Annotation of src/usr.bin/mandoc/cgi.c, Revision 1.110
1.110 ! schwarze 1: /* $OpenBSD: cgi.c,v 1.109 2020/01/10 15:20:49 schwarze Exp $ */
1.1 schwarze 2: /*
1.110 ! schwarze 3: * Copyright (c) 2014-2019 Ingo Schwarze <schwarze@usta.de>
1.1 schwarze 4: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
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.
1.110 ! schwarze 17: *
! 18: * Implementation of the man.cgi(8) program.
1.1 schwarze 19: */
1.33 schwarze 20: #include <sys/types.h>
21: #include <sys/time.h>
22:
1.1 schwarze 23: #include <ctype.h>
1.67 schwarze 24: #include <err.h>
1.1 schwarze 25: #include <errno.h>
26: #include <fcntl.h>
27: #include <limits.h>
1.32 schwarze 28: #include <stdint.h>
1.1 schwarze 29: #include <stdio.h>
30: #include <stdlib.h>
31: #include <string.h>
32: #include <unistd.h>
33:
1.47 schwarze 34: #include "mandoc_aux.h"
1.1 schwarze 35: #include "mandoc.h"
1.47 schwarze 36: #include "roff.h"
1.50 schwarze 37: #include "mdoc.h"
1.51 schwarze 38: #include "man.h"
1.100 schwarze 39: #include "mandoc_parse.h"
1.1 schwarze 40: #include "main.h"
1.44 schwarze 41: #include "manconf.h"
1.1 schwarze 42: #include "mansearch.h"
1.7 schwarze 43: #include "cgi.h"
1.1 schwarze 44:
45: /*
46: * A query as passed to the search function.
47: */
48: struct query {
1.23 schwarze 49: char *manpath; /* desired manual directory */
50: char *arch; /* architecture */
51: char *sec; /* manual section */
1.25 schwarze 52: char *query; /* unparsed query expression */
1.5 schwarze 53: int equal; /* match whole names, not substrings */
1.1 schwarze 54: };
55:
56: struct req {
57: struct query q;
58: char **p; /* array of available manpaths */
59: size_t psz; /* number of available manpaths */
1.60 schwarze 60: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 schwarze 61: };
62:
1.70 schwarze 63: enum focus {
64: FOCUS_NONE = 0,
65: FOCUS_QUERY
66: };
67:
1.1 schwarze 68: static void html_print(const char *);
69: static void html_putchar(char);
1.43 schwarze 70: static int http_decode(char *);
1.110 ! schwarze 71: static void http_encode(const char *);
1.68 schwarze 72: static void parse_manpath_conf(struct req *);
1.110 ! schwarze 73: static void parse_path_info(struct req *, const char *);
1.68 schwarze 74: static void parse_query_string(struct req *, const char *);
1.12 schwarze 75: static void pg_error_badrequest(const char *);
76: static void pg_error_internal(void);
77: static void pg_index(const struct req *);
1.106 schwarze 78: static void pg_noresult(const struct req *, int, const char *,
79: const char *);
1.87 schwarze 80: static void pg_redirect(const struct req *, const char *);
1.6 schwarze 81: static void pg_search(const struct req *);
1.12 schwarze 82: static void pg_searchres(const struct req *,
83: struct manpage *, size_t);
1.19 schwarze 84: static void pg_show(struct req *, const char *);
1.88 schwarze 85: static void resp_begin_html(int, const char *, const char *);
1.1 schwarze 86: static void resp_begin_http(int, const char *);
1.68 schwarze 87: static void resp_catman(const struct req *, const char *);
1.53 schwarze 88: static void resp_copy(const char *);
1.1 schwarze 89: static void resp_end_html(void);
1.68 schwarze 90: static void resp_format(const struct req *, const char *);
1.70 schwarze 91: static void resp_searchform(const struct req *, enum focus);
1.10 schwarze 92: static void resp_show(const struct req *, const char *);
1.25 schwarze 93: static void set_query_attr(char **, char **);
1.97 schwarze 94: static int validate_arch(const char *);
1.25 schwarze 95: static int validate_filename(const char *);
96: static int validate_manpath(const struct req *, const char *);
97: static int validate_urifrag(const char *);
1.1 schwarze 98:
1.58 schwarze 99: static const char *scriptname = SCRIPT_NAME;
1.1 schwarze 100:
1.10 schwarze 101: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.8 schwarze 102: static const char *const sec_numbers[] = {
103: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
104: };
105: static const char *const sec_names[] = {
106: "All Sections",
107: "1 - General Commands",
108: "2 - System Calls",
1.34 schwarze 109: "3 - Library Functions",
110: "3p - Perl Library",
111: "4 - Device Drivers",
1.8 schwarze 112: "5 - File Formats",
113: "6 - Games",
1.34 schwarze 114: "7 - Miscellaneous Information",
115: "8 - System Manager\'s Manual",
116: "9 - Kernel Developer\'s Manual"
1.8 schwarze 117: };
118: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
119:
120: static const char *const arch_names[] = {
1.85 deraadt 121: "amd64", "alpha", "armv7", "arm64",
1.76 schwarze 122: "hppa", "i386", "landisk",
1.64 schwarze 123: "loongson", "luna88k", "macppc", "mips64",
1.79 schwarze 124: "octeon", "sgi", "socppc", "sparc64",
1.76 schwarze 125: "amiga", "arc", "armish", "arm32",
126: "atari", "aviion", "beagle", "cats",
127: "hppa64", "hp300",
1.64 schwarze 128: "ia64", "mac68k", "mvme68k", "mvme88k",
129: "mvmeppc", "palm", "pc532", "pegasos",
1.78 schwarze 130: "pmax", "powerpc", "solbourne", "sparc",
1.79 schwarze 131: "sun3", "vax", "wgrisc", "x68k",
132: "zaurus"
1.8 schwarze 133: };
134: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
135:
1.1 schwarze 136: /*
137: * Print a character, escaping HTML along the way.
138: * This will pass non-ASCII straight to output: be warned!
