Annotation of src/usr.bin/mandoc/cgi.c, Revision 1.106
1.106 ! schwarze 1: /* $OpenBSD: cgi.c,v 1.105 2019/07/10 12:48:08 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.106 ! schwarze 4: * Copyright (c) 2014-2019 Ingo Schwarze <schwarze@usta.de>
1.1 schwarze 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
1.44 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.44 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.33 schwarze 18: #include <sys/types.h>
19: #include <sys/time.h>
20:
1.1 schwarze 21: #include <ctype.h>
1.67 schwarze 22: #include <err.h>
1.1 schwarze 23: #include <errno.h>
24: #include <fcntl.h>
25: #include <limits.h>
1.32 schwarze 26: #include <stdint.h>
1.1 schwarze 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30: #include <unistd.h>
31:
1.47 schwarze 32: #include "mandoc_aux.h"
1.1 schwarze 33: #include "mandoc.h"
1.47 schwarze 34: #include "roff.h"
1.50 schwarze 35: #include "mdoc.h"
1.51 schwarze 36: #include "man.h"
1.100 schwarze 37: #include "mandoc_parse.h"
1.1 schwarze 38: #include "main.h"
1.44 schwarze 39: #include "manconf.h"
1.1 schwarze 40: #include "mansearch.h"
1.7 schwarze 41: #include "cgi.h"
1.1 schwarze 42:
43: /*
44: * A query as passed to the search function.
45: */
46: struct query {
1.23 schwarze 47: char *manpath; /* desired manual directory */
48: char *arch; /* architecture */
49: char *sec; /* manual section */
1.25 schwarze 50: char *query; /* unparsed query expression */
1.5 schwarze 51: int equal; /* match whole names, not substrings */
1.1 schwarze 52: };
53:
54: struct req {
55: struct query q;
56: char **p; /* array of available manpaths */
57: size_t psz; /* number of available manpaths */
1.60 schwarze 58: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 schwarze 59: };
60:
1.70 schwarze 61: enum focus {
62: FOCUS_NONE = 0,
63: FOCUS_QUERY
64: };
65:
1.1 schwarze 66: static void html_print(const char *);
67: static void html_putchar(char);
1.43 schwarze 68: static int http_decode(char *);
1.97 schwarze 69: static void http_encode(const char *p);
1.68 schwarze 70: static void parse_manpath_conf(struct req *);
71: static void parse_path_info(struct req *req, const char *path);
72: static void parse_query_string(struct req *, const char *);
1.12 schwarze 73: static void pg_error_badrequest(const char *);
74: static void pg_error_internal(void);
75: static void pg_index(const struct req *);
1.106 ! schwarze 76: static void pg_noresult(const struct req *, int, const char *,
! 77: const char *);
1.87 schwarze 78: static void pg_redirect(const struct req *, const char *);
1.6 schwarze 79: static void pg_search(const struct req *);
1.12 schwarze 80: static void pg_searchres(const struct req *,
81: struct manpage *, size_t);
1.19 schwarze 82: static void pg_show(struct req *, const char *);
1.88 schwarze 83: static void resp_begin_html(int, const char *, const char *);
1.1 schwarze 84: static void resp_begin_http(int, const char *);
1.68 schwarze 85: static void resp_catman(const struct req *, const char *);
1.53 schwarze 86: static void resp_copy(const char *);
1.1 schwarze 87: static void resp_end_html(void);
1.68 schwarze 88: static void resp_format(const struct req *, const char *);
1.70 schwarze 89: static void resp_searchform(const struct req *, enum focus);
1.10 schwarze 90: static void resp_show(const struct req *, const char *);
1.25 schwarze 91: static void set_query_attr(char **, char **);
1.97 schwarze 92: static int validate_arch(const char *);
1.25 schwarze 93: static int validate_filename(const char *);
94: static int validate_manpath(const struct req *, const char *);
95: static int validate_urifrag(const char *);
1.1 schwarze 96:
1.58 schwarze 97: static const char *scriptname = SCRIPT_NAME;
1.1 schwarze 98:
1.10 schwarze 99: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.8 schwarze 100: static const char *const sec_numbers[] = {
101: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
102: };
103: static const char *const sec_names[] = {
104: "All Sections",
105: "1 - General Commands",
106: "2 - System Calls",
1.34 schwarze 107: "3 - Library Functions",
108: "3p - Perl Library",
109: "4 - Device Drivers",
1.8 schwarze 110: "5 - File Formats",
111: "6 - Games",
1.34 schwarze 112: "7 - Miscellaneous Information",
113: "8 - System Manager\'s Manual",
114: "9 - Kernel Developer\'s Manual"
1.8 schwarze 115: };
116: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
117:
118: static const char *const arch_names[] = {
1.85 deraadt 119: "amd64", "alpha", "armv7", "arm64",
1.76 schwarze 120: "hppa", "i386", "landisk",
1.64 schwarze 121: "loongson", "luna88k", "macppc", "mips64",
1.79 schwarze 122: "octeon", "sgi", "socppc", "sparc64",
1.76 schwarze 123: "amiga", "arc", "armish", "arm32",
124: "atari", "aviion", "beagle", "cats",
125: "hppa64", "hp300",
1.64 schwarze 126: "ia64", "mac68k", "mvme68k", "mvme88k",
127: "mvmeppc", "palm", "pc532", "pegasos",
1.78 schwarze 128: "pmax", "powerpc", "solbourne", "sparc",
1.79 schwarze 129: "sun3", "vax", "wgrisc", "x68k",
130: "zaurus"
1.8 schwarze 131: };
132: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
133:
1.1 schwarze 134: /*
135: * Print a character, escaping HTML along the way.
136: * This will pass non-ASCII straight to output: be warned!
