Annotation of src/usr.bin/mandoc/cgi.c, Revision 1.115
1.115 ! deraadt 1: /* $OpenBSD: cgi.c,v 1.114 2021/08/19 15:21:32 schwarze Exp $ */
1.1 schwarze 2: /*
1.114 schwarze 3: * Copyright (c) 2014-2019, 2021 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[] = {
1.111 schwarze 121: "amd64", "alpha", "armv7", "arm64",
122: "hppa", "i386", "landisk", "loongson",
123: "luna88k", "macppc", "mips64", "octeon",
1.113 visa 124: "powerpc64", "riscv64", "sparc64",
1.111 schwarze 125:
1.76 schwarze 126: "amiga", "arc", "armish", "arm32",
127: "atari", "aviion", "beagle", "cats",
128: "hppa64", "hp300",
1.64 schwarze 129: "ia64", "mac68k", "mvme68k", "mvme88k",
130: "mvmeppc", "palm", "pc532", "pegasos",
1.113 visa 131: "pmax", "powerpc", "sgi", "socppc",
132: "solbourne", "sparc",
1.79 schwarze 133: "sun3", "vax", "wgrisc", "x68k",
134: "zaurus"
1.8 schwarze 135: };
136: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
137:
1.1 schwarze 138: /*
139: * Print a character, escaping HTML along the way.
140: * This will pass non-ASCII straight to output: be warned!
141: */
142: static void
143: html_putchar(char c)
144: {
145:
146: switch (c) {
1.93 schwarze 147: case '"':
1.80 bentley 148: printf(""");
1.1 schwarze 149: break;
1.93 schwarze 150: case '&':
1.1 schwarze 151: printf("&");
152: break;
1.93 schwarze 153: case '>':
1.1 schwarze 154: printf(">");
155: break;
1.93 schwarze 156: case '<':
1.1 schwarze 157: printf("<");
158: break;
159: default:
160: putchar((unsigned char)c);
161: break;
162: }
163: }
164:
165: /*
166: * Call through to html_putchar().
167: * Accepts NULL strings.
168: */
169: static void
170: html_print(const char *p)
171: {
1.43 schwarze 172:
1.1 schwarze 173: if (NULL == p)
174: return;
175: while ('\0' != *p)
176: html_putchar(*p++);
177: }
178:
179: /*
1.23 schwarze 180: * Transfer the responsibility for the allocated string *val
181: * to the query structure.
1.1 schwarze 182: */
183: static void
1.23 schwarze 184: set_query_attr(char **attr, char **val)
1.1 schwarze 185: {
186:
1.23 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
1.68 schwarze 201: parse_query_string(struct req *req, const char *qs)
1.23 schwarze 202: {
203: char *key, *val;
204: size_t keysz, valsz;
205:
1.60 schwarze 206: req->isquery = 1;
1.23 schwarze 207: req->q.manpath = NULL;
208: req->q.arch = NULL;
209: req->q.sec = NULL;
1.25 schwarze 210: req->q.query = NULL;
1.23 schwarze 211: req->q.equal = 1;
212:
213: key = val = NULL;
214: while (*qs != '\0') {
1.1 schwarze 215:
1.23 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 schwarze 231:
1.23 schwarze 232: if ( ! (http_decode(key) && http_decode(val)))
233: goto next;
1.1 schwarze 234:
1.23 schwarze 235: /* Handle key-value pairs. */
1.1 schwarze 236:
1.23 schwarze 237: if ( ! strcmp(key, "query"))
1.25 schwarze 238: set_query_attr(&req->q.query, &val);
1.1 schwarze 239:
1.23 schwarze 240: else if ( ! strcmp(key, "apropos"))
241: req->q.equal = !strcmp(val, "0");
242:
243: else if ( ! strcmp(key, "manpath")) {
1.13 schwarze 244: #ifdef COMPAT_OLDURI
1.23 schwarze 245: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.13 schwarze 246: val[7] = '-';
247: if ('C' == val[8])
248: val[8] = 'c';
249: }
250: #endif
1.23 schwarze 251: set_query_attr(&req->q.manpath, &val);
252: }
253:
254: else if ( ! (strcmp(key, "sec")
1.13 schwarze 255: #ifdef COMPAT_OLDURI
1.23 schwarze 256: && strcmp(key, "sektion")
1.13 schwarze 257: #endif
1.23 schwarze 258: )) {
259: if ( ! strcmp(val, "0"))
260: *val = '\0';
261: set_query_attr(&req->q.sec, &val);
1.5 schwarze 262: }
1.23 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++;
1.1 schwarze 283: }
284: }
285:
286: /*
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.
