Annotation of mandoc/cgi.c, Revision 1.168
1.168 ! schwarze 1: /* $Id: cgi.c,v 1.167 2019/07/10 12:49:20 schwarze Exp $ */
1.6 kristaps 2: /*
1.42 kristaps 3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.168 ! schwarze 4: * Copyright (c) 2014-2019 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"
1.162 schwarze 41: #include "mandoc_parse.h"
1.8 kristaps 42: #include "main.h"
1.105 schwarze 43: #include "manconf.h"
1.52 schwarze 44: #include "mansearch.h"
1.67 schwarze 45: #include "cgi.h"
1.1 kristaps 46:
1.20 kristaps 47: /*
48: * A query as passed to the search function.
49: */
50: struct query {
1.83 schwarze 51: char *manpath; /* desired manual directory */
52: char *arch; /* architecture */
53: char *sec; /* manual section */
1.85 schwarze 54: char *query; /* unparsed query expression */
1.65 schwarze 55: int equal; /* match whole names, not substrings */
1.20 kristaps 56: };
57:
1.1 kristaps 58: struct req {
1.58 schwarze 59: struct query q;
60: char **p; /* array of available manpaths */
61: size_t psz; /* number of available manpaths */
1.121 schwarze 62: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 kristaps 63: };
64:
1.131 schwarze 65: enum focus {
66: FOCUS_NONE = 0,
67: FOCUS_QUERY
68: };
69:
1.6 kristaps 70: static void html_print(const char *);
1.10 kristaps 71: static void html_putchar(char);
1.104 schwarze 72: static int http_decode(char *);
1.159 schwarze 73: static void http_encode(const char *p);
1.129 schwarze 74: static void parse_manpath_conf(struct req *);
75: static void parse_path_info(struct req *req, const char *path);
76: static void parse_query_string(struct req *, const char *);
1.72 schwarze 77: static void pg_error_badrequest(const char *);
78: static void pg_error_internal(void);
79: static void pg_index(const struct req *);
1.168 ! schwarze 80: static void pg_noresult(const struct req *, int, const char *,
! 81: const char *);
1.149 schwarze 82: static void pg_redirect(const struct req *, const char *);
1.66 schwarze 83: static void pg_search(const struct req *);
1.72 schwarze 84: static void pg_searchres(const struct req *,
85: struct manpage *, size_t);
1.79 schwarze 86: static void pg_show(struct req *, const char *);
1.150 schwarze 87: static void resp_begin_html(int, const char *, const char *);
1.6 kristaps 88: static void resp_begin_http(int, const char *);
1.129 schwarze 89: static void resp_catman(const struct req *, const char *);
1.114 schwarze 90: static void resp_copy(const char *);
1.6 kristaps 91: static void resp_end_html(void);
1.129 schwarze 92: static void resp_format(const struct req *, const char *);
1.131 schwarze 93: static void resp_searchform(const struct req *, enum focus);
1.70 schwarze 94: static void resp_show(const struct req *, const char *);
1.85 schwarze 95: static void set_query_attr(char **, char **);
1.159 schwarze 96: static int validate_arch(const char *);
1.85 schwarze 97: static int validate_filename(const char *);
98: static int validate_manpath(const struct req *, const char *);
99: static int validate_urifrag(const char *);
1.6 kristaps 100:
1.119 schwarze 101: static const char *scriptname = SCRIPT_NAME;
1.1 kristaps 102:
1.70 schwarze 103: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.68 schwarze 104: static const char *const sec_numbers[] = {
105: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
106: };
107: static const char *const sec_names[] = {
108: "All Sections",
109: "1 - General Commands",
110: "2 - System Calls",
1.96 schwarze 111: "3 - Library Functions",
112: "3p - Perl Library",
113: "4 - Device Drivers",
1.68 schwarze 114: "5 - File Formats",
115: "6 - Games",
1.96 schwarze 116: "7 - Miscellaneous Information",
117: "8 - System Manager\'s Manual",
118: "9 - Kernel Developer\'s Manual"
1.68 schwarze 119: };
120: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
121:
122: static const char *const arch_names[] = {
1.146 schwarze 123: "amd64", "alpha", "armv7", "arm64",
1.137 schwarze 124: "hppa", "i386", "landisk",
1.125 schwarze 125: "loongson", "luna88k", "macppc", "mips64",
1.140 schwarze 126: "octeon", "sgi", "socppc", "sparc64",
1.137 schwarze 127: "amiga", "arc", "armish", "arm32",
128: "atari", "aviion", "beagle", "cats",
129: "hppa64", "hp300",
1.125 schwarze 130: "ia64", "mac68k", "mvme68k", "mvme88k",
131: "mvmeppc", "palm", "pc532", "pegasos",
1.139 schwarze 132: "pmax", "powerpc", "solbourne", "sparc",
1.140 schwarze 133: "sun3", "vax", "wgrisc", "x68k",
134: "zaurus"
1.68 schwarze 135: };
136: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
137:
1.6 kristaps 138: /*
1.20 kristaps 139: * Print a character, escaping HTML along the way.
140: * This will pass non-ASCII straight to output: be warned!
141: */
1.10 kristaps 142: static void
143: html_putchar(char c)
144: {
145:
146: switch (c) {
1.155 schwarze 147: case '"':
1.141 schwarze 148: printf(""");
1.10 kristaps 149: break;
1.155 schwarze 150: case '&':
1.10 kristaps 151: printf("&");
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;
159: default:
160: putchar((unsigned char)c);
161: break;
162: }
163: }
1.57 schwarze 164:
1.6 kristaps 165: /*
1.20 kristaps 166: * Call through to html_putchar().
