Annotation of mandoc/cgi.c, Revision 1.158
1.158 ! schwarze 1: /* $Id: cgi.c,v 1.157 2018/05/18 14:23:00 schwarze Exp $ */
1.6 kristaps 2: /*
1.42 kristaps 3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.142 schwarze 4: * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@usta.de>
1.6 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
1.105 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.105 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18: #include "config.h"
1.93 schwarze 19:
20: #include <sys/types.h>
1.95 schwarze 21: #include <sys/time.h>
1.6 kristaps 22:
23: #include <ctype.h>
1.147 schwarze 24: #if HAVE_ERR
1.128 schwarze 25: #include <err.h>
1.147 schwarze 26: #endif
1.58 schwarze 27: #include <errno.h>
1.1 kristaps 28: #include <fcntl.h>
1.6 kristaps 29: #include <limits.h>
1.92 schwarze 30: #include <stdint.h>
1.1 kristaps 31: #include <stdio.h>
32: #include <stdlib.h>
33: #include <string.h>
1.6 kristaps 34: #include <unistd.h>
1.1 kristaps 35:
1.108 schwarze 36: #include "mandoc_aux.h"
1.4 schwarze 37: #include "mandoc.h"
1.108 schwarze 38: #include "roff.h"
1.111 schwarze 39: #include "mdoc.h"
1.112 schwarze 40: #include "man.h"
1.8 kristaps 41: #include "main.h"
1.105 schwarze 42: #include "manconf.h"
1.52 schwarze 43: #include "mansearch.h"
1.67 schwarze 44: #include "cgi.h"
1.1 kristaps 45:
1.20 kristaps 46: /*
47: * A query as passed to the search function.
48: */
49: struct query {
1.83 schwarze 50: char *manpath; /* desired manual directory */
51: char *arch; /* architecture */
52: char *sec; /* manual section */
1.85 schwarze 53: char *query; /* unparsed query expression */
1.65 schwarze 54: int equal; /* match whole names, not substrings */
1.20 kristaps 55: };
56:
1.1 kristaps 57: struct req {
1.58 schwarze 58: struct query q;
59: char **p; /* array of available manpaths */
60: size_t psz; /* number of available manpaths */
1.121 schwarze 61: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 kristaps 62: };
63:
1.131 schwarze 64: enum focus {
65: FOCUS_NONE = 0,
66: FOCUS_QUERY
67: };
68:
1.6 kristaps 69: static void html_print(const char *);
1.10 kristaps 70: static void html_putchar(char);
1.104 schwarze 71: static int http_decode(char *);
1.129 schwarze 72: static void parse_manpath_conf(struct req *);
73: static void parse_path_info(struct req *req, const char *path);
74: static void parse_query_string(struct req *, const char *);
1.72 schwarze 75: static void pg_error_badrequest(const char *);
76: static void pg_error_internal(void);
77: static void pg_index(const struct req *);
78: static void pg_noresult(const struct req *, const char *);
1.149 schwarze 79: static void pg_redirect(const struct req *, const char *);
1.66 schwarze 80: static void pg_search(const struct req *);
1.72 schwarze 81: static void pg_searchres(const struct req *,
82: struct manpage *, size_t);
1.79 schwarze 83: static void pg_show(struct req *, const char *);
1.150 schwarze 84: static void resp_begin_html(int, const char *, const char *);
1.6 kristaps 85: static void resp_begin_http(int, const char *);
1.129 schwarze 86: static void resp_catman(const struct req *, const char *);
1.114 schwarze 87: static void resp_copy(const char *);
1.6 kristaps 88: static void resp_end_html(void);
1.129 schwarze 89: static void resp_format(const struct req *, const char *);
