Annotation of mandoc/cgi.c, Revision 1.173
1.173 ! schwarze 1: /* $Id: cgi.c,v 1.172 2020/04/03 11:35:01 schwarze Exp $ */
1.6 kristaps 2: /*
1.172 schwarze 3: * Copyright (c) 2014-2019 Ingo Schwarze <schwarze@usta.de>
1.42 kristaps 4: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
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.
1.172 schwarze 17: *
18: * Implementation of the man.cgi(8) program.
1.6 kristaps 19: */
20: #include "config.h"
1.93 schwarze 21:
22: #include <sys/types.h>
1.95 schwarze 23: #include <sys/time.h>
1.6 kristaps 24:
25: #include <ctype.h>
1.147 schwarze 26: #if HAVE_ERR
1.128 schwarze 27: #include <err.h>
1.147 schwarze 28: #endif
1.58 schwarze 29: #include <errno.h>
1.1 kristaps 30: #include <fcntl.h>
1.6 kristaps 31: #include <limits.h>
1.92 schwarze 32: #include <stdint.h>
1.1 kristaps 33: #include <stdio.h>
34: #include <stdlib.h>
35: #include <string.h>
1.6 kristaps 36: #include <unistd.h>
1.1 kristaps 37:
1.108 schwarze 38: #include "mandoc_aux.h"
1.4 schwarze 39: #include "mandoc.h"
1.108 schwarze 40: #include "roff.h"
1.111 schwarze 41: #include "mdoc.h"
1.112 schwarze 42: #include "man.h"
1.162 schwarze 43: #include "mandoc_parse.h"
1.8 kristaps 44: #include "main.h"
1.105 schwarze 45: #include "manconf.h"
1.52 schwarze 46: #include "mansearch.h"
1.67 schwarze 47: #include "cgi.h"
1.1 kristaps 48:
1.20 kristaps 49: /*
50: * A query as passed to the search function.
51: */
52: struct query {
1.83 schwarze 53: char *manpath; /* desired manual directory */
54: char *arch; /* architecture */
55: char *sec; /* manual section */
1.85 schwarze 56: char *query; /* unparsed query expression */
1.65 schwarze 57: int equal; /* match whole names, not substrings */
1.20 kristaps 58: };
59:
1.1 kristaps 60: struct req {
1.58 schwarze 61: struct query q;
62: char **p; /* array of available manpaths */
63: size_t psz; /* number of available manpaths */
1.121 schwarze 64: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 kristaps 65: };
66:
1.131 schwarze 67: enum focus {
68: FOCUS_NONE = 0,
69: FOCUS_QUERY
70: };
71:
1.6 kristaps 72: static void html_print(const char *);
1.10 kristaps 73: static void html_putchar(char);
1.104 schwarze 74: static int http_decode(char *);
1.172 schwarze 75: static void http_encode(const char *);
1.129 schwarze 76: static void parse_manpath_conf(struct req *);
1.172 schwarze 77: static void parse_path_info(struct req *, const char *);
1.129 schwarze 78: static void parse_query_string(struct req *, const char *);
1.72 schwarze 79: static void pg_error_badrequest(const char *);
80: static void pg_error_internal(void);
81: static void pg_index(const struct req *);
1.168 schwarze 82: static void pg_noresult(const struct req *, int, const char *,
83: const char *);
1.149 schwarze 84: static void pg_redirect(const struct req *, const char *);
1.66 schwarze 85: static void pg_search(const struct req *);
1.72 schwarze 86: static void pg_searchres(const struct req *,
87: struct manpage *, size_t);
1.79 schwarze 88: static void pg_show(struct req *, const char *);
1.150 schwarze 89: static void resp_begin_html(int, const char *, const char *);
1.6 kristaps 90: static void resp_begin_http(int, const char *);
1.129 schwarze 91: static void resp_catman(const struct req *, const char *);
1.114 schwarze 92: static void resp_copy(const char *);
1.6 kristaps 93: static void resp_end_html(void);
1.129 schwarze 94: static void resp_format(const struct req *, const char *);
1.131 schwarze 95: static void resp_searchform(const struct req *, enum focus);
1.70 schwarze 96: static void resp_show(const struct req *, const char *);
1.85 schwarze 97: static void set_query_attr(char **, char **);
1.159 schwarze 98: static int validate_arch(const char *);
1.85 schwarze 99: static int validate_filename(const char *);
100: static int validate_manpath(const struct req *, const char *);
101: static int validate_urifrag(const char *);
1.6 kristaps 102:
1.119 schwarze 103: static const char *scriptname = SCRIPT_NAME;
1.1 kristaps 104:
1.70 schwarze 105: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.68 schwarze 106: static const char *const sec_numbers[] = {
107: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
108: };
109: static const char *const sec_names[] = {
110: "All Sections",
111: "1 - General Commands",
112: "2 - System Calls",
1.96 schwarze 113: "3 - Library Functions",
114: "3p - Perl Library",
115: "4 - Device Drivers",
1.68 schwarze 116: "5 - File Formats",
117: "6 - Games",
1.96 schwarze 118: "7 - Miscellaneous Information",
119: "8 - System Manager\'s Manual",
120: "9 - Kernel Developer\'s Manual"
1.68 schwarze 121: };
122: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
123:
124: static const char *const arch_names[] = {
1.173 ! schwarze 125: "amd64", "alpha", "armv7", "arm64",
! 126: "hppa", "i386", "landisk", "loongson",
! 127: "luna88k", "macppc", "mips64", "octeon",
! 128: "powerpc64", "sgi", "socppc", "sparc64",
! 129:
1.137 schwarze 130: "amiga", "arc", "armish", "arm32",
131: "atari", "aviion", "beagle", "cats",
132: "hppa64", "hp300",
1.125 schwarze 133: "ia64", "mac68k", "mvme68k", "mvme88k",
134: "mvmeppc", "palm", "pc532", "pegasos",
1.139 schwarze 135: "pmax", "powerpc", "solbourne", "sparc",
1.140 schwarze 136: "sun3", "vax", "wgrisc", "x68k",
137: "zaurus"
1.68 schwarze 138: };
139: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
140:
1.6 kristaps 141: /*
1.20 kristaps 142: * Print a character, escaping HTML along the way.
