[0]); | |
215 | } | |
216 | } | |
217 | ||
218 | if(pat->rules[0] == NULL) { | |
219 | flog(LOG_WARNING, "%s:%i: missing rules in match declaration", s->file, sl); | |
220 | freepattern(pat); | |
221 | return(NULL); | |
222 | } | |
624f637d | 223 | if((pat->childnm == NULL) && (pat->fchild == NULL)) { |
06c1a718 FT |
224 | flog(LOG_WARNING, "%s:%i: missing handler in match declaration", s->file, sl); |
225 | freepattern(pat); | |
226 | return(NULL); | |
227 | } | |
228 | return(pat); | |
229 | } | |
230 | ||
17e55136 FT |
231 | static struct config *emptyconfig(void) |
232 | { | |
233 | struct config *cf; | |
234 | ||
235 | omalloc(cf); | |
236 | return(cf); | |
237 | } | |
238 | ||
239 | static struct config *readconfig(char *file) | |
992ce9ef | 240 | { |
06c1a718 FT |
241 | struct cfstate *s; |
242 | FILE *in; | |
992ce9ef | 243 | struct config *cf; |
992ce9ef FT |
244 | struct child *child; |
245 | struct pattern *pat; | |
992ce9ef | 246 | |
17e55136 FT |
247 | if((in = fopen(file, "r")) == NULL) { |
248 | flog(LOG_WARNING, "%s: %s", file, strerror(errno)); | |
992ce9ef | 249 | return(NULL); |
06c1a718 | 250 | } |
17e55136 FT |
251 | s = mkcfparser(in, file); |
252 | cf = emptyconfig(); | |
06c1a718 FT |
253 | |
254 | while(1) { | |
255 | getcfline(s); | |
256 | if((child = parsechild(s)) != NULL) { | |
257 | child->next = cf->children; | |
258 | cf->children = child; | |
259 | } else if((pat = parsepattern(s)) != NULL) { | |
260 | pat->next = cf->patterns; | |
261 | cf->patterns = pat; | |
6373daf9 FT |
262 | } else if(!strcmp(s->argv[0], "index-file")) { |
263 | freeca(cf->index); | |
264 | cf->index = NULL; | |
265 | if(s->argc > 1) | |
266 | cf->index = cadup(s->argv + 1); | |
06c1a718 FT |
267 | } else if(!strcmp(s->argv[0], "eof")) { |
268 | break; | |
269 | } else { | |
270 | flog(LOG_WARNING, "%s:%i: unknown directive `%s'", s->file, s->lno, s->argv[0]); | |
992ce9ef | 271 | } |
06c1a718 | 272 | } |
992ce9ef | 273 | |
06c1a718 FT |
274 | freecfparser(s); |
275 | fclose(in); | |
992ce9ef FT |
276 | return(cf); |
277 | } | |
278 | ||
279 | static struct config *getconfig(char *path) | |
280 | { | |
281 | struct config *cf; | |
282 | struct stat sb; | |
17e55136 FT |
283 | char *fn; |
284 | time_t mtime; | |
992ce9ef | 285 | |
17e55136 | 286 | fn = sprintf3("%s/.htrc", path); |
992ce9ef FT |
287 | for(cf = cflist; cf != NULL; cf = cf->next) { |
288 | if(!strcmp(cf->path, path)) { | |
17e55136 FT |
289 | if(now - cf->lastck > 5) { |
290 | if(stat(fn, &sb) || (sb.st_mtime != cf->mtime)) { | |
291 | freeconfig(cf); | |
292 | break; | |
293 | } | |
992ce9ef | 294 | } |
17e55136 | 295 | cf->lastck = now; |
992ce9ef FT |
296 | return(cf); |
297 | } | |
298 | } | |
17e55136 FT |
299 | if(access(fn, R_OK) || stat(fn, &sb)) { |
300 | cf = emptyconfig(); | |
301 | mtime = 0; | |
302 | } else { | |
303 | if((cf = readconfig(fn)) == NULL) | |
304 | return(NULL); | |
305 | mtime = sb.st_mtime; | |
992ce9ef | 306 | } |
17e55136 FT |
307 | cf->path = sstrdup(path); |
308 | cf->mtime = mtime; | |