139: */
140: static void
141: html_putchar(char c)
142: {
143:
144: switch (c) {
1.93 schwarze 145: case '"':
1.80 bentley 146: printf(""");
1.1 schwarze 147: break;
1.93 schwarze 148: case '&':
1.1 schwarze 149: printf("&");
150: break;
1.93 schwarze 151: case '>':
1.1 schwarze 152: printf(">");
153: break;
1.93 schwarze 154: case '<':
1.1 schwarze 155: printf("<");
156: break;
157: default:
158: putchar((unsigned char)c);
159: break;
160: }
161: }
162:
163: /*
164: * Call through to html_putchar().
165: * Accepts NULL strings.
166: */
167: static void
168: html_print(const char *p)
169: {
1.43 schwarze 170:
1.1 schwarze 171: if (NULL == p)
172: return;
173: while ('\0' != *p)
174: html_putchar(*p++);
175: }
176:
177: /*
1.23 schwarze 178: * Transfer the responsibility for the allocated string *val
179: * to the query structure.
1.1 schwarze 180: */
181: static void
1.23 schwarze 182: set_query_attr(char **attr, char **val)
1.1 schwarze 183: {
184:
1.23 schwarze 185: free(*attr);
186: if (**val == '\0') {
187: *attr = NULL;
188: free(*val);
189: } else
190: *attr = *val;
191: *val = NULL;
192: }
193:
194: /*
195: * Parse the QUERY_STRING for key-value pairs
196: * and store the values into the query structure.
197: */
198: static void
1.68 schwarze 199: parse_query_string(struct req *req, const char *qs)
1.23 schwarze 200: {
201: char *key, *val;
202: size_t keysz, valsz;
203:
1.60 schwarze 204: req->isquery = 1;
1.23 schwarze 205: req->q.manpath = NULL;
206: req->q.arch = NULL;
207: req->q.sec = NULL;
1.25 schwarze 208: req->q.query = NULL;
1.23 schwarze 209: req->q.equal = 1;
210:
211: key = val = NULL;
212: while (*qs != '\0') {
1.1 schwarze 213:
1.23 schwarze 214: /* Parse one key. */
215:
216: keysz = strcspn(qs, "=;&");
217: key = mandoc_strndup(qs, keysz);
218: qs += keysz;
219: if (*qs != '=')
220: goto next;
221:
222: /* Parse one value. */
223:
224: valsz = strcspn(++qs, ";&");
225: val = mandoc_strndup(qs, valsz);
226: qs += valsz;
227:
228: /* Decode and catch encoding errors. */
1.1 schwarze 229:
1.23 schwarze 230: if ( ! (http_decode(key) && http_decode(val)))
231: goto next;
1.1 schwarze 232:
1.23 schwarze 233: /* Handle key-value pairs. */
1.1 schwarze 234:
1.23 schwarze 235: if ( ! strcmp(key, "query"))
1.25 schwarze 236: set_query_attr(&req->q.query, &val);
1.1 schwarze 237:
1.23 schwarze 238: else if ( ! strcmp(key, "apropos"))
239: req->q.equal = !strcmp(val, "0");
240:
241: else if ( ! strcmp(key, "manpath")) {
1.13 schwarze 242: #ifdef COMPAT_OLDURI
1.23 schwarze 243: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.13 schwarze 244: val[7] = '-';
245: if ('C' == val[8])
246: val[8] = 'c';
247: }
248: #endif
1.23 schwarze 249: set_query_attr(&req->q.manpath, &val);
250: }
251:
252: else if ( ! (strcmp(key, "sec")
1.13 schwarze 253: #ifdef COMPAT_OLDURI
1.23 schwarze 254: && strcmp(key, "sektion")
1.13 schwarze 255: #endif
1.23 schwarze 256: )) {
257: if ( ! strcmp(val, "0"))
258: *val = '\0';
259: set_query_attr(&req->q.sec, &val);
1.5 schwarze 260: }
1.23 schwarze 261:
262: else if ( ! strcmp(key, "arch")) {
263: if ( ! strcmp(val, "default"))
264: *val = '\0';
265: set_query_attr(&req->q.arch, &val);
266: }
267:
268: /*
269: * The key must be freed in any case.
270: * The val may have been handed over to the query
271: * structure, in which case it is now NULL.
272: */
273: next:
274: free(key);
275: key = NULL;
276: free(val);
277: val = NULL;
278:
279: if (*qs != '\0')
280: qs++;
1.1 schwarze 281: }
282: }
283:
284: /*
285: * HTTP-decode a string. The standard explanation is that this turns
286: * "%4e+foo" into "n foo" in the regular way. This is done in-place
287: * over the allocated string.