290: */
291: static int
292: http_decode(char *p)
293: {
294: char hex[3];
1.3 tedu 295: char *q;
1.1 schwarze 296: int c;
297:
298: hex[2] = '\0';
299:
1.3 tedu 300: q = p;
301: for ( ; '\0' != *p; p++, q++) {
1.1 schwarze 302: if ('%' == *p) {
303: if ('\0' == (hex[0] = *(p + 1)))
1.48 schwarze 304: return 0;
1.1 schwarze 305: if ('\0' == (hex[1] = *(p + 2)))
1.48 schwarze 306: return 0;
1.1 schwarze 307: if (1 != sscanf(hex, "%x", &c))
1.48 schwarze 308: return 0;
1.1 schwarze 309: if ('\0' == c)
1.48 schwarze 310: return 0;
1.1 schwarze 311:
1.3 tedu 312: *q = (char)c;
313: p += 2;
1.1 schwarze 314: } else
1.3 tedu 315: *q = '+' == *p ? ' ' : *p;
1.1 schwarze 316: }
317:
1.3 tedu 318: *q = '\0';
1.48 schwarze 319: return 1;
1.1 schwarze 320: }
321:
322: static void
1.97 schwarze 323: http_encode(const char *p)
324: {
325: for (; *p != '\0'; p++) {
326: if (isalnum((unsigned char)*p) == 0 &&
327: strchr("-._~", *p) == NULL)
1.104 schwarze 328: printf("%%%2.2X", (unsigned char)*p);
1.97 schwarze 329: else
330: putchar(*p);
331: }
332: }
333:
334: static void
1.1 schwarze 335: resp_begin_http(int code, const char *msg)
336: {
337:
338: if (200 != code)
1.2 tedu 339: printf("Status: %d %s\r\n", code, msg);
1.1 schwarze 340:
1.2 tedu 341: printf("Content-Type: text/html; charset=utf-8\r\n"
342: "Cache-Control: no-cache\r\n"
1.107 bentley 343: "Content-Security-Policy: default-src 'none'; "
344: "style-src 'self' 'unsafe-inline'\r\n"
1.2 tedu 345: "Pragma: no-cache\r\n"
346: "\r\n");
1.1 schwarze 347:
348: fflush(stdout);
349: }
350:
351: static void
1.53 schwarze 352: resp_copy(const char *filename)
353: {
354: char buf[4096];
355: ssize_t sz;
356: int fd;
357:
358: if ((fd = open(filename, O_RDONLY)) != -1) {
359: fflush(stdout);
360: while ((sz = read(fd, buf, sizeof(buf))) > 0)
361: write(STDOUT_FILENO, buf, sz);
1.77 jsg 362: close(fd);
1.53 schwarze 363: }
364: }
365:
366: static void
1.88 schwarze 367: resp_begin_html(int code, const char *msg, const char *file)
1.1 schwarze 368: {
1.114 schwarze 369: const char *name, *sec, *cp;
370: int namesz, secsz;
1.1 schwarze 371:
372: resp_begin_http(code, msg);
373:
1.37 schwarze 374: printf("<!DOCTYPE html>\n"
1.65 schwarze 375: "<html>\n"
376: "<head>\n"
1.82 schwarze 377: " <meta charset=\"UTF-8\"/>\n"
1.95 schwarze 378: " <meta name=\"viewport\""
379: " content=\"width=device-width, initial-scale=1.0\">\n"
1.82 schwarze 380: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.65 schwarze 381: " type=\"text/css\" media=\"all\">\n"
1.88 schwarze 382: " <title>",
383: CSS_DIR);
384: if (file != NULL) {
1.114 schwarze 385: cp = strrchr(file, '/');
386: name = cp == NULL ? file : cp + 1;
387: cp = strrchr(name, '.');
388: namesz = cp == NULL ? strlen(name) : cp - name;
389: sec = NULL;
390: if (cp != NULL && cp[1] != '0') {
391: sec = cp + 1;
392: secsz = strlen(sec);
393: } else if (name - file > 1) {
394: for (cp = name - 2; cp >= file; cp--) {
395: if (*cp < '1' || *cp > '9')
396: continue;
397: sec = cp;
398: secsz = name - cp - 1;
399: break;
400: }
401: }
402: printf("%.*s", namesz, name);
403: if (sec != NULL)
404: printf("(%.*s)", secsz, sec);
405: fputs(" - ", stdout);
1.88 schwarze 406: }
407: printf("%s</title>\n"
1.65 schwarze 408: "</head>\n"
1.81 schwarze 409: "<body>\n",
1.88 schwarze 410: CUSTOMIZE_TITLE);
1.53 schwarze 411:
412: resp_copy(MAN_DIR "/header.html");
1.1 schwarze 413: }
414:
415: static void
416: resp_end_html(void)
417: {
418:
1.53 schwarze 419: resp_copy(MAN_DIR "/footer.html");
420:
1.65 schwarze 421: puts("</body>\n"
422: "</html>");
1.1 schwarze 423: }
424:
425: static void
1.70 schwarze 426: resp_searchform(const struct req *req, enum focus focus)
1.1 schwarze 427: {
428: int i;
429:
1.109 schwarze 430: printf("<form action=\"/%s\" method=\"get\" "
431: "autocomplete=\"off\" autocapitalize=\"none\">\n"
1.82 schwarze 432: " <fieldset>\n"
433: " <legend>Manual Page Search Parameters</legend>\n",
1.1 schwarze 434: scriptname);
1.8 schwarze 435:
436: /* Write query input box. */
437:
1.96 schwarze 438: printf(" <input type=\"search\" name=\"query\" value=\"");
1.70 schwarze 439: if (req->q.query != NULL)
1.25 schwarze 440: html_print(req->q.query);
1.70 schwarze 441: printf( "\" size=\"40\"");
442: if (focus == FOCUS_QUERY)
443: printf(" autofocus");
444: puts(">");
1.8 schwarze 445:
1.71 schwarze 446: /* Write submission buttons. */
1.8 schwarze 447:
1.82 schwarze 448: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.71 schwarze 449: "man</button>\n"
1.82 schwarze 450: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
451: "apropos</button>\n"
