Annotation of mandoc/cgi.c, Revision 1.149
1.149 ! schwarze 1: /* $Id: cgi.c,v 1.148 2017/02/22 16:20:01 schwarze Exp $ */
1.6 kristaps 2: /*
1.42 kristaps 3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.142 schwarze 4: * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@usta.de>
1.6 kristaps 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: *
1.105 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.105 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 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: */
18: #include "config.h"
1.93 schwarze 19:
20: #include <sys/types.h>
1.95 schwarze 21: #include <sys/time.h>
1.6 kristaps 22:
23: #include <ctype.h>
1.147 schwarze 24: #if HAVE_ERR
1.128 schwarze 25: #include <err.h>
1.147 schwarze 26: #endif
1.58 schwarze 27: #include <errno.h>
1.1 kristaps 28: #include <fcntl.h>
1.6 kristaps 29: #include <limits.h>
1.92 schwarze 30: #include <stdint.h>
1.1 kristaps 31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
1.6 kristaps 34: #include <unistd.h>
1.1 kristaps 35:
1.108 schwarze 36: #include "mandoc_aux.h"
1.4 schwarze 37: #include "mandoc.h"
1.108 schwarze 38: #include "roff.h"
1.111 schwarze 39: #include "mdoc.h"
1.112 schwarze 40: #include "man.h"
1.8 kristaps 41: #include "main.h"
1.105 schwarze 42: #include "manconf.h"
1.52 schwarze 43: #include "mansearch.h"
1.67 schwarze 44: #include "cgi.h"
1.1 kristaps 45:
1.20 kristaps 46: /*
47: * A query as passed to the search function.
48: */
49: struct query {
1.83 schwarze 50: char *manpath; /* desired manual directory */
51: char *arch; /* architecture */
52: char *sec; /* manual section */
1.85 schwarze 53: char *query; /* unparsed query expression */
1.65 schwarze 54: int equal; /* match whole names, not substrings */
1.20 kristaps 55: };
56:
1.1 kristaps 57: struct req {
1.58 schwarze 58: struct query q;
59: char **p; /* array of available manpaths */
60: size_t psz; /* number of available manpaths */
1.121 schwarze 61: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 kristaps 62: };
63:
1.131 schwarze 64: enum focus {
65: FOCUS_NONE = 0,
66: FOCUS_QUERY
67: };
68:
1.6 kristaps 69: static void html_print(const char *);
1.10 kristaps 70: static void html_putchar(char);
1.104 schwarze 71: static int http_decode(char *);
1.129 schwarze 72: static void parse_manpath_conf(struct req *);
73: static void parse_path_info(struct req *req, const char *path);
74: static void parse_query_string(struct req *, const char *);
1.72 schwarze 75: static void pg_error_badrequest(const char *);
76: static void pg_error_internal(void);
77: static void pg_index(const struct req *);
78: static void pg_noresult(const struct req *, const char *);
1.149 ! schwarze 79: static void pg_redirect(const struct req *, const char *);
1.66 schwarze 80: static void pg_search(const struct req *);
1.72 schwarze 81: static void pg_searchres(const struct req *,
82: struct manpage *, size_t);
1.79 schwarze 83: static void pg_show(struct req *, const char *);
1.6 kristaps 84: static void resp_begin_html(int, const char *);
85: static void resp_begin_http(int, const char *);
1.129 schwarze 86: static void resp_catman(const struct req *, const char *);
1.114 schwarze 87: static void resp_copy(const char *);
1.6 kristaps 88: static void resp_end_html(void);
1.129 schwarze 89: static void resp_format(const struct req *, const char *);
1.131 schwarze 90: static void resp_searchform(const struct req *, enum focus);
1.70 schwarze 91: static void resp_show(const struct req *, const char *);
1.85 schwarze 92: static void set_query_attr(char **, char **);
93: static int validate_filename(const char *);
94: static int validate_manpath(const struct req *, const char *);
95: static int validate_urifrag(const char *);
1.6 kristaps 96:
1.119 schwarze 97: static const char *scriptname = SCRIPT_NAME;
1.1 kristaps 98:
1.70 schwarze 99: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.68 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",
1.96 schwarze 107: "3 - Library Functions",
108: "3p - Perl Library",
109: "4 - Device Drivers",
1.68 schwarze 110: "5 - File Formats",
111: "6 - Games",
1.96 schwarze 112: "7 - Miscellaneous Information",
113: "8 - System Manager\'s Manual",
114: "9 - Kernel Developer\'s Manual"
1.68 schwarze 115: };
116: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
117:
118: static const char *const arch_names[] = {
1.146 schwarze 119: "amd64", "alpha", "armv7", "arm64",
1.137 schwarze 120: "hppa", "i386", "landisk",
1.125 schwarze 121: "loongson", "luna88k", "macppc", "mips64",
1.140 schwarze 122: "octeon", "sgi", "socppc", "sparc64",
1.137 schwarze 123: "amiga", "arc", "armish", "arm32",
124: "atari", "aviion", "beagle", "cats",
125: "hppa64", "hp300",
1.125 schwarze 126: "ia64", "mac68k", "mvme68k", "mvme88k",
127: "mvmeppc", "palm", "pc532", "pegasos",
1.139 schwarze 128: "pmax", "powerpc", "solbourne", "sparc",
1.140 schwarze 129: "sun3", "vax", "wgrisc", "x68k",
130: "zaurus"
1.68 schwarze 131: };
132: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
133:
1.6 kristaps 134: /*
1.20 kristaps 135: * Print a character, escaping HTML along the way.