143: * This will pass non-ASCII straight to output: be warned!
144: */
1.10 kristaps 145: static void
146: html_putchar(char c)
147: {
148:
149: switch (c) {
1.155 schwarze 150: case '"':
1.141 schwarze 151: printf(""");
1.10 kristaps 152: break;
1.155 schwarze 153: case '&':
1.10 kristaps 154: printf("&");
155: break;
1.155 schwarze 156: case '>':
1.10 kristaps 157: printf(">");
158: break;
1.155 schwarze 159: case '<':
1.10 kristaps 160: printf("<");
161: break;
162: default:
163: putchar((unsigned char)c);
164: break;
165: }
166: }
1.57 schwarze 167:
1.6 kristaps 168: /*
1.20 kristaps 169: * Call through to html_putchar().
170: * Accepts NULL strings.
1.6 kristaps 171: */
1.1 kristaps 172: static void
1.6 kristaps 173: html_print(const char *p)
1.1 kristaps 174: {
1.104 schwarze 175:
1.6 kristaps 176: if (NULL == p)
177: return;
1.1 kristaps 178: while ('\0' != *p)
1.10 kristaps 179: html_putchar(*p++);
1.1 kristaps 180: }
181:
182: /*
1.83 schwarze 183: * Transfer the responsibility for the allocated string *val
184: * to the query structure.
1.1 kristaps 185: */
186: static void
1.83 schwarze 187: set_query_attr(char **attr, char **val)
1.1 kristaps 188: {
189:
1.83 schwarze 190: free(*attr);
191: if (**val == '\0') {
192: *attr = NULL;
193: free(*val);
194: } else
195: *attr = *val;
196: *val = NULL;
197: }
198:
199: /*
200: * Parse the QUERY_STRING for key-value pairs
201: * and store the values into the query structure.
202: */
203: static void
1.129 schwarze 204: parse_query_string(struct req *req, const char *qs)
1.83 schwarze 205: {
206: char *key, *val;
207: size_t keysz, valsz;
208:
1.121 schwarze 209: req->isquery = 1;
1.83 schwarze 210: req->q.manpath = NULL;
211: req->q.arch = NULL;
212: req->q.sec = NULL;
1.85 schwarze 213: req->q.query = NULL;
1.83 schwarze 214: req->q.equal = 1;
215:
216: key = val = NULL;
217: while (*qs != '\0') {
1.24 kristaps 218:
1.83 schwarze 219: /* Parse one key. */
220:
221: keysz = strcspn(qs, "=;&");
222: key = mandoc_strndup(qs, keysz);
223: qs += keysz;
224: if (*qs != '=')
225: goto next;
226:
227: /* Parse one value. */
228:
229: valsz = strcspn(++qs, ";&");
230: val = mandoc_strndup(qs, valsz);
231: qs += valsz;
232:
233: /* Decode and catch encoding errors. */
1.1 kristaps 234:
1.83 schwarze 235: if ( ! (http_decode(key) && http_decode(val)))
236: goto next;
1.1 kristaps 237:
1.83 schwarze 238: /* Handle key-value pairs. */
1.1 kristaps 239:
1.83 schwarze 240: if ( ! strcmp(key, "query"))
1.85 schwarze 241: set_query_attr(&req->q.query, &val);
1.1 kristaps 242:
1.83 schwarze 243: else if ( ! strcmp(key, "apropos"))
244: req->q.equal = !strcmp(val, "0");
245:
246: else if ( ! strcmp(key, "manpath")) {
1.73 schwarze 247: #ifdef COMPAT_OLDURI
1.83 schwarze 248: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.73 schwarze 249: val[7] = '-';
250: if ('C' == val[8])
251: val[8] = 'c';
252: }
253: #endif
1.83 schwarze 254: set_query_attr(&req->q.manpath, &val);
255: }
256:
257: else if ( ! (strcmp(key, "sec")
1.73 schwarze 258: #ifdef COMPAT_OLDURI
1.83 schwarze 259: && strcmp(key, "sektion")
1.73 schwarze 260: #endif
1.83 schwarze 261: )) {
262: if ( ! strcmp(val, "0"))
263: *val = '\0';
264: set_query_attr(&req->q.sec, &val);
1.65 schwarze 265: }
1.83 schwarze 266:
267: else if ( ! strcmp(key, "arch")) {
268: if ( ! strcmp(val, "default"))
269: *val = '\0';
270: set_query_attr(&req->q.arch, &val);
271: }
272:
273: /*
274: * The key must be freed in any case.
275: * The val may have been handed over to the query
276: * structure, in which case it is now NULL.
277: */
278: next:
279: free(key);
280: key = NULL;
281: free(val);
282: val = NULL;
283:
284: if (*qs != '\0')
285: qs++;
1.24 kristaps 286: }
1.1 kristaps 287: }
288:
289: /*
1.6 kristaps 290: * HTTP-decode a string. The standard explanation is that this turns
291: * "%4e+foo" into "n foo" in the regular way. This is done in-place
292: * over the allocated string.