137: */
138: static void
139: html_putchar(char c)
140: {
141:
142: switch (c) {
1.93 schwarze 143: case '"':
1.80 bentley 144: printf(""");
1.1 schwarze 145: break;
1.93 schwarze 146: case '&':
1.1 schwarze 147: printf("&");
148: break;
1.93 schwarze 149: case '>':
1.1 schwarze 150: printf(">");
151: break;
1.93 schwarze 152: case '<':
1.1 schwarze 153: printf("<");
154: break;
155: default:
156: putchar((unsigned char)c);
157: break;
158: }
159: }
160:
161: /*
162: * Call through to html_putchar().
163: * Accepts NULL strings.
164: */
165: static void
166: html_print(const char *p)
167: {
1.43 schwarze 168:
1.1 schwarze 169: if (NULL == p)
170: return;
171: while ('\0' != *p)
172: html_putchar(*p++);
173: }
174:
175: /*
1.23 schwarze 176: * Transfer the responsibility for the allocated string *val
177: * to the query structure.
1.1 schwarze 178: */
179: static void
1.23 schwarze 180: set_query_attr(char **attr, char **val)
1.1 schwarze 181: {
182:
1.23 schwarze 183: free(*attr);
184: if (**val == '\0') {
185: *attr = NULL;
186: free(*val);
187: } else
188: *attr = *val;
189: *val = NULL;
190: }
191:
192: /*
193: * Parse the QUERY_STRING for key-value pairs
194: * and store the values into the query structure.
195: */
196: static void
1.68 schwarze 197: parse_query_string(struct req *req, const char *qs)
1.23 schwarze 198: {
199: char *key, *val;
200: size_t keysz, valsz;
201:
1.60 schwarze 202: req->isquery = 1;
1.23 schwarze 203: req->q.manpath = NULL;
204: req->q.arch = NULL;
205: req->q.sec = NULL;
1.25 schwarze 206: req->q.query = NULL;
1.23 schwarze 207: req->q.equal = 1;
208:
209: key = val = NULL;
210: while (*qs != '\0') {
1.1 schwarze 211:
1.23 schwarze 212: /* Parse one key. */
213:
214: keysz = strcspn(qs, "=;&");
215: key = mandoc_strndup(qs, keysz);
216: qs += keysz;
217: if (*qs != '=')
218: goto next;
219:
220: /* Parse one value. */
221:
222: valsz = strcspn(++qs, ";&");
223: val = mandoc_strndup(qs, valsz);
224: qs += valsz;
225:
226: /* Decode and catch encoding errors. */
1.1 schwarze 227:
1.23 schwarze 228: if ( ! (http_decode(key) && http_decode(val)))
229: goto next;
1.1 schwarze 230:
1.23 schwarze 231: /* Handle key-value pairs. */
1.1 schwarze 232:
1.23 schwarze 233: if ( ! strcmp(key, "query"))
1.25 schwarze 234: set_query_attr(&req->q.query, &val);
1.1 schwarze 235:
1.23 schwarze 236: else if ( ! strcmp(key, "apropos"))
237: req->q.equal = !strcmp(val, "0");
238:
239: else if ( ! strcmp(key, "manpath")) {
1.13 schwarze 240: #ifdef COMPAT_OLDURI
1.23 schwarze 241: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.13 schwarze 242: val[7] = '-';
243: if ('C' == val[8])
244: val[8] = 'c';
245: }
246: #endif
1.23 schwarze 247: set_query_attr(&req->q.manpath, &val);
248: }
249:
250: else if ( ! (strcmp(key, "sec")
1.13 schwarze 251: #ifdef COMPAT_OLDURI
1.23 schwarze 252: && strcmp(key, "sektion")
1.13 schwarze 253: #endif
1.23 schwarze 254: )) {
255: if ( ! strcmp(val, "0"))
256: *val = '\0';
257: set_query_attr(&req->q.sec, &val);
1.5 schwarze 258: }
1.23 schwarze 259:
260: else if ( ! strcmp(key, "arch")) {
261: if ( ! strcmp(val, "default"))
262: *val = '\0';
263: set_query_attr(&req->q.arch, &val);
264: }
265:
266: /*
267: * The key must be freed in any case.
268: * The val may have been handed over to the query
269: * structure, in which case it is now NULL.
270: */
271: next:
272: free(key);
273: key = NULL;
274: free(val);
275: val = NULL;
276:
277: if (*qs != '\0')
278: qs++;
1.1 schwarze 279: }
280: }
281:
282: /*
283: * HTTP-decode a string. The standard explanation is that this turns
284: * "%4e+foo" into "n foo" in the regular way. This is done in-place
285: * over the allocated string.