136: * This will pass non-ASCII straight to output: be warned!
137: */
1.10 kristaps 138: static void
139: html_putchar(char c)
140: {
141:
142: switch (c) {
143: case ('"'):
1.141 schwarze 144: printf(""");
1.10 kristaps 145: break;
146: case ('&'):
147: printf("&");
148: break;
149: case ('>'):
150: printf(">");
151: break;
152: case ('<'):
153: printf("<");
154: break;
155: default:
156: putchar((unsigned char)c);
157: break;
158: }
159: }
1.57 schwarze 160:
1.6 kristaps 161: /*
1.20 kristaps 162: * Call through to html_putchar().
163: * Accepts NULL strings.
1.6 kristaps 164: */
1.1 kristaps 165: static void
1.6 kristaps 166: html_print(const char *p)
1.1 kristaps 167: {
1.104 schwarze 168:
1.6 kristaps 169: if (NULL == p)
170: return;
1.1 kristaps 171: while ('\0' != *p)
1.10 kristaps 172: html_putchar(*p++);
1.1 kristaps 173: }
174:
175: /*
1.83 schwarze 176: * Transfer the responsibility for the allocated string *val
177: * to the query structure.
1.1 kristaps 178: */
179: static void
1.83 schwarze 180: set_query_attr(char **attr, char **val)
1.1 kristaps 181: {
182:
1.83 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
1.129 schwarze 197: parse_query_string(struct req *req, const char *qs)
1.83 schwarze 198: {
199: char *key, *val;
200: size_t keysz, valsz;
201:
1.121 schwarze 202: req->isquery = 1;
1.83 schwarze 203: req->q.manpath = NULL;
204: req->q.arch = NULL;
205: req->q.sec = NULL;
1.85 schwarze 206: req->q.query = NULL;
1.83 schwarze 207: req->q.equal = 1;
208:
209: key = val = NULL;
210: while (*qs != '\0') {
1.24 kristaps 211:
1.83 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 kristaps 227:
1.83 schwarze 228: if ( ! (http_decode(key) && http_decode(val)))
229: goto next;
1.1 kristaps 230:
1.83 schwarze 231: /* Handle key-value pairs. */
1.1 kristaps 232:
1.83 schwarze 233: if ( ! strcmp(key, "query"))
1.85 schwarze 234: set_query_attr(&req->q.query, &val);
1.1 kristaps 235:
1.83 schwarze 236: else if ( ! strcmp(key, "apropos"))
237: req->q.equal = !strcmp(val, "0");
238:
239: else if ( ! strcmp(key, "manpath")) {
1.73 schwarze 240: #ifdef COMPAT_OLDURI
1.83 schwarze 241: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.73 schwarze 242: val[7] = '-';
243: if ('C' == val[8])
244: val[8] = 'c';
245: }
246: #endif
1.83 schwarze 247: set_query_attr(&req->q.manpath, &val);
248: }
249:
250: else if ( ! (strcmp(key, "sec")
1.73 schwarze 251: #ifdef COMPAT_OLDURI
1.83 schwarze 252: && strcmp(key, "sektion")
1.73 schwarze 253: #endif
1.83 schwarze 254: )) {
255: if ( ! strcmp(val, "0"))
256: *val = '\0';
257: set_query_attr(&req->q.sec, &val);
1.65 schwarze 258: }
1.83 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++;
1.24 kristaps 279: }
1.1 kristaps 280: }
281:
282: /*
1.6 kristaps 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.
1.1 kristaps 286: */
287: static int
1.24 kristaps 288: http_decode(char *p)
1.1 kristaps 289: {
290: char hex[3];
1.63 schwarze 291: char *q;
1.1 kristaps 292: int c;
293:
294: hex[2] = '\0';
295:
1.63 schwarze 296: q = p;
297: for ( ; '\0' != *p; p++, q++) {
1.1 kristaps 298: if ('%' == *p) {
299: if ('\0' == (hex[0] = *(p + 1)))
1.109 schwarze 300: return 0;
1.1 kristaps 301: if ('\0' == (hex[1] = *(p + 2)))
1.109 schwarze 302: return 0;
1.1 kristaps 303: if (1 != sscanf(hex, "%x", &c))
1.109 schwarze 304: return 0;
1.1 kristaps 305: if ('\0' == c)
1.109 schwarze 306: return 0;
1.1 kristaps 307:
1.63 schwarze 308: *q = (char)c;
309: p += 2;
1.1 kristaps 310: } else
1.63 schwarze 311: *q = '+' == *p ? ' ' : *p;
1.1 kristaps 312: }
313:
1.63 schwarze 314: *q = '\0';
1.109 schwarze 315: return 1;
1.1 kristaps 316: }
317:
1.6 kristaps 318: static void
319: resp_begin_http(int code, const char *msg)
320: {
321:
322: if (200 != code)
1.62 schwarze 323: printf("Status: %d %s\r\n", code, msg);
1.6 kristaps 324:
1.62 schwarze 325: printf("Content-Type: text/html; charset=utf-8\r\n"
326: "Cache-Control: no-cache\r\n"
327: "Pragma: no-cache\r\n"
328: "\r\n");
1.6 kristaps 329:
330: fflush(stdout);
331: }
332:
333: static void
1.114 schwarze 334: resp_copy(const char *filename)
335: {
336: char buf[4096];
337: ssize_t sz;
338: int fd;
339:
340: if ((fd = open(filename, O_RDONLY)) != -1) {
341: fflush(stdout);
342: while ((sz = read(fd, buf, sizeof(buf))) > 0)
343: write(STDOUT_FILENO, buf, sz);
1.138 schwarze 344: close(fd);
1.114 schwarze 345: }
346: }
347:
348: static void