167: * Accepts NULL strings.
1.6 kristaps 168: */
1.1 kristaps 169: static void
1.6 kristaps 170: html_print(const char *p)
1.1 kristaps 171: {
1.104 schwarze 172:
1.6 kristaps 173: if (NULL == p)
174: return;
1.1 kristaps 175: while ('\0' != *p)
1.10 kristaps 176: html_putchar(*p++);
1.1 kristaps 177: }
178:
179: /*
1.83 schwarze 180: * Transfer the responsibility for the allocated string *val
181: * to the query structure.
1.1 kristaps 182: */
183: static void
1.83 schwarze 184: set_query_attr(char **attr, char **val)
1.1 kristaps 185: {
186:
1.83 schwarze 187: free(*attr);
188: if (**val == '\0') {
189: *attr = NULL;
190: free(*val);
191: } else
192: *attr = *val;
193: *val = NULL;
194: }
195:
196: /*
197: * Parse the QUERY_STRING for key-value pairs
198: * and store the values into the query structure.
199: */
200: static void
1.129 schwarze 201: parse_query_string(struct req *req, const char *qs)
1.83 schwarze 202: {
203: char *key, *val;
204: size_t keysz, valsz;
205:
1.121 schwarze 206: req->isquery = 1;
1.83 schwarze 207: req->q.manpath = NULL;
208: req->q.arch = NULL;
209: req->q.sec = NULL;
1.85 schwarze 210: req->q.query = NULL;
1.83 schwarze 211: req->q.equal = 1;
212:
213: key = val = NULL;
214: while (*qs != '\0') {
1.24 kristaps 215:
1.83 schwarze 216: /* Parse one key. */
217:
218: keysz = strcspn(qs, "=;&");
219: key = mandoc_strndup(qs, keysz);
220: qs += keysz;
221: if (*qs != '=')
222: goto next;
223:
224: /* Parse one value. */
225:
226: valsz = strcspn(++qs, ";&");
227: val = mandoc_strndup(qs, valsz);
228: qs += valsz;
229:
230: /* Decode and catch encoding errors. */
1.1 kristaps 231:
1.83 schwarze 232: if ( ! (http_decode(key) && http_decode(val)))
233: goto next;
1.1 kristaps 234:
1.83 schwarze 235: /* Handle key-value pairs. */
1.1 kristaps 236:
1.83 schwarze 237: if ( ! strcmp(key, "query"))
1.85 schwarze 238: set_query_attr(&req->q.query, &val);
1.1 kristaps 239:
1.83 schwarze 240: else if ( ! strcmp(key, "apropos"))
241: req->q.equal = !strcmp(val, "0");
242:
243: else if ( ! strcmp(key, "manpath")) {
1.73 schwarze 244: #ifdef COMPAT_OLDURI
1.83 schwarze 245: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.73 schwarze 246: val[7] = '-';
247: if ('C' == val[8])
248: val[8] = 'c';
249: }
250: #endif
1.83 schwarze 251: set_query_attr(&req->q.manpath, &val);
252: }
253:
254: else if ( ! (strcmp(key, "sec")
1.73 schwarze 255: #ifdef COMPAT_OLDURI
1.83 schwarze 256: && strcmp(key, "sektion")
1.73 schwarze 257: #endif
1.83 schwarze 258: )) {
259: if ( ! strcmp(val, "0"))
260: *val = '\0';
261: set_query_attr(&req->q.sec, &val);
1.65 schwarze 262: }
1.83 schwarze 263:
264: else if ( ! strcmp(key, "arch")) {
265: if ( ! strcmp(val, "default"))
266: *val = '\0';
267: set_query_attr(&req->q.arch, &val);
268: }
269:
270: /*
271: * The key must be freed in any case.
272: * The val may have been handed over to the query
273: * structure, in which case it is now NULL.
274: */
275: next:
276: free(key);
277: key = NULL;
278: free(val);
279: val = NULL;
280:
281: if (*qs != '\0')
282: qs++;
1.24 kristaps 283: }
1.1 kristaps 284: }
285:
286: /*
1.6 kristaps 287: * HTTP-decode a string. The standard explanation is that this turns
288: * "%4e+foo" into "n foo" in the regular way. This is done in-place
289: * over the allocated string.