309 | cf->lastck = now; | |
310 | cf->next = cflist; | |
d245c327 FT |
311 | cf->prev = NULL; |
312 | if(cflist != NULL) | |
313 | cflist->prev = cf; | |
17e55136 | 314 | cflist = cf; |
992ce9ef FT |
315 | return(cf); |
316 | } | |
317 | ||
8dce6d19 | 318 | static struct config **getconfigs(char *file) |
992ce9ef | 319 | { |
8dce6d19 FT |
320 | static struct config **ret = NULL; |
321 | struct { | |
322 | struct config **b; | |
323 | size_t s, d; | |
324 | } buf; | |
992ce9ef | 325 | struct config *cf; |
8dce6d19 FT |
326 | char *tmp, *p; |
327 | ||
328 | if(ret != NULL) | |
329 | free(ret); | |
330 | bufinit(buf); | |
331 | tmp = sstrdup(file); | |
992ce9ef | 332 | while(1) { |
8dce6d19 | 333 | if((p = strrchr(tmp, '/')) == NULL) |
992ce9ef | 334 | break; |
8dce6d19 FT |
335 | *p = 0; |
336 | if((cf = getconfig(tmp)) != NULL) | |
337 | bufadd(buf, cf); | |
338 | } | |
339 | free(tmp); | |
340 | if((cf = getconfig(".")) != NULL) | |
341 | bufadd(buf, cf); | |
0fc6fd13 FT |
342 | if(lconfig != NULL) |
343 | bufadd(buf, lconfig); | |
344 | if(gconfig != NULL) | |
345 | bufadd(buf, gconfig); | |
8dce6d19 FT |
346 | bufadd(buf, NULL); |
347 | return(ret = buf.b); | |
348 | } | |
349 | ||
350 | static struct child *findchild(char *file, char *name) | |
351 | { | |
352 | int i; | |
353 | struct config **cfs; | |
354 | struct child *ch; | |
355 | ||
356 | cfs = getconfigs(file); | |
357 | for(i = 0; cfs[i] != NULL; i++) { | |
358 | if((ch = getchild(cfs[i], name)) != NULL) | |
992ce9ef FT |
359 | break; |
360 | } | |
992ce9ef FT |
361 | return(ch); |
362 | } | |
363 | ||
8232cebe | 364 | static struct pattern *findmatch(char *file, int trydefault, int dir) |
992ce9ef | 365 | { |
1eba4f97 | 366 | int i, o, c; |
8dce6d19 FT |
367 | char *bn; |
368 | struct config **cfs; | |
992ce9ef FT |
369 | struct pattern *pat; |
370 | struct rule *rule; | |
371 | ||
372 | if((bn = strrchr(file, '/')) != NULL) | |
373 | bn++; | |
374 | else | |
375 | bn = file; | |
8dce6d19 FT |
376 | cfs = getconfigs(file); |
377 | for(c = 0; cfs[c] != NULL; c++) { | |
378 | for(pat = cfs[c]->patterns; pat != NULL; pat = pat->next) { | |
8232cebe FT |
379 | if(!dir && (pat->type == PT_DIR)) |
380 | continue; | |
381 | if(dir && (pat->type != PT_DIR)) | |
382 | continue; | |
992ce9ef FT |
383 | for(i = 0; (rule = pat->rules[i]) != NULL; i++) { |
384 | if(rule->type == PAT_BASENAME) { | |
1eba4f97 FT |
385 | for(o = 0; rule->patterns[o] != NULL; o++) { |
386 | if(!fnmatch(rule->patterns[o], bn, 0)) | |
387 | break; | |
388 | } | |
389 | if(rule->patterns[o] == NULL) | |
992ce9ef FT |
390 | break; |
391 | } else if(rule->type == PAT_PATHNAME) { | |
1eba4f97 FT |
392 | for(o = 0; rule->patterns[o] != NULL; o++) { |
393 | if(!fnmatch(rule->patterns[o], file, FNM_PATHNAME)) | |
394 | break; | |
395 | } | |
396 | if(rule->patterns[o] == NULL) | |
992ce9ef FT |
397 | break; |
398 | } else if(rule->type == PAT_ALL) { | |
399 | } else if(rule->type == PAT_DEFAULT) { | |
400 | if(!trydefault) | |
401 | break; | |
402 | } | |
403 | } | |
404 | if(!rule) | |