1.6 kristaps 349: resp_begin_html(int code, const char *msg)
350: {
351:
352: resp_begin_http(code, msg);
353:
1.98 kristaps 354: printf("<!DOCTYPE html>\n"
1.126 schwarze 355: "<html>\n"
356: "<head>\n"
1.143 schwarze 357: " <meta charset=\"UTF-8\"/>\n"
358: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 359: " type=\"text/css\" media=\"all\">\n"
1.143 schwarze 360: " <title>%s</title>\n"
1.126 schwarze 361: "</head>\n"
1.142 schwarze 362: "<body>\n",
1.113 schwarze 363: CSS_DIR, CUSTOMIZE_TITLE);
1.114 schwarze 364:
365: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 366: }
367:
368: static void
369: resp_end_html(void)
370: {
371:
1.114 schwarze 372: resp_copy(MAN_DIR "/footer.html");
373:
1.126 schwarze 374: puts("</body>\n"
375: "</html>");
1.6 kristaps 376: }
377:
378: static void
1.131 schwarze 379: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 380: {
1.27 kristaps 381: int i;
1.13 kristaps 382:
1.142 schwarze 383: printf("<form action=\"/%s\" method=\"get\">\n"
1.143 schwarze 384: " <fieldset>\n"
385: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 386: scriptname);
1.68 schwarze 387:
388: /* Write query input box. */
389:
1.143 schwarze 390: printf(" <input type=\"text\" name=\"query\" value=\"");
1.131 schwarze 391: if (req->q.query != NULL)
1.85 schwarze 392: html_print(req->q.query);
1.131 schwarze 393: printf( "\" size=\"40\"");
394: if (focus == FOCUS_QUERY)
395: printf(" autofocus");
396: puts(">");
1.68 schwarze 397:
1.132 schwarze 398: /* Write submission buttons. */
1.68 schwarze 399:
1.143 schwarze 400: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 401: "man</button>\n"
1.143 schwarze 402: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
403: "apropos</button>\n"
404: " <br/>\n");
1.68 schwarze 405:
406: /* Write section selector. */
407:
1.143 schwarze 408: puts(" <select name=\"sec\">");
1.68 schwarze 409: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 410: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 411: if (NULL != req->q.sec &&
412: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 413: printf(" selected=\"selected\"");
414: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 415: }
1.143 schwarze 416: puts(" </select>");
1.68 schwarze 417:
418: /* Write architecture selector. */
419:
1.143 schwarze 420: printf( " <select name=\"arch\">\n"
421: " <option value=\"default\"");
1.81 schwarze 422: if (NULL == req->q.arch)
1.126 schwarze 423: printf(" selected=\"selected\"");
424: puts(">All Architectures</option>");
1.68 schwarze 425: for (i = 0; i < arch_MAX; i++) {
1.143 schwarze 426: printf(" <option value=\"%s\"", arch_names[i]);
1.68 schwarze 427: if (NULL != req->q.arch &&
428: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 429: printf(" selected=\"selected\"");
430: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 431: }
1.143 schwarze 432: puts(" </select>");
1.68 schwarze 433:
434: /* Write manpath selector. */
435:
1.27 kristaps 436: if (req->psz > 1) {
1.143 schwarze 437: puts(" <select name=\"manpath\">");
1.27 kristaps 438: for (i = 0; i < (int)req->psz; i++) {
1.143 schwarze 439: printf(" <option ");
1.102 schwarze 440: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.126 schwarze 441: printf("selected=\"selected\" ");
442: printf("value=\"");
1.52 schwarze 443: html_print(req->p[i]);
1.27 kristaps 444: printf("\">");
1.52 schwarze 445: html_print(req->p[i]);
1.126 schwarze 446: puts("</option>");
1.27 kristaps 447: }
1.143 schwarze 448: puts(" </select>");
1.27 kristaps 449: }
1.68 schwarze 450:
1.143 schwarze 451: puts(" </fieldset>\n"
1.142 schwarze 452: "</form>");
1.6 kristaps 453: }
454:
1.76 schwarze 455: static int
1.80 schwarze 456: validate_urifrag(const char *frag)
457: {
458:
459: while ('\0' != *frag) {
460: if ( ! (isalnum((unsigned char)*frag) ||
461: '-' == *frag || '.' == *frag ||
462: '/' == *frag || '_' == *frag))
1.109 schwarze 463: return 0;
1.80 schwarze 464: frag++;
465: }
1.109 schwarze 466: return 1;
1.80 schwarze 467: }
468:
469: static int
1.77 schwarze 470: validate_manpath(const struct req *req, const char* manpath)
471: {
472: size_t i;
473:
474: for (i = 0; i < req->psz; i++)
475: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 476: return 1;
1.77 schwarze 477:
1.109 schwarze 478: return 0;
1.77 schwarze 479: }
480:
481: static int
1.76 schwarze 482: validate_filename(const char *file)
483: {
484:
485: if ('.' == file[0] && '/' == file[1])
486: file += 2;