452: " <br/>\n");
1.8 schwarze 453:
454: /* Write section selector. */
455:
1.82 schwarze 456: puts(" <select name=\"sec\">");
1.8 schwarze 457: for (i = 0; i < sec_MAX; i++) {
1.82 schwarze 458: printf(" <option value=\"%s\"", sec_numbers[i]);
1.8 schwarze 459: if (NULL != req->q.sec &&
460: 0 == strcmp(sec_numbers[i], req->q.sec))
1.65 schwarze 461: printf(" selected=\"selected\"");
462: printf(">%s</option>\n", sec_names[i]);
1.8 schwarze 463: }
1.82 schwarze 464: puts(" </select>");
1.8 schwarze 465:
466: /* Write architecture selector. */
467:
1.82 schwarze 468: printf( " <select name=\"arch\">\n"
469: " <option value=\"default\"");
1.21 schwarze 470: if (NULL == req->q.arch)
1.65 schwarze 471: printf(" selected=\"selected\"");
472: puts(">All Architectures</option>");
1.8 schwarze 473: for (i = 0; i < arch_MAX; i++) {
1.96 schwarze 474: printf(" <option");
1.8 schwarze 475: if (NULL != req->q.arch &&
476: 0 == strcmp(arch_names[i], req->q.arch))
1.65 schwarze 477: printf(" selected=\"selected\"");
478: printf(">%s</option>\n", arch_names[i]);
1.8 schwarze 479: }
1.82 schwarze 480: puts(" </select>");
1.8 schwarze 481:
482: /* Write manpath selector. */
483:
1.1 schwarze 484: if (req->psz > 1) {
1.82 schwarze 485: puts(" <select name=\"manpath\">");
1.1 schwarze 486: for (i = 0; i < (int)req->psz; i++) {
1.96 schwarze 487: printf(" <option");
1.41 schwarze 488: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.96 schwarze 489: printf(" selected=\"selected\"");
490: printf(">");
1.1 schwarze 491: html_print(req->p[i]);
1.65 schwarze 492: puts("</option>");
1.1 schwarze 493: }
1.82 schwarze 494: puts(" </select>");
1.1 schwarze 495: }
1.8 schwarze 496:
1.82 schwarze 497: puts(" </fieldset>\n"
1.81 schwarze 498: "</form>");
1.1 schwarze 499: }
500:
1.16 schwarze 501: static int
1.20 schwarze 502: validate_urifrag(const char *frag)
503: {
504:
505: while ('\0' != *frag) {
506: if ( ! (isalnum((unsigned char)*frag) ||
507: '-' == *frag || '.' == *frag ||
508: '/' == *frag || '_' == *frag))
1.48 schwarze 509: return 0;
1.20 schwarze 510: frag++;
511: }
1.48 schwarze 512: return 1;
1.20 schwarze 513: }
514:
515: static int
1.17 schwarze 516: validate_manpath(const struct req *req, const char* manpath)
517: {
518: size_t i;
519:
520: for (i = 0; i < req->psz; i++)
521: if ( ! strcmp(manpath, req->p[i]))
1.48 schwarze 522: return 1;
1.17 schwarze 523:
1.48 schwarze 524: return 0;
1.17 schwarze 525: }
526:
527: static int
1.97 schwarze 528: validate_arch(const char *arch)
529: {
530: int i;
531:
532: for (i = 0; i < arch_MAX; i++)
533: if (strcmp(arch, arch_names[i]) == 0)
534: return 1;
535:
536: return 0;
537: }
538:
539: static int
1.16 schwarze 540: validate_filename(const char *file)
541: {
542:
543: if ('.' == file[0] && '/' == file[1])
544: file += 2;
545:
1.48 schwarze 546: return ! (strstr(file, "../") || strstr(file, "/..") ||
547: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.16 schwarze 548: }
549:
1.1 schwarze 550: static void
1.12 schwarze 551: pg_index(const struct req *req)
1.1 schwarze 552: {
553:
1.88 schwarze 554: resp_begin_html(200, NULL, NULL);
1.70 schwarze 555: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 556: printf("<p>\n"
1.26 schwarze 557: "This web interface is documented in the\n"
1.83 schwarze 558: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.26 schwarze 559: "manual, and the\n"
1.83 schwarze 560: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.9 schwarze 561: "manual explains the query syntax.\n"
1.65 schwarze 562: "</p>\n",
1.58 schwarze 563: scriptname, *scriptname == '\0' ? "" : "/",
564: scriptname, *scriptname == '\0' ? "" : "/");
1.1 schwarze 565: resp_end_html();
566: }
567:
568: static void
1.106 schwarze 569: pg_noresult(const struct req *req, int code, const char *http_msg,
570: const char *user_msg)
1.1 schwarze 571: {
1.106 schwarze 572: resp_begin_html(code, http_msg, NULL);
1.70 schwarze 573: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 574: puts("<p>");
1.106 schwarze 575: puts(user_msg);
1.65 schwarze 576: puts("</p>");
1.1 schwarze 577: resp_end_html();
578: }
579:
580: static void
1.12 schwarze 581: pg_error_badrequest(const char *msg)
1.1 schwarze 582: {
583:
1.88 schwarze 584: resp_begin_html(400, "Bad Request", NULL);
1.65 schwarze 585: puts("<h1>Bad Request</h1>\n"
586: "<p>\n");
1.1 schwarze 587: puts(msg);
588: printf("Try again from the\n"
1.65 schwarze 589: "<a href=\"/%s\">main page</a>.\n"
590: "</p>", scriptname);
1.1 schwarze 591: resp_end_html();
592: }
593:
594: static void
1.12 schwarze 595: pg_error_internal(void)
1.1 schwarze 596: {