286: */
287: static int
288: http_decode(char *p)
289: {
290: char hex[3];
1.3 tedu 291: char *q;
1.1 schwarze 292: int c;
293:
294: hex[2] = '\0';
295:
1.3 tedu 296: q = p;
297: for ( ; '\0' != *p; p++, q++) {
1.1 schwarze 298: if ('%' == *p) {
299: if ('\0' == (hex[0] = *(p + 1)))
1.48 schwarze 300: return 0;
1.1 schwarze 301: if ('\0' == (hex[1] = *(p + 2)))
1.48 schwarze 302: return 0;
1.1 schwarze 303: if (1 != sscanf(hex, "%x", &c))
1.48 schwarze 304: return 0;
1.1 schwarze 305: if ('\0' == c)
1.48 schwarze 306: return 0;
1.1 schwarze 307:
1.3 tedu 308: *q = (char)c;
309: p += 2;
1.1 schwarze 310: } else
1.3 tedu 311: *q = '+' == *p ? ' ' : *p;
1.1 schwarze 312: }
313:
1.3 tedu 314: *q = '\0';
1.48 schwarze 315: return 1;
1.1 schwarze 316: }
317:
318: static void
1.97 schwarze 319: http_encode(const char *p)
320: {
321: for (; *p != '\0'; p++) {
322: if (isalnum((unsigned char)*p) == 0 &&
323: strchr("-._~", *p) == NULL)
1.104 schwarze 324: printf("%%%2.2X", (unsigned char)*p);
1.97 schwarze 325: else
326: putchar(*p);
327: }
328: }
329:
330: static void
1.1 schwarze 331: resp_begin_http(int code, const char *msg)
332: {
333:
334: if (200 != code)
1.2 tedu 335: printf("Status: %d %s\r\n", code, msg);
1.1 schwarze 336:
1.2 tedu 337: printf("Content-Type: text/html; charset=utf-8\r\n"
338: "Cache-Control: no-cache\r\n"
339: "Pragma: no-cache\r\n"
340: "\r\n");
1.1 schwarze 341:
342: fflush(stdout);
343: }
344:
345: static void
1.53 schwarze 346: resp_copy(const char *filename)
347: {
348: char buf[4096];
349: ssize_t sz;
350: int fd;
351:
352: if ((fd = open(filename, O_RDONLY)) != -1) {
353: fflush(stdout);
354: while ((sz = read(fd, buf, sizeof(buf))) > 0)
355: write(STDOUT_FILENO, buf, sz);
1.77 jsg 356: close(fd);
1.53 schwarze 357: }
358: }
359:
360: static void
1.88 schwarze 361: resp_begin_html(int code, const char *msg, const char *file)
1.1 schwarze 362: {
1.88 schwarze 363: char *cp;
1.1 schwarze 364:
365: resp_begin_http(code, msg);
366:
1.37 schwarze 367: printf("<!DOCTYPE html>\n"
1.65 schwarze 368: "<html>\n"
369: "<head>\n"
1.82 schwarze 370: " <meta charset=\"UTF-8\"/>\n"
1.95 schwarze 371: " <meta name=\"viewport\""
372: " content=\"width=device-width, initial-scale=1.0\">\n"
1.82 schwarze 373: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.65 schwarze 374: " type=\"text/css\" media=\"all\">\n"
1.88 schwarze 375: " <title>",
376: CSS_DIR);
377: if (file != NULL) {
378: if ((cp = strrchr(file, '/')) != NULL)
379: file = cp + 1;
380: if ((cp = strrchr(file, '.')) != NULL) {
381: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
382: } else
383: printf("%s - ", file);
384: }
385: printf("%s</title>\n"
1.65 schwarze 386: "</head>\n"
1.81 schwarze 387: "<body>\n",
1.88 schwarze 388: CUSTOMIZE_TITLE);
1.53 schwarze 389:
390: resp_copy(MAN_DIR "/header.html");
1.1 schwarze 391: }
392:
393: static void
394: resp_end_html(void)
395: {
396:
1.53 schwarze 397: resp_copy(MAN_DIR "/footer.html");
398:
1.65 schwarze 399: puts("</body>\n"
400: "</html>");
1.1 schwarze 401: }
402:
403: static void
1.70 schwarze 404: resp_searchform(const struct req *req, enum focus focus)
1.1 schwarze 405: {
406: int i;
407:
1.81 schwarze 408: printf("<form action=\"/%s\" method=\"get\">\n"
1.82 schwarze 409: " <fieldset>\n"
410: " <legend>Manual Page Search Parameters</legend>\n",
1.1 schwarze 411: scriptname);
1.8 schwarze 412:
413: /* Write query input box. */
414:
1.96 schwarze 415: printf(" <input type=\"search\" name=\"query\" value=\"");
1.70 schwarze 416: if (req->q.query != NULL)
1.25 schwarze 417: html_print(req->q.query);
1.70 schwarze 418: printf( "\" size=\"40\"");
419: if (focus == FOCUS_QUERY)
420: printf(" autofocus");
421: puts(">");
1.8 schwarze 422:
1.71 schwarze 423: /* Write submission buttons. */
1.8 schwarze 424:
1.82 schwarze 425: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.71 schwarze 426: "man</button>\n"
1.82 schwarze 427: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
428: "apropos</button>\n"
429: " <br/>\n");
1.8 schwarze 430:
431: /* Write section selector. */
432:
1.82 schwarze 433: puts(" <select name=\"sec\">");
1.8 schwarze 434: for (i = 0; i < sec_MAX; i++) {
1.82 schwarze 435: printf(" <option value=\"%s\"", sec_numbers[i]);
1.8 schwarze 436: if (NULL != req->q.sec &&
437: 0 == strcmp(sec_numbers[i], req->q.sec))
1.65 schwarze 438: printf(" selected=\"selected\"");
439: printf(">%s</option>\n", sec_names[i]);
1.8 schwarze 440: }
1.82 schwarze 441: puts(" </select>");
1.8 schwarze 442:
443: /* Write architecture selector. */
444:
1.82 schwarze 445: printf( " <select name=\"arch\">\n"
446: " <option value=\"default\"");
1.21 schwarze 447: if (NULL == req->q.arch)
1.65 schwarze 448: printf(" selected=\"selected\"");
449: puts(">All Architectures</option>");
1.8 schwarze 450: for (i = 0; i < arch_MAX; i++) {
1.96 schwarze 451: printf(" <option");
1.8 schwarze 452: if (NULL != req->q.arch &&
453: 0 == strcmp(arch_names[i], req->q.arch))
1.65 schwarze 454: printf(" selected=\"selected\"");
455: printf(">%s</option>\n", arch_names[i]);
1.8 schwarze 456: }
1.82 schwarze 457: puts(" </select>");
1.8 schwarze 458:
459: /* Write manpath selector. */
460:
1.1 schwarze 461: if (req->psz > 1) {
1.82 schwarze 462: puts(" <select name=\"manpath\">");