487:
1.109 schwarze 488: return ! (strstr(file, "../") || strstr(file, "/..") ||
489: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 490: }
491:
1.6 kristaps 492: static void
1.72 schwarze 493: pg_index(const struct req *req)
1.6 kristaps 494: {
495:
496: resp_begin_html(200, NULL);
1.131 schwarze 497: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 498: printf("<p>\n"
1.86 schwarze 499: "This web interface is documented in the\n"
1.144 schwarze 500: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 501: "manual, and the\n"
1.144 schwarze 502: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 503: "manual explains the query syntax.\n"
1.126 schwarze 504: "</p>\n",
1.119 schwarze 505: scriptname, *scriptname == '\0' ? "" : "/",
506: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 507: resp_end_html();
508: }
509:
510: static void
1.72 schwarze 511: pg_noresult(const struct req *req, const char *msg)
1.59 schwarze 512: {
513: resp_begin_html(200, NULL);
1.131 schwarze 514: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 515: puts("<p>");
1.59 schwarze 516: puts(msg);
1.126 schwarze 517: puts("</p>");
1.59 schwarze 518: resp_end_html();
519: }
520:
521: static void
1.72 schwarze 522: pg_error_badrequest(const char *msg)
1.9 kristaps 523: {
524:
1.59 schwarze 525: resp_begin_html(400, "Bad Request");
1.126 schwarze 526: puts("<h1>Bad Request</h1>\n"
527: "<p>\n");
1.59 schwarze 528: puts(msg);
529: printf("Try again from the\n"
1.126 schwarze 530: "<a href=\"/%s\">main page</a>.\n"
531: "</p>", scriptname);
1.9 kristaps 532: resp_end_html();
533: }
534:
535: static void
1.72 schwarze 536: pg_error_internal(void)
1.7 kristaps 537: {
538: resp_begin_html(500, "Internal Server Error");
1.126 schwarze 539: puts("<p>Internal Server Error</p>");
1.7 kristaps 540: resp_end_html();
541: }
542:
543: static void
1.149 ! schwarze 544: pg_redirect(const struct req *req, const char *name)
! 545: {
! 546: printf("Status: 303 See Other\r\n");
! 547: printf("Location: http://%s/", HTTP_HOST);
! 548: if (*scriptname != '\0')
! 549: printf("%s/", scriptname);
! 550: if (strcmp(req->q.manpath, req->p[0]))
! 551: printf("%s/", req->q.manpath);
! 552: if (req->q.arch != NULL)
! 553: printf("%s/", req->q.arch);
! 554: printf("%s", name);
! 555: if (req->q.sec != NULL)
! 556: printf(".%s", req->q.sec);
! 557: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
! 558: }
! 559:
! 560: static void
1.72 schwarze 561: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 562: {
1.81 schwarze 563: char *arch, *archend;
1.120 schwarze 564: const char *sec;
565: size_t i, iuse;
1.81 schwarze 566: int archprio, archpriouse;
1.70 schwarze 567: int prio, priouse;
1.19 kristaps 568:
1.76 schwarze 569: for (i = 0; i < sz; i++) {
570: if (validate_filename(r[i].file))
571: continue;
1.128 schwarze 572: warnx("invalid filename %s in %s database",
1.76 schwarze 573: r[i].file, req->q.manpath);
574: pg_error_internal();
575: return;
576: }
577:
1.121 schwarze 578: if (req->isquery && sz == 1) {
1.6 kristaps 579: /*
580: * If we have just one result, then jump there now
581: * without any delay.
582: */
1.62 schwarze 583: printf("Status: 303 See Other\r\n");
1.119 schwarze 584: printf("Location: http://%s/%s%s%s/%s",
585: HTTP_HOST, scriptname,
586: *scriptname == '\0' ? "" : "/",
587: req->q.manpath, r[0].file);
1.62 schwarze 588: printf("\r\n"
589: "Content-Type: text/html; charset=utf-8\r\n"
590: "\r\n");
1.6 kristaps 591: return;
592: }
593:
1.12 kristaps 594: resp_begin_html(200, NULL);
1.131 schwarze 595: resp_searchform(req,
596: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
1.1 kristaps 597:
1.123 schwarze 598: if (sz > 1) {
1.144 schwarze 599: puts("<table class=\"results\">");
1.123 schwarze 600: for (i = 0; i < sz; i++) {
1.143 schwarze 601: printf(" <tr>\n"
1.144 schwarze 602: " <td>"
603: "<a class=\"Xr\" href=\"/%s%s%s/%s\">",
1.123 schwarze 604: scriptname, *scriptname == '\0' ? "" : "/",
605: req->q.manpath, r[i].file);
606: html_print(r[i].names);
1.143 schwarze 607: printf("</a></td>\n"
1.144 schwarze 608: " <td><span class=\"Nd\">");
1.123 schwarze 609: html_print(r[i].output);
1.144 schwarze 610: puts("</span></td>\n"
1.143 schwarze 611: " </tr>");
1.123 schwarze 612: }
1.144 schwarze 613: puts("</table>");
1.1 kristaps 614: }
1.16 kristaps 615:
1.70 schwarze 616: /*
617: * In man(1) mode, show one of the pages
618: * even if more than one is found.