1.131 schwarze 90: static void resp_searchform(const struct req *, enum focus);
1.70 schwarze 91: static void resp_show(const struct req *, const char *);
1.85 schwarze 92: static void set_query_attr(char **, char **);
93: static int validate_filename(const char *);
94: static int validate_manpath(const struct req *, const char *);
95: static int validate_urifrag(const char *);
1.6 kristaps 96:
1.119 schwarze 97: static const char *scriptname = SCRIPT_NAME;
1.1 kristaps 98:
1.70 schwarze 99: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.68 schwarze 100: static const char *const sec_numbers[] = {
101: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
102: };
103: static const char *const sec_names[] = {
104: "All Sections",
105: "1 - General Commands",
106: "2 - System Calls",
1.96 schwarze 107: "3 - Library Functions",
108: "3p - Perl Library",
109: "4 - Device Drivers",
1.68 schwarze 110: "5 - File Formats",
111: "6 - Games",
1.96 schwarze 112: "7 - Miscellaneous Information",
113: "8 - System Manager\'s Manual",
114: "9 - Kernel Developer\'s Manual"
1.68 schwarze 115: };
116: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
117:
118: static const char *const arch_names[] = {
1.146 schwarze 119: "amd64", "alpha", "armv7", "arm64",
1.137 schwarze 120: "hppa", "i386", "landisk",
1.125 schwarze 121: "loongson", "luna88k", "macppc", "mips64",
1.140 schwarze 122: "octeon", "sgi", "socppc", "sparc64",
1.137 schwarze 123: "amiga", "arc", "armish", "arm32",
124: "atari", "aviion", "beagle", "cats",
125: "hppa64", "hp300",
1.125 schwarze 126: "ia64", "mac68k", "mvme68k", "mvme88k",
127: "mvmeppc", "palm", "pc532", "pegasos",
1.139 schwarze 128: "pmax", "powerpc", "solbourne", "sparc",
1.140 schwarze 129: "sun3", "vax", "wgrisc", "x68k",
130: "zaurus"
1.68 schwarze 131: };
132: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
133:
1.6 kristaps 134: /*
1.20 kristaps 135: * Print a character, escaping HTML along the way.
136: * This will pass non-ASCII straight to output: be warned!
137: */
1.10 kristaps 138: static void
139: html_putchar(char c)
140: {
141:
142: switch (c) {
1.155 schwarze 143: case '"':
1.141 schwarze 144: printf(""");
1.10 kristaps 145: break;
1.155 schwarze 146: case '&':
1.10 kristaps 147: printf("&");
148: break;
1.155 schwarze 149: case '>':
1.10 kristaps 150: printf(">");
151: break;
1.155 schwarze 152: case '<':
1.10 kristaps 153: printf("<");
154: break;
155: default:
156: putchar((unsigned char)c);
157: break;
158: }
159: }
1.57 schwarze 160:
1.6 kristaps 161: /*
1.20 kristaps 162: * Call through to html_putchar().
163: * Accepts NULL strings.
1.6 kristaps 164: */
1.1 kristaps 165: static void
1.6 kristaps 166: html_print(const char *p)
1.1 kristaps 167: {
1.104 schwarze 168:
1.6 kristaps 169: if (NULL == p)
170: return;
1.1 kristaps 171: while ('\0' != *p)
1.10 kristaps 172: html_putchar(*p++);
1.1 kristaps 173: }
174:
175: /*
1.83 schwarze 176: * Transfer the responsibility for the allocated string *val
177: * to the query structure.
1.1 kristaps 178: */
179: static void
1.83 schwarze 180: set_query_attr(char **attr, char **val)
1.1 kristaps 181: {
182:
1.83 schwarze 183: free(*attr);
184: if (**val == '\0') {
185: *attr = NULL;
186: free(*val);
187: } else
188: *attr = *val;
189: *val = NULL;
190: }
191:
192: /*
193: * Parse the QUERY_STRING for key-value pairs
194: * and store the values into the query structure.