1.88 schwarze 597: resp_begin_html(500, "Internal Server Error", NULL);
1.65 schwarze 598: puts("<p>Internal Server Error</p>");
1.1 schwarze 599: resp_end_html();
600: }
601:
602: static void
1.87 schwarze 603: pg_redirect(const struct req *req, const char *name)
604: {
1.91 schwarze 605: printf("Status: 303 See Other\r\n"
606: "Location: /");
1.87 schwarze 607: if (*scriptname != '\0')
608: printf("%s/", scriptname);
609: if (strcmp(req->q.manpath, req->p[0]))
610: printf("%s/", req->q.manpath);
611: if (req->q.arch != NULL)
612: printf("%s/", req->q.arch);
1.97 schwarze 613: http_encode(name);
614: if (req->q.sec != NULL) {
615: putchar('.');
616: http_encode(req->q.sec);
617: }
1.87 schwarze 618: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
619: }
620:
621: static void
1.12 schwarze 622: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 schwarze 623: {
1.21 schwarze 624: char *arch, *archend;
1.59 schwarze 625: const char *sec;
626: size_t i, iuse;
1.21 schwarze 627: int archprio, archpriouse;
1.10 schwarze 628: int prio, priouse;
1.1 schwarze 629:
1.16 schwarze 630: for (i = 0; i < sz; i++) {
631: if (validate_filename(r[i].file))
632: continue;
1.67 schwarze 633: warnx("invalid filename %s in %s database",
1.16 schwarze 634: r[i].file, req->q.manpath);
635: pg_error_internal();
636: return;
637: }
638:
1.60 schwarze 639: if (req->isquery && sz == 1) {
1.1 schwarze 640: /*
641: * If we have just one result, then jump there now
642: * without any delay.
643: */
1.91 schwarze 644: printf("Status: 303 See Other\r\n"
645: "Location: /");
646: if (*scriptname != '\0')
647: printf("%s/", scriptname);
648: if (strcmp(req->q.manpath, req->p[0]))
649: printf("%s/", req->q.manpath);
650: printf("%s\r\n"
651: "Content-Type: text/html; charset=utf-8\r\n\r\n",
652: r[0].file);
1.1 schwarze 653: return;
654: }
655:
1.10 schwarze 656: /*
657: * In man(1) mode, show one of the pages
658: * even if more than one is found.
659: */
660:
1.88 schwarze 661: iuse = 0;
1.62 schwarze 662: if (req->q.equal || sz == 1) {
1.59 schwarze 663: priouse = 20;
1.21 schwarze 664: archpriouse = 3;
1.10 schwarze 665: for (i = 0; i < sz; i++) {
1.59 schwarze 666: sec = r[i].file;
667: sec += strcspn(sec, "123456789");
668: if (sec[0] == '\0')
1.10 schwarze 669: continue;
1.59 schwarze 670: prio = sec_prios[sec[0] - '1'];
671: if (sec[1] != '/')
672: prio += 10;
673: if (req->q.arch == NULL) {
1.21 schwarze 674: archprio =
1.59 schwarze 675: ((arch = strchr(sec + 1, '/'))
676: == NULL) ? 3 :
677: ((archend = strchr(arch + 1, '/'))
678: == NULL) ? 0 :
1.21 schwarze 679: strncmp(arch, "amd64/",
680: archend - arch) ? 2 : 1;
681: if (archprio < archpriouse) {
682: archpriouse = archprio;
683: priouse = prio;
684: iuse = i;
685: continue;
686: }
687: if (archprio > archpriouse)
688: continue;
689: }
1.10 schwarze 690: if (prio >= priouse)
691: continue;
692: priouse = prio;
693: iuse = i;
694: }
1.88 schwarze 695: resp_begin_html(200, NULL, r[iuse].file);
696: } else
697: resp_begin_html(200, NULL, NULL);
698:
699: resp_searchform(req,
700: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
701:
702: if (sz > 1) {
703: puts("<table class=\"results\">");
704: for (i = 0; i < sz; i++) {
705: printf(" <tr>\n"
706: " <td>"
1.89 schwarze 707: "<a class=\"Xr\" href=\"/");
708: if (*scriptname != '\0')
709: printf("%s/", scriptname);
710: if (strcmp(req->q.manpath, req->p[0]))
711: printf("%s/", req->q.manpath);
712: printf("%s\">", r[i].file);
1.88 schwarze 713: html_print(r[i].names);
714: printf("</a></td>\n"
715: " <td><span class=\"Nd\">");
716: html_print(r[i].output);
717: puts("</span></td>\n"
718: " </tr>");
719: }
720: puts("</table>");
721: }
722:
723: if (req->q.equal || sz == 1) {
724: puts("<hr>");
1.10 schwarze 725: resp_show(req, r[iuse].file);
726: }
727:
1.1 schwarze 728: resp_end_html();
729: }
730:
731: static void
1.68 schwarze 732: resp_catman(const struct req *req, const char *file)
1.1 schwarze 733: {
734: FILE *f;
1.54 schwarze 735: char *p;
736: size_t sz;
737: ssize_t len;
1.1 schwarze 738: int i;
739: int italic, bold;
740:
1.54 schwarze 741: if ((f = fopen(file, "r")) == NULL) {
1.65 schwarze 742: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 743: return;
744: }
745:
1.65 schwarze 746: puts("<div class=\"catman\">\n"
747: "<pre>");
1.1 schwarze 748:
1.54 schwarze 749: p = NULL;
750: sz = 0;
751:
752: while ((len = getline(&p, &sz, f)) != -1) {
1.1 schwarze 753: bold = italic = 0;
1.54 schwarze 754: for (i = 0; i < len - 1; i++) {
1.43 schwarze 755: /*
1.1 schwarze 756: * This means that the catpage is out of state.