1.1 kristaps 293: */
294: static int
1.24 kristaps 295: http_decode(char *p)
1.1 kristaps 296: {
297: char hex[3];
1.63 schwarze 298: char *q;
1.1 kristaps 299: int c;
300:
301: hex[2] = '\0';
302:
1.63 schwarze 303: q = p;
304: for ( ; '\0' != *p; p++, q++) {
1.1 kristaps 305: if ('%' == *p) {
306: if ('\0' == (hex[0] = *(p + 1)))
1.109 schwarze 307: return 0;
1.1 kristaps 308: if ('\0' == (hex[1] = *(p + 2)))
1.109 schwarze 309: return 0;
1.1 kristaps 310: if (1 != sscanf(hex, "%x", &c))
1.109 schwarze 311: return 0;
1.1 kristaps 312: if ('\0' == c)
1.109 schwarze 313: return 0;
1.1 kristaps 314:
1.63 schwarze 315: *q = (char)c;
316: p += 2;
1.1 kristaps 317: } else
1.63 schwarze 318: *q = '+' == *p ? ' ' : *p;
1.1 kristaps 319: }
320:
1.63 schwarze 321: *q = '\0';
1.109 schwarze 322: return 1;
1.1 kristaps 323: }
324:
1.6 kristaps 325: static void
1.159 schwarze 326: http_encode(const char *p)
327: {
328: for (; *p != '\0'; p++) {
329: if (isalnum((unsigned char)*p) == 0 &&
330: strchr("-._~", *p) == NULL)
1.166 schwarze 331: printf("%%%2.2X", (unsigned char)*p);
1.159 schwarze 332: else
333: putchar(*p);
334: }
335: }
336:
337: static void
1.6 kristaps 338: resp_begin_http(int code, const char *msg)
339: {
340:
341: if (200 != code)
1.62 schwarze 342: printf("Status: %d %s\r\n", code, msg);
1.6 kristaps 343:
1.62 schwarze 344: printf("Content-Type: text/html; charset=utf-8\r\n"
345: "Cache-Control: no-cache\r\n"
1.169 schwarze 346: "Content-Security-Policy: default-src 'none'; "
347: "style-src 'self' 'unsafe-inline'\r\n"
1.62 schwarze 348: "Pragma: no-cache\r\n"
349: "\r\n");
1.6 kristaps 350:
351: fflush(stdout);
352: }
353:
354: static void
1.114 schwarze 355: resp_copy(const char *filename)
356: {
357: char buf[4096];
358: ssize_t sz;
359: int fd;
360:
361: if ((fd = open(filename, O_RDONLY)) != -1) {
362: fflush(stdout);
363: while ((sz = read(fd, buf, sizeof(buf))) > 0)
364: write(STDOUT_FILENO, buf, sz);
1.138 schwarze 365: close(fd);
1.114 schwarze 366: }
367: }
368:
369: static void
1.150 schwarze 370: resp_begin_html(int code, const char *msg, const char *file)
1.6 kristaps 371: {
1.150 schwarze 372: char *cp;
1.6 kristaps 373:
374: resp_begin_http(code, msg);
375:
1.98 kristaps 376: printf("<!DOCTYPE html>\n"
1.126 schwarze 377: "<html>\n"
378: "<head>\n"
1.143 schwarze 379: " <meta charset=\"UTF-8\"/>\n"
1.157 schwarze 380: " <meta name=\"viewport\""
381: " content=\"width=device-width, initial-scale=1.0\">\n"
1.143 schwarze 382: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 383: " type=\"text/css\" media=\"all\">\n"
1.150 schwarze 384: " <title>",
385: CSS_DIR);
386: if (file != NULL) {
387: if ((cp = strrchr(file, '/')) != NULL)
388: file = cp + 1;
389: if ((cp = strrchr(file, '.')) != NULL) {
390: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
391: } else
392: printf("%s - ", file);
393: }
394: printf("%s</title>\n"
1.126 schwarze 395: "</head>\n"
1.142 schwarze 396: "<body>\n",
1.150 schwarze 397: CUSTOMIZE_TITLE);
1.114 schwarze 398:
399: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 400: }
401:
402: static void
403: resp_end_html(void)
404: {
405:
1.114 schwarze 406: resp_copy(MAN_DIR "/footer.html");
407:
1.126 schwarze 408: puts("</body>\n"
409: "</html>");
1.6 kristaps 410: }
411:
412: static void
1.131 schwarze 413: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 414: {
1.27 kristaps 415: int i;
1.13 kristaps 416:
1.171 schwarze 417: printf("<form action=\"/%s\" method=\"get\" "
418: "autocomplete=\"off\" autocapitalize=\"none\">\n"
1.143 schwarze 419: " <fieldset>\n"
420: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 421: scriptname);
1.68 schwarze 422:
423: /* Write query input box. */
424:
1.158 schwarze 425: printf(" <input type=\"search\" name=\"query\" value=\"");
1.131 schwarze 426: if (req->q.query != NULL)
1.85 schwarze 427: html_print(req->q.query);
1.131 schwarze 428: printf( "\" size=\"40\"");
429: if (focus == FOCUS_QUERY)
430: printf(" autofocus");
431: puts(">");
1.68 schwarze 432:
1.132 schwarze 433: /* Write submission buttons. */
1.68 schwarze 434:
1.143 schwarze 435: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 436: "man</button>\n"
1.143 schwarze 437: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
438: "apropos</button>\n"
439: " <br/>\n");
1.68 schwarze 440:
441: /* Write section selector. */
442:
1.143 schwarze 443: puts(" <select name=\"sec\">");
1.68 schwarze 444: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 445: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 446: if (NULL != req->q.sec &&
447: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 448: printf(" selected=\"selected\"");
449: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 450: }
1.143 schwarze 451: puts(" </select>");
1.68 schwarze 452:
453: /* Write architecture selector. */
454:
1.143 schwarze 455: printf( " <select name=\"arch\">\n"
456: " <option value=\"default\"");
1.81 schwarze 457: if (NULL == req->q.arch)
1.126 schwarze 458: printf(" selected=\"selected\"");
459: puts(">All Architectures</option>");
1.68 schwarze 460: for (i = 0; i < arch_MAX; i++) {
1.158 schwarze 461: printf(" <option");
1.68 schwarze 462: if (NULL != req->q.arch &&