195: */
196: static void
1.129 schwarze 197: parse_query_string(struct req *req, const char *qs)
1.83 schwarze 198: {
199: char *key, *val;
200: size_t keysz, valsz;
201:
1.121 schwarze 202: req->isquery = 1;
1.83 schwarze 203: req->q.manpath = NULL;
204: req->q.arch = NULL;
205: req->q.sec = NULL;
1.85 schwarze 206: req->q.query = NULL;
1.83 schwarze 207: req->q.equal = 1;
208:
209: key = val = NULL;
210: while (*qs != '\0') {
1.24 kristaps 211:
1.83 schwarze 212: /* Parse one key. */
213:
214: keysz = strcspn(qs, "=;&");
215: key = mandoc_strndup(qs, keysz);
216: qs += keysz;
217: if (*qs != '=')
218: goto next;
219:
220: /* Parse one value. */
221:
222: valsz = strcspn(++qs, ";&");
223: val = mandoc_strndup(qs, valsz);
224: qs += valsz;
225:
226: /* Decode and catch encoding errors. */
1.1 kristaps 227:
1.83 schwarze 228: if ( ! (http_decode(key) && http_decode(val)))
229: goto next;
1.1 kristaps 230:
1.83 schwarze 231: /* Handle key-value pairs. */
1.1 kristaps 232:
1.83 schwarze 233: if ( ! strcmp(key, "query"))
1.85 schwarze 234: set_query_attr(&req->q.query, &val);
1.1 kristaps 235:
1.83 schwarze 236: else if ( ! strcmp(key, "apropos"))
237: req->q.equal = !strcmp(val, "0");
238:
239: else if ( ! strcmp(key, "manpath")) {
1.73 schwarze 240: #ifdef COMPAT_OLDURI
1.83 schwarze 241: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.73 schwarze 242: val[7] = '-';
243: if ('C' == val[8])
244: val[8] = 'c';
245: }
246: #endif
1.83 schwarze 247: set_query_attr(&req->q.manpath, &val);
248: }
249:
250: else if ( ! (strcmp(key, "sec")
1.73 schwarze 251: #ifdef COMPAT_OLDURI
1.83 schwarze 252: && strcmp(key, "sektion")
1.73 schwarze 253: #endif
1.83 schwarze 254: )) {
255: if ( ! strcmp(val, "0"))
256: *val = '\0';
257: set_query_attr(&req->q.sec, &val);
1.65 schwarze 258: }
1.83 schwarze 259:
260: else if ( ! strcmp(key, "arch")) {
261: if ( ! strcmp(val, "default"))
262: *val = '\0';
263: set_query_attr(&req->q.arch, &val);
264: }
265:
266: /*
267: * The key must be freed in any case.
268: * The val may have been handed over to the query
269: * structure, in which case it is now NULL.
270: */
271: next:
272: free(key);
273: key = NULL;
274: free(val);
275: val = NULL;
276:
277: if (*qs != '\0')
278: qs++;
1.24 kristaps 279: }
1.1 kristaps 280: }
281:
282: /*
1.6 kristaps 283: * HTTP-decode a string. The standard explanation is that this turns
284: * "%4e+foo" into "n foo" in the regular way. This is done in-place
285: * over the allocated string.
1.1 kristaps 286: */
287: static int
1.24 kristaps 288: http_decode(char *p)
1.1 kristaps 289: {
290: char hex[3];
1.63 schwarze 291: char *q;
1.1 kristaps 292: int c;
293:
294: hex[2] = '\0';
295:
1.63 schwarze 296: q = p;
297: for ( ; '\0' != *p; p++, q++) {
1.1 kristaps 298: if ('%' == *p) {
299: if ('\0' == (hex[0] = *(p + 1)))
1.109 schwarze 300: return 0;
1.1 kristaps 301: if ('\0' == (hex[1] = *(p + 2)))
1.109 schwarze 302: return 0;
1.1 kristaps 303: if (1 != sscanf(hex, "%x", &c))
1.109 schwarze 304: return 0;
1.1 kristaps 305: if ('\0' == c)
1.109 schwarze 306: return 0;
1.1 kristaps 307:
1.63 schwarze 308: *q = (char)c;
309: p += 2;
1.1 kristaps 310: } else
1.63 schwarze 311: *q = '+' == *p ? ' ' : *p;
1.1 kristaps 312: }
313:
1.63 schwarze 314: *q = '\0';
1.109 schwarze 315: return 1;
1.1 kristaps 316: }
317:
1.6 kristaps 318: static void
319: resp_begin_http(int code, const char *msg)
320: {
321:
322: if (200 != code)
1.62 schwarze 323: printf("Status: %d %s\r\n", code, msg);
1.6 kristaps 324:
1.62 schwarze 325: printf("Content-Type: text/html; charset=utf-8\r\n"
326: "Cache-Control: no-cache\r\n"
327: "Pragma: no-cache\r\n"
328: "\r\n");
1.6 kristaps 329:
330: fflush(stdout);
331: }
332:
333: static void
1.114 schwarze 334: resp_copy(const char *filename)
335: {
336: char buf[4096];
337: ssize_t sz;
338: int fd;
339:
340: if ((fd = open(filename, O_RDONLY)) != -1) {
341: fflush(stdout);
342: while ((sz = read(fd, buf, sizeof(buf))) > 0)
343: write(STDOUT_FILENO, buf, sz);
1.138 schwarze 344: close(fd);