288: */
289: static int
290: http_decode(char *p)
291: {
292: char hex[3];
1.3 tedu 293: char *q;
1.1 schwarze 294: int c;
295:
296: hex[2] = '\0';
297:
1.3 tedu 298: q = p;
299: for ( ; '\0' != *p; p++, q++) {
1.1 schwarze 300: if ('%' == *p) {
301: if ('\0' == (hex[0] = *(p + 1)))
1.48 schwarze 302: return 0;
1.1 schwarze 303: if ('\0' == (hex[1] = *(p + 2)))
1.48 schwarze 304: return 0;
1.1 schwarze 305: if (1 != sscanf(hex, "%x", &c))
1.48 schwarze 306: return 0;
1.1 schwarze 307: if ('\0' == c)
1.48 schwarze 308: return 0;
1.1 schwarze 309:
1.3 tedu 310: *q = (char)c;
311: p += 2;
1.1 schwarze 312: } else
1.3 tedu 313: *q = '+' == *p ? ' ' : *p;
1.1 schwarze 314: }
315:
1.3 tedu 316: *q = '\0';
1.48 schwarze 317: return 1;
1.1 schwarze 318: }
319:
320: static void
1.97 schwarze 321: http_encode(const char *p)
322: {
323: for (; *p != '\0'; p++) {
324: if (isalnum((unsigned char)*p) == 0 &&
325: strchr("-._~", *p) == NULL)
1.104 schwarze 326: printf("%%%2.2X", (unsigned char)*p);
1.97 schwarze 327: else
328: putchar(*p);
329: }
330: }
331:
332: static void
1.1 schwarze 333: resp_begin_http(int code, const char *msg)
334: {
335:
336: if (200 != code)
1.2 tedu 337: printf("Status: %d %s\r\n", code, msg);
1.1 schwarze 338:
1.2 tedu 339: printf("Content-Type: text/html; charset=utf-8\r\n"
340: "Cache-Control: no-cache\r\n"
1.107 bentley 341: "Content-Security-Policy: default-src 'none'; "
342: "style-src 'self' 'unsafe-inline'\r\n"
1.2 tedu 343: "Pragma: no-cache\r\n"
344: "\r\n");
1.1 schwarze 345:
346: fflush(stdout);
347: }
348:
349: static void
1.53 schwarze 350: resp_copy(const char *filename)
351: {
352: char buf[4096];
353: ssize_t sz;
354: int fd;
355:
356: if ((fd = open(filename, O_RDONLY)) != -1) {
357: fflush(stdout);
358: while ((sz = read(fd, buf, sizeof(buf))) > 0)
359: write(STDOUT_FILENO, buf, sz);
1.77 jsg 360: close(fd);
1.53 schwarze 361: }
362: }
363:
364: static void
1.88 schwarze 365: resp_begin_html(int code, const char *msg, const char *file)
1.1 schwarze 366: {
1.88 schwarze 367: char *cp;
1.1 schwarze 368:
369: resp_begin_http(code, msg);
370:
1.37 schwarze 371: printf("<!DOCTYPE html>\n"
1.65 schwarze 372: "<html>\n"
373: "<head>\n"
1.82 schwarze 374: " <meta charset=\"UTF-8\"/>\n"
1.95 schwarze 375: " <meta name=\"viewport\""
376: " content=\"width=device-width, initial-scale=1.0\">\n"
1.82 schwarze 377: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.65 schwarze 378: " type=\"text/css\" media=\"all\">\n"
1.88 schwarze 379: " <title>",
380: CSS_DIR);
381: if (file != NULL) {
382: if ((cp = strrchr(file, '/')) != NULL)
383: file = cp + 1;
384: if ((cp = strrchr(file, '.')) != NULL) {
385: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
386: } else
387: printf("%s - ", file);
388: }
389: printf("%s</title>\n"
1.65 schwarze 390: "</head>\n"
1.81 schwarze 391: "<body>\n",
1.88 schwarze 392: CUSTOMIZE_TITLE);
1.53 schwarze 393:
394: resp_copy(MAN_DIR "/header.html");
1.1 schwarze 395: }
396:
397: static void
398: resp_end_html(void)
399: {
400:
1.53 schwarze 401: resp_copy(MAN_DIR "/footer.html");
402:
1.65 schwarze 403: puts("</body>\n"
404: "</html>");
1.1 schwarze 405: }
406:
407: static void
1.70 schwarze 408: resp_searchform(const struct req *req, enum focus focus)
1.1 schwarze 409: {
410: int i;
411:
1.109 schwarze 412: printf("<form action=\"/%s\" method=\"get\" "
413: "autocomplete=\"off\" autocapitalize=\"none\">\n"
1.82 schwarze 414: " <fieldset>\n"
415: " <legend>Manual Page Search Parameters</legend>\n",
1.1 schwarze 416: scriptname);
1.8 schwarze 417:
418: /* Write query input box. */
419:
1.96 schwarze 420: printf(" <input type=\"search\" name=\"query\" value=\"");
1.70 schwarze 421: if (req->q.query != NULL)
1.25 schwarze 422: html_print(req->q.query);
1.70 schwarze 423: printf( "\" size=\"40\"");
424: if (focus == FOCUS_QUERY)
425: printf(" autofocus");
426: puts(">");
1.8 schwarze 427:
1.71 schwarze 428: /* Write submission buttons. */
1.8 schwarze 429:
1.82 schwarze 430: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.71 schwarze 431: "man</button>\n"
1.82 schwarze 432: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
433: "apropos</button>\n"
434: " <br/>\n");
1.8 schwarze 435:
436: /* Write section selector. */
437:
1.82 schwarze 438: puts(" <select name=\"sec\">");
1.8 schwarze 439: for (i = 0; i < sec_MAX; i++) {
1.82 schwarze 440: printf(" <option value=\"%s\"", sec_numbers[i]);
1.8 schwarze 441: if (NULL != req->q.sec &&
442: 0 == strcmp(sec_numbers[i], req->q.sec))
1.65 schwarze 443: printf(" selected=\"selected\"");
444: printf(">%s</option>\n", sec_names[i]);
1.8 schwarze 445: }
1.82 schwarze 446: puts(" </select>");
1.8 schwarze 447:
448: /* Write architecture selector. */
449:
1.82 schwarze 450: printf( " <select name=\"arch\">\n"
451: " <option value=\"default\"");
1.21 schwarze 452: if (NULL == req->q.arch)
1.65 schwarze 453: printf(" selected=\"selected\"");
454: puts(">All Architectures</option>");
1.8 schwarze 455: for (i = 0; i < arch_MAX; i++) {
1.96 schwarze 456: printf(" <option");
1.8 schwarze 457: if (NULL != req->q.arch &&
458: 0 == strcmp(arch_names[i], req->q.arch))
1.65 schwarze 459: printf(" selected=\"selected\"");
460: printf(">%s</option>\n", arch_names[i]);
1.8 schwarze 461: }
1.82 schwarze 462: puts(" </select>");
1.8 schwarze 463:
464: /* Write manpath selector. */
465:
1.1 schwarze 466: if (req->psz > 1) {
1.82 schwarze 467: puts(" <select name=\"manpath\">");
1.1 schwarze 468: for (i = 0; i < (int)req->psz; i++) {
1.96 schwarze 469: printf(" <option");
1.41 schwarze 470: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.96 schwarze 471: printf(" selected=\"selected\"");
472: printf(">");
1.1 schwarze 473: html_print(req->p[i]);
1.65 schwarze 474: puts("</option>");
1.1 schwarze 475: }
1.82 schwarze 476: puts(" </select>");
1.1 schwarze 477: }
1.8 schwarze 478:
1.82 schwarze 479: puts(" </fieldset>\n"
1.81 schwarze 480: "</form>");
1.1 schwarze 481: }
482:
1.16 schwarze 483: static int
1.20 schwarze 484: validate_urifrag(const char *frag)
485: {
486:
487: while ('\0' != *frag) {
488: if ( ! (isalnum((unsigned char)*frag) ||
489: '-' == *frag || '.' == *frag ||
490: '/' == *frag || '_' == *frag))
1.48 schwarze 491: return 0;
1.20 schwarze 492: frag++;
493: }
1.48 schwarze 494: return 1;
1.20 schwarze 495: }
496:
497: static int
1.17 schwarze 498: validate_manpath(const struct req *req, const char* manpath)
499: {
500: size_t i;
501:
502: for (i = 0; i < req->psz; i++)
503: if ( ! strcmp(manpath, req->p[i]))
1.48 schwarze 504: return 1;
1.17 schwarze 505:
1.48 schwarze 506: return 0;
1.17 schwarze 507: }
508:
509: static int
1.97 schwarze 510: validate_arch(const char *arch)
511: {
512: int i;
513:
514: for (i = 0; i < arch_MAX; i++)
515: if (strcmp(arch, arch_names[i]) == 0)
516: return 1;
517:
518: return 0;
519: }
520:
521: static int
1.16 schwarze 522: validate_filename(const char *file)
523: {
524:
525: if ('.' == file[0] && '/' == file[1])
526: file += 2;
527:
1.48 schwarze 528: return ! (strstr(file, "../") || strstr(file, "/..") ||
529: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.16 schwarze 530: }
531:
1.1 schwarze 532: static void
1.12 schwarze 533: pg_index(const struct req *req)
1.1 schwarze 534: {
535:
1.88 schwarze 536: resp_begin_html(200, NULL, NULL);
1.70 schwarze 537: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 538: printf("<p>\n"
1.26 schwarze 539: "This web interface is documented in the\n"
1.83 schwarze 540: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.26 schwarze 541: "manual, and the\n"
1.83 schwarze 542: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.9 schwarze 543: "manual explains the query syntax.\n"
1.65 schwarze 544: "</p>\n",
1.58 schwarze 545: scriptname, *scriptname == '\0' ? "" : "/",
546: scriptname, *scriptname == '\0' ? "" : "/");
1.1 schwarze 547: resp_end_html();
548: }
549:
550: static void
1.106 schwarze 551: pg_noresult(const struct req *req, int code, const char *http_msg,
552: const char *user_msg)
1.1 schwarze 553: {
1.106 schwarze 554: resp_begin_html(code, http_msg, NULL);
1.70 schwarze 555: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 556: puts("<p>");
1.106 schwarze 557: puts(user_msg);
1.65 schwarze 558: puts("</p>");
1.1 schwarze 559: resp_end_html();
560: }
561:
562: static void
1.12 schwarze 563: pg_error_badrequest(const char *msg)
1.1 schwarze 564: {
565:
1.88 schwarze 566: resp_begin_html(400, "Bad Request", NULL);
1.65 schwarze 567: puts("<h1>Bad Request</h1>\n"
568: "<p>\n");
1.1 schwarze 569: puts(msg);
570: printf("Try again from the\n"
1.65 schwarze 571: "<a href=\"/%s\">main page</a>.\n"
572: "</p>", scriptname);
1.1 schwarze 573: resp_end_html();
574: }
575:
576: static void
1.12 schwarze 577: pg_error_internal(void)
1.1 schwarze 578: {
1.88 schwarze 579: resp_begin_html(500, "Internal Server Error", NULL);
1.65 schwarze 580: puts("<p>Internal Server Error</p>");
1.1 schwarze 581: resp_end_html();
582: }
583:
584: static void
1.87 schwarze 585: pg_redirect(const struct req *req, const char *name)
586: {
1.91 schwarze 587: printf("Status: 303 See Other\r\n"
588: "Location: /");
1.87 schwarze 589: if (*scriptname != '\0')
590: printf("%s/", scriptname);
591: if (strcmp(req->q.manpath, req->p[0]))
592: printf("%s/", req->q.manpath);
593: if (req->q.arch != NULL)
594: printf("%s/", req->q.arch);
1.97 schwarze 595: http_encode(name);
596: if (req->q.sec != NULL) {
597: putchar('.');
598: http_encode(req->q.sec);
599: }
1.87 schwarze 600: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
601: }
602:
603: static void
1.12 schwarze 604: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 schwarze 605: {
1.21 schwarze 606: char *arch, *archend;
1.59 schwarze 607: const char *sec;
608: size_t i, iuse;
1.21 schwarze 609: int archprio, archpriouse;
1.10 schwarze 610: int prio, priouse;
1.1 schwarze 611:
1.16 schwarze 612: for (i = 0; i < sz; i++) {
613: if (validate_filename(r[i].file))
614: continue;
1.67 schwarze 615: warnx("invalid filename %s in %s database",
1.16 schwarze 616: r[i].file, req->q.manpath);
617: pg_error_internal();
618: return;
619: }
620:
1.60 schwarze 621: if (req->isquery && sz == 1) {
1.1 schwarze 622: /*
623: * If we have just one result, then jump there now
624: * without any delay.
625: */
1.91 schwarze 626: printf("Status: 303 See Other\r\n"
627: "Location: /");
628: if (*scriptname != '\0')
629: printf("%s/", scriptname);
630: if (strcmp(req->q.manpath, req->p[0]))
631: printf("%s/", req->q.manpath);
632: printf("%s\r\n"
633: "Content-Type: text/html; charset=utf-8\r\n\r\n",
634: r[0].file);
1.1 schwarze 635: return;
636: }
637:
1.10 schwarze 638: /*
639: * In man(1) mode, show one of the pages
640: * even if more than one is found.