757: * Ignore it and keep going (although the
758: * catpage is bogus).
759: */
760:
761: if ('\b' == p[i] || '\n' == p[i])
762: continue;
763:
764: /*
765: * Print a regular character.
766: * Close out any bold/italic scopes.
767: * If we're in back-space mode, make sure we'll
768: * have something to enter when we backspace.
769: */
770:
771: if ('\b' != p[i + 1]) {
772: if (italic)
1.65 schwarze 773: printf("</i>");
1.1 schwarze 774: if (bold)
1.65 schwarze 775: printf("</b>");
1.1 schwarze 776: italic = bold = 0;
777: html_putchar(p[i]);
778: continue;
1.54 schwarze 779: } else if (i + 2 >= len)
1.1 schwarze 780: continue;
781:
782: /* Italic mode. */
783:
784: if ('_' == p[i]) {
785: if (bold)
1.65 schwarze 786: printf("</b>");
1.1 schwarze 787: if ( ! italic)
1.65 schwarze 788: printf("<i>");
1.1 schwarze 789: bold = 0;
790: italic = 1;
791: i += 2;
792: html_putchar(p[i]);
793: continue;
794: }
795:
1.43 schwarze 796: /*
1.1 schwarze 797: * Handle funny behaviour troff-isms.
798: * These grok'd from the original man2html.c.
799: */
800:
801: if (('+' == p[i] && 'o' == p[i + 2]) ||
802: ('o' == p[i] && '+' == p[i + 2]) ||
803: ('|' == p[i] && '=' == p[i + 2]) ||
804: ('=' == p[i] && '|' == p[i + 2]) ||
805: ('*' == p[i] && '=' == p[i + 2]) ||
806: ('=' == p[i] && '*' == p[i + 2]) ||
807: ('*' == p[i] && '|' == p[i + 2]) ||
808: ('|' == p[i] && '*' == p[i + 2])) {
809: if (italic)
1.65 schwarze 810: printf("</i>");
1.1 schwarze 811: if (bold)
1.65 schwarze 812: printf("</b>");
1.1 schwarze 813: italic = bold = 0;
814: putchar('*');
815: i += 2;
816: continue;
817: } else if (('|' == p[i] && '-' == p[i + 2]) ||
818: ('-' == p[i] && '|' == p[i + 1]) ||
819: ('+' == p[i] && '-' == p[i + 1]) ||
820: ('-' == p[i] && '+' == p[i + 1]) ||
821: ('+' == p[i] && '|' == p[i + 1]) ||
822: ('|' == p[i] && '+' == p[i + 1])) {
823: if (italic)
1.65 schwarze 824: printf("</i>");
1.1 schwarze 825: if (bold)
1.65 schwarze 826: printf("</b>");
1.1 schwarze 827: italic = bold = 0;
828: putchar('+');
829: i += 2;
830: continue;
831: }
832:
833: /* Bold mode. */
1.43 schwarze 834:
1.1 schwarze 835: if (italic)
1.65 schwarze 836: printf("</i>");
1.1 schwarze 837: if ( ! bold)
1.65 schwarze 838: printf("<b>");
1.1 schwarze 839: bold = 1;
840: italic = 0;
841: i += 2;
842: html_putchar(p[i]);
843: }
844:
1.43 schwarze 845: /*
1.1 schwarze 846: * Clean up the last character.
1.43 schwarze 847: * We can get to a newline; don't print that.