463: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 464: printf(" selected=\"selected\"");
465: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 466: }
1.143 schwarze 467: puts(" </select>");
1.68 schwarze 468:
469: /* Write manpath selector. */
470:
1.27 kristaps 471: if (req->psz > 1) {
1.143 schwarze 472: puts(" <select name=\"manpath\">");
1.27 kristaps 473: for (i = 0; i < (int)req->psz; i++) {
1.158 schwarze 474: printf(" <option");
1.102 schwarze 475: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.158 schwarze 476: printf(" selected=\"selected\"");
477: printf(">");
1.52 schwarze 478: html_print(req->p[i]);
1.126 schwarze 479: puts("</option>");
1.27 kristaps 480: }
1.143 schwarze 481: puts(" </select>");
1.27 kristaps 482: }
1.68 schwarze 483:
1.143 schwarze 484: puts(" </fieldset>\n"
1.142 schwarze 485: "</form>");
1.6 kristaps 486: }
487:
1.76 schwarze 488: static int
1.80 schwarze 489: validate_urifrag(const char *frag)
490: {
491:
492: while ('\0' != *frag) {
493: if ( ! (isalnum((unsigned char)*frag) ||
494: '-' == *frag || '.' == *frag ||
495: '/' == *frag || '_' == *frag))
1.109 schwarze 496: return 0;
1.80 schwarze 497: frag++;
498: }
1.109 schwarze 499: return 1;
1.80 schwarze 500: }
501:
502: static int
1.77 schwarze 503: validate_manpath(const struct req *req, const char* manpath)
504: {
505: size_t i;
506:
507: for (i = 0; i < req->psz; i++)
508: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 509: return 1;
1.77 schwarze 510:
1.109 schwarze 511: return 0;
1.77 schwarze 512: }
513:
514: static int
1.159 schwarze 515: validate_arch(const char *arch)
516: {
517: int i;
518:
519: for (i = 0; i < arch_MAX; i++)
520: if (strcmp(arch, arch_names[i]) == 0)
521: return 1;
522:
523: return 0;
524: }
525:
526: static int
1.76 schwarze 527: validate_filename(const char *file)
528: {
529:
530: if ('.' == file[0] && '/' == file[1])
531: file += 2;
532:
1.109 schwarze 533: return ! (strstr(file, "../") || strstr(file, "/..") ||
534: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 535: }
536:
1.6 kristaps 537: static void
1.72 schwarze 538: pg_index(const struct req *req)
1.6 kristaps 539: {
540:
1.150 schwarze 541: resp_begin_html(200, NULL, NULL);
1.131 schwarze 542: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 543: printf("<p>\n"
1.86 schwarze 544: "This web interface is documented in the\n"
1.144 schwarze 545: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 546: "manual, and the\n"
1.144 schwarze 547: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 548: "manual explains the query syntax.\n"
1.126 schwarze 549: "</p>\n",
1.119 schwarze 550: scriptname, *scriptname == '\0' ? "" : "/",
551: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 552: resp_end_html();
553: }
554:
555: static void
1.168 schwarze 556: pg_noresult(const struct req *req, int code, const char *http_msg,
557: const char *user_msg)
1.59 schwarze 558: {
1.168 schwarze 559: resp_begin_html(code, http_msg, NULL);
1.131 schwarze 560: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 561: puts("<p>");
1.168 schwarze 562: puts(user_msg);
1.126 schwarze 563: puts("</p>");
1.59 schwarze 564: resp_end_html();
565: }
566:
567: static void
1.72 schwarze 568: pg_error_badrequest(const char *msg)
1.9 kristaps 569: {
570:
1.150 schwarze 571: resp_begin_html(400, "Bad Request", NULL);
1.126 schwarze 572: puts("<h1>Bad Request</h1>\n"
573: "<p>\n");
1.59 schwarze 574: puts(msg);
575: printf("Try again from the\n"
1.126 schwarze 576: "<a href=\"/%s\">main page</a>.\n"
577: "</p>", scriptname);
1.9 kristaps 578: resp_end_html();
579: }
580:
581: static void
1.72 schwarze 582: pg_error_internal(void)
1.7 kristaps 583: {
1.150 schwarze 584: resp_begin_html(500, "Internal Server Error", NULL);
1.126 schwarze 585: puts("<p>Internal Server Error</p>");
1.7 kristaps 586: resp_end_html();
587: }
588:
589: static void
1.149 schwarze 590: pg_redirect(const struct req *req, const char *name)
591: {
1.153 schwarze 592: printf("Status: 303 See Other\r\n"
593: "Location: /");
1.149 schwarze 594: if (*scriptname != '\0')
595: printf("%s/", scriptname);
596: if (strcmp(req->q.manpath, req->p[0]))
597: printf("%s/", req->q.manpath);
598: if (req->q.arch != NULL)
599: printf("%s/", req->q.arch);
1.159 schwarze 600: http_encode(name);
601: if (req->q.sec != NULL) {
602: putchar('.');
603: http_encode(req->q.sec);
604: }
1.149 schwarze 605: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
606: }
607:
608: static void
1.72 schwarze 609: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 610: {
1.81 schwarze 611: char *arch, *archend;
1.120 schwarze 612: const char *sec;
613: size_t i, iuse;
1.81 schwarze 614: int archprio, archpriouse;
1.70 schwarze 615: int prio, priouse;
1.19 kristaps 616:
1.76 schwarze 617: for (i = 0; i < sz; i++) {
618: if (validate_filename(r[i].file))
619: continue;
1.128 schwarze 620: warnx("invalid filename %s in %s database",
1.76 schwarze 621: r[i].file, req->q.manpath);
622: pg_error_internal();
623: return;
624: }
625:
1.121 schwarze 626: if (req->isquery && sz == 1) {
1.6 kristaps 627: /*
628: * If we have just one result, then jump there now
629: * without any delay.