1.114 schwarze 345: }
346: }
347:
348: static void
1.150 schwarze 349: resp_begin_html(int code, const char *msg, const char *file)
1.6 kristaps 350: {
1.150 schwarze 351: char *cp;
1.6 kristaps 352:
353: resp_begin_http(code, msg);
354:
1.98 kristaps 355: printf("<!DOCTYPE html>\n"
1.126 schwarze 356: "<html>\n"
357: "<head>\n"
1.143 schwarze 358: " <meta charset=\"UTF-8\"/>\n"
1.157 schwarze 359: " <meta name=\"viewport\""
360: " content=\"width=device-width, initial-scale=1.0\">\n"
1.143 schwarze 361: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 362: " type=\"text/css\" media=\"all\">\n"
1.150 schwarze 363: " <title>",
364: CSS_DIR);
365: if (file != NULL) {
366: if ((cp = strrchr(file, '/')) != NULL)
367: file = cp + 1;
368: if ((cp = strrchr(file, '.')) != NULL) {
369: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
370: } else
371: printf("%s - ", file);
372: }
373: printf("%s</title>\n"
1.126 schwarze 374: "</head>\n"
1.142 schwarze 375: "<body>\n",
1.150 schwarze 376: CUSTOMIZE_TITLE);
1.114 schwarze 377:
378: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 379: }
380:
381: static void
382: resp_end_html(void)
383: {
384:
1.114 schwarze 385: resp_copy(MAN_DIR "/footer.html");
386:
1.126 schwarze 387: puts("</body>\n"
388: "</html>");
1.6 kristaps 389: }
390:
391: static void
1.131 schwarze 392: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 393: {
1.27 kristaps 394: int i;
1.13 kristaps 395:
1.142 schwarze 396: printf("<form action=\"/%s\" method=\"get\">\n"
1.143 schwarze 397: " <fieldset>\n"
398: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 399: scriptname);
1.68 schwarze 400:
401: /* Write query input box. */
402:
1.158 ! schwarze 403: printf(" <input type=\"search\" name=\"query\" value=\"");
1.131 schwarze 404: if (req->q.query != NULL)
1.85 schwarze 405: html_print(req->q.query);
1.131 schwarze 406: printf( "\" size=\"40\"");
407: if (focus == FOCUS_QUERY)
408: printf(" autofocus");
409: puts(">");
1.68 schwarze 410:
1.132 schwarze 411: /* Write submission buttons. */
1.68 schwarze 412:
1.143 schwarze 413: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 414: "man</button>\n"
1.143 schwarze 415: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
416: "apropos</button>\n"
417: " <br/>\n");
1.68 schwarze 418:
419: /* Write section selector. */
420:
1.143 schwarze 421: puts(" <select name=\"sec\">");
1.68 schwarze 422: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 423: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 424: if (NULL != req->q.sec &&
425: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 426: printf(" selected=\"selected\"");
427: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 428: }
1.143 schwarze 429: puts(" </select>");
1.68 schwarze 430:
431: /* Write architecture selector. */
432:
1.143 schwarze 433: printf( " <select name=\"arch\">\n"
434: " <option value=\"default\"");
1.81 schwarze 435: if (NULL == req->q.arch)
1.126 schwarze 436: printf(" selected=\"selected\"");
437: puts(">All Architectures</option>");
1.68 schwarze 438: for (i = 0; i < arch_MAX; i++) {
1.158 ! schwarze 439: printf(" <option");
1.68 schwarze 440: if (NULL != req->q.arch &&
441: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 442: printf(" selected=\"selected\"");
443: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 444: }
1.143 schwarze 445: puts(" </select>");
1.68 schwarze 446:
447: /* Write manpath selector. */
448:
1.27 kristaps 449: if (req->psz > 1) {
1.143 schwarze 450: puts(" <select name=\"manpath\">");
1.27 kristaps 451: for (i = 0; i < (int)req->psz; i++) {
1.158 ! schwarze 452: printf(" <option");
1.102 schwarze 453: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.158 ! schwarze 454: printf(" selected=\"selected\"");
! 455: printf(">");
1.52 schwarze 456: html_print(req->p[i]);
1.126 schwarze 457: puts("</option>");
1.27 kristaps 458: }
1.143 schwarze 459: puts(" </select>");
1.27 kristaps 460: }
1.68 schwarze 461:
1.143 schwarze 462: puts(" </fieldset>\n"