1.1 schwarze 463: for (i = 0; i < (int)req->psz; i++) {
1.96 schwarze 464: printf(" <option");
1.41 schwarze 465: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.96 schwarze 466: printf(" selected=\"selected\"");
467: printf(">");
1.1 schwarze 468: html_print(req->p[i]);
1.65 schwarze 469: puts("</option>");
1.1 schwarze 470: }
1.82 schwarze 471: puts(" </select>");
1.1 schwarze 472: }
1.8 schwarze 473:
1.82 schwarze 474: puts(" </fieldset>\n"
1.81 schwarze 475: "</form>");
1.1 schwarze 476: }
477:
1.16 schwarze 478: static int
1.20 schwarze 479: validate_urifrag(const char *frag)
480: {
481:
482: while ('\0' != *frag) {
483: if ( ! (isalnum((unsigned char)*frag) ||
484: '-' == *frag || '.' == *frag ||
485: '/' == *frag || '_' == *frag))
1.48 schwarze 486: return 0;
1.20 schwarze 487: frag++;
488: }
1.48 schwarze 489: return 1;
1.20 schwarze 490: }
491:
492: static int
1.17 schwarze 493: validate_manpath(const struct req *req, const char* manpath)
494: {
495: size_t i;
496:
497: for (i = 0; i < req->psz; i++)
498: if ( ! strcmp(manpath, req->p[i]))
1.48 schwarze 499: return 1;
1.17 schwarze 500:
1.48 schwarze 501: return 0;
1.17 schwarze 502: }
503:
504: static int
1.97 schwarze 505: validate_arch(const char *arch)
506: {
507: int i;
508:
509: for (i = 0; i < arch_MAX; i++)
510: if (strcmp(arch, arch_names[i]) == 0)
511: return 1;
512:
513: return 0;
514: }
515:
516: static int
1.16 schwarze 517: validate_filename(const char *file)
518: {
519:
520: if ('.' == file[0] && '/' == file[1])
521: file += 2;
522:
1.48 schwarze 523: return ! (strstr(file, "../") || strstr(file, "/..") ||
524: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.16 schwarze 525: }
526:
1.1 schwarze 527: static void
1.12 schwarze 528: pg_index(const struct req *req)
1.1 schwarze 529: {
530:
1.88 schwarze 531: resp_begin_html(200, NULL, NULL);
1.70 schwarze 532: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 533: printf("<p>\n"
1.26 schwarze 534: "This web interface is documented in the\n"
1.83 schwarze 535: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.26 schwarze 536: "manual, and the\n"
1.83 schwarze 537: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.9 schwarze 538: "manual explains the query syntax.\n"
1.65 schwarze 539: "</p>\n",
1.58 schwarze 540: scriptname, *scriptname == '\0' ? "" : "/",
541: scriptname, *scriptname == '\0' ? "" : "/");
1.1 schwarze 542: resp_end_html();
543: }
544:
545: static void
1.106 ! schwarze 546: pg_noresult(const struct req *req, int code, const char *http_msg,
! 547: const char *user_msg)
1.1 schwarze 548: {
1.106 ! schwarze 549: resp_begin_html(code, http_msg, NULL);
1.70 schwarze 550: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 551: puts("<p>");
1.106 ! schwarze 552: puts(user_msg);
1.65 schwarze 553: puts("</p>");
1.1 schwarze 554: resp_end_html();
555: }
556:
557: static void
1.12 schwarze 558: pg_error_badrequest(const char *msg)
1.1 schwarze 559: {
560:
1.88 schwarze 561: resp_begin_html(400, "Bad Request", NULL);
1.65 schwarze 562: puts("<h1>Bad Request</h1>\n"
563: "<p>\n");
1.1 schwarze 564: puts(msg);
565: printf("Try again from the\n"
1.65 schwarze 566: "<a href=\"/%s\">main page</a>.\n"
567: "</p>", scriptname);
1.1 schwarze 568: resp_end_html();
569: }
570:
571: static void
1.12 schwarze 572: pg_error_internal(void)
1.1 schwarze 573: {
1.88 schwarze 574: resp_begin_html(500, "Internal Server Error", NULL);
1.65 schwarze 575: puts("<p>Internal Server Error</p>");
1.1 schwarze 576: resp_end_html();
577: }
578:
579: static void
1.87 schwarze 580: pg_redirect(const struct req *req, const char *name)
581: {
1.91 schwarze 582: printf("Status: 303 See Other\r\n"
583: "Location: /");
1.87 schwarze 584: if (*scriptname != '\0')
585: printf("%s/", scriptname);
586: if (strcmp(req->q.manpath, req->p[0]))
587: printf("%s/", req->q.manpath);
588: if (req->q.arch != NULL)
589: printf("%s/", req->q.arch);
1.97 schwarze 590: http_encode(name);
591: if (req->q.sec != NULL) {
592: putchar('.');
593: http_encode(req->q.sec);
594: }
1.87 schwarze 595: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
596: }
597:
598: static void
1.12 schwarze 599: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 schwarze 600: {
1.21 schwarze 601: char *arch, *archend;
1.59 schwarze 602: const char *sec;
603: size_t i, iuse;
1.21 schwarze 604: int archprio, archpriouse;
1.10 schwarze 605: int prio, priouse;
1.1 schwarze 606:
1.16 schwarze 607: for (i = 0; i < sz; i++) {
608: if (validate_filename(r[i].file))
609: continue;
1.67 schwarze 610: warnx("invalid filename %s in %s database",
1.16 schwarze 611: r[i].file, req->q.manpath);
612: pg_error_internal();
613: return;
614: }
615:
1.60 schwarze 616: if (req->isquery && sz == 1) {
1.1 schwarze 617: /*
618: * If we have just one result, then jump there now
619: * without any delay.
620: */
1.91 schwarze 621: printf("Status: 303 See Other\r\n"
622: "Location: /");
623: if (*scriptname != '\0')
624: printf("%s/", scriptname);
625: if (strcmp(req->q.manpath, req->p[0]))
626: printf("%s/", req->q.manpath);
627: printf("%s\r\n"
628: "Content-Type: text/html; charset=utf-8\r\n\r\n",
629: r[0].file);
1.1 schwarze 630: return;
631: }
632:
1.10 schwarze 633: /*
634: * In man(1) mode, show one of the pages
635: * even if more than one is found.