8dce6d19 | 405 | return(pat); |
992ce9ef FT |
406 | } |
407 | } | |
8232cebe FT |
408 | if(!trydefault) |
409 | return(findmatch(file, 1, dir)); | |
8dce6d19 | 410 | return(NULL); |
992ce9ef FT |
411 | } |
412 | ||
8232cebe | 413 | static void handle(struct hthead *req, int fd, char *path, struct pattern *pat) |
992ce9ef | 414 | { |
992ce9ef | 415 | struct child *ch; |
54cefaba FT |
416 | |
417 | headappheader(req, "X-Ash-File", path); | |
624f637d FT |
418 | if(pat->fchild) { |
419 | stdforkserve(pat->fchild, req, fd); | |
420 | } else { | |
421 | if((ch = findchild(path, pat->childnm)) == NULL) { | |
422 | flog(LOG_ERR, "child %s requested, but was not declared", pat->childnm); | |
423 | simpleerror(fd, 500, "Configuration Error", "The server is erroneously configured. Handler %s was requested, but not declared.", pat->childnm); | |
424 | return; | |
425 | } | |
426 | if(childhandle(ch, req, fd)) | |
427 | simpleerror(fd, 500, "Server Error", "The request handler crashed."); | |
992ce9ef | 428 | } |
54cefaba FT |
429 | } |
430 | ||
8232cebe FT |
431 | static void handlefile(struct hthead *req, int fd, char *path) |
432 | { | |
433 | struct pattern *pat; | |
434 | ||
435 | if((pat = findmatch(path, 0, 0)) == NULL) { | |
436 | simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource."); | |
437 | return; | |
438 | } | |
439 | handle(req, fd, path, pat); | |
440 | } | |
441 | ||
c703cd40 FT |
442 | static char *findfile(char *path, char *name, struct stat *sb) |
443 | { | |
444 | DIR *dir; | |
445 | struct stat sbuf; | |
446 | struct dirent *dent; | |
447 | char *p, *fp, *ret; | |
448 | ||
449 | if(sb == NULL) | |
450 | sb = &sbuf; | |
451 | if((dir = opendir(path)) == NULL) | |
452 | return(NULL); | |
453 | ret = NULL; | |
454 | while((dent = readdir(dir)) != NULL) { | |
455 | /* Ignore backup files. | |
456 | * XXX: There is probably a better and more extensible way to | |
457 | * do this. */ | |
458 | if(dent->d_name[strlen(dent->d_name) - 1] == '~') | |
459 | continue; | |
460 | if((p = strchr(dent->d_name, '.')) == NULL) | |
461 | continue; | |
da262448 FT |
462 | if(p - dent->d_name != strlen(name)) |
463 | continue; | |
c703cd40 FT |
464 | if(strncmp(dent->d_name, name, strlen(name))) |
465 | continue; | |
466 | fp = sprintf3("%s/%s", path, dent->d_name); | |
467 | if(stat(fp, sb)) | |
468 | continue; | |
469 | if(!S_ISREG(sb->st_mode)) | |
470 | continue; | |
471 | ret = sstrdup(fp); | |
472 | break; | |
473 | } | |
474 | closedir(dir); | |
475 | return(ret); | |
476 | } | |
477 | ||
54cefaba FT |
478 | static void handledir(struct hthead *req, int fd, char *path) |
479 | { | |
6373daf9 FT |
480 | struct config **cfs; |
481 | int i, o; | |
482 | struct stat sb; | |
c703cd40 | 483 | char *inm, *ipath, *cpath; |
8232cebe | 484 | struct pattern *pat; |
6373daf9 | 485 | |
9bebca54 FT |
486 | cpath = sprintf2("%s/", path); |
487 | cfs = getconfigs(cpath); | |
6373daf9 FT |
488 | for(i = 0; cfs[i] != NULL; i++) { |
489 | if(cfs[i]->index != NULL) { | |
490 | for(o = 0; cfs[i]->index[o] != NULL; o++) { | |