1.142 schwarze 463: "</form>");
1.6 kristaps 464: }
465:
1.76 schwarze 466: static int
1.80 schwarze 467: validate_urifrag(const char *frag)
468: {
469:
470: while ('\0' != *frag) {
471: if ( ! (isalnum((unsigned char)*frag) ||
472: '-' == *frag || '.' == *frag ||
473: '/' == *frag || '_' == *frag))
1.109 schwarze 474: return 0;
1.80 schwarze 475: frag++;
476: }
1.109 schwarze 477: return 1;
1.80 schwarze 478: }
479:
480: static int
1.77 schwarze 481: validate_manpath(const struct req *req, const char* manpath)
482: {
483: size_t i;
484:
485: for (i = 0; i < req->psz; i++)
486: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 487: return 1;
1.77 schwarze 488:
1.109 schwarze 489: return 0;
1.77 schwarze 490: }
491:
492: static int
1.76 schwarze 493: validate_filename(const char *file)
494: {
495:
496: if ('.' == file[0] && '/' == file[1])
497: file += 2;
498:
1.109 schwarze 499: return ! (strstr(file, "../") || strstr(file, "/..") ||
500: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 501: }
502:
1.6 kristaps 503: static void
1.72 schwarze 504: pg_index(const struct req *req)
1.6 kristaps 505: {
506:
1.150 schwarze 507: resp_begin_html(200, NULL, NULL);
1.131 schwarze 508: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 509: printf("<p>\n"
1.86 schwarze 510: "This web interface is documented in the\n"
1.144 schwarze 511: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 512: "manual, and the\n"
1.144 schwarze 513: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 514: "manual explains the query syntax.\n"
1.126 schwarze 515: "</p>\n",
1.119 schwarze 516: scriptname, *scriptname == '\0' ? "" : "/",
517: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 518: resp_end_html();
519: }
520:
521: static void
1.72 schwarze 522: pg_noresult(const struct req *req, const char *msg)
1.59 schwarze 523: {
1.150 schwarze 524: resp_begin_html(200, NULL, NULL);
1.131 schwarze 525: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 526: puts("<p>");
1.59 schwarze 527: puts(msg);
1.126 schwarze 528: puts("</p>");
1.59 schwarze 529: resp_end_html();
530: }
531:
532: static void
1.72 schwarze 533: pg_error_badrequest(const char *msg)
1.9 kristaps 534: {
535:
1.150 schwarze 536: resp_begin_html(400, "Bad Request", NULL);
1.126 schwarze 537: puts("<h1>Bad Request</h1>\n"
538: "<p>\n");
1.59 schwarze 539: puts(msg);
540: printf("Try again from the\n"
1.126 schwarze 541: "<a href=\"/%s\">main page</a>.\n"
542: "</p>", scriptname);
1.9 kristaps 543: resp_end_html();
544: }
545:
546: static void
1.72 schwarze 547: pg_error_internal(void)
1.7 kristaps 548: {
1.150 schwarze 549: resp_begin_html(500, "Internal Server Error", NULL);
1.126 schwarze 550: puts("<p>Internal Server Error</p>");
1.7 kristaps 551: resp_end_html();
552: }
553:
554: static void
1.149 schwarze 555: pg_redirect(const struct req *req, const char *name)
556: {
1.153 schwarze 557: printf("Status: 303 See Other\r\n"
558: "Location: /");
1.149 schwarze 559: if (*scriptname != '\0')
560: printf("%s/", scriptname);
561: if (strcmp(req->q.manpath, req->p[0]))
562: printf("%s/", req->q.manpath);
563: if (req->q.arch != NULL)
564: printf("%s/", req->q.arch);
565: printf("%s", name);
566: if (req->q.sec != NULL)
567: printf(".%s", req->q.sec);
568: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
569: }
570:
571: static void
1.72 schwarze 572: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 573: {
1.81 schwarze 574: char *arch, *archend;
1.120 schwarze 575: const char *sec;
576: size_t i, iuse;
1.81 schwarze 577: int archprio, archpriouse;
1.70 schwarze 578: int prio, priouse;
1.19 kristaps 579:
1.76 schwarze 580: for (i = 0; i < sz; i++) {
581: if (validate_filename(r[i].file))
582: continue;
1.128 schwarze 583: warnx("invalid filename %s in %s database",
1.76 schwarze 584: r[i].file, req->q.manpath);
585: pg_error_internal();
586: return;
587: }
588:
1.121 schwarze 589: if (req->isquery && sz == 1) {
1.6 kristaps 590: /*
591: * If we have just one result, then jump there now
592: * without any delay.