641: */
642:
1.88 schwarze 643: iuse = 0;
1.62 schwarze 644: if (req->q.equal || sz == 1) {
1.59 schwarze 645: priouse = 20;
1.21 schwarze 646: archpriouse = 3;
1.10 schwarze 647: for (i = 0; i < sz; i++) {
1.59 schwarze 648: sec = r[i].file;
649: sec += strcspn(sec, "123456789");
650: if (sec[0] == '\0')
1.10 schwarze 651: continue;
1.59 schwarze 652: prio = sec_prios[sec[0] - '1'];
653: if (sec[1] != '/')
654: prio += 10;
655: if (req->q.arch == NULL) {
1.21 schwarze 656: archprio =
1.59 schwarze 657: ((arch = strchr(sec + 1, '/'))
658: == NULL) ? 3 :
659: ((archend = strchr(arch + 1, '/'))
660: == NULL) ? 0 :
1.21 schwarze 661: strncmp(arch, "amd64/",
662: archend - arch) ? 2 : 1;
663: if (archprio < archpriouse) {
664: archpriouse = archprio;
665: priouse = prio;
666: iuse = i;
667: continue;
668: }
669: if (archprio > archpriouse)
670: continue;
671: }
1.10 schwarze 672: if (prio >= priouse)
673: continue;
674: priouse = prio;
675: iuse = i;
676: }
1.88 schwarze 677: resp_begin_html(200, NULL, r[iuse].file);
678: } else
679: resp_begin_html(200, NULL, NULL);
680:
681: resp_searchform(req,
682: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
683:
684: if (sz > 1) {
685: puts("<table class=\"results\">");
686: for (i = 0; i < sz; i++) {
687: printf(" <tr>\n"
688: " <td>"
1.89 schwarze 689: "<a class=\"Xr\" href=\"/");
690: if (*scriptname != '\0')
691: printf("%s/", scriptname);
692: if (strcmp(req->q.manpath, req->p[0]))
693: printf("%s/", req->q.manpath);
694: printf("%s\">", r[i].file);
1.88 schwarze 695: html_print(r[i].names);
696: printf("</a></td>\n"
697: " <td><span class=\"Nd\">");
698: html_print(r[i].output);
699: puts("</span></td>\n"
700: " </tr>");
701: }
702: puts("</table>");
703: }
704:
705: if (req->q.equal || sz == 1) {
706: puts("<hr>");
1.10 schwarze 707: resp_show(req, r[iuse].file);
708: }
709:
1.1 schwarze 710: resp_end_html();
711: }
712:
713: static void
1.68 schwarze 714: resp_catman(const struct req *req, const char *file)
1.1 schwarze 715: {
716: FILE *f;
1.54 schwarze 717: char *p;
718: size_t sz;
719: ssize_t len;
1.1 schwarze 720: int i;
721: int italic, bold;
722:
1.54 schwarze 723: if ((f = fopen(file, "r")) == NULL) {
1.65 schwarze 724: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 725: return;
726: }
727:
1.65 schwarze 728: puts("<div class=\"catman\">\n"
729: "<pre>");
1.1 schwarze 730:
1.54 schwarze 731: p = NULL;
732: sz = 0;
733:
734: while ((len = getline(&p, &sz, f)) != -1) {
1.1 schwarze 735: bold = italic = 0;
1.54 schwarze 736: for (i = 0; i < len - 1; i++) {
1.43 schwarze 737: /*
1.1 schwarze 738: * This means that the catpage is out of state.
739: * Ignore it and keep going (although the
740: * catpage is bogus).
741: */
742:
743: if ('\b' == p[i] || '\n' == p[i])
744: continue;
745:
746: /*
747: * Print a regular character.
748: * Close out any bold/italic scopes.
749: * If we're in back-space mode, make sure we'll
750: * have something to enter when we backspace.
751: */
752:
753: if ('\b' != p[i + 1]) {
754: if (italic)
1.65 schwarze 755: printf("</i>");
1.1 schwarze 756: if (bold)
1.65 schwarze 757: printf("</b>");
1.1 schwarze 758: italic = bold = 0;
759: html_putchar(p[i]);
760: continue;
1.54 schwarze 761: } else if (i + 2 >= len)
1.1 schwarze 762: continue;
763:
764: /* Italic mode. */
765:
766: if ('_' == p[i]) {
767: if (bold)
1.65 schwarze 768: printf("</b>");
1.1 schwarze 769: if ( ! italic)
1.65 schwarze 770: printf("<i>");
1.1 schwarze 771: bold = 0;
772: italic = 1;
773: i += 2;
774: html_putchar(p[i]);
775: continue;
776: }
777:
1.43 schwarze 778: /*
1.1 schwarze 779: * Handle funny behaviour troff-isms.
780: * These grok'd from the original man2html.c.
781: */
782:
783: if (('+' == p[i] && 'o' == p[i + 2]) ||
784: ('o' == p[i] && '+' == p[i + 2]) ||
785: ('|' == p[i] && '=' == p[i + 2]) ||
786: ('=' == p[i] && '|' == p[i + 2]) ||
787: ('*' == p[i] && '=' == p[i + 2]) ||
788: ('=' == p[i] && '*' == p[i + 2]) ||
789: ('*' == p[i] && '|' == p[i + 2]) ||
790: ('|' == p[i] && '*' == p[i + 2])) {
791: if (italic)
1.65 schwarze 792: printf("</i>");
1.1 schwarze 793: if (bold)
1.65 schwarze 794: printf("</b>");
1.1 schwarze 795: italic = bold = 0;
796: putchar('*');
797: i += 2;
798: continue;
799: } else if (('|' == p[i] && '-' == p[i + 2]) ||
800: ('-' == p[i] && '|' == p[i + 1]) ||
801: ('+' == p[i] && '-' == p[i + 1]) ||
802: ('-' == p[i] && '+' == p[i + 1]) ||
803: ('+' == p[i] && '|' == p[i + 1]) ||
804: ('|' == p[i] && '+' == p[i + 1])) {
805: if (italic)
1.65 schwarze 806: printf("</i>");
1.1 schwarze 807: if (bold)
1.65 schwarze 808: printf("</b>");
1.1 schwarze 809: italic = bold = 0;
810: putchar('+');
811: i += 2;
812: continue;
813: }
814:
815: /* Bold mode. */
1.43 schwarze 816:
1.1 schwarze 817: if (italic)
1.65 schwarze 818: printf("</i>");
1.1 schwarze 819: if ( ! bold)
1.65 schwarze 820: printf("<b>");
1.1 schwarze 821: bold = 1;
822: italic = 0;
823: i += 2;
824: html_putchar(p[i]);
825: }
826:
1.43 schwarze 827: /*
1.1 schwarze 828: * Clean up the last character.