619: */
620:
1.123 schwarze 621: if (req->q.equal || sz == 1) {
1.126 schwarze 622: puts("<hr>");
1.70 schwarze 623: iuse = 0;
1.120 schwarze 624: priouse = 20;
1.81 schwarze 625: archpriouse = 3;
1.70 schwarze 626: for (i = 0; i < sz; i++) {
1.120 schwarze 627: sec = r[i].file;
628: sec += strcspn(sec, "123456789");
629: if (sec[0] == '\0')
1.70 schwarze 630: continue;
1.120 schwarze 631: prio = sec_prios[sec[0] - '1'];
632: if (sec[1] != '/')
633: prio += 10;
634: if (req->q.arch == NULL) {
1.81 schwarze 635: archprio =
1.120 schwarze 636: ((arch = strchr(sec + 1, '/'))
637: == NULL) ? 3 :
638: ((archend = strchr(arch + 1, '/'))
639: == NULL) ? 0 :
1.81 schwarze 640: strncmp(arch, "amd64/",
641: archend - arch) ? 2 : 1;
642: if (archprio < archpriouse) {
643: archpriouse = archprio;
644: priouse = prio;
645: iuse = i;
646: continue;
647: }
648: if (archprio > archpriouse)
649: continue;
650: }
1.70 schwarze 651: if (prio >= priouse)
652: continue;
653: priouse = prio;
654: iuse = i;
655: }
656: resp_show(req, r[iuse].file);
657: }
658:
1.6 kristaps 659: resp_end_html();
660: }
661:
1.1 kristaps 662: static void
1.129 schwarze 663: resp_catman(const struct req *req, const char *file)
1.9 kristaps 664: {
1.10 kristaps 665: FILE *f;
1.115 schwarze 666: char *p;
667: size_t sz;
668: ssize_t len;
1.10 kristaps 669: int i;
670: int italic, bold;
1.9 kristaps 671:
1.115 schwarze 672: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 673: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 674: return;
675: }
676:
1.126 schwarze 677: puts("<div class=\"catman\">\n"
678: "<pre>");
1.10 kristaps 679:
1.115 schwarze 680: p = NULL;
681: sz = 0;
682:
683: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 684: bold = italic = 0;
1.115 schwarze 685: for (i = 0; i < len - 1; i++) {
1.104 schwarze 686: /*
1.10 kristaps 687: * This means that the catpage is out of state.
688: * Ignore it and keep going (although the
689: * catpage is bogus).
690: */
691:
692: if ('\b' == p[i] || '\n' == p[i])
693: continue;
694:
695: /*
696: * Print a regular character.
697: * Close out any bold/italic scopes.
698: * If we're in back-space mode, make sure we'll
699: * have something to enter when we backspace.
700: */
701:
702: if ('\b' != p[i + 1]) {
703: if (italic)
1.126 schwarze 704: printf("</i>");
1.10 kristaps 705: if (bold)
1.126 schwarze 706: printf("</b>");
1.10 kristaps 707: italic = bold = 0;
708: html_putchar(p[i]);
709: continue;
1.115 schwarze 710: } else if (i + 2 >= len)
1.10 kristaps 711: continue;
712:
713: /* Italic mode. */
714:
715: if ('_' == p[i]) {
716: if (bold)
1.126 schwarze 717: printf("</b>");
1.10 kristaps 718: if ( ! italic)
1.126 schwarze 719: printf("<i>");
1.10 kristaps 720: bold = 0;
721: italic = 1;
722: i += 2;
723: html_putchar(p[i]);
724: continue;
725: }
726:
1.104 schwarze 727: /*
1.10 kristaps 728: * Handle funny behaviour troff-isms.
729: * These grok'd from the original man2html.c.
730: */
731:
732: if (('+' == p[i] && 'o' == p[i + 2]) ||
733: ('o' == p[i] && '+' == p[i + 2]) ||
734: ('|' == p[i] && '=' == p[i + 2]) ||
735: ('=' == p[i] && '|' == p[i + 2]) ||
736: ('*' == p[i] && '=' == p[i + 2]) ||
737: ('=' == p[i] && '*' == p[i + 2]) ||
738: ('*' == p[i] && '|' == p[i + 2]) ||
739: ('|' == p[i] && '*' == p[i + 2])) {
740: if (italic)
1.126 schwarze 741: printf("</i>");
1.10 kristaps 742: if (bold)
1.126 schwarze 743: printf("</b>");
1.10 kristaps 744: italic = bold = 0;
745: putchar('*');
746: i += 2;
747: continue;
748: } else if (('|' == p[i] && '-' == p[i + 2]) ||
749: ('-' == p[i] && '|' == p[i + 1]) ||
750: ('+' == p[i] && '-' == p[i + 1]) ||
751: ('-' == p[i] && '+' == p[i + 1]) ||
752: ('+' == p[i] && '|' == p[i + 1]) ||
753: ('|' == p[i] && '+' == p[i + 1])) {
754: if (italic)
1.126 schwarze 755: printf("</i>");
1.10 kristaps 756: if (bold)
1.126 schwarze 757: printf("</b>");
1.10 kristaps 758: italic = bold = 0;
759: putchar('+');
760: i += 2;
761: continue;
762: }
763:
764: /* Bold mode. */
1.104 schwarze 765:
1.10 kristaps 766: if (italic)
1.126 schwarze 767: printf("</i>");
1.10 kristaps 768: if ( ! bold)
1.126 schwarze 769: printf("<b>");
1.10 kristaps 770: bold = 1;
771: italic = 0;
772: i += 2;
773: html_putchar(p[i]);
774: }
775:
1.104 schwarze 776: /*
1.10 kristaps 777: * Clean up the last character.