491 | inm = cfs[i]->index[o]; | |
492 | ipath = sprintf2("%s/%s", path, inm); | |
493 | if(!stat(ipath, &sb) && S_ISREG(sb.st_mode)) { | |
494 | handlefile(req, fd, ipath); | |
495 | free(ipath); | |
8232cebe | 496 | goto out; |
6373daf9 FT |
497 | } |
498 | free(ipath); | |
499 | ||
c703cd40 | 500 | if(!strchr(inm, '.') && ((ipath = findfile(path, inm, NULL)) != NULL)) { |
6373daf9 FT |
501 | handlefile(req, fd, ipath); |
502 | free(ipath); | |
8232cebe | 503 | goto out; |
6373daf9 FT |
504 | } |
505 | } | |
506 | break; | |
507 | } | |
508 | } | |
9bebca54 FT |
509 | if((pat = findmatch(cpath, 0, 1)) != NULL) { |
510 | handle(req, fd, cpath, pat); | |
8232cebe FT |
511 | goto out; |
512 | } | |
6373daf9 | 513 | simpleerror(fd, 403, "Not Authorized", "Will not send listings for this directory."); |
8232cebe FT |
514 | |
515 | out: | |
9bebca54 | 516 | free(cpath); |
54cefaba FT |
517 | } |
518 | ||
c703cd40 | 519 | static int checkpath(struct hthead *req, int fd, char *path, char *rest); |
54cefaba | 520 | |
c703cd40 | 521 | static int checkentry(struct hthead *req, int fd, char *path, char *rest, char *el) |
54cefaba | 522 | { |
54cefaba | 523 | struct stat sb; |
c703cd40 FT |
524 | char *newpath; |
525 | int rv; | |
992ce9ef | 526 | |
c703cd40 FT |
527 | if(!el == '.') { |
528 | simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource."); | |
529 | return(1); | |
530 | } | |
531 | if(!stat(sprintf3("%s/%s", path, el), &sb)) { | |
532 | if(S_ISDIR(sb.st_mode)) { | |
533 | if(!*rest) { | |
534 | stdredir(req, fd, 301, sprintf3("%s/", el)); | |
535 | return(1); | |
54cefaba | 536 | } |
c703cd40 FT |
537 | newpath = sprintf2("%s/%s", path, el); |
538 | rv = checkpath(req, fd, newpath, rest + 1); | |
539 | free(newpath); | |
540 | return(rv); | |
541 | } else if(S_ISREG(sb.st_mode)) { | |
542 | newpath = sprintf2("%s/%s", path, el); | |
543 | replrest(req, rest); | |
544 | handlefile(req, fd, newpath); | |
545 | free(newpath); | |
546 | return(1); | |
54cefaba | 547 | } |
d422fdfd | 548 | simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource."); |
c703cd40 | 549 | return(1); |
54cefaba | 550 | } |
c703cd40 FT |
551 | if(!strchr(el, '.') && ((newpath = findfile(path, el, NULL)) != NULL)) { |
552 | replrest(req, rest); | |
553 | handlefile(req, fd, newpath); | |
554 | free(newpath); | |
555 | return(1); | |
556 | } | |
557 | return(0); | |
558 | } | |
559 | ||
560 | static int checkpath(struct hthead *req, int fd, char *path, char *rest) | |
561 | { | |
562 | struct config *cf; | |
563 | char *p, *el; | |
564 | int rv; | |
565 | ||
566 | el = NULL; | |
567 | rv = 0; | |
568 | ||
54cefaba | 569 | if(!strncmp(path, "./", 2)) |
c703cd40 FT |
570 | path += 2; |
571 | cf = getconfig(path); | |
572 | ||
573 | if((p = strchr(rest, '/')) == NULL) { | |
574 | el = unquoteurl(rest); | |
575 | rest = ""; | |
54cefaba | 576 | } else { |
c703cd40 FT |
577 | char buf[p - rest + 1]; |
578 | memcpy(buf, rest, p - rest); | |
579 | buf[p - rest] = 0; | |
580 | el = unquoteurl(buf); | |
581 | rest = p; | |