636: */
637:
1.88 schwarze 638: iuse = 0;
1.62 schwarze 639: if (req->q.equal || sz == 1) {
1.59 schwarze 640: priouse = 20;
1.21 schwarze 641: archpriouse = 3;
1.10 schwarze 642: for (i = 0; i < sz; i++) {
1.59 schwarze 643: sec = r[i].file;
644: sec += strcspn(sec, "123456789");
645: if (sec[0] == '\0')
1.10 schwarze 646: continue;
1.59 schwarze 647: prio = sec_prios[sec[0] - '1'];
648: if (sec[1] != '/')
649: prio += 10;
650: if (req->q.arch == NULL) {
1.21 schwarze 651: archprio =
1.59 schwarze 652: ((arch = strchr(sec + 1, '/'))
653: == NULL) ? 3 :
654: ((archend = strchr(arch + 1, '/'))
655: == NULL) ? 0 :
1.21 schwarze 656: strncmp(arch, "amd64/",
657: archend - arch) ? 2 : 1;
658: if (archprio < archpriouse) {
659: archpriouse = archprio;
660: priouse = prio;
661: iuse = i;
662: continue;
663: }
664: if (archprio > archpriouse)
665: continue;
666: }
1.10 schwarze 667: if (prio >= priouse)
668: continue;
669: priouse = prio;
670: iuse = i;
671: }
1.88 schwarze 672: resp_begin_html(200, NULL, r[iuse].file);
673: } else
674: resp_begin_html(200, NULL, NULL);
675:
676: resp_searchform(req,
677: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
678:
679: if (sz > 1) {
680: puts("<table class=\"results\">");
681: for (i = 0; i < sz; i++) {
682: printf(" <tr>\n"
683: " <td>"
1.89 schwarze 684: "<a class=\"Xr\" href=\"/");
685: if (*scriptname != '\0')
686: printf("%s/", scriptname);
687: if (strcmp(req->q.manpath, req->p[0]))
688: printf("%s/", req->q.manpath);
689: printf("%s\">", r[i].file);
1.88 schwarze 690: html_print(r[i].names);
691: printf("</a></td>\n"
692: " <td><span class=\"Nd\">");
693: html_print(r[i].output);
694: puts("</span></td>\n"
695: " </tr>");
696: }
697: puts("</table>");
698: }
699:
700: if (req->q.equal || sz == 1) {
701: puts("<hr>");
1.10 schwarze 702: resp_show(req, r[iuse].file);
703: }
704:
1.1 schwarze 705: resp_end_html();
706: }
707:
708: static void
1.68 schwarze 709: resp_catman(const struct req *req, const char *file)
1.1 schwarze 710: {
711: FILE *f;
1.54 schwarze 712: char *p;
713: size_t sz;
714: ssize_t len;
1.1 schwarze 715: int i;
716: int italic, bold;
717:
1.54 schwarze 718: if ((f = fopen(file, "r")) == NULL) {
1.65 schwarze 719: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 720: return;
721: }
722:
1.65 schwarze 723: puts("<div class=\"catman\">\n"
724: "<pre>");
1.1 schwarze 725:
1.54 schwarze 726: p = NULL;
727: sz = 0;
728:
729: while ((len = getline(&p, &sz, f)) != -1) {
1.1 schwarze 730: bold = italic = 0;
1.54 schwarze 731: for (i = 0; i < len - 1; i++) {
1.43 schwarze 732: /*
1.1 schwarze 733: * This means that the catpage is out of state.
734: * Ignore it and keep going (although the
735: * catpage is bogus).
736: */
737:
738: if ('\b' == p[i] || '\n' == p[i])
739: continue;
740:
741: /*
742: * Print a regular character.
743: * Close out any bold/italic scopes.
744: * If we're in back-space mode, make sure we'll
745: * have something to enter when we backspace.
746: */
747:
748: if ('\b' != p[i + 1]) {
749: if (italic)
1.65 schwarze 750: printf("</i>");
1.1 schwarze 751: if (bold)
1.65 schwarze 752: printf("</b>");
1.1 schwarze 753: italic = bold = 0;
754: html_putchar(p[i]);
755: continue;
1.54 schwarze 756: } else if (i + 2 >= len)
1.1 schwarze 757: continue;
758:
759: /* Italic mode. */
760:
761: if ('_' == p[i]) {
762: if (bold)
1.65 schwarze 763: printf("</b>");
1.1 schwarze 764: if ( ! italic)
1.65 schwarze 765: printf("<i>");
1.1 schwarze 766: bold = 0;
767: italic = 1;
768: i += 2;
769: html_putchar(p[i]);
770: continue;
771: }
772:
1.43 schwarze 773: /*
1.1 schwarze 774: * Handle funny behaviour troff-isms.
775: * These grok'd from the original man2html.c.
776: */
777:
778: if (('+' == p[i] && 'o' == p[i + 2]) ||
779: ('o' == p[i] && '+' == p[i + 2]) ||
780: ('|' == p[i] && '=' == p[i + 2]) ||
781: ('=' == p[i] && '|' == p[i + 2]) ||
782: ('*' == p[i] && '=' == p[i + 2]) ||
783: ('=' == p[i] && '*' == p[i + 2]) ||
784: ('*' == p[i] && '|' == p[i + 2]) ||
785: ('|' == p[i] && '*' == p[i + 2])) {
786: if (italic)
1.65 schwarze 787: printf("</i>");
1.1 schwarze 788: if (bold)
1.65 schwarze 789: printf("</b>");
1.1 schwarze 790: italic = bold = 0;
791: putchar('*');
792: i += 2;
793: continue;
794: } else if (('|' == p[i] && '-' == p[i + 2]) ||
795: ('-' == p[i] && '|' == p[i + 1]) ||
796: ('+' == p[i] && '-' == p[i + 1]) ||
797: ('-' == p[i] && '+' == p[i + 1]) ||
798: ('+' == p[i] && '|' == p[i + 1]) ||
799: ('|' == p[i] && '+' == p[i + 1])) {
800: if (italic)
1.65 schwarze 801: printf("</i>");
1.1 schwarze 802: if (bold)
1.65 schwarze 803: printf("</b>");
1.1 schwarze 804: italic = bold = 0;
805: putchar('+');
806: i += 2;
807: continue;
808: }
809:
810: /* Bold mode. */
1.43 schwarze 811:
1.1 schwarze 812: if (italic)
1.65 schwarze 813: printf("</i>");
1.1 schwarze 814: if ( ! bold)
1.65 schwarze 815: printf("<b>");
1.1 schwarze 816: bold = 1;
817: italic = 0;
818: i += 2;
819: html_putchar(p[i]);
820: }
821:
1.43 schwarze 822: /*
1.1 schwarze 823: * Clean up the last character.