1.43 schwarze 829: * We can get to a newline; don't print that.
1.1 schwarze 830: */
831:
832: if (italic)
1.65 schwarze 833: printf("</i>");
1.1 schwarze 834: if (bold)
1.65 schwarze 835: printf("</b>");
1.1 schwarze 836:
1.54 schwarze 837: if (i == len - 1 && p[i] != '\n')
1.1 schwarze 838: html_putchar(p[i]);
839:
840: putchar('\n');
841: }
1.54 schwarze 842: free(p);
1.1 schwarze 843:
1.65 schwarze 844: puts("</pre>\n"
845: "</div>");
1.1 schwarze 846:
847: fclose(f);
848: }
849:
850: static void
1.68 schwarze 851: resp_format(const struct req *req, const char *file)
1.1 schwarze 852: {
1.45 schwarze 853: struct manoutput conf;
1.1 schwarze 854: struct mparse *mp;
1.102 schwarze 855: struct roff_meta *meta;
1.1 schwarze 856: void *vp;
1.30 schwarze 857: int fd;
858: int usepath;
1.1 schwarze 859:
860: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.65 schwarze 861: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 862: return;
863: }
864:
1.49 schwarze 865: mchars_alloc();
1.102 schwarze 866: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
867: MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
1.42 schwarze 868: mparse_readfd(mp, fd, file);
1.1 schwarze 869: close(fd);
1.102 schwarze 870: meta = mparse_result(mp);
1.1 schwarze 871:
1.45 schwarze 872: memset(&conf, 0, sizeof(conf));
873: conf.fragment = 1;
1.84 schwarze 874: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.30 schwarze 875: usepath = strcmp(req->q.manpath, req->p[0]);
1.90 schwarze 876: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
877: scriptname, *scriptname == '\0' ? "" : "/",
1.61 schwarze 878: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.1 schwarze 879:
1.49 schwarze 880: vp = html_alloc(&conf);
1.102 schwarze 881: if (meta->macroset == MACROSET_MDOC)
882: html_mdoc(vp, meta);
883: else
884: html_man(vp, meta);
1.1 schwarze 885:
886: html_free(vp);
887: mparse_free(mp);
1.49 schwarze 888: mchars_free();
1.45 schwarze 889: free(conf.man);
1.84 schwarze 890: free(conf.style);
1.1 schwarze 891: }
892:
893: static void
1.10 schwarze 894: resp_show(const struct req *req, const char *file)
895: {
1.16 schwarze 896:
897: if ('.' == file[0] && '/' == file[1])
1.11 schwarze 898: file += 2;
1.10 schwarze 899:
900: if ('c' == *file)
1.68 schwarze 901: resp_catman(req, file);
1.10 schwarze 902: else
1.68 schwarze 903: resp_format(req, file);
1.10 schwarze 904: }
905:
906: static void
1.24 schwarze 907: pg_show(struct req *req, const char *fullpath)
1.1 schwarze 908: {
1.24 schwarze 909: char *manpath;
910: const char *file;
1.1 schwarze 911:
1.24 schwarze 912: if ((file = strchr(fullpath, '/')) == NULL) {
1.12 schwarze 913: pg_error_badrequest(
1.1 schwarze 914: "You did not specify a page to show.");
915: return;
1.43 schwarze 916: }
1.24 schwarze 917: manpath = mandoc_strndup(fullpath, file - fullpath);
918: file++;
1.1 schwarze 919:
1.24 schwarze 920: if ( ! validate_manpath(req, manpath)) {
1.17 schwarze 921: pg_error_badrequest(
922: "You specified an invalid manpath.");
1.24 schwarze 923: free(manpath);
1.17 schwarze 924: return;
925: }
926:
1.1 schwarze 927: /*
928: * Begin by chdir()ing into the manpath.
929: * This way we can pick up the database files, which are
930: * relative to the manpath root.
931: */
932:
1.24 schwarze 933: if (chdir(manpath) == -1) {
1.67 schwarze 934: warn("chdir %s", manpath);
1.17 schwarze 935: pg_error_internal();
1.24 schwarze 936: free(manpath);
1.16 schwarze 937: return;
938: }
1.73 schwarze 939: free(manpath);
1.24 schwarze 940:
941: if ( ! validate_filename(file)) {
1.16 schwarze 942: pg_error_badrequest(
943: "You specified an invalid manual file.");
1.1 schwarze 944: return;
945: }
1.19 schwarze 946:
1.88 schwarze 947: resp_begin_html(200, NULL, file);
1.70 schwarze 948: resp_searchform(req, FOCUS_NONE);
1.24 schwarze 949: resp_show(req, file);
1.10 schwarze 950: resp_end_html();
1.1 schwarze 951: }
952:
953: static void
1.6 schwarze 954: pg_search(const struct req *req)
1.1 schwarze 955: {
956: struct mansearch search;
957: struct manpaths paths;
958: struct manpage *res;
1.36 schwarze 959: char **argv;
960: char *query, *rp, *wp;
1.1 schwarze 961: size_t ressz;
1.36 schwarze 962: int argc;
1.1 schwarze 963:
964: /*
965: * Begin by chdir()ing into the root of the manpath.