1.1 kristaps 290: */
291: static int
1.24 kristaps 292: http_decode(char *p)
1.1 kristaps 293: {
294: char hex[3];
1.63 schwarze 295: char *q;
1.1 kristaps 296: int c;
297:
298: hex[2] = '\0';
299:
1.63 schwarze 300: q = p;
301: for ( ; '\0' != *p; p++, q++) {
1.1 kristaps 302: if ('%' == *p) {
303: if ('\0' == (hex[0] = *(p + 1)))
1.109 schwarze 304: return 0;
1.1 kristaps 305: if ('\0' == (hex[1] = *(p + 2)))
1.109 schwarze 306: return 0;
1.1 kristaps 307: if (1 != sscanf(hex, "%x", &c))
1.109 schwarze 308: return 0;
1.1 kristaps 309: if ('\0' == c)
1.109 schwarze 310: return 0;
1.1 kristaps 311:
1.63 schwarze 312: *q = (char)c;
313: p += 2;
1.1 kristaps 314: } else
1.63 schwarze 315: *q = '+' == *p ? ' ' : *p;
1.1 kristaps 316: }
317:
1.63 schwarze 318: *q = '\0';
1.109 schwarze 319: return 1;
1.1 kristaps 320: }
321:
1.6 kristaps 322: static void
1.159 schwarze 323: http_encode(const char *p)
324: {
325: for (; *p != '\0'; p++) {
326: if (isalnum((unsigned char)*p) == 0 &&
327: strchr("-._~", *p) == NULL)
1.166 schwarze 328: printf("%%%2.2X", (unsigned char)*p);
1.159 schwarze 329: else
330: putchar(*p);
331: }
332: }
333:
334: static void
1.6 kristaps 335: resp_begin_http(int code, const char *msg)
336: {
337:
338: if (200 != code)
1.62 schwarze 339: printf("Status: %d %s\r\n", code, msg);
1.6 kristaps 340:
1.62 schwarze 341: printf("Content-Type: text/html; charset=utf-8\r\n"
342: "Cache-Control: no-cache\r\n"
343: "Pragma: no-cache\r\n"
344: "\r\n");
1.6 kristaps 345:
346: fflush(stdout);
347: }
348:
349: static void
1.114 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);
1.138 schwarze 360: close(fd);
1.114 schwarze 361: }
362: }
363:
364: static void
1.150 schwarze 365: resp_begin_html(int code, const char *msg, const char *file)
1.6 kristaps 366: {
1.150 schwarze 367: char *cp;
1.6 kristaps 368:
369: resp_begin_http(code, msg);
370:
1.98 kristaps 371: printf("<!DOCTYPE html>\n"
1.126 schwarze 372: "<html>\n"
373: "<head>\n"
1.143 schwarze 374: " <meta charset=\"UTF-8\"/>\n"
1.157 schwarze 375: " <meta name=\"viewport\""
376: " content=\"width=device-width, initial-scale=1.0\">\n"
1.143 schwarze 377: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 378: " type=\"text/css\" media=\"all\">\n"
1.150 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"
1.126 schwarze 390: "</head>\n"
1.142 schwarze 391: "<body>\n",
1.150 schwarze 392: CUSTOMIZE_TITLE);
1.114 schwarze 393:
394: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 395: }
396:
397: static void
398: resp_end_html(void)
399: {
400:
1.114 schwarze 401: resp_copy(MAN_DIR "/footer.html");
402:
1.126 schwarze 403: puts("</body>\n"
404: "</html>");
1.6 kristaps 405: }
406:
407: static void
1.131 schwarze 408: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 409: {
1.27 kristaps 410: int i;
1.13 kristaps 411:
1.142 schwarze 412: printf("<form action=\"/%s\" method=\"get\">\n"
1.143 schwarze 413: " <fieldset>\n"
414: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 415: scriptname);
1.68 schwarze 416:
417: /* Write query input box. */
418:
1.158 schwarze 419: printf(" <input type=\"search\" name=\"query\" value=\"");
1.131 schwarze 420: if (req->q.query != NULL)
1.85 schwarze 421: html_print(req->q.query);
1.131 schwarze 422: printf( "\" size=\"40\"");
423: if (focus == FOCUS_QUERY)
424: printf(" autofocus");
425: puts(">");
1.68 schwarze 426:
1.132 schwarze 427: /* Write submission buttons. */
1.68 schwarze 428:
1.143 schwarze 429: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 430: "man</button>\n"
1.143 schwarze 431: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
432: "apropos</button>\n"
433: " <br/>\n");
1.68 schwarze 434:
435: /* Write section selector. */
436:
1.143 schwarze 437: puts(" <select name=\"sec\">");
1.68 schwarze 438: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 439: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 440: if (NULL != req->q.sec &&
441: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 442: printf(" selected=\"selected\"");
443: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 444: }
1.143 schwarze 445: puts(" </select>");
1.68 schwarze 446:
447: /* Write architecture selector. */
448:
1.143 schwarze 449: printf( " <select name=\"arch\">\n"
450: " <option value=\"default\"");
1.81 schwarze 451: if (NULL == req->q.arch)
1.126 schwarze 452: printf(" selected=\"selected\"");
453: puts(">All Architectures</option>");
1.68 schwarze 454: for (i = 0; i < arch_MAX; i++) {
1.158 schwarze 455: printf(" <option");
1.68 schwarze 456: if (NULL != req->q.arch &&
457: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 458: printf(" selected=\"selected\"");
459: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 460: }
1.143 schwarze 461: puts(" </select>");
1.68 schwarze 462:
463: /* Write manpath selector. */
464:
1.27 kristaps 465: if (req->psz > 1) {
1.143 schwarze 466: puts(" <select name=\"manpath\">");
1.27 kristaps 467: for (i = 0; i < (int)req->psz; i++) {
1.158 schwarze 468: printf(" <option");
1.102 schwarze 469: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.158 schwarze 470: printf(" selected=\"selected\"");