1.43 schwarze 824: * We can get to a newline; don't print that.
1.1 schwarze 825: */
826:
827: if (italic)
1.65 schwarze 828: printf("</i>");
1.1 schwarze 829: if (bold)
1.65 schwarze 830: printf("</b>");
1.1 schwarze 831:
1.54 schwarze 832: if (i == len - 1 && p[i] != '\n')
1.1 schwarze 833: html_putchar(p[i]);
834:
835: putchar('\n');
836: }
1.54 schwarze 837: free(p);
1.1 schwarze 838:
1.65 schwarze 839: puts("</pre>\n"
840: "</div>");
1.1 schwarze 841:
842: fclose(f);
843: }
844:
845: static void
1.68 schwarze 846: resp_format(const struct req *req, const char *file)
1.1 schwarze 847: {
1.45 schwarze 848: struct manoutput conf;
1.1 schwarze 849: struct mparse *mp;
1.102 schwarze 850: struct roff_meta *meta;
1.1 schwarze 851: void *vp;
1.30 schwarze 852: int fd;
853: int usepath;
1.1 schwarze 854:
855: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.65 schwarze 856: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 857: return;
858: }
859:
1.49 schwarze 860: mchars_alloc();
1.102 schwarze 861: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
862: MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
1.42 schwarze 863: mparse_readfd(mp, fd, file);
1.1 schwarze 864: close(fd);
1.102 schwarze 865: meta = mparse_result(mp);
1.1 schwarze 866:
1.45 schwarze 867: memset(&conf, 0, sizeof(conf));
868: conf.fragment = 1;
1.84 schwarze 869: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.30 schwarze 870: usepath = strcmp(req->q.manpath, req->p[0]);
1.90 schwarze 871: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
872: scriptname, *scriptname == '\0' ? "" : "/",
1.61 schwarze 873: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.1 schwarze 874:
1.49 schwarze 875: vp = html_alloc(&conf);
1.102 schwarze 876: if (meta->macroset == MACROSET_MDOC)
877: html_mdoc(vp, meta);
878: else
879: html_man(vp, meta);
1.1 schwarze 880:
881: html_free(vp);
882: mparse_free(mp);
1.49 schwarze 883: mchars_free();
1.45 schwarze 884: free(conf.man);
1.84 schwarze 885: free(conf.style);
1.1 schwarze 886: }
887:
888: static void
1.10 schwarze 889: resp_show(const struct req *req, const char *file)
890: {
1.16 schwarze 891:
892: if ('.' == file[0] && '/' == file[1])
1.11 schwarze 893: file += 2;
1.10 schwarze 894:
895: if ('c' == *file)
1.68 schwarze 896: resp_catman(req, file);
1.10 schwarze 897: else
1.68 schwarze 898: resp_format(req, file);
1.10 schwarze 899: }
900:
901: static void
1.24 schwarze 902: pg_show(struct req *req, const char *fullpath)
1.1 schwarze 903: {
1.24 schwarze 904: char *manpath;
905: const char *file;
1.1 schwarze 906:
1.24 schwarze 907: if ((file = strchr(fullpath, '/')) == NULL) {
1.12 schwarze 908: pg_error_badrequest(
1.1 schwarze 909: "You did not specify a page to show.");
910: return;
1.43 schwarze 911: }
1.24 schwarze 912: manpath = mandoc_strndup(fullpath, file - fullpath);
913: file++;
1.1 schwarze 914:
1.24 schwarze 915: if ( ! validate_manpath(req, manpath)) {
1.17 schwarze 916: pg_error_badrequest(
917: "You specified an invalid manpath.");
1.24 schwarze 918: free(manpath);
1.17 schwarze 919: return;
920: }
921:
1.1 schwarze 922: /*
923: * Begin by chdir()ing into the manpath.
924: * This way we can pick up the database files, which are
925: * relative to the manpath root.
926: */
927:
1.24 schwarze 928: if (chdir(manpath) == -1) {
1.67 schwarze 929: warn("chdir %s", manpath);
1.17 schwarze 930: pg_error_internal();
1.24 schwarze 931: free(manpath);
1.16 schwarze 932: return;
933: }
1.73 schwarze 934: free(manpath);
1.24 schwarze 935:
936: if ( ! validate_filename(file)) {
1.16 schwarze 937: pg_error_badrequest(
938: "You specified an invalid manual file.");
1.1 schwarze 939: return;
940: }
1.19 schwarze 941:
1.88 schwarze 942: resp_begin_html(200, NULL, file);
1.70 schwarze 943: resp_searchform(req, FOCUS_NONE);
1.24 schwarze 944: resp_show(req, file);
1.10 schwarze 945: resp_end_html();
1.1 schwarze 946: }
947:
948: static void
1.6 schwarze 949: pg_search(const struct req *req)
1.1 schwarze 950: {
951: struct mansearch search;
952: struct manpaths paths;
953: struct manpage *res;
1.36 schwarze 954: char **argv;
955: char *query, *rp, *wp;
1.1 schwarze 956: size_t ressz;
1.36 schwarze 957: int argc;
1.1 schwarze 958:
959: /*
960: * Begin by chdir()ing into the root of the manpath.
961: * This way we can pick up the database files, which are
962: * relative to the manpath root.