1.104 schwarze 778: * We can get to a newline; don't print that.
1.10 kristaps 779: */
1.9 kristaps 780:
1.10 kristaps 781: if (italic)
1.126 schwarze 782: printf("</i>");
1.10 kristaps 783: if (bold)
1.126 schwarze 784: printf("</b>");
1.9 kristaps 785:
1.115 schwarze 786: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 787: html_putchar(p[i]);
1.9 kristaps 788:
1.10 kristaps 789: putchar('\n');
790: }
1.115 schwarze 791: free(p);
1.10 kristaps 792:
1.126 schwarze 793: puts("</pre>\n"
794: "</div>");
1.10 kristaps 795:
796: fclose(f);
1.9 kristaps 797: }
798:
799: static void
1.129 schwarze 800: resp_format(const struct req *req, const char *file)
1.7 kristaps 801: {
1.106 schwarze 802: struct manoutput conf;
1.8 kristaps 803: struct mparse *mp;
1.107 schwarze 804: struct roff_man *man;
1.8 kristaps 805: void *vp;
1.90 schwarze 806: int fd;
807: int usepath;
1.7 kristaps 808:
1.8 kristaps 809: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 810: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 811: return;
812: }
813:
1.110 schwarze 814: mchars_alloc();
1.136 schwarze 815: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
816: MANDOCLEVEL_BADARG, NULL, req->q.manpath);
1.103 schwarze 817: mparse_readfd(mp, fd, file);
1.8 kristaps 818: close(fd);
1.7 kristaps 819:
1.106 schwarze 820: memset(&conf, 0, sizeof(conf));
821: conf.fragment = 1;
1.145 schwarze 822: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 823: usepath = strcmp(req->q.manpath, req->p[0]);
1.122 schwarze 824: mandoc_asprintf(&conf.man, "/%s%s%%N.%%S",
825: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 826:
1.108 schwarze 827: mparse_result(mp, &man, NULL);
828: if (man == NULL) {
1.128 schwarze 829: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.72 schwarze 830: pg_error_internal();
1.32 kristaps 831: mparse_free(mp);
1.110 schwarze 832: mchars_free();
1.32 kristaps 833: return;
834: }
835:
1.110 schwarze 836: vp = html_alloc(&conf);
1.7 kristaps 837:
1.111 schwarze 838: if (man->macroset == MACROSET_MDOC) {
839: mdoc_validate(man);
1.108 schwarze 840: html_mdoc(vp, man);
1.112 schwarze 841: } else {
842: man_validate(man);
1.8 kristaps 843: html_man(vp, man);
1.112 schwarze 844: }
1.32 kristaps 845:
1.8 kristaps 846: html_free(vp);
847: mparse_free(mp);
1.110 schwarze 848: mchars_free();
1.106 schwarze 849: free(conf.man);
1.145 schwarze 850: free(conf.style);
1.7 kristaps 851: }
852:
853: static void
1.70 schwarze 854: resp_show(const struct req *req, const char *file)
855: {
1.76 schwarze 856:
857: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 858: file += 2;
1.70 schwarze 859:
860: if ('c' == *file)
1.129 schwarze 861: resp_catman(req, file);
1.70 schwarze 862: else
1.129 schwarze 863: resp_format(req, file);
1.70 schwarze 864: }
865:
866: static void
1.84 schwarze 867: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 868: {
1.84 schwarze 869: char *manpath;
870: const char *file;
1.25 kristaps 871:
1.84 schwarze 872: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 873: pg_error_badrequest(
1.59 schwarze 874: "You did not specify a page to show.");
1.25 kristaps 875: return;
1.104 schwarze 876: }
1.84 schwarze 877: manpath = mandoc_strndup(fullpath, file - fullpath);
878: file++;
1.6 kristaps 879:
1.84 schwarze 880: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 881: pg_error_badrequest(
882: "You specified an invalid manpath.");
1.84 schwarze 883: free(manpath);
1.77 schwarze 884: return;
885: }
886:
1.24 kristaps 887: /*
1.58 schwarze 888: * Begin by chdir()ing into the manpath.
1.24 kristaps 889: * This way we can pick up the database files, which are
890: * relative to the manpath root.
891: */
892:
1.84 schwarze 893: if (chdir(manpath) == -1) {
1.128 schwarze 894: warn("chdir %s", manpath);
1.77 schwarze 895: pg_error_internal();
1.84 schwarze 896: free(manpath);
1.76 schwarze 897: return;
898: }
1.134 schwarze 899: free(manpath);
1.84 schwarze 900:
901: if ( ! validate_filename(file)) {
1.76 schwarze 902: pg_error_badrequest(
903: "You specified an invalid manual file.");
1.24 kristaps 904: return;
905: }
1.79 schwarze 906:
1.70 schwarze 907: resp_begin_html(200, NULL);
1.131 schwarze 908: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 909: resp_show(req, file);
1.70 schwarze 910: resp_end_html();
1.6 kristaps 911: }
912:
913: static void
1.66 schwarze 914: pg_search(const struct req *req)
1.6 kristaps 915: {
1.52 schwarze 916: struct mansearch search;
917: struct manpaths paths;
918: struct manpage *res;
1.97 schwarze 919: char **argv;
920: char *query, *rp, *wp;
1.52 schwarze 921: size_t ressz;
1.97 schwarze 922: int argc;
1.6 kristaps 923:
924: /*
1.24 kristaps 925: * Begin by chdir()ing into the root of the manpath.