471: printf(">");
1.52 schwarze 472: html_print(req->p[i]);
1.126 schwarze 473: puts("</option>");
1.27 kristaps 474: }
1.143 schwarze 475: puts(" </select>");
1.27 kristaps 476: }
1.68 schwarze 477:
1.143 schwarze 478: puts(" </fieldset>\n"
1.142 schwarze 479: "</form>");
1.6 kristaps 480: }
481:
1.76 schwarze 482: static int
1.80 schwarze 483: validate_urifrag(const char *frag)
484: {
485:
486: while ('\0' != *frag) {
487: if ( ! (isalnum((unsigned char)*frag) ||
488: '-' == *frag || '.' == *frag ||
489: '/' == *frag || '_' == *frag))
1.109 schwarze 490: return 0;
1.80 schwarze 491: frag++;
492: }
1.109 schwarze 493: return 1;
1.80 schwarze 494: }
495:
496: static int
1.77 schwarze 497: validate_manpath(const struct req *req, const char* manpath)
498: {
499: size_t i;
500:
501: for (i = 0; i < req->psz; i++)
502: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 503: return 1;
1.77 schwarze 504:
1.109 schwarze 505: return 0;
1.77 schwarze 506: }
507:
508: static int
1.159 schwarze 509: validate_arch(const char *arch)
510: {
511: int i;
512:
513: for (i = 0; i < arch_MAX; i++)
514: if (strcmp(arch, arch_names[i]) == 0)
515: return 1;
516:
517: return 0;
518: }
519:
520: static int
1.76 schwarze 521: validate_filename(const char *file)
522: {
523:
524: if ('.' == file[0] && '/' == file[1])
525: file += 2;
526:
1.109 schwarze 527: return ! (strstr(file, "../") || strstr(file, "/..") ||
528: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 529: }
530:
1.6 kristaps 531: static void
1.72 schwarze 532: pg_index(const struct req *req)
1.6 kristaps 533: {
534:
1.150 schwarze 535: resp_begin_html(200, NULL, NULL);
1.131 schwarze 536: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 537: printf("<p>\n"
1.86 schwarze 538: "This web interface is documented in the\n"
1.144 schwarze 539: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 540: "manual, and the\n"
1.144 schwarze 541: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 542: "manual explains the query syntax.\n"
1.126 schwarze 543: "</p>\n",
1.119 schwarze 544: scriptname, *scriptname == '\0' ? "" : "/",
545: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 546: resp_end_html();
547: }
548:
549: static void
1.168 ! schwarze 550: pg_noresult(const struct req *req, int code, const char *http_msg,
! 551: const char *user_msg)
1.59 schwarze 552: {
1.168 ! schwarze 553: resp_begin_html(code, http_msg, NULL);
1.131 schwarze 554: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 555: puts("<p>");
1.168 ! schwarze 556: puts(user_msg);
1.126 schwarze 557: puts("</p>");
1.59 schwarze 558: resp_end_html();
559: }
560:
561: static void
1.72 schwarze 562: pg_error_badrequest(const char *msg)
1.9 kristaps 563: {
564:
1.150 schwarze 565: resp_begin_html(400, "Bad Request", NULL);
1.126 schwarze 566: puts("<h1>Bad Request</h1>\n"
567: "<p>\n");
1.59 schwarze 568: puts(msg);
569: printf("Try again from the\n"
1.126 schwarze 570: "<a href=\"/%s\">main page</a>.\n"
571: "</p>", scriptname);
1.9 kristaps 572: resp_end_html();
573: }
574:
575: static void
1.72 schwarze 576: pg_error_internal(void)
1.7 kristaps 577: {
1.150 schwarze 578: resp_begin_html(500, "Internal Server Error", NULL);
1.126 schwarze 579: puts("<p>Internal Server Error</p>");
1.7 kristaps 580: resp_end_html();
581: }
582:
583: static void
1.149 schwarze 584: pg_redirect(const struct req *req, const char *name)
585: {
1.153 schwarze 586: printf("Status: 303 See Other\r\n"
587: "Location: /");
1.149 schwarze 588: if (*scriptname != '\0')
589: printf("%s/", scriptname);
590: if (strcmp(req->q.manpath, req->p[0]))
591: printf("%s/", req->q.manpath);
592: if (req->q.arch != NULL)
593: printf("%s/", req->q.arch);
1.159 schwarze 594: http_encode(name);
595: if (req->q.sec != NULL) {
596: putchar('.');
597: http_encode(req->q.sec);
598: }
1.149 schwarze 599: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
600: }
601:
602: static void
1.72 schwarze 603: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 604: {
1.81 schwarze 605: char *arch, *archend;
1.120 schwarze 606: const char *sec;
607: size_t i, iuse;
1.81 schwarze 608: int archprio, archpriouse;
1.70 schwarze 609: int prio, priouse;
1.19 kristaps 610:
1.76 schwarze 611: for (i = 0; i < sz; i++) {
612: if (validate_filename(r[i].file))
613: continue;
1.128 schwarze 614: warnx("invalid filename %s in %s database",
1.76 schwarze 615: r[i].file, req->q.manpath);
616: pg_error_internal();
617: return;
618: }
619:
1.121 schwarze 620: if (req->isquery && sz == 1) {
1.6 kristaps 621: /*
622: * If we have just one result, then jump there now
623: * without any delay.
624: */
1.153 schwarze 625: printf("Status: 303 See Other\r\n"
626: "Location: /");
627: if (*scriptname != '\0')
628: printf("%s/", scriptname);
629: if (strcmp(req->q.manpath, req->p[0]))
630: printf("%s/", req->q.manpath);
631: printf("%s\r\n"
632: "Content-Type: text/html; charset=utf-8\r\n\r\n",
633: r[0].file);
1.6 kristaps 634: return;
635: }
636:
1.70 schwarze 637: /*
638: * In man(1) mode, show one of the pages
639: * even if more than one is found.