593: */
1.153 schwarze 594: printf("Status: 303 See Other\r\n"
595: "Location: /");
596: if (*scriptname != '\0')
597: printf("%s/", scriptname);
598: if (strcmp(req->q.manpath, req->p[0]))
599: printf("%s/", req->q.manpath);
600: printf("%s\r\n"
601: "Content-Type: text/html; charset=utf-8\r\n\r\n",
602: r[0].file);
1.6 kristaps 603: return;
604: }
605:
1.70 schwarze 606: /*
607: * In man(1) mode, show one of the pages
608: * even if more than one is found.
609: */
610:
1.150 schwarze 611: iuse = 0;
1.123 schwarze 612: if (req->q.equal || sz == 1) {
1.120 schwarze 613: priouse = 20;
1.81 schwarze 614: archpriouse = 3;
1.70 schwarze 615: for (i = 0; i < sz; i++) {
1.120 schwarze 616: sec = r[i].file;
617: sec += strcspn(sec, "123456789");
618: if (sec[0] == '\0')
1.70 schwarze 619: continue;
1.120 schwarze 620: prio = sec_prios[sec[0] - '1'];
621: if (sec[1] != '/')
622: prio += 10;
623: if (req->q.arch == NULL) {
1.81 schwarze 624: archprio =
1.120 schwarze 625: ((arch = strchr(sec + 1, '/'))
626: == NULL) ? 3 :
627: ((archend = strchr(arch + 1, '/'))
628: == NULL) ? 0 :
1.81 schwarze 629: strncmp(arch, "amd64/",
630: archend - arch) ? 2 : 1;
631: if (archprio < archpriouse) {
632: archpriouse = archprio;
633: priouse = prio;
634: iuse = i;
635: continue;
636: }
637: if (archprio > archpriouse)
638: continue;
639: }
1.70 schwarze 640: if (prio >= priouse)
641: continue;
642: priouse = prio;
643: iuse = i;
644: }
1.150 schwarze 645: resp_begin_html(200, NULL, r[iuse].file);
646: } else
647: resp_begin_html(200, NULL, NULL);
648:
649: resp_searchform(req,
650: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
651:
652: if (sz > 1) {
653: puts("<table class=\"results\">");
654: for (i = 0; i < sz; i++) {
655: printf(" <tr>\n"
656: " <td>"
1.151 schwarze 657: "<a class=\"Xr\" href=\"/");
658: if (*scriptname != '\0')
659: printf("%s/", scriptname);
660: if (strcmp(req->q.manpath, req->p[0]))
661: printf("%s/", req->q.manpath);
662: printf("%s\">", r[i].file);
1.150 schwarze 663: html_print(r[i].names);
664: printf("</a></td>\n"
665: " <td><span class=\"Nd\">");
666: html_print(r[i].output);
667: puts("</span></td>\n"
668: " </tr>");
669: }
670: puts("</table>");
671: }
672:
673: if (req->q.equal || sz == 1) {
674: puts("<hr>");
1.70 schwarze 675: resp_show(req, r[iuse].file);
676: }
677:
1.6 kristaps 678: resp_end_html();
679: }
680:
1.1 kristaps 681: static void
1.129 schwarze 682: resp_catman(const struct req *req, const char *file)
1.9 kristaps 683: {
1.10 kristaps 684: FILE *f;
1.115 schwarze 685: char *p;
686: size_t sz;
687: ssize_t len;
1.10 kristaps 688: int i;
689: int italic, bold;
1.9 kristaps 690:
1.115 schwarze 691: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 692: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 693: return;
694: }
695:
1.126 schwarze 696: puts("<div class=\"catman\">\n"
697: "<pre>");
1.10 kristaps 698:
1.115 schwarze 699: p = NULL;
700: sz = 0;
701:
702: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 703: bold = italic = 0;
1.115 schwarze 704: for (i = 0; i < len - 1; i++) {
1.104 schwarze 705: /*
1.10 kristaps 706: * This means that the catpage is out of state.
707: * Ignore it and keep going (although the
708: * catpage is bogus).
709: */
710:
711: if ('\b' == p[i] || '\n' == p[i])
712: continue;
713:
714: /*
715: * Print a regular character.
716: * Close out any bold/italic scopes.
717: * If we're in back-space mode, make sure we'll
718: * have something to enter when we backspace.