1.1 schwarze 848: */
849:
850: if (italic)
1.65 schwarze 851: printf("</i>");
1.1 schwarze 852: if (bold)
1.65 schwarze 853: printf("</b>");
1.1 schwarze 854:
1.54 schwarze 855: if (i == len - 1 && p[i] != '\n')
1.1 schwarze 856: html_putchar(p[i]);
857:
858: putchar('\n');
859: }
1.54 schwarze 860: free(p);
1.1 schwarze 861:
1.65 schwarze 862: puts("</pre>\n"
863: "</div>");
1.1 schwarze 864:
865: fclose(f);
866: }
867:
868: static void
1.68 schwarze 869: resp_format(const struct req *req, const char *file)
1.1 schwarze 870: {
1.45 schwarze 871: struct manoutput conf;
1.1 schwarze 872: struct mparse *mp;
1.102 schwarze 873: struct roff_meta *meta;
1.1 schwarze 874: void *vp;
1.30 schwarze 875: int fd;
876: int usepath;
1.1 schwarze 877:
1.115 ! deraadt 878: if (-1 == (fd = open(file, O_RDONLY))) {
1.65 schwarze 879: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 880: return;
881: }
882:
1.49 schwarze 883: mchars_alloc();
1.102 schwarze 884: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
885: MPARSE_VALIDATE, MANDOC_OS_OTHER, req->q.manpath);
1.42 schwarze 886: mparse_readfd(mp, fd, file);
1.1 schwarze 887: close(fd);
1.102 schwarze 888: meta = mparse_result(mp);
1.1 schwarze 889:
1.45 schwarze 890: memset(&conf, 0, sizeof(conf));
891: conf.fragment = 1;
1.84 schwarze 892: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.30 schwarze 893: usepath = strcmp(req->q.manpath, req->p[0]);
1.90 schwarze 894: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
895: scriptname, *scriptname == '\0' ? "" : "/",
1.61 schwarze 896: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.1 schwarze 897:
1.49 schwarze 898: vp = html_alloc(&conf);
1.102 schwarze 899: if (meta->macroset == MACROSET_MDOC)
900: html_mdoc(vp, meta);
901: else
902: html_man(vp, meta);
1.1 schwarze 903:
904: html_free(vp);
905: mparse_free(mp);
1.49 schwarze 906: mchars_free();
1.45 schwarze 907: free(conf.man);
1.84 schwarze 908: free(conf.style);
1.1 schwarze 909: }
910:
911: static void
1.10 schwarze 912: resp_show(const struct req *req, const char *file)
913: {
1.16 schwarze 914:
915: if ('.' == file[0] && '/' == file[1])
1.11 schwarze 916: file += 2;
1.10 schwarze 917:
918: if ('c' == *file)
1.68 schwarze 919: resp_catman(req, file);
1.10 schwarze 920: else
1.68 schwarze 921: resp_format(req, file);
1.10 schwarze 922: }
923:
924: static void
1.24 schwarze 925: pg_show(struct req *req, const char *fullpath)
1.1 schwarze 926: {
1.24 schwarze 927: char *manpath;
928: const char *file;
1.1 schwarze 929:
1.24 schwarze 930: if ((file = strchr(fullpath, '/')) == NULL) {
1.12 schwarze 931: pg_error_badrequest(
1.1 schwarze 932: "You did not specify a page to show.");
933: return;
1.43 schwarze 934: }
1.24 schwarze 935: manpath = mandoc_strndup(fullpath, file - fullpath);
936: file++;
1.1 schwarze 937:
1.24 schwarze 938: if ( ! validate_manpath(req, manpath)) {
1.17 schwarze 939: pg_error_badrequest(
940: "You specified an invalid manpath.");
1.24 schwarze 941: free(manpath);
1.17 schwarze 942: return;
943: }
944:
1.1 schwarze 945: /*
946: * Begin by chdir()ing into the manpath.
947: * This way we can pick up the database files, which are
948: * relative to the manpath root.
949: */
950:
1.24 schwarze 951: if (chdir(manpath) == -1) {
1.67 schwarze 952: warn("chdir %s", manpath);
1.17 schwarze 953: pg_error_internal();
1.24 schwarze 954: free(manpath);
1.16 schwarze 955: return;
956: }
1.73 schwarze 957: free(manpath);
1.24 schwarze 958:
959: if ( ! validate_filename(file)) {
1.16 schwarze 960: pg_error_badrequest(
961: "You specified an invalid manual file.");
1.1 schwarze 962: return;
963: }
1.19 schwarze 964:
1.88 schwarze 965: resp_begin_html(200, NULL, file);
1.70 schwarze 966: resp_searchform(req, FOCUS_NONE);
1.24 schwarze 967: resp_show(req, file);
1.10 schwarze 968: resp_end_html();
1.1 schwarze 969: }
970:
971: static void
1.6 schwarze 972: pg_search(const struct req *req)
1.1 schwarze 973: {
974: struct mansearch search;
975: struct manpaths paths;
976: struct manpage *res;
1.36 schwarze 977: char **argv;
978: char *query, *rp, *wp;
1.1 schwarze 979: size_t ressz;
1.36 schwarze 980: int argc;
1.1 schwarze 981:
982: /*
983: * Begin by chdir()ing into the root of the manpath.
984: * This way we can pick up the database files, which are
985: * relative to the manpath root.
986: */
987:
1.67 schwarze 988: if (chdir(req->q.manpath) == -1) {
989: warn("chdir %s", req->q.manpath);
1.17 schwarze 990: pg_error_internal();
1.1 schwarze 991: return;
992: }
993:
994: search.arch = req->q.arch;
995: search.sec = req->q.sec;
1.35 schwarze 996: search.outkey = "Nd";
997: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.40 schwarze 998: search.firstmatch = 1;
1.1 schwarze 999:
1000: paths.sz = 1;
1001: paths.paths = mandoc_malloc(sizeof(char *));
1002: paths.paths[0] = mandoc_strdup(".");
1003:
1004: /*
1.36 schwarze 1005: * Break apart at spaces with backslash-escaping.