640: */
641:
1.150 schwarze 642: iuse = 0;
1.123 schwarze 643: if (req->q.equal || sz == 1) {
1.120 schwarze 644: priouse = 20;
1.81 schwarze 645: archpriouse = 3;
1.70 schwarze 646: for (i = 0; i < sz; i++) {
1.120 schwarze 647: sec = r[i].file;
648: sec += strcspn(sec, "123456789");
649: if (sec[0] == '\0')
1.70 schwarze 650: continue;
1.120 schwarze 651: prio = sec_prios[sec[0] - '1'];
652: if (sec[1] != '/')
653: prio += 10;
654: if (req->q.arch == NULL) {
1.81 schwarze 655: archprio =
1.120 schwarze 656: ((arch = strchr(sec + 1, '/'))
657: == NULL) ? 3 :
658: ((archend = strchr(arch + 1, '/'))
659: == NULL) ? 0 :
1.81 schwarze 660: strncmp(arch, "amd64/",
661: archend - arch) ? 2 : 1;
662: if (archprio < archpriouse) {
663: archpriouse = archprio;
664: priouse = prio;
665: iuse = i;
666: continue;
667: }
668: if (archprio > archpriouse)
669: continue;
670: }
1.70 schwarze 671: if (prio >= priouse)
672: continue;
673: priouse = prio;
674: iuse = i;
675: }
1.150 schwarze 676: resp_begin_html(200, NULL, r[iuse].file);
677: } else
678: resp_begin_html(200, NULL, NULL);
679:
680: resp_searchform(req,
681: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
682:
683: if (sz > 1) {
684: puts("<table class=\"results\">");
685: for (i = 0; i < sz; i++) {
686: printf(" <tr>\n"
687: " <td>"
1.151 schwarze 688: "<a class=\"Xr\" href=\"/");
689: if (*scriptname != '\0')
690: printf("%s/", scriptname);
691: if (strcmp(req->q.manpath, req->p[0]))
692: printf("%s/", req->q.manpath);
693: printf("%s\">", r[i].file);
1.150 schwarze 694: html_print(r[i].names);
695: printf("</a></td>\n"
696: " <td><span class=\"Nd\">");
697: html_print(r[i].output);
698: puts("</span></td>\n"
699: " </tr>");
700: }
701: puts("</table>");
702: }
703:
704: if (req->q.equal || sz == 1) {
705: puts("<hr>");
1.70 schwarze 706: resp_show(req, r[iuse].file);
707: }
708:
1.6 kristaps 709: resp_end_html();
710: }
711:
1.1 kristaps 712: static void
1.129 schwarze 713: resp_catman(const struct req *req, const char *file)
1.9 kristaps 714: {
1.10 kristaps 715: FILE *f;
1.115 schwarze 716: char *p;
717: size_t sz;
718: ssize_t len;
1.10 kristaps 719: int i;
720: int italic, bold;
1.9 kristaps 721:
1.115 schwarze 722: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 723: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 724: return;
725: }
726:
1.126 schwarze 727: puts("<div class=\"catman\">\n"
728: "<pre>");
1.10 kristaps 729:
1.115 schwarze 730: p = NULL;
731: sz = 0;
732:
733: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 734: bold = italic = 0;
1.115 schwarze 735: for (i = 0; i < len - 1; i++) {
1.104 schwarze 736: /*
1.10 kristaps 737: * This means that the catpage is out of state.
738: * Ignore it and keep going (although the
739: * catpage is bogus).
740: */
741:
742: if ('\b' == p[i] || '\n' == p[i])
743: continue;
744:
745: /*
746: * Print a regular character.
747: * Close out any bold/italic scopes.
748: * If we're in back-space mode, make sure we'll
749: * have something to enter when we backspace.
750: */
751:
752: if ('\b' != p[i + 1]) {
753: if (italic)
1.126 schwarze 754: printf("</i>");
1.10 kristaps 755: if (bold)
1.126 schwarze 756: printf("</b>");
1.10 kristaps 757: italic = bold = 0;
758: html_putchar(p[i]);
759: continue;
1.115 schwarze 760: } else if (i + 2 >= len)
1.10 kristaps 761: continue;
762:
763: /* Italic mode. */
764:
765: if ('_' == p[i]) {
766: if (bold)
1.126 schwarze 767: printf("</b>");
1.10 kristaps 768: if ( ! italic)
1.126 schwarze 769: printf("<i>");
1.10 kristaps 770: bold = 0;
771: italic = 1;
772: i += 2;
773: html_putchar(p[i]);
774: continue;
775: }
776:
1.104 schwarze 777: /*
1.10 kristaps 778: * Handle funny behaviour troff-isms.
779: * These grok'd from the original man2html.c.