630: */
1.153 schwarze 631: printf("Status: 303 See Other\r\n"
632: "Location: /");
633: if (*scriptname != '\0')
634: printf("%s/", scriptname);
635: if (strcmp(req->q.manpath, req->p[0]))
636: printf("%s/", req->q.manpath);
637: printf("%s\r\n"
638: "Content-Type: text/html; charset=utf-8\r\n\r\n",
639: r[0].file);
1.6 kristaps 640: return;
641: }
642:
1.70 schwarze 643: /*
644: * In man(1) mode, show one of the pages
645: * even if more than one is found.
646: */
647:
1.150 schwarze 648: iuse = 0;
1.123 schwarze 649: if (req->q.equal || sz == 1) {
1.120 schwarze 650: priouse = 20;
1.81 schwarze 651: archpriouse = 3;
1.70 schwarze 652: for (i = 0; i < sz; i++) {
1.120 schwarze 653: sec = r[i].file;
654: sec += strcspn(sec, "123456789");
655: if (sec[0] == '\0')
1.70 schwarze 656: continue;
1.120 schwarze 657: prio = sec_prios[sec[0] - '1'];
658: if (sec[1] != '/')
659: prio += 10;
660: if (req->q.arch == NULL) {
1.81 schwarze 661: archprio =
1.120 schwarze 662: ((arch = strchr(sec + 1, '/'))
663: == NULL) ? 3 :
664: ((archend = strchr(arch + 1, '/'))
665: == NULL) ? 0 :
1.81 schwarze 666: strncmp(arch, "amd64/",
667: archend - arch) ? 2 : 1;
668: if (archprio < archpriouse) {
669: archpriouse = archprio;
670: priouse = prio;
671: iuse = i;
672: continue;
673: }
674: if (archprio > archpriouse)
675: continue;
676: }
1.70 schwarze 677: if (prio >= priouse)
678: continue;
679: priouse = prio;
680: iuse = i;
681: }
1.150 schwarze 682: resp_begin_html(200, NULL, r[iuse].file);
683: } else
684: resp_begin_html(200, NULL, NULL);
685:
686: resp_searchform(req,
687: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
688:
689: if (sz > 1) {
690: puts("<table class=\"results\">");
691: for (i = 0; i < sz; i++) {
692: printf(" <tr>\n"
693: " <td>"
1.151 schwarze 694: "<a class=\"Xr\" href=\"/");
695: if (*scriptname != '\0')
696: printf("%s/", scriptname);
697: if (strcmp(req->q.manpath, req->p[0]))
698: printf("%s/", req->q.manpath);
699: printf("%s\">", r[i].file);
1.150 schwarze 700: html_print(r[i].names);
701: printf("</a></td>\n"
702: " <td><span class=\"Nd\">");
703: html_print(r[i].output);
704: puts("</span></td>\n"
705: " </tr>");
706: }
707: puts("</table>");
708: }
709:
710: if (req->q.equal || sz == 1) {
711: puts("<hr>");
1.70 schwarze 712: resp_show(req, r[iuse].file);
713: }
714:
1.6 kristaps 715: resp_end_html();
716: }
717:
1.1 kristaps 718: static void
1.129 schwarze 719: resp_catman(const struct req *req, const char *file)
1.9 kristaps 720: {
1.10 kristaps 721: FILE *f;
1.115 schwarze 722: char *p;
723: size_t sz;
724: ssize_t len;
1.10 kristaps 725: int i;
726: int italic, bold;
1.9 kristaps 727:
1.115 schwarze 728: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 729: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 730: return;
731: }
732:
1.126 schwarze 733: puts("<div class=\"catman\">\n"
734: "<pre>");
1.10 kristaps 735:
1.115 schwarze 736: p = NULL;
737: sz = 0;
738:
739: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 740: bold = italic = 0;
1.115 schwarze 741: for (i = 0; i < len - 1; i++) {
1.104 schwarze 742: /*
1.10 kristaps 743: * This means that the catpage is out of state.
744: * Ignore it and keep going (although the
745: * catpage is bogus).
746: */
747:
748: if ('\b' == p[i] || '\n' == p[i])
749: continue;
750:
751: /*
752: * Print a regular character.
753: * Close out any bold/italic scopes.
754: * If we're in back-space mode, make sure we'll
755: * have something to enter when we backspace.
756: */
757:
758: if ('\b' != p[i + 1]) {
759: if (italic)
1.126 schwarze 760: printf("</i>");
1.10 kristaps 761: if (bold)
1.126 schwarze 762: printf("</b>");
1.10 kristaps 763: italic = bold = 0;
764: html_putchar(p[i]);
765: continue;
1.115 schwarze 766: } else if (i + 2 >= len)
1.10 kristaps 767: continue;
768:
769: /* Italic mode. */
770:
771: if ('_' == p[i]) {
772: if (bold)
1.126 schwarze 773: printf("</b>");
1.10 kristaps 774: if ( ! italic)
1.126 schwarze 775: printf("<i>");
1.10 kristaps 776: bold = 0;
777: italic = 1;
778: i += 2;
779: html_putchar(p[i]);
780: continue;
781: }
782:
1.104 schwarze 783: /*
1.10 kristaps 784: * Handle funny behaviour troff-isms.
785: * These grok'd from the original man2html.c.