966: * This way we can pick up the database files, which are
967: * relative to the manpath root.
968: */
969:
1.67 schwarze 970: if (chdir(req->q.manpath) == -1) {
971: warn("chdir %s", req->q.manpath);
1.17 schwarze 972: pg_error_internal();
1.1 schwarze 973: return;
974: }
975:
976: search.arch = req->q.arch;
977: search.sec = req->q.sec;
1.35 schwarze 978: search.outkey = "Nd";
979: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.40 schwarze 980: search.firstmatch = 1;
1.1 schwarze 981:
982: paths.sz = 1;
983: paths.paths = mandoc_malloc(sizeof(char *));
984: paths.paths[0] = mandoc_strdup(".");
985:
986: /*
1.36 schwarze 987: * Break apart at spaces with backslash-escaping.
1.1 schwarze 988: */
989:
1.36 schwarze 990: argc = 0;
991: argv = NULL;
992: rp = query = mandoc_strdup(req->q.query);
993: for (;;) {
994: while (isspace((unsigned char)*rp))
995: rp++;
996: if (*rp == '\0')
997: break;
998: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
999: argv[argc++] = wp = rp;
1000: for (;;) {
1001: if (isspace((unsigned char)*rp)) {
1002: *wp = '\0';
1003: rp++;
1004: break;
1005: }
1006: if (rp[0] == '\\' && rp[1] != '\0')
1007: rp++;
1008: if (wp != rp)
1009: *wp = *rp;
1010: if (*rp == '\0')
1011: break;
1012: wp++;
1013: rp++;
1014: }
1.1 schwarze 1015: }
1016:
1.87 schwarze 1017: res = NULL;
1018: ressz = 0;
1019: if (req->isquery && req->q.equal && argc == 1)
1020: pg_redirect(req, argv[0]);
1021: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.106 schwarze 1022: pg_noresult(req, 400, "Bad Request",
1023: "You entered an invalid query.");
1.87 schwarze 1024: else if (ressz == 0)
1.106 schwarze 1025: pg_noresult(req, 404, "Not Found", "No results found.");
1.1 schwarze 1026: else
1.12 schwarze 1027: pg_searchres(req, res, ressz);
1.1 schwarze 1028:
1.36 schwarze 1029: free(query);
1030: mansearch_free(res, ressz);
1.1 schwarze 1031: free(paths.paths[0]);
1032: free(paths.paths);
1033: }
1034:
1035: int
1036: main(void)
1037: {
1.6 schwarze 1038: struct req req;
1.33 schwarze 1039: struct itimerval itimer;
1.6 schwarze 1040: const char *path;
1.23 schwarze 1041: const char *querystring;
1.1 schwarze 1042: int i;
1.86 schwarze 1043:
1044: /*
1045: * The "rpath" pledge could be revoked after mparse_readfd()
1046: * if the file desciptor to "/footer.html" would be opened
1047: * up front, but it's probably not worth the complication
1048: * of the code it would cause: it would require scattering
1049: * pledge() calls in multiple low-level resp_*() functions.
1050: */
1051:
1052: if (pledge("stdio rpath", NULL) == -1) {
1053: warn("pledge");
1054: pg_error_internal();
1055: return EXIT_FAILURE;
1056: }
1.33 schwarze 1057:
1058: /* Poor man's ReDoS mitigation. */
1059:
1.38 schwarze 1060: itimer.it_value.tv_sec = 2;
1.33 schwarze 1061: itimer.it_value.tv_usec = 0;
1.38 schwarze 1062: itimer.it_interval.tv_sec = 2;
1.33 schwarze 1063: itimer.it_interval.tv_usec = 0;
1064: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.67 schwarze 1065: warn("setitimer");
1.20 schwarze 1066: pg_error_internal();
1.48 schwarze 1067: return EXIT_FAILURE;
1.20 schwarze 1068: }
1069:
1.1 schwarze 1070: /*
1.7 schwarze 1071: * First we change directory into the MAN_DIR so that
1.1 schwarze 1072: * subsequent scanning for manpath directories is rooted
1073: * relative to the same position.
1074: */
1075:
1.67 schwarze 1076: if (chdir(MAN_DIR) == -1) {
1077: warn("MAN_DIR: %s", MAN_DIR);
1.12 schwarze 1078: pg_error_internal();
1.48 schwarze 1079: return EXIT_FAILURE;
1.43 schwarze 1080: }
1.1 schwarze 1081:
1082: memset(&req, 0, sizeof(struct req));
1.57 schwarze 1083: req.q.equal = 1;
1.68 schwarze 1084: parse_manpath_conf(&req);
1.1 schwarze 1085:
1.56 schwarze 1086: /* Parse the path info and the query string. */
1.1 schwarze 1087:
1.56 schwarze 1088: if ((path = getenv("PATH_INFO")) == NULL)
1089: path = "";
1090: else if (*path == '/')
1091: path++;
1092:
1.63 schwarze 1093: if (*path != '\0') {
1.68 schwarze 1094: parse_path_info(&req, path);
1.92 schwarze 1095: if (req.q.manpath == NULL || req.q.sec == NULL ||
1096: *req.q.query == '\0' || access(path, F_OK) == -1)
1.63 schwarze 1097: path = "";
1.56 schwarze 1098: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.68 schwarze 1099: parse_query_string(&req, querystring);
1.17 schwarze 1100:
1.56 schwarze 1101: /* Validate parsed data and add defaults. */
1102:
1.41 schwarze 1103: if (req.q.manpath == NULL)
1104: req.q.manpath = mandoc_strdup(req.p[0]);
1105: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.17 schwarze 1106: pg_error_badrequest(
1107: "You specified an invalid manpath.");
1.48 schwarze 1108: return EXIT_FAILURE;
1.17 schwarze 1109: }
1.1 schwarze 1110:
1.97 schwarze 1111: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.20 schwarze 1112: pg_error_badrequest(
1113: "You specified an invalid architecture.");
1.48 schwarze 1114: return EXIT_FAILURE;
1.20 schwarze 1115: }
1116:
1.6 schwarze 1117: /* Dispatch to the three different pages. */
1.1 schwarze 1118:
1.6 schwarze 1119: if ('\0' != *path)
1120: pg_show(&req, path);
1.25 schwarze 1121: else if (NULL != req.q.query)
1.6 schwarze 1122: pg_search(&req);
1123: else
1.12 schwarze 1124: pg_index(&req);
1.1 schwarze 1125:
1.23 schwarze 1126: free(req.q.manpath);
1127: free(req.q.arch);
1128: free(req.q.sec);
1.25 schwarze 1129: free(req.q.query);
1.1 schwarze 1130: for (i = 0; i < (int)req.psz; i++)
1131: free(req.p[i]);
1132: free(req.p);
1.48 schwarze 1133: return EXIT_SUCCESS;
1.56 schwarze 1134: }
1135:
1136: /*
1.99 schwarze 1137: * Translate PATH_INFO to a query.