780: */
781:
782: if (('+' == p[i] && 'o' == p[i + 2]) ||
783: ('o' == p[i] && '+' == p[i + 2]) ||
784: ('|' == 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: if (italic)
1.126 schwarze 791: printf("</i>");
1.10 kristaps 792: if (bold)
1.126 schwarze 793: printf("</b>");
1.10 kristaps 794: italic = bold = 0;
795: putchar('*');
796: i += 2;
797: continue;
798: } else if (('|' == p[i] && '-' == p[i + 2]) ||
799: ('-' == p[i] && '|' == p[i + 1]) ||
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: if (italic)
1.126 schwarze 805: printf("</i>");
1.10 kristaps 806: if (bold)
1.126 schwarze 807: printf("</b>");
1.10 kristaps 808: italic = bold = 0;
809: putchar('+');
810: i += 2;
811: continue;
812: }
813:
814: /* Bold mode. */
1.104 schwarze 815:
1.10 kristaps 816: if (italic)
1.126 schwarze 817: printf("</i>");
1.10 kristaps 818: if ( ! bold)
1.126 schwarze 819: printf("<b>");
1.10 kristaps 820: bold = 1;
821: italic = 0;
822: i += 2;
823: html_putchar(p[i]);
824: }
825:
1.104 schwarze 826: /*
1.10 kristaps 827: * Clean up the last character.
1.104 schwarze 828: * We can get to a newline; don't print that.
1.10 kristaps 829: */
1.9 kristaps 830:
1.10 kristaps 831: if (italic)
1.126 schwarze 832: printf("</i>");
1.10 kristaps 833: if (bold)
1.126 schwarze 834: printf("</b>");
1.9 kristaps 835:
1.115 schwarze 836: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 837: html_putchar(p[i]);
1.9 kristaps 838:
1.10 kristaps 839: putchar('\n');
840: }
1.115 schwarze 841: free(p);
1.10 kristaps 842:
1.126 schwarze 843: puts("</pre>\n"
844: "</div>");
1.10 kristaps 845:
846: fclose(f);
1.9 kristaps 847: }
848:
849: static void
1.129 schwarze 850: resp_format(const struct req *req, const char *file)
1.7 kristaps 851: {
1.106 schwarze 852: struct manoutput conf;
1.8 kristaps 853: struct mparse *mp;
1.164 schwarze 854: struct roff_meta *meta;
1.8 kristaps 855: void *vp;
1.90 schwarze 856: int fd;
857: int usepath;
1.7 kristaps 858:
1.8 kristaps 859: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 860: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 861: return;
862: }
863:
1.110 schwarze 864: mchars_alloc();
1.164 schwarze 865: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
866: MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
1.103 schwarze 867: mparse_readfd(mp, fd, file);
1.8 kristaps 868: close(fd);
1.164 schwarze 869: meta = mparse_result(mp);
1.7 kristaps 870:
1.106 schwarze 871: memset(&conf, 0, sizeof(conf));
872: conf.fragment = 1;
1.145 schwarze 873: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 874: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 schwarze 875: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
876: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 877: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 878:
1.110 schwarze 879: vp = html_alloc(&conf);
1.164 schwarze 880: if (meta->macroset == MACROSET_MDOC)
881: html_mdoc(vp, meta);
882: else
883: html_man(vp, meta);
1.32 kristaps 884:
1.8 kristaps 885: html_free(vp);
886: mparse_free(mp);
1.110 schwarze 887: mchars_free();
1.106 schwarze 888: free(conf.man);
1.145 schwarze 889: free(conf.style);
1.7 kristaps 890: }
891:
892: static void
1.70 schwarze 893: resp_show(const struct req *req, const char *file)
894: {
1.76 schwarze 895:
896: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 897: file += 2;
1.70 schwarze 898:
899: if ('c' == *file)
1.129 schwarze 900: resp_catman(req, file);
1.70 schwarze 901: else
1.129 schwarze 902: resp_format(req, file);
1.70 schwarze 903: }
904:
905: static void
1.84 schwarze 906: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 907: {
1.84 schwarze 908: char *manpath;
909: const char *file;
1.25 kristaps 910:
1.84 schwarze 911: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 912: pg_error_badrequest(
1.59 schwarze 913: "You did not specify a page to show.");
1.25 kristaps 914: return;
1.104 schwarze 915: }
1.84 schwarze 916: manpath = mandoc_strndup(fullpath, file - fullpath);
917: file++;
1.6 kristaps 918:
1.84 schwarze 919: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 920: pg_error_badrequest(
921: "You specified an invalid manpath.");
1.84 schwarze 922: free(manpath);
1.77 schwarze 923: return;
924: }
925:
1.24 kristaps 926: /*
1.58 schwarze 927: * Begin by chdir()ing into the manpath.
1.24 kristaps 928: * This way we can pick up the database files, which are
929: * relative to the manpath root.
930: */
931:
1.84 schwarze 932: if (chdir(manpath) == -1) {
1.128 schwarze 933: warn("chdir %s", manpath);
1.77 schwarze 934: pg_error_internal();
1.84 schwarze 935: free(manpath);
1.76 schwarze 936: return;
937: }
1.134 schwarze 938: free(manpath);
1.84 schwarze 939:
940: if ( ! validate_filename(file)) {
1.76 schwarze 941: pg_error_badrequest(
942: "You specified an invalid manual file.");
1.24 kristaps 943: return;
944: }
1.79 schwarze 945:
1.150 schwarze 946: resp_begin_html(200, NULL, file);
1.131 schwarze 947: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 948: resp_show(req, file);
1.70 schwarze 949: resp_end_html();
1.6 kristaps 950: }
951:
952: static void
1.66 schwarze 953: pg_search(const struct req *req)
1.6 kristaps 954: {
1.52 schwarze 955: struct mansearch search;
956: struct manpaths paths;
957: struct manpage *res;
1.97 schwarze 958: char **argv;
959: char *query, *rp, *wp;
1.52 schwarze 960: size_t ressz;
1.97 schwarze 961: int argc;
1.6 kristaps 962:
963: /*
1.24 kristaps 964: * Begin by chdir()ing into the root of the manpath.