582 | } | |
583 | if(el == NULL) { | |
584 | simpleerror(fd, 400, "Bad Request", "The requested URL contains an invalid escape sequence."); | |
585 | rv = 1; | |
586 | goto out; | |
587 | } | |
588 | if(strchr(el, '/') || (!*el && *rest)) { | |
d422fdfd | 589 | simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource."); |
c703cd40 FT |
590 | rv = 1; |
591 | goto out; | |
54cefaba | 592 | } |
c703cd40 FT |
593 | if(!*el) { |
594 | replrest(req, rest); | |
595 | handledir(req, fd, path); | |
596 | return(1); | |
597 | } | |
598 | rv = checkentry(req, fd, path, rest, el); | |
54cefaba | 599 | |
54cefaba | 600 | out: |
c703cd40 FT |
601 | if(el != NULL) |
602 | free(el); | |
603 | return(rv); | |
604 | } | |
605 | ||
606 | static void serve(struct hthead *req, int fd) | |
607 | { | |
608 | now = time(NULL); | |
609 | if(!checkpath(req, fd, ".", req->rest)) | |
610 | simpleerror(fd, 404, "Not Found", "The requested URL has no corresponding resource."); | |
992ce9ef FT |
611 | } |
612 | ||
0fc6fd13 FT |
613 | static void usage(FILE *out) |
614 | { | |
615 | fprintf(out, "usage: dirplex [-hN] [-c CONFIG] DIR\n"); | |
616 | } | |
617 | ||
992ce9ef FT |
618 | int main(int argc, char **argv) |
619 | { | |
0fc6fd13 FT |
620 | int c; |
621 | int nodef; | |
13975be5 | 622 | char *gcf, *lcf, *clcf; |
992ce9ef FT |
623 | struct hthead *req; |
624 | int fd; | |
625 | ||
0fc6fd13 FT |
626 | nodef = 0; |
627 | lcf = NULL; | |
628 | while((c = getopt(argc, argv, "hNc:")) >= 0) { | |
629 | switch(c) { | |
630 | case 'h': | |
631 | usage(stdout); | |
632 | exit(0); | |
633 | case 'N': | |
634 | nodef = 1; | |
635 | break; | |
636 | case 'c': | |
637 | lcf = optarg; | |
638 | break; | |
639 | default: | |
640 | usage(stderr); | |
641 | exit(1); | |
642 | } | |
643 | } | |
644 | if(argc - optind < 1) { | |
645 | usage(stderr); | |
992ce9ef FT |
646 | exit(1); |
647 | } | |
0fc6fd13 FT |
648 | if(!nodef) { |
649 | if((gcf = findstdconf("ashd/dirplex.rc")) != NULL) { | |
650 | gconfig = readconfig(gcf); | |
651 | free(gcf); | |
652 | } | |
653 | } | |
654 | if(lcf != NULL) { | |
13975be5 FT |
655 | if(strchr(lcf, '/') == NULL) { |
656 | if((clcf = findstdconf(sprintf3("ashd/%s", lcf))) == NULL) { | |
657 | flog(LOG_ERR, "could not find requested configuration `%s'", lcf); | |
658 | exit(1); | |
659 | } | |
660 | if((lconfig = readconfig(clcf)) == NULL) | |
661 | exit(1); | |
662 | free(clcf); | |
663 | } else { | |
664 | if((lconfig = readconfig(lcf)) == NULL) | |
665 | exit(1); | |
666 | } | |
0fc6fd13 FT |
667 | } |
668 | if(chdir(argv[optind])) { | |
669 | flog(LOG_ERR, "could not change directory to %s: %s", argv[optind], strerror(errno)); | |
992ce9ef FT |
670 | exit(1); |
671 | } | |
672 | signal(SIGCHLD, SIG_IGN); | |
673 | while(1) { | |
674 | if((fd = recvreq(0, &req)) < 0) { | |
675 | if(errno != 0) | |
676 | flog(LOG_ERR, "recvreq: %s", strerror(errno)); | |
677 | break; | |
678 | } | |
679 | serve(req, fd); | |
680 | freehthead(req); | |
681 | close(fd); | |
682 | } | |
683 | return(0); | |
684 | } |