786: */
787:
788: if (('+' == p[i] && 'o' == p[i + 2]) ||
789: ('o' == p[i] && '+' == p[i + 2]) ||
790: ('|' == p[i] && '=' == p[i + 2]) ||
791: ('=' == p[i] && '|' == p[i + 2]) ||
792: ('*' == p[i] && '=' == p[i + 2]) ||
793: ('=' == p[i] && '*' == p[i + 2]) ||
794: ('*' == p[i] && '|' == p[i + 2]) ||
795: ('|' == p[i] && '*' == p[i + 2])) {
796: if (italic)
1.126 schwarze 797: printf("</i>");
1.10 kristaps 798: if (bold)
1.126 schwarze 799: printf("</b>");
1.10 kristaps 800: italic = bold = 0;
801: putchar('*');
802: i += 2;
803: continue;
804: } else if (('|' == p[i] && '-' == p[i + 2]) ||
805: ('-' == p[i] && '|' == p[i + 1]) ||
806: ('+' == p[i] && '-' == p[i + 1]) ||
807: ('-' == p[i] && '+' == p[i + 1]) ||
808: ('+' == p[i] && '|' == p[i + 1]) ||
809: ('|' == p[i] && '+' == p[i + 1])) {
810: if (italic)
1.126 schwarze 811: printf("</i>");
1.10 kristaps 812: if (bold)
1.126 schwarze 813: printf("</b>");
1.10 kristaps 814: italic = bold = 0;
815: putchar('+');
816: i += 2;
817: continue;
818: }
819:
820: /* Bold mode. */
1.104 schwarze 821:
1.10 kristaps 822: if (italic)
1.126 schwarze 823: printf("</i>");
1.10 kristaps 824: if ( ! bold)
1.126 schwarze 825: printf("<b>");
1.10 kristaps 826: bold = 1;
827: italic = 0;
828: i += 2;
829: html_putchar(p[i]);
830: }
831:
1.104 schwarze 832: /*
1.10 kristaps 833: * Clean up the last character.
1.104 schwarze 834: * We can get to a newline; don't print that.
1.10 kristaps 835: */
1.9 kristaps 836:
1.10 kristaps 837: if (italic)
1.126 schwarze 838: printf("</i>");
1.10 kristaps 839: if (bold)
1.126 schwarze 840: printf("</b>");
1.9 kristaps 841:
1.115 schwarze 842: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 843: html_putchar(p[i]);
1.9 kristaps 844:
1.10 kristaps 845: putchar('\n');
846: }
1.115 schwarze 847: free(p);
1.10 kristaps 848:
1.126 schwarze 849: puts("</pre>\n"
850: "</div>");
1.10 kristaps 851:
852: fclose(f);
1.9 kristaps 853: }
854:
855: static void
1.129 schwarze 856: resp_format(const struct req *req, const char *file)
1.7 kristaps 857: {
1.106 schwarze 858: struct manoutput conf;
1.8 kristaps 859: struct mparse *mp;
1.164 schwarze 860: struct roff_meta *meta;
1.8 kristaps 861: void *vp;
1.90 schwarze 862: int fd;
863: int usepath;
1.7 kristaps 864:
1.8 kristaps 865: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 866: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 867: return;
868: }
869:
1.110 schwarze 870: mchars_alloc();
1.164 schwarze 871: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
872: MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
1.103 schwarze 873: mparse_readfd(mp, fd, file);
1.8 kristaps 874: close(fd);
1.164 schwarze 875: meta = mparse_result(mp);
1.7 kristaps 876:
1.106 schwarze 877: memset(&conf, 0, sizeof(conf));
878: conf.fragment = 1;
1.145 schwarze 879: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 880: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 schwarze 881: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
882: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 883: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 884:
1.110 schwarze 885: vp = html_alloc(&conf);
1.164 schwarze 886: if (meta->macroset == MACROSET_MDOC)
887: html_mdoc(vp, meta);
888: else
889: html_man(vp, meta);
1.32 kristaps 890:
1.8 kristaps 891: html_free(vp);
892: mparse_free(mp);
1.110 schwarze 893: mchars_free();
1.106 schwarze 894: free(conf.man);
1.145 schwarze 895: free(conf.style);
1.7 kristaps 896: }
897:
898: static void
1.70 schwarze 899: resp_show(const struct req *req, const char *file)
900: {
1.76 schwarze 901:
902: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 903: file += 2;
1.70 schwarze 904:
905: if ('c' == *file)
1.129 schwarze 906: resp_catman(req, file);
1.70 schwarze 907: else
1.129 schwarze 908: resp_format(req, file);
1.70 schwarze 909: }
910:
911: static void
1.84 schwarze 912: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 913: {
1.84 schwarze 914: char *manpath;
915: const char *file;
1.25 kristaps 916:
1.84 schwarze 917: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 918: pg_error_badrequest(
1.59 schwarze 919: "You did not specify a page to show.");
1.25 kristaps 920: return;
1.104 schwarze 921: }
1.84 schwarze 922: manpath = mandoc_strndup(fullpath, file - fullpath);
923: file++;
1.6 kristaps 924:
1.84 schwarze 925: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 926: pg_error_badrequest(
927: "You specified an invalid manpath.");
1.84 schwarze 928: free(manpath);
1.77 schwarze 929: return;
930: }
931:
1.24 kristaps 932: /*
1.58 schwarze 933: * Begin by chdir()ing into the manpath.
1.24 kristaps 934: * This way we can pick up the database files, which are
935: * relative to the manpath root.
936: */
937:
1.84 schwarze 938: if (chdir(manpath) == -1) {
1.128 schwarze 939: warn("chdir %s", manpath);
1.77 schwarze 940: pg_error_internal();
1.84 schwarze 941: free(manpath);
1.76 schwarze 942: return;
943: }
1.134 schwarze 944: free(manpath);
1.84 schwarze 945:
946: if ( ! validate_filename(file)) {
1.76 schwarze 947: pg_error_badrequest(
948: "You specified an invalid manual file.");
1.24 kristaps 949: return;
950: }
1.79 schwarze 951:
1.150 schwarze 952: resp_begin_html(200, NULL, file);
1.131 schwarze 953: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 954: resp_show(req, file);
1.70 schwarze 955: resp_end_html();
1.6 kristaps 956: }
957:
958: static void
1.66 schwarze 959: pg_search(const struct req *req)
1.6 kristaps 960: {
1.52 schwarze 961: struct mansearch search;
962: struct manpaths paths;
963: struct manpage *res;
1.97 schwarze 964: char **argv;
965: char *query, *rp, *wp;
1.52 schwarze 966: size_t ressz;
1.97 schwarze 967: int argc;
1.6 kristaps 968:
969: /*
1.24 kristaps 970: * Begin by chdir()ing into the root of the manpath.