965: * This way we can pick up the database files, which are
966: * relative to the manpath root.
967: */
968:
1.128 schwarze 969: if (chdir(req->q.manpath) == -1) {
970: warn("chdir %s", req->q.manpath);
1.77 schwarze 971: pg_error_internal();
1.24 kristaps 972: return;
973: }
974:
1.52 schwarze 975: search.arch = req->q.arch;
976: search.sec = req->q.sec;
1.94 schwarze 977: search.outkey = "Nd";
978: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 979: search.firstmatch = 1;
1.52 schwarze 980:
981: paths.sz = 1;
982: paths.paths = mandoc_malloc(sizeof(char *));
983: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 984:
985: /*
1.97 schwarze 986: * Break apart at spaces with backslash-escaping.
1.6 kristaps 987: */
988:
1.97 schwarze 989: argc = 0;
990: argv = NULL;
991: rp = query = mandoc_strdup(req->q.query);
992: for (;;) {
993: while (isspace((unsigned char)*rp))
994: rp++;
995: if (*rp == '\0')
996: break;
997: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
998: argv[argc++] = wp = rp;
999: for (;;) {
1000: if (isspace((unsigned char)*rp)) {
1001: *wp = '\0';
1002: rp++;
1003: break;
1004: }
1005: if (rp[0] == '\\' && rp[1] != '\0')
1006: rp++;
1007: if (wp != rp)
1008: *wp = *rp;
1009: if (*rp == '\0')
1010: break;
1011: wp++;
1012: rp++;
1013: }
1.6 kristaps 1014: }
1015:
1.149 schwarze 1016: res = NULL;
1017: ressz = 0;
1018: if (req->isquery && req->q.equal && argc == 1)
1019: pg_redirect(req, argv[0]);
1020: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.168 ! schwarze 1021: pg_noresult(req, 400, "Bad Request",
! 1022: "You entered an invalid query.");
1.149 schwarze 1023: else if (ressz == 0)
1.168 ! schwarze 1024: pg_noresult(req, 404, "Not Found", "No results found.");
1.59 schwarze 1025: else
1.72 schwarze 1026: pg_searchres(req, res, ressz);
1.6 kristaps 1027:
1.97 schwarze 1028: free(query);
1029: mansearch_free(res, ressz);
1.52 schwarze 1030: free(paths.paths[0]);
1031: free(paths.paths);
1.1 kristaps 1032: }
1033:
1034: int
1035: main(void)
1036: {
1.66 schwarze 1037: struct req req;
1.95 schwarze 1038: struct itimerval itimer;
1.66 schwarze 1039: const char *path;
1.83 schwarze 1040: const char *querystring;
1.1 kristaps 1041: int i;
1.148 schwarze 1042:
1043: #if HAVE_PLEDGE
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: }
1057: #endif
1.95 schwarze 1058:
1059: /* Poor man's ReDoS mitigation. */
1060:
1.99 schwarze 1061: itimer.it_value.tv_sec = 2;
1.95 schwarze 1062: itimer.it_value.tv_usec = 0;
1.99 schwarze 1063: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1064: itimer.it_interval.tv_usec = 0;
1065: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1066: warn("setitimer");
1.80 schwarze 1067: pg_error_internal();
1.109 schwarze 1068: return EXIT_FAILURE;
1.80 schwarze 1069: }
1070:
1.24 kristaps 1071: /*
1.67 schwarze 1072: * First we change directory into the MAN_DIR so that
1.24 kristaps 1073: * subsequent scanning for manpath directories is rooted
1074: * relative to the same position.
1075: */
1076:
1.128 schwarze 1077: if (chdir(MAN_DIR) == -1) {
1078: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1079: pg_error_internal();
1.109 schwarze 1080: return EXIT_FAILURE;
1.104 schwarze 1081: }
1.24 kristaps 1082:
1083: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1084: req.q.equal = 1;
1.129 schwarze 1085: parse_manpath_conf(&req);
1.1 kristaps 1086:
1.117 schwarze 1087: /* Parse the path info and the query string. */
1.1 kristaps 1088:
1.117 schwarze 1089: if ((path = getenv("PATH_INFO")) == NULL)
1090: path = "";
1091: else if (*path == '/')
1092: path++;
1093:
1.124 schwarze 1094: if (*path != '\0') {
1.129 schwarze 1095: parse_path_info(&req, path);
1.154 schwarze 1096: if (req.q.manpath == NULL || req.q.sec == NULL ||
1097: *req.q.query == '\0' || access(path, F_OK) == -1)
1.124 schwarze 1098: path = "";
1.117 schwarze 1099: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1100: parse_query_string(&req, querystring);
1.77 schwarze 1101:
1.117 schwarze 1102: /* Validate parsed data and add defaults. */
1103:
1.102 schwarze 1104: if (req.q.manpath == NULL)
1105: req.q.manpath = mandoc_strdup(req.p[0]);
1106: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1107: pg_error_badrequest(
1108: "You specified an invalid manpath.");
1.109 schwarze 1109: return EXIT_FAILURE;
1.77 schwarze 1110: }
1.1 kristaps 1111:
1.159 schwarze 1112: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.80 schwarze 1113: pg_error_badrequest(
1114: "You specified an invalid architecture.");
1.109 schwarze 1115: return EXIT_FAILURE;
1.80 schwarze 1116: }
1117:
1.66 schwarze 1118: /* Dispatch to the three different pages. */
1.1 kristaps 1119:
1.66 schwarze 1120: if ('\0' != *path)
1121: pg_show(&req, path);
1.85 schwarze 1122: else if (NULL != req.q.query)
1.66 schwarze 1123: pg_search(&req);
1124: else
1.72 schwarze 1125: pg_index(&req);
1.1 kristaps 1126:
1.83 schwarze 1127: free(req.q.manpath);
1128: free(req.q.arch);
1129: free(req.q.sec);
1.85 schwarze 1130: free(req.q.query);
1.52 schwarze 1131: for (i = 0; i < (int)req.psz; i++)
1132: free(req.p[i]);
1.24 kristaps 1133: free(req.p);
1.109 schwarze 1134: return EXIT_SUCCESS;
1.117 schwarze 1135: }
1136:
1137: /*
1.161 schwarze 1138: * Translate PATH_INFO to a query.