1.56 schwarze 1138: */
1139: static void
1.68 schwarze 1140: parse_path_info(struct req *req, const char *path)
1.56 schwarze 1141: {
1.99 schwarze 1142: const char *name, *sec, *end;
1.56 schwarze 1143:
1.60 schwarze 1144: req->isquery = 0;
1.56 schwarze 1145: req->q.equal = 1;
1.99 schwarze 1146: req->q.manpath = NULL;
1.74 schwarze 1147: req->q.arch = NULL;
1.56 schwarze 1148:
1149: /* Mandatory manual page name. */
1.99 schwarze 1150: if ((name = strrchr(path, '/')) == NULL)
1151: name = path;
1152: else
1153: name++;
1.56 schwarze 1154:
1155: /* Optional trailing section. */
1.99 schwarze 1156: sec = strrchr(name, '.');
1157: if (sec != NULL && isdigit((unsigned char)*++sec)) {
1158: req->q.query = mandoc_strndup(name, sec - name - 1);
1159: req->q.sec = mandoc_strdup(sec);
1160: } else {
1161: req->q.query = mandoc_strdup(name);
1162: req->q.sec = NULL;
1.56 schwarze 1163: }
1164:
1165: /* Handle the case of name[.section] only. */
1.99 schwarze 1166: if (name == path)
1.56 schwarze 1167: return;
1168:
1.74 schwarze 1169: /* Optional manpath. */
1.99 schwarze 1170: end = strchr(path, '/');
1171: req->q.manpath = mandoc_strndup(path, end - path);
1172: if (validate_manpath(req, req->q.manpath)) {
1173: path = end + 1;
1174: if (name == path)
1175: return;
1176: } else {
1177: free(req->q.manpath);
1.74 schwarze 1178: req->q.manpath = NULL;
1.99 schwarze 1179: }
1.56 schwarze 1180:
1.74 schwarze 1181: /* Optional section. */
1.103 schwarze 1182: if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
1.99 schwarze 1183: path += 3;
1184: end = strchr(path, '/');
1.66 schwarze 1185: free(req->q.sec);
1.99 schwarze 1186: req->q.sec = mandoc_strndup(path, end - path);
1187: path = end + 1;
1188: if (name == path)
1189: return;
1.56 schwarze 1190: }
1.99 schwarze 1191:
1192: /* Optional architecture. */
1193: end = strchr(path, '/');
1194: if (end + 1 != name) {
1195: pg_error_badrequest(
1196: "You specified too many directory components.");
1197: exit(EXIT_FAILURE);
1.74 schwarze 1198: }
1.99 schwarze 1199: req->q.arch = mandoc_strndup(path, end - path);
1200: if (validate_arch(req->q.arch) == 0) {
1.74 schwarze 1201: pg_error_badrequest(
1202: "You specified an invalid directory component.");
1203: exit(EXIT_FAILURE);
1204: }
1.1 schwarze 1205: }
1206:
1207: /*
1208: * Scan for indexable paths.
1209: */
1210: static void
1.68 schwarze 1211: parse_manpath_conf(struct req *req)
1.1 schwarze 1212: {
1213: FILE *fp;
1214: char *dp;
1215: size_t dpsz;
1.54 schwarze 1216: ssize_t len;
1.1 schwarze 1217:
1.67 schwarze 1218: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1219: warn("%s/manpath.conf", MAN_DIR);
1.14 schwarze 1220: pg_error_internal();
1221: exit(EXIT_FAILURE);
1222: }
1.1 schwarze 1223:
1.54 schwarze 1224: dp = NULL;
1225: dpsz = 0;
1226:
1227: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1228: if (dp[len - 1] == '\n')
1229: dp[--len] = '\0';
1.1 schwarze 1230: req->p = mandoc_realloc(req->p,
1231: (req->psz + 1) * sizeof(char *));
1.20 schwarze 1232: if ( ! validate_urifrag(dp)) {
1.67 schwarze 1233: warnx("%s/manpath.conf contains "
1234: "unsafe path \"%s\"", MAN_DIR, dp);
1.20 schwarze 1235: pg_error_internal();
1236: exit(EXIT_FAILURE);
1237: }
1.67 schwarze 1238: if (strchr(dp, '/') != NULL) {
1239: warnx("%s/manpath.conf contains "
1240: "path with slash \"%s\"", MAN_DIR, dp);
1.20 schwarze 1241: pg_error_internal();
1242: exit(EXIT_FAILURE);
1243: }
1244: req->p[req->psz++] = dp;
1.54 schwarze 1245: dp = NULL;
1246: dpsz = 0;
1.14 schwarze 1247: }
1.54 schwarze 1248: free(dp);
1.14 schwarze 1249:
1.67 schwarze 1250: if (req->p == NULL) {
1251: warnx("%s/manpath.conf is empty", MAN_DIR);
1.14 schwarze 1252: pg_error_internal();
1253: exit(EXIT_FAILURE);
1.1 schwarze 1254: }
1255: }
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