971: * This way we can pick up the database files, which are
972: * relative to the manpath root.
973: */
974:
1.128 schwarze 975: if (chdir(req->q.manpath) == -1) {
976: warn("chdir %s", req->q.manpath);
1.77 schwarze 977: pg_error_internal();
1.24 kristaps 978: return;
979: }
980:
1.52 schwarze 981: search.arch = req->q.arch;
982: search.sec = req->q.sec;
1.94 schwarze 983: search.outkey = "Nd";
984: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 985: search.firstmatch = 1;
1.52 schwarze 986:
987: paths.sz = 1;
988: paths.paths = mandoc_malloc(sizeof(char *));
989: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 990:
991: /*
1.97 schwarze 992: * Break apart at spaces with backslash-escaping.
1.6 kristaps 993: */
994:
1.97 schwarze 995: argc = 0;
996: argv = NULL;
997: rp = query = mandoc_strdup(req->q.query);
998: for (;;) {
999: while (isspace((unsigned char)*rp))
1000: rp++;
1001: if (*rp == '\0')
1002: break;
1003: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
1004: argv[argc++] = wp = rp;
1005: for (;;) {
1006: if (isspace((unsigned char)*rp)) {
1007: *wp = '\0';
1008: rp++;
1009: break;
1010: }
1011: if (rp[0] == '\\' && rp[1] != '\0')
1012: rp++;
1013: if (wp != rp)
1014: *wp = *rp;
1015: if (*rp == '\0')
1016: break;
1017: wp++;
1018: rp++;
1019: }
1.6 kristaps 1020: }
1021:
1.149 schwarze 1022: res = NULL;
1023: ressz = 0;
1024: if (req->isquery && req->q.equal && argc == 1)
1025: pg_redirect(req, argv[0]);
1026: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.168 schwarze 1027: pg_noresult(req, 400, "Bad Request",
1028: "You entered an invalid query.");
1.149 schwarze 1029: else if (ressz == 0)
1.168 schwarze 1030: pg_noresult(req, 404, "Not Found", "No results found.");
1.59 schwarze 1031: else
1.72 schwarze 1032: pg_searchres(req, res, ressz);
1.6 kristaps 1033:
1.97 schwarze 1034: free(query);
1035: mansearch_free(res, ressz);
1.52 schwarze 1036: free(paths.paths[0]);
1037: free(paths.paths);
1.1 kristaps 1038: }
1039:
1040: int
1041: main(void)
1042: {
1.66 schwarze 1043: struct req req;
1.95 schwarze 1044: struct itimerval itimer;
1.66 schwarze 1045: const char *path;
1.83 schwarze 1046: const char *querystring;
1.1 kristaps 1047: int i;
1.148 schwarze 1048:
1049: #if HAVE_PLEDGE
1050: /*
1051: * The "rpath" pledge could be revoked after mparse_readfd()
1052: * if the file desciptor to "/footer.html" would be opened
1053: * up front, but it's probably not worth the complication
1054: * of the code it would cause: it would require scattering
1055: * pledge() calls in multiple low-level resp_*() functions.
1056: */
1057:
1058: if (pledge("stdio rpath", NULL) == -1) {
1059: warn("pledge");
1060: pg_error_internal();
1061: return EXIT_FAILURE;
1062: }
1063: #endif
1.95 schwarze 1064:
1065: /* Poor man's ReDoS mitigation. */
1066:
1.99 schwarze 1067: itimer.it_value.tv_sec = 2;
1.95 schwarze 1068: itimer.it_value.tv_usec = 0;
1.99 schwarze 1069: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1070: itimer.it_interval.tv_usec = 0;
1071: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1072: warn("setitimer");
1.80 schwarze 1073: pg_error_internal();
1.109 schwarze 1074: return EXIT_FAILURE;
1.80 schwarze 1075: }
1076:
1.24 kristaps 1077: /*
1.67 schwarze 1078: * First we change directory into the MAN_DIR so that
1.24 kristaps 1079: * subsequent scanning for manpath directories is rooted
1080: * relative to the same position.