1.1 schwarze 1006: */
1007:
1.36 schwarze 1008: argc = 0;
1009: argv = NULL;
1010: rp = query = mandoc_strdup(req->q.query);
1011: for (;;) {
1012: while (isspace((unsigned char)*rp))
1013: rp++;
1014: if (*rp == '\0')
1015: break;
1016: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
1017: argv[argc++] = wp = rp;
1018: for (;;) {
1019: if (isspace((unsigned char)*rp)) {
1020: *wp = '\0';
1021: rp++;
1022: break;
1023: }
1024: if (rp[0] == '\\' && rp[1] != '\0')
1025: rp++;
1026: if (wp != rp)
1027: *wp = *rp;
1028: if (*rp == '\0')
1029: break;
1030: wp++;
1031: rp++;
1032: }
1.1 schwarze 1033: }
1034:
1.87 schwarze 1035: res = NULL;
1036: ressz = 0;
1037: if (req->isquery && req->q.equal && argc == 1)
1038: pg_redirect(req, argv[0]);
1039: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.106 schwarze 1040: pg_noresult(req, 400, "Bad Request",
1041: "You entered an invalid query.");
1.87 schwarze 1042: else if (ressz == 0)
1.106 schwarze 1043: pg_noresult(req, 404, "Not Found", "No results found.");
1.1 schwarze 1044: else
1.12 schwarze 1045: pg_searchres(req, res, ressz);
1.1 schwarze 1046:
1.36 schwarze 1047: free(query);
1048: mansearch_free(res, ressz);
1.1 schwarze 1049: free(paths.paths[0]);
1050: free(paths.paths);
1051: }
1052:
1053: int
1054: main(void)
1055: {
1.6 schwarze 1056: struct req req;
1.33 schwarze 1057: struct itimerval itimer;
1.6 schwarze 1058: const char *path;
1.23 schwarze 1059: const char *querystring;
1.1 schwarze 1060: int i;
1.86 schwarze 1061:
1062: /*
1063: * The "rpath" pledge could be revoked after mparse_readfd()
1064: * if the file desciptor to "/footer.html" would be opened
1065: * up front, but it's probably not worth the complication
1066: * of the code it would cause: it would require scattering
1067: * pledge() calls in multiple low-level resp_*() functions.
1068: */
1069:
1070: if (pledge("stdio rpath", NULL) == -1) {
1071: warn("pledge");
1072: pg_error_internal();
1073: return EXIT_FAILURE;
1074: }
1.33 schwarze 1075:
1076: /* Poor man's ReDoS mitigation. */
1077:
1.38 schwarze 1078: itimer.it_value.tv_sec = 2;
1.33 schwarze 1079: itimer.it_value.tv_usec = 0;
1.38 schwarze 1080: itimer.it_interval.tv_sec = 2;
1.33 schwarze 1081: itimer.it_interval.tv_usec = 0;
1082: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.67 schwarze 1083: warn("setitimer");
1.20 schwarze 1084: pg_error_internal();
1.48 schwarze 1085: return EXIT_FAILURE;
1.20 schwarze 1086: }
1087:
1.1 schwarze 1088: /*
1.7 schwarze 1089: * First we change directory into the MAN_DIR so that
1.1 schwarze 1090: * subsequent scanning for manpath directories is rooted
1091: * relative to the same position.
1092: */
1093:
1.67 schwarze 1094: if (chdir(MAN_DIR) == -1) {
1095: warn("MAN_DIR: %s", MAN_DIR);
1.12 schwarze 1096: pg_error_internal();
1.48 schwarze 1097: return EXIT_FAILURE;
1.43 schwarze 1098: }
1.1 schwarze 1099:
1100: memset(&req, 0, sizeof(struct req));
1.57 schwarze 1101: req.q.equal = 1;
1.68 schwarze 1102: parse_manpath_conf(&req);
1.1 schwarze 1103:
1.56 schwarze 1104: /* Parse the path info and the query string. */
1.1 schwarze 1105:
1.56 schwarze 1106: if ((path = getenv("PATH_INFO")) == NULL)
1107: path = "";
1108: else if (*path == '/')
1109: path++;
1110:
1.63 schwarze 1111: if (*path != '\0') {
1.68 schwarze 1112: parse_path_info(&req, path);
1.92 schwarze 1113: if (req.q.manpath == NULL || req.q.sec == NULL ||
1114: *req.q.query == '\0' || access(path, F_OK) == -1)
1.63 schwarze 1115: path = "";
1.56 schwarze 1116: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.68 schwarze 1117: parse_query_string(&req, querystring);
1.17 schwarze 1118:
1.56 schwarze 1119: /* Validate parsed data and add defaults. */
1120:
1.41 schwarze 1121: if (req.q.manpath == NULL)
1122: req.q.manpath = mandoc_strdup(req.p[0]);
1123: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.17 schwarze 1124: pg_error_badrequest(
1125: "You specified an invalid manpath.");
1.48 schwarze 1126: return EXIT_FAILURE;
1.17 schwarze 1127: }
1.1 schwarze 1128:
1.97 schwarze 1129: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.20 schwarze 1130: pg_error_badrequest(
1131: "You specified an invalid architecture.");
1.48 schwarze 1132: return EXIT_FAILURE;
1.20 schwarze 1133: }
1134:
1.6 schwarze 1135: /* Dispatch to the three different pages. */
1.1 schwarze 1136:
1.6 schwarze 1137: if ('\0' != *path)
1138: pg_show(&req, path);
1.25 schwarze 1139: else if (NULL != req.q.query)
1.6 schwarze 1140: pg_search(&req);
1141: else
1.12 schwarze 1142: pg_index(&req);
1.1 schwarze 1143:
1.23 schwarze 1144: free(req.q.manpath);
1145: free(req.q.arch);
1146: free(req.q.sec);
1.25 schwarze 1147: free(req.q.query);
1.1 schwarze 1148: for (i = 0; i < (int)req.psz; i++)
1149: free(req.p[i]);
1150: free(req.p);
1.48 schwarze 1151: return EXIT_SUCCESS;
1.56 schwarze 1152: }
1153:
1154: /*
1.99 schwarze 1155: * Translate PATH_INFO to a query.