719: */
720:
721: if ('\b' != p[i + 1]) {
722: if (italic)
1.126 schwarze 723: printf("</i>");
1.10 kristaps 724: if (bold)
1.126 schwarze 725: printf("</b>");
1.10 kristaps 726: italic = bold = 0;
727: html_putchar(p[i]);
728: continue;
1.115 schwarze 729: } else if (i + 2 >= len)
1.10 kristaps 730: continue;
731:
732: /* Italic mode. */
733:
734: if ('_' == p[i]) {
735: if (bold)
1.126 schwarze 736: printf("</b>");
1.10 kristaps 737: if ( ! italic)
1.126 schwarze 738: printf("<i>");
1.10 kristaps 739: bold = 0;
740: italic = 1;
741: i += 2;
742: html_putchar(p[i]);
743: continue;
744: }
745:
1.104 schwarze 746: /*
1.10 kristaps 747: * Handle funny behaviour troff-isms.
748: * These grok'd from the original man2html.c.
749: */
750:
751: if (('+' == p[i] && 'o' == p[i + 2]) ||
752: ('o' == p[i] && '+' == p[i + 2]) ||
753: ('|' == p[i] && '=' == p[i + 2]) ||
754: ('=' == p[i] && '|' == p[i + 2]) ||
755: ('*' == p[i] && '=' == p[i + 2]) ||
756: ('=' == p[i] && '*' == p[i + 2]) ||
757: ('*' == p[i] && '|' == p[i + 2]) ||
758: ('|' == p[i] && '*' == p[i + 2])) {
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: putchar('*');
765: i += 2;
766: continue;
767: } else if (('|' == p[i] && '-' == p[i + 2]) ||
768: ('-' == p[i] && '|' == p[i + 1]) ||
769: ('+' == p[i] && '-' == p[i + 1]) ||
770: ('-' == p[i] && '+' == p[i + 1]) ||
771: ('+' == p[i] && '|' == p[i + 1]) ||
772: ('|' == p[i] && '+' == p[i + 1])) {
773: if (italic)
1.126 schwarze 774: printf("</i>");
1.10 kristaps 775: if (bold)
1.126 schwarze 776: printf("</b>");
1.10 kristaps 777: italic = bold = 0;
778: putchar('+');
779: i += 2;
780: continue;
781: }
782:
783: /* Bold mode. */
1.104 schwarze 784:
1.10 kristaps 785: if (italic)
1.126 schwarze 786: printf("</i>");
1.10 kristaps 787: if ( ! bold)
1.126 schwarze 788: printf("<b>");
1.10 kristaps 789: bold = 1;
790: italic = 0;
791: i += 2;
792: html_putchar(p[i]);
793: }
794:
1.104 schwarze 795: /*
1.10 kristaps 796: * Clean up the last character.
1.104 schwarze 797: * We can get to a newline; don't print that.
1.10 kristaps 798: */
1.9 kristaps 799:
1.10 kristaps 800: if (italic)
1.126 schwarze 801: printf("</i>");
1.10 kristaps 802: if (bold)
1.126 schwarze 803: printf("</b>");
1.9 kristaps 804:
1.115 schwarze 805: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 806: html_putchar(p[i]);
1.9 kristaps 807:
1.10 kristaps 808: putchar('\n');
809: }
1.115 schwarze 810: free(p);
1.10 kristaps 811:
1.126 schwarze 812: puts("</pre>\n"
813: "</div>");
1.10 kristaps 814:
815: fclose(f);
1.9 kristaps 816: }
817:
818: static void
1.129 schwarze 819: resp_format(const struct req *req, const char *file)
1.7 kristaps 820: {
1.106 schwarze 821: struct manoutput conf;
1.8 kristaps 822: struct mparse *mp;
1.107 schwarze 823: struct roff_man *man;
1.8 kristaps 824: void *vp;
1.90 schwarze 825: int fd;
826: int usepath;
1.7 kristaps 827:
1.8 kristaps 828: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 829: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 830: return;
831: }
832:
1.110 schwarze 833: mchars_alloc();
1.136 schwarze 834: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
1.156 schwarze 835: MANDOCERR_MAX, NULL, MANDOC_OS_OTHER, req->q.manpath);
1.103 schwarze 836: mparse_readfd(mp, fd, file);
1.8 kristaps 837: close(fd);
1.7 kristaps 838:
1.106 schwarze 839: memset(&conf, 0, sizeof(conf));
840: conf.fragment = 1;
1.145 schwarze 841: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 842: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 schwarze 843: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
844: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 845: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 846:
1.108 schwarze 847: mparse_result(mp, &man, NULL);