963: */
964:
1.67 schwarze 965: if (chdir(req->q.manpath) == -1) {
966: warn("chdir %s", req->q.manpath);
1.17 schwarze 967: pg_error_internal();
1.1 schwarze 968: return;
969: }
970:
971: search.arch = req->q.arch;
972: search.sec = req->q.sec;
1.35 schwarze 973: search.outkey = "Nd";
974: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.40 schwarze 975: search.firstmatch = 1;
1.1 schwarze 976:
977: paths.sz = 1;
978: paths.paths = mandoc_malloc(sizeof(char *));
979: paths.paths[0] = mandoc_strdup(".");
980:
981: /*
1.36 schwarze 982: * Break apart at spaces with backslash-escaping.
1.1 schwarze 983: */
984:
1.36 schwarze 985: argc = 0;
986: argv = NULL;
987: rp = query = mandoc_strdup(req->q.query);
988: for (;;) {
989: while (isspace((unsigned char)*rp))
990: rp++;
991: if (*rp == '\0')
992: break;
993: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
994: argv[argc++] = wp = rp;
995: for (;;) {
996: if (isspace((unsigned char)*rp)) {
997: *wp = '\0';
998: rp++;
999: break;
1000: }
1001: if (rp[0] == '\\' && rp[1] != '\0')
1002: rp++;
1003: if (wp != rp)
1004: *wp = *rp;
1005: if (*rp == '\0')
1006: break;
1007: wp++;
1008: rp++;
1009: }
1.1 schwarze 1010: }
1011:
1.87 schwarze 1012: res = NULL;
1013: ressz = 0;
1014: if (req->isquery && req->q.equal && argc == 1)
1015: pg_redirect(req, argv[0]);
1016: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.106 ! schwarze 1017: pg_noresult(req, 400, "Bad Request",
! 1018: "You entered an invalid query.");
1.87 schwarze 1019: else if (ressz == 0)
1.106 ! schwarze 1020: pg_noresult(req, 404, "Not Found", "No results found.");
1.1 schwarze 1021: else
1.12 schwarze 1022: pg_searchres(req, res, ressz);
1.1 schwarze 1023:
1.36 schwarze 1024: free(query);
1025: mansearch_free(res, ressz);
1.1 schwarze 1026: free(paths.paths[0]);
1027: free(paths.paths);
1028: }
1029:
1030: int
1031: main(void)
1032: {
1.6 schwarze 1033: struct req req;
1.33 schwarze 1034: struct itimerval itimer;
1.6 schwarze 1035: const char *path;
1.23 schwarze 1036: const char *querystring;
1.1 schwarze 1037: int i;
1.86 schwarze 1038:
1039: /*
1040: * The "rpath" pledge could be revoked after mparse_readfd()
1041: * if the file desciptor to "/footer.html" would be opened
1042: * up front, but it's probably not worth the complication
1043: * of the code it would cause: it would require scattering
1044: * pledge() calls in multiple low-level resp_*() functions.
1045: */
1046:
1047: if (pledge("stdio rpath", NULL) == -1) {
1048: warn("pledge");
1049: pg_error_internal();
1050: return EXIT_FAILURE;
1051: }
1.33 schwarze 1052:
1053: /* Poor man's ReDoS mitigation. */
1054:
1.38 schwarze 1055: itimer.it_value.tv_sec = 2;
1.33 schwarze 1056: itimer.it_value.tv_usec = 0;
1.38 schwarze 1057: itimer.it_interval.tv_sec = 2;
1.33 schwarze 1058: itimer.it_interval.tv_usec = 0;
1059: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.67 schwarze 1060: warn("setitimer");
1.20 schwarze 1061: pg_error_internal();
1.48 schwarze 1062: return EXIT_FAILURE;
1.20 schwarze 1063: }
1064:
1.1 schwarze 1065: /*
1.7 schwarze 1066: * First we change directory into the MAN_DIR so that
1.1 schwarze 1067: * subsequent scanning for manpath directories is rooted
1068: * relative to the same position.
1069: */
1070:
1.67 schwarze 1071: if (chdir(MAN_DIR) == -1) {
1072: warn("MAN_DIR: %s", MAN_DIR);
1.12 schwarze 1073: pg_error_internal();
1.48 schwarze 1074: return EXIT_FAILURE;
1.43 schwarze 1075: }
1.1 schwarze 1076:
1077: memset(&req, 0, sizeof(struct req));
1.57 schwarze 1078: req.q.equal = 1;
1.68 schwarze 1079: parse_manpath_conf(&req);
1.1 schwarze 1080:
1.56 schwarze 1081: /* Parse the path info and the query string. */
1.1 schwarze 1082:
1.56 schwarze 1083: if ((path = getenv("PATH_INFO")) == NULL)
1084: path = "";
1085: else if (*path == '/')
1086: path++;
1087:
1.63 schwarze 1088: if (*path != '\0') {
1.68 schwarze 1089: parse_path_info(&req, path);
1.92 schwarze 1090: if (req.q.manpath == NULL || req.q.sec == NULL ||
1091: *req.q.query == '\0' || access(path, F_OK) == -1)
1.63 schwarze 1092: path = "";
1.56 schwarze 1093: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.68 schwarze 1094: parse_query_string(&req, querystring);
1.17 schwarze 1095:
1.56 schwarze 1096: /* Validate parsed data and add defaults. */
1097:
1.41 schwarze 1098: if (req.q.manpath == NULL)
1099: req.q.manpath = mandoc_strdup(req.p[0]);
1100: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.17 schwarze 1101: pg_error_badrequest(
1102: "You specified an invalid manpath.");
1.48 schwarze 1103: return EXIT_FAILURE;
1.17 schwarze 1104: }
1.1 schwarze 1105:
1.97 schwarze 1106: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.20 schwarze 1107: pg_error_badrequest(
1108: "You specified an invalid architecture.");
1.48 schwarze 1109: return EXIT_FAILURE;
1.20 schwarze 1110: }
1111:
1.6 schwarze 1112: /* Dispatch to the three different pages. */
1.1 schwarze 1113:
1.6 schwarze 1114: if ('\0' != *path)
1115: pg_show(&req, path);
1.25 schwarze 1116: else if (NULL != req.q.query)
1.6 schwarze 1117: pg_search(&req);
1118: else
1.12 schwarze 1119: pg_index(&req);
1.1 schwarze 1120:
1.23 schwarze 1121: free(req.q.manpath);
1122: free(req.q.arch);
1123: free(req.q.sec);
1.25 schwarze 1124: free(req.q.query);
1.1 schwarze 1125: for (i = 0; i < (int)req.psz; i++)
1126: free(req.p[i]);
1127: free(req.p);
1.48 schwarze 1128: return EXIT_SUCCESS;
1.56 schwarze 1129: }
1130:
1131: /*
1.99 schwarze 1132: * Translate PATH_INFO to a query.