1.56 schwarze 1156: */
1157: static void
1.68 schwarze 1158: parse_path_info(struct req *req, const char *path)
1.56 schwarze 1159: {
1.99 schwarze 1160: const char *name, *sec, *end;
1.56 schwarze 1161:
1.60 schwarze 1162: req->isquery = 0;
1.56 schwarze 1163: req->q.equal = 1;
1.99 schwarze 1164: req->q.manpath = NULL;
1.74 schwarze 1165: req->q.arch = NULL;
1.56 schwarze 1166:
1167: /* Mandatory manual page name. */
1.99 schwarze 1168: if ((name = strrchr(path, '/')) == NULL)
1169: name = path;
1170: else
1171: name++;
1.56 schwarze 1172:
1173: /* Optional trailing section. */
1.99 schwarze 1174: sec = strrchr(name, '.');
1175: if (sec != NULL && isdigit((unsigned char)*++sec)) {
1176: req->q.query = mandoc_strndup(name, sec - name - 1);
1177: req->q.sec = mandoc_strdup(sec);
1178: } else {
1179: req->q.query = mandoc_strdup(name);
1180: req->q.sec = NULL;
1.56 schwarze 1181: }
1182:
1183: /* Handle the case of name[.section] only. */
1.99 schwarze 1184: if (name == path)
1.56 schwarze 1185: return;
1186:
1.74 schwarze 1187: /* Optional manpath. */
1.99 schwarze 1188: end = strchr(path, '/');
1189: req->q.manpath = mandoc_strndup(path, end - path);
1190: if (validate_manpath(req, req->q.manpath)) {
1191: path = end + 1;
1192: if (name == path)
1193: return;
1194: } else {
1195: free(req->q.manpath);
1.74 schwarze 1196: req->q.manpath = NULL;
1.99 schwarze 1197: }
1.56 schwarze 1198:
1.74 schwarze 1199: /* Optional section. */
1.103 schwarze 1200: if (strncmp(path, "man", 3) == 0 || strncmp(path, "cat", 3) == 0) {
1.99 schwarze 1201: path += 3;
1202: end = strchr(path, '/');
1.66 schwarze 1203: free(req->q.sec);
1.99 schwarze 1204: req->q.sec = mandoc_strndup(path, end - path);
1205: path = end + 1;
1206: if (name == path)
1207: return;
1.56 schwarze 1208: }
1.99 schwarze 1209:
1210: /* Optional architecture. */
1211: end = strchr(path, '/');
1212: if (end + 1 != name) {
1213: pg_error_badrequest(
1214: "You specified too many directory components.");
1215: exit(EXIT_FAILURE);
1.74 schwarze 1216: }
1.99 schwarze 1217: req->q.arch = mandoc_strndup(path, end - path);
1218: if (validate_arch(req->q.arch) == 0) {
1.74 schwarze 1219: pg_error_badrequest(
1220: "You specified an invalid directory component.");
1221: exit(EXIT_FAILURE);
1222: }
1.1 schwarze 1223: }
1224:
1225: /*
1226: * Scan for indexable paths.
1227: */
1228: static void
1.68 schwarze 1229: parse_manpath_conf(struct req *req)
1.1 schwarze 1230: {
1231: FILE *fp;
1232: char *dp;
1233: size_t dpsz;
1.54 schwarze 1234: ssize_t len;
1.1 schwarze 1235:
1.67 schwarze 1236: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1237: warn("%s/manpath.conf", MAN_DIR);
1.14 schwarze 1238: pg_error_internal();
1239: exit(EXIT_FAILURE);
1240: }
1.1 schwarze 1241:
1.54 schwarze 1242: dp = NULL;
1243: dpsz = 0;
1244:
1245: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1246: if (dp[len - 1] == '\n')
1247: dp[--len] = '\0';
1.1 schwarze 1248: req->p = mandoc_realloc(req->p,
1249: (req->psz + 1) * sizeof(char *));
1.20 schwarze 1250: if ( ! validate_urifrag(dp)) {
1.67 schwarze 1251: warnx("%s/manpath.conf contains "
1252: "unsafe path \"%s\"", MAN_DIR, dp);
1.20 schwarze 1253: pg_error_internal();
1254: exit(EXIT_FAILURE);
1255: }
1.67 schwarze 1256: if (strchr(dp, '/') != NULL) {
1257: warnx("%s/manpath.conf contains "
1258: "path with slash \"%s\"", MAN_DIR, dp);
1.20 schwarze 1259: pg_error_internal();
1260: exit(EXIT_FAILURE);
1261: }
1262: req->p[req->psz++] = dp;
1.54 schwarze 1263: dp = NULL;
1264: dpsz = 0;
1.14 schwarze 1265: }
1.54 schwarze 1266: free(dp);
1.14 schwarze 1267:
1.67 schwarze 1268: if (req->p == NULL) {
1269: warnx("%s/manpath.conf is empty", MAN_DIR);
1.14 schwarze 1270: pg_error_internal();
1271: exit(EXIT_FAILURE);
1.1 schwarze 1272: }
1273: }
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