1081: */
1082:
1.128 schwarze 1083: if (chdir(MAN_DIR) == -1) {
1084: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1085: pg_error_internal();
1.109 schwarze 1086: return EXIT_FAILURE;
1.104 schwarze 1087: }
1.24 kristaps 1088:
1089: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1090: req.q.equal = 1;
1.129 schwarze 1091: parse_manpath_conf(&req);
1.1 kristaps 1092:
1.117 schwarze 1093: /* Parse the path info and the query string. */
1.1 kristaps 1094:
1.117 schwarze 1095: if ((path = getenv("PATH_INFO")) == NULL)
1096: path = "";
1097: else if (*path == '/')
1098: path++;
1099:
1.124 schwarze 1100: if (*path != '\0') {
1.129 schwarze 1101: parse_path_info(&req, path);
1.154 schwarze 1102: if (req.q.manpath == NULL || req.q.sec == NULL ||
1103: *req.q.query == '\0' || access(path, F_OK) == -1)
1.124 schwarze 1104: path = "";
1.117 schwarze 1105: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1106: parse_query_string(&req, querystring);
1.77 schwarze 1107:
1.117 schwarze 1108: /* Validate parsed data and add defaults. */
1109:
1.102 schwarze 1110: if (req.q.manpath == NULL)
1111: req.q.manpath = mandoc_strdup(req.p[0]);
1112: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1113: pg_error_badrequest(
1114: "You specified an invalid manpath.");
1.109 schwarze 1115: return EXIT_FAILURE;
1.77 schwarze 1116: }
1.1 kristaps 1117:
1.159 schwarze 1118: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.80 schwarze 1119: pg_error_badrequest(
1120: "You specified an invalid architecture.");
1.109 schwarze 1121: return EXIT_FAILURE;
1.80 schwarze 1122: }
1123:
1.66 schwarze 1124: /* Dispatch to the three different pages. */
1.1 kristaps 1125:
1.66 schwarze 1126: if ('\0' != *path)
1127: pg_show(&req, path);
1.85 schwarze 1128: else if (NULL != req.q.query)
1.66 schwarze 1129: pg_search(&req);
1130: else
1.72 schwarze 1131: pg_index(&req);
1.1 kristaps 1132:
1.83 schwarze 1133: free(req.q.manpath);
1134: free(req.q.arch);
1135: free(req.q.sec);
1.85 schwarze 1136: free(req.q.query);
1.52 schwarze 1137: for (i = 0; i < (int)req.psz; i++)
1138: free(req.p[i]);
1.24 kristaps 1139: free(req.p);
1.109 schwarze 1140: return EXIT_SUCCESS;
1.117 schwarze 1141: }
1142:
1143: /*
1.161 schwarze 1144: * Translate PATH_INFO to a query.
1.117 schwarze 1145: */
1146: static void
1.129 schwarze 1147: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1148: {
1.161 schwarze 1149: const char *name, *sec, *end;
1.117 schwarze 1150:
1.121 schwarze 1151: req->isquery = 0;
1.117 schwarze 1152: req->q.equal = 1;
1.161 schwarze 1153: req->q.manpath = NULL;
1.135 schwarze 1154: req->q.arch = NULL;
1.117 schwarze 1155:
1156: /* Mandatory manual page name. */
1.161 schwarze 1157: if ((name = strrchr(path, '/')) == NULL)
1158: name = path;
1159: else
1160: name++;
1.117 schwarze 1161:
1162: /* Optional trailing section. */
1.161 schwarze 1163: sec = strrchr(name, '.');
1164: if (sec != NULL && isdigit((unsigned char)*++sec)) {
1165: req->q.query = mandoc_strndup(name, sec - name - 1);
1166: req->q.sec = mandoc_strdup(sec);
1167: } else {
1168: req->q.query = mandoc_strdup(name);
1169: req->q.sec = NULL;
1.117 schwarze 1170: }
1171:
1172: /* Handle the case of name[.section] only. */
1.161 schwarze 1173: if (name == path)
1.117 schwarze 1174: return;
1175:
1.135 schwarze 1176: /* Optional manpath. */
1.161 schwarze 1177: end = strchr(path, '/');
1178: req->q.manpath = mandoc_strndup(path, end - path);
1179: if (validate_manpath(req, req->q.manpath)) {
1180: path = end + 1;
1181: if (name == path)
1182: return;
1183: } else {
1184: free(req->q.manpath);
1.135 schwarze 1185: req->q.manpath = NULL;
1.161 schwarze 1186: }
1.117 schwarze 1187:
1.135 schwarze 1188: /* Optional section. */
1.165 schwarze 1189: if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
1.161 schwarze 1190: path += 3;
1191: end = strchr(path, '/');
1.127 schwarze 1192: free(req->q.sec);
1.161 schwarze 1193: req->q.sec = mandoc_strndup(path, end - path);
1194: path = end + 1;
1195: if (name == path)
1196: return;
1.117 schwarze 1197: }
1.161 schwarze 1198:
1199: /* Optional architecture. */
1200: end = strchr(path, '/');
1201: if (end + 1 != name) {
1202: pg_error_badrequest(
1203: "You specified too many directory components.");
1204: exit(EXIT_FAILURE);
1.135 schwarze 1205: }
1.161 schwarze 1206: req->q.arch = mandoc_strndup(path, end - path);
1207: if (validate_arch(req->q.arch) == 0) {
1.135 schwarze 1208: pg_error_badrequest(
1209: "You specified an invalid directory component.");
1210: exit(EXIT_FAILURE);
1211: }
1.24 kristaps 1212: }
1213:
1214: /*
1215: * Scan for indexable paths.
1216: */
1217: static void
1.129 schwarze 1218: parse_manpath_conf(struct req *req)
1.24 kristaps 1219: {
1.54 schwarze 1220: FILE *fp;
1221: char *dp;
1222: size_t dpsz;
1.115 schwarze 1223: ssize_t len;
1.54 schwarze 1224:
1.128 schwarze 1225: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1226: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1227: pg_error_internal();
1228: exit(EXIT_FAILURE);
1229: }
1.24 kristaps 1230:
1.115 schwarze 1231: dp = NULL;
1232: dpsz = 0;
1233:
1234: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1235: if (dp[len - 1] == '\n')
1236: dp[--len] = '\0';
1.54 schwarze 1237: req->p = mandoc_realloc(req->p,
1238: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1239: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1240: warnx("%s/manpath.conf contains "
1241: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1242: pg_error_internal();
1243: exit(EXIT_FAILURE);
1244: }
1.128 schwarze 1245: if (strchr(dp, '/') != NULL) {
1246: warnx("%s/manpath.conf contains "
1247: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1248: pg_error_internal();
1249: exit(EXIT_FAILURE);
1250: }
1251: req->p[req->psz++] = dp;
1.115 schwarze 1252: dp = NULL;
1253: dpsz = 0;
1.74 schwarze 1254: }
1.115 schwarze 1255: free(dp);
1.74 schwarze 1256:
1.128 schwarze 1257: if (req->p == NULL) {
1258: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1259: pg_error_internal();
1260: exit(EXIT_FAILURE);
1.24 kristaps 1261: }
1262: }
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