1.56 schwarze 1133: */
1134: static void
1.68 schwarze 1135: parse_path_info(struct req *req, const char *path)
1.56 schwarze 1136: {
1.99 schwarze 1137: const char *name, *sec, *end;
1.56 schwarze 1138:
1.60 schwarze 1139: req->isquery = 0;
1.56 schwarze 1140: req->q.equal = 1;
1.99 schwarze 1141: req->q.manpath = NULL;
1.74 schwarze 1142: req->q.arch = NULL;
1.56 schwarze 1143:
1144: /* Mandatory manual page name. */
1.99 schwarze 1145: if ((name = strrchr(path, '/')) == NULL)
1146: name = path;
1147: else
1148: name++;
1.56 schwarze 1149:
1150: /* Optional trailing section. */
1.99 schwarze 1151: sec = strrchr(name, '.');
1152: if (sec != NULL && isdigit((unsigned char)*++sec)) {
1153: req->q.query = mandoc_strndup(name, sec - name - 1);
1154: req->q.sec = mandoc_strdup(sec);
1155: } else {
1156: req->q.query = mandoc_strdup(name);
1157: req->q.sec = NULL;
1.56 schwarze 1158: }
1159:
1160: /* Handle the case of name[.section] only. */
1.99 schwarze 1161: if (name == path)
1.56 schwarze 1162: return;
1163:
1.74 schwarze 1164: /* Optional manpath. */
1.99 schwarze 1165: end = strchr(path, '/');
1166: req->q.manpath = mandoc_strndup(path, end - path);
1167: if (validate_manpath(req, req->q.manpath)) {
1168: path = end + 1;
1169: if (name == path)
1170: return;
1171: } else {
1172: free(req->q.manpath);
1.74 schwarze 1173: req->q.manpath = NULL;
1.99 schwarze 1174: }
1.56 schwarze 1175:
1.74 schwarze 1176: /* Optional section. */
1.103 schwarze 1177: if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
1.99 schwarze 1178: path += 3;
1179: end = strchr(path, '/');
1.66 schwarze 1180: free(req->q.sec);
1.99 schwarze 1181: req->q.sec = mandoc_strndup(path, end - path);
1182: path = end + 1;
1183: if (name == path)
1184: return;
1.56 schwarze 1185: }
1.99 schwarze 1186:
1187: /* Optional architecture. */
1188: end = strchr(path, '/');
1189: if (end + 1 != name) {
1190: pg_error_badrequest(
1191: "You specified too many directory components.");
1192: exit(EXIT_FAILURE);
1.74 schwarze 1193: }
1.99 schwarze 1194: req->q.arch = mandoc_strndup(path, end - path);
1195: if (validate_arch(req->q.arch) == 0) {
1.74 schwarze 1196: pg_error_badrequest(
1197: "You specified an invalid directory component.");
1198: exit(EXIT_FAILURE);
1199: }
1.1 schwarze 1200: }
1201:
1202: /*
1203: * Scan for indexable paths.
1204: */
1205: static void
1.68 schwarze 1206: parse_manpath_conf(struct req *req)
1.1 schwarze 1207: {
1208: FILE *fp;
1209: char *dp;
1210: size_t dpsz;
1.54 schwarze 1211: ssize_t len;
1.1 schwarze 1212:
1.67 schwarze 1213: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1214: warn("%s/manpath.conf", MAN_DIR);
1.14 schwarze 1215: pg_error_internal();
1216: exit(EXIT_FAILURE);
1217: }
1.1 schwarze 1218:
1.54 schwarze 1219: dp = NULL;
1220: dpsz = 0;
1221:
1222: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1223: if (dp[len - 1] == '\n')
1224: dp[--len] = '\0';
1.1 schwarze 1225: req->p = mandoc_realloc(req->p,
1226: (req->psz + 1) * sizeof(char *));
1.20 schwarze 1227: if ( ! validate_urifrag(dp)) {
1.67 schwarze 1228: warnx("%s/manpath.conf contains "
1229: "unsafe path \"%s\"", MAN_DIR, dp);
1.20 schwarze 1230: pg_error_internal();
1231: exit(EXIT_FAILURE);
1232: }
1.67 schwarze 1233: if (strchr(dp, '/') != NULL) {
1234: warnx("%s/manpath.conf contains "
1235: "path with slash \"%s\"", MAN_DIR, dp);
1.20 schwarze 1236: pg_error_internal();
1237: exit(EXIT_FAILURE);
1238: }
1239: req->p[req->psz++] = dp;
1.54 schwarze 1240: dp = NULL;
1241: dpsz = 0;
1.14 schwarze 1242: }
1.54 schwarze 1243: free(dp);
1.14 schwarze 1244:
1.67 schwarze 1245: if (req->p == NULL) {
1246: warnx("%s/manpath.conf is empty", MAN_DIR);
1.14 schwarze 1247: pg_error_internal();
1248: exit(EXIT_FAILURE);
1.1 schwarze 1249: }
1250: }
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