926: * This way we can pick up the database files, which are
927: * relative to the manpath root.
928: */
929:
1.128 schwarze 930: if (chdir(req->q.manpath) == -1) {
931: warn("chdir %s", req->q.manpath);
1.77 schwarze 932: pg_error_internal();
1.24 kristaps 933: return;
934: }
935:
1.52 schwarze 936: search.arch = req->q.arch;
937: search.sec = req->q.sec;
1.94 schwarze 938: search.outkey = "Nd";
939: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 940: search.firstmatch = 1;
1.52 schwarze 941:
942: paths.sz = 1;
943: paths.paths = mandoc_malloc(sizeof(char *));
944: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 945:
946: /*
1.97 schwarze 947: * Break apart at spaces with backslash-escaping.
1.6 kristaps 948: */
949:
1.97 schwarze 950: argc = 0;
951: argv = NULL;
952: rp = query = mandoc_strdup(req->q.query);
953: for (;;) {
954: while (isspace((unsigned char)*rp))
955: rp++;
956: if (*rp == '\0')
957: break;
958: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
959: argv[argc++] = wp = rp;
960: for (;;) {
961: if (isspace((unsigned char)*rp)) {
962: *wp = '\0';
963: rp++;
964: break;
965: }
966: if (rp[0] == '\\' && rp[1] != '\0')
967: rp++;
968: if (wp != rp)
969: *wp = *rp;
970: if (*rp == '\0')
971: break;
972: wp++;
973: rp++;
974: }
1.6 kristaps 975: }
976:
1.149 ! schwarze 977: res = NULL;
! 978: ressz = 0;
! 979: if (req->isquery && req->q.equal && argc == 1)
! 980: pg_redirect(req, argv[0]);
! 981: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.72 schwarze 982: pg_noresult(req, "You entered an invalid query.");
1.149 ! schwarze 983: else if (ressz == 0)
1.72 schwarze 984: pg_noresult(req, "No results found.");
1.59 schwarze 985: else
1.72 schwarze 986: pg_searchres(req, res, ressz);
1.6 kristaps 987:
1.97 schwarze 988: free(query);
989: mansearch_free(res, ressz);
1.52 schwarze 990: free(paths.paths[0]);
991: free(paths.paths);
1.1 kristaps 992: }
993:
994: int
995: main(void)
996: {
1.66 schwarze 997: struct req req;
1.95 schwarze 998: struct itimerval itimer;
1.66 schwarze 999: const char *path;
1.83 schwarze 1000: const char *querystring;
1.1 kristaps 1001: int i;
1.148 schwarze 1002:
1003: #if HAVE_PLEDGE
1004: /*
1005: * The "rpath" pledge could be revoked after mparse_readfd()
1006: * if the file desciptor to "/footer.html" would be opened
1007: * up front, but it's probably not worth the complication
1008: * of the code it would cause: it would require scattering
1009: * pledge() calls in multiple low-level resp_*() functions.
1010: */
1011:
1012: if (pledge("stdio rpath", NULL) == -1) {
1013: warn("pledge");
1014: pg_error_internal();
1015: return EXIT_FAILURE;
1016: }
1017: #endif
1.95 schwarze 1018:
1019: /* Poor man's ReDoS mitigation. */
1020:
1.99 schwarze 1021: itimer.it_value.tv_sec = 2;
1.95 schwarze 1022: itimer.it_value.tv_usec = 0;
1.99 schwarze 1023: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1024: itimer.it_interval.tv_usec = 0;
1025: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1026: warn("setitimer");
1.80 schwarze 1027: pg_error_internal();
1.109 schwarze 1028: return EXIT_FAILURE;
1.80 schwarze 1029: }
1030:
1.24 kristaps 1031: /*
1.67 schwarze 1032: * First we change directory into the MAN_DIR so that
1.24 kristaps 1033: * subsequent scanning for manpath directories is rooted
1034: * relative to the same position.
1035: */
1036:
1.128 schwarze 1037: if (chdir(MAN_DIR) == -1) {
1038: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1039: pg_error_internal();
1.109 schwarze 1040: return EXIT_FAILURE;
1.104 schwarze 1041: }
1.24 kristaps 1042:
1043: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1044: req.q.equal = 1;
1.129 schwarze 1045: parse_manpath_conf(&req);
1.1 kristaps 1046:
1.117 schwarze 1047: /* Parse the path info and the query string. */
1.1 kristaps 1048:
1.117 schwarze 1049: if ((path = getenv("PATH_INFO")) == NULL)
1050: path = "";
1051: else if (*path == '/')
1052: path++;
1053:
1.124 schwarze 1054: if (*path != '\0') {
1.129 schwarze 1055: parse_path_info(&req, path);
1.133 schwarze 1056: if (req.q.manpath == NULL || access(path, F_OK) == -1)
1.124 schwarze 1057: path = "";
1.117 schwarze 1058: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1059: parse_query_string(&req, querystring);
1.77 schwarze 1060:
1.117 schwarze 1061: /* Validate parsed data and add defaults. */
1062:
1.102 schwarze 1063: if (req.q.manpath == NULL)
1064: req.q.manpath = mandoc_strdup(req.p[0]);
1065: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1066: pg_error_badrequest(
1067: "You specified an invalid manpath.");
1.109 schwarze 1068: return EXIT_FAILURE;
1.77 schwarze 1069: }
1.1 kristaps 1070:
1.80 schwarze 1071: if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) {
1072: pg_error_badrequest(
1073: "You specified an invalid architecture.");
1.109 schwarze 1074: return EXIT_FAILURE;
1.80 schwarze 1075: }
1076:
1.66 schwarze 1077: /* Dispatch to the three different pages. */
1.1 kristaps 1078:
1.66 schwarze 1079: if ('\0' != *path)
1080: pg_show(&req, path);
1.85 schwarze 1081: else if (NULL != req.q.query)
1.66 schwarze 1082: pg_search(&req);
1083: else
1.72 schwarze 1084: pg_index(&req);
1.1 kristaps 1085:
1.83 schwarze 1086: free(req.q.manpath);
1087: free(req.q.arch);
1088: free(req.q.sec);
1.85 schwarze 1089: free(req.q.query);
1.52 schwarze 1090: for (i = 0; i < (int)req.psz; i++)
1091: free(req.p[i]);
1.24 kristaps 1092: free(req.p);
1.109 schwarze 1093: return EXIT_SUCCESS;
1.117 schwarze 1094: }
1095:
1096: /*
1097: * If PATH_INFO is not a file name, translate it to a query.