1.117 schwarze 1139: */
1140: static void
1.129 schwarze 1141: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1142: {
1.161 schwarze 1143: const char *name, *sec, *end;
1.117 schwarze 1144:
1.121 schwarze 1145: req->isquery = 0;
1.117 schwarze 1146: req->q.equal = 1;
1.161 schwarze 1147: req->q.manpath = NULL;
1.135 schwarze 1148: req->q.arch = NULL;
1.117 schwarze 1149:
1150: /* Mandatory manual page name. */
1.161 schwarze 1151: if ((name = strrchr(path, '/')) == NULL)
1152: name = path;
1153: else
1154: name++;
1.117 schwarze 1155:
1156: /* Optional trailing section. */
1.161 schwarze 1157: sec = strrchr(name, '.');
1158: if (sec != NULL && isdigit((unsigned char)*++sec)) {
1159: req->q.query = mandoc_strndup(name, sec - name - 1);
1160: req->q.sec = mandoc_strdup(sec);
1161: } else {
1162: req->q.query = mandoc_strdup(name);
1163: req->q.sec = NULL;
1.117 schwarze 1164: }
1165:
1166: /* Handle the case of name[.section] only. */
1.161 schwarze 1167: if (name == path)
1.117 schwarze 1168: return;
1169:
1.135 schwarze 1170: /* Optional manpath. */
1.161 schwarze 1171: end = strchr(path, '/');
1172: req->q.manpath = mandoc_strndup(path, end - path);
1173: if (validate_manpath(req, req->q.manpath)) {
1174: path = end + 1;
1175: if (name == path)
1176: return;
1177: } else {
1178: free(req->q.manpath);
1.135 schwarze 1179: req->q.manpath = NULL;
1.161 schwarze 1180: }
1.117 schwarze 1181:
1.135 schwarze 1182: /* Optional section. */
1.165 schwarze 1183: if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
1.161 schwarze 1184: path += 3;
1185: end = strchr(path, '/');
1.127 schwarze 1186: free(req->q.sec);
1.161 schwarze 1187: req->q.sec = mandoc_strndup(path, end - path);
1188: path = end + 1;
1189: if (name == path)
1190: return;
1.117 schwarze 1191: }
1.161 schwarze 1192:
1193: /* Optional architecture. */
1194: end = strchr(path, '/');
1195: if (end + 1 != name) {
1196: pg_error_badrequest(
1197: "You specified too many directory components.");
1198: exit(EXIT_FAILURE);
1.135 schwarze 1199: }
1.161 schwarze 1200: req->q.arch = mandoc_strndup(path, end - path);
1201: if (validate_arch(req->q.arch) == 0) {
1.135 schwarze 1202: pg_error_badrequest(
1203: "You specified an invalid directory component.");
1204: exit(EXIT_FAILURE);
1205: }
1.24 kristaps 1206: }
1207:
1208: /*
1209: * Scan for indexable paths.
1210: */
1211: static void
1.129 schwarze 1212: parse_manpath_conf(struct req *req)
1.24 kristaps 1213: {
1.54 schwarze 1214: FILE *fp;
1215: char *dp;
1216: size_t dpsz;
1.115 schwarze 1217: ssize_t len;
1.54 schwarze 1218:
1.128 schwarze 1219: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1220: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1221: pg_error_internal();
1222: exit(EXIT_FAILURE);
1223: }
1.24 kristaps 1224:
1.115 schwarze 1225: dp = NULL;
1226: dpsz = 0;
1227:
1228: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1229: if (dp[len - 1] == '\n')
1230: dp[--len] = '\0';
1.54 schwarze 1231: req->p = mandoc_realloc(req->p,
1232: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1233: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1234: warnx("%s/manpath.conf contains "
1235: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1236: pg_error_internal();
1237: exit(EXIT_FAILURE);
1238: }
1.128 schwarze 1239: if (strchr(dp, '/') != NULL) {
1240: warnx("%s/manpath.conf contains "
1241: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1242: pg_error_internal();
1243: exit(EXIT_FAILURE);
1244: }
1245: req->p[req->psz++] = dp;
1.115 schwarze 1246: dp = NULL;
1247: dpsz = 0;
1.74 schwarze 1248: }
1.115 schwarze 1249: free(dp);
1.74 schwarze 1250:
1.128 schwarze 1251: if (req->p == NULL) {
1252: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1253: pg_error_internal();
1254: exit(EXIT_FAILURE);
1.24 kristaps 1255: }
1256: }
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