1098: */
1099: static void
1.129 schwarze 1100: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1101: {
1.135 schwarze 1102: char *dir[4];
1103: int i;
1.117 schwarze 1104:
1.121 schwarze 1105: req->isquery = 0;
1.117 schwarze 1106: req->q.equal = 1;
1107: req->q.manpath = mandoc_strdup(path);
1.135 schwarze 1108: req->q.arch = NULL;
1.117 schwarze 1109:
1110: /* Mandatory manual page name. */
1111: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1112: req->q.query = req->q.manpath;
1113: req->q.manpath = NULL;
1114: } else
1115: *req->q.query++ = '\0';
1116:
1117: /* Optional trailing section. */
1118: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1119: if(isdigit((unsigned char)req->q.sec[1])) {
1120: *req->q.sec++ = '\0';
1121: req->q.sec = mandoc_strdup(req->q.sec);
1122: } else
1123: req->q.sec = NULL;
1124: }
1125:
1126: /* Handle the case of name[.section] only. */
1.135 schwarze 1127: if (req->q.manpath == NULL)
1.117 schwarze 1128: return;
1.135 schwarze 1129: req->q.query = mandoc_strdup(req->q.query);
1130:
1131: /* Split directory components. */
1132: dir[i = 0] = req->q.manpath;
1133: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1134: if (++i == 3) {
1135: pg_error_badrequest(
1136: "You specified too many directory components.");
1137: exit(EXIT_FAILURE);
1138: }
1139: *dir[i]++ = '\0';
1.117 schwarze 1140: }
1141:
1.135 schwarze 1142: /* Optional manpath. */
1143: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1144: req->q.manpath = NULL;
1145: else if (dir[1] == NULL)
1146: return;
1.117 schwarze 1147:
1.135 schwarze 1148: /* Optional section. */
1149: if (strncmp(dir[i], "man", 3) == 0) {
1.127 schwarze 1150: free(req->q.sec);
1.135 schwarze 1151: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.117 schwarze 1152: }
1.135 schwarze 1153: if (dir[i] == NULL) {
1154: if (req->q.manpath == NULL)
1155: free(dir[0]);
1156: return;
1157: }
1158: if (dir[i + 1] != NULL) {
1159: pg_error_badrequest(
1160: "You specified an invalid directory component.");
1161: exit(EXIT_FAILURE);
1162: }
1163:
1164: /* Optional architecture. */
1165: if (i) {
1166: req->q.arch = mandoc_strdup(dir[i]);
1167: if (req->q.manpath == NULL)
1168: free(dir[0]);
1169: } else
1170: req->q.arch = dir[0];
1.24 kristaps 1171: }
1172:
1173: /*
1174: * Scan for indexable paths.
1175: */
1176: static void
1.129 schwarze 1177: parse_manpath_conf(struct req *req)
1.24 kristaps 1178: {
1.54 schwarze 1179: FILE *fp;
1180: char *dp;
1181: size_t dpsz;
1.115 schwarze 1182: ssize_t len;
1.54 schwarze 1183:
1.128 schwarze 1184: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1185: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1186: pg_error_internal();
1187: exit(EXIT_FAILURE);
1188: }
1.24 kristaps 1189:
1.115 schwarze 1190: dp = NULL;
1191: dpsz = 0;
1192:
1193: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1194: if (dp[len - 1] == '\n')
1195: dp[--len] = '\0';
1.54 schwarze 1196: req->p = mandoc_realloc(req->p,
1197: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1198: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1199: warnx("%s/manpath.conf contains "
1200: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1201: pg_error_internal();
1202: exit(EXIT_FAILURE);
1203: }
1.128 schwarze 1204: if (strchr(dp, '/') != NULL) {
1205: warnx("%s/manpath.conf contains "
1206: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1207: pg_error_internal();
1208: exit(EXIT_FAILURE);
1209: }
1210: req->p[req->psz++] = dp;
1.115 schwarze 1211: dp = NULL;
1212: dpsz = 0;
1.74 schwarze 1213: }
1.115 schwarze 1214: free(dp);
1.74 schwarze 1215:
1.128 schwarze 1216: if (req->p == NULL) {
1217: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1218: pg_error_internal();
1219: exit(EXIT_FAILURE);
1.24 kristaps 1220: }
1221: }
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