848: if (man == NULL) {
1.128 schwarze 849: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.72 schwarze 850: pg_error_internal();
1.32 kristaps 851: mparse_free(mp);
1.110 schwarze 852: mchars_free();
1.32 kristaps 853: return;
854: }
855:
1.110 schwarze 856: vp = html_alloc(&conf);
1.7 kristaps 857:
1.111 schwarze 858: if (man->macroset == MACROSET_MDOC) {
859: mdoc_validate(man);
1.108 schwarze 860: html_mdoc(vp, man);
1.112 schwarze 861: } else {
862: man_validate(man);
1.8 kristaps 863: html_man(vp, man);
1.112 schwarze 864: }
1.32 kristaps 865:
1.8 kristaps 866: html_free(vp);
867: mparse_free(mp);
1.110 schwarze 868: mchars_free();
1.106 schwarze 869: free(conf.man);
1.145 schwarze 870: free(conf.style);
1.7 kristaps 871: }
872:
873: static void
1.70 schwarze 874: resp_show(const struct req *req, const char *file)
875: {
1.76 schwarze 876:
877: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 878: file += 2;
1.70 schwarze 879:
880: if ('c' == *file)
1.129 schwarze 881: resp_catman(req, file);
1.70 schwarze 882: else
1.129 schwarze 883: resp_format(req, file);
1.70 schwarze 884: }
885:
886: static void
1.84 schwarze 887: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 888: {
1.84 schwarze 889: char *manpath;
890: const char *file;
1.25 kristaps 891:
1.84 schwarze 892: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 893: pg_error_badrequest(
1.59 schwarze 894: "You did not specify a page to show.");
1.25 kristaps 895: return;
1.104 schwarze 896: }
1.84 schwarze 897: manpath = mandoc_strndup(fullpath, file - fullpath);
898: file++;
1.6 kristaps 899:
1.84 schwarze 900: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 901: pg_error_badrequest(
902: "You specified an invalid manpath.");
1.84 schwarze 903: free(manpath);
1.77 schwarze 904: return;
905: }
906:
1.24 kristaps 907: /*
1.58 schwarze 908: * Begin by chdir()ing into the manpath.
1.24 kristaps 909: * This way we can pick up the database files, which are
910: * relative to the manpath root.
911: */
912:
1.84 schwarze 913: if (chdir(manpath) == -1) {
1.128 schwarze 914: warn("chdir %s", manpath);
1.77 schwarze 915: pg_error_internal();
1.84 schwarze 916: free(manpath);
1.76 schwarze 917: return;
918: }
1.134 schwarze 919: free(manpath);
1.84 schwarze 920:
921: if ( ! validate_filename(file)) {
1.76 schwarze 922: pg_error_badrequest(
923: "You specified an invalid manual file.");
1.24 kristaps 924: return;
925: }
1.79 schwarze 926:
1.150 schwarze 927: resp_begin_html(200, NULL, file);
1.131 schwarze 928: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 929: resp_show(req, file);
1.70 schwarze 930: resp_end_html();
1.6 kristaps 931: }
932:
933: static void
1.66 schwarze 934: pg_search(const struct req *req)
1.6 kristaps 935: {
1.52 schwarze 936: struct mansearch search;
937: struct manpaths paths;
938: struct manpage *res;
1.97 schwarze 939: char **argv;
940: char *query, *rp, *wp;
1.52 schwarze 941: size_t ressz;
1.97 schwarze 942: int argc;
1.6 kristaps 943:
944: /*
1.24 kristaps 945: * Begin by chdir()ing into the root of the manpath.
946: * This way we can pick up the database files, which are
947: * relative to the manpath root.
948: */
949:
1.128 schwarze 950: if (chdir(req->q.manpath) == -1) {
951: warn("chdir %s", req->q.manpath);
1.77 schwarze 952: pg_error_internal();
1.24 kristaps 953: return;
954: }
955:
1.52 schwarze 956: search.arch = req->q.arch;
957: search.sec = req->q.sec;
1.94 schwarze 958: search.outkey = "Nd";
959: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 960: search.firstmatch = 1;
1.52 schwarze 961:
962: paths.sz = 1;
963: paths.paths = mandoc_malloc(sizeof(char *));
964: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 965:
966: /*
1.97 schwarze 967: * Break apart at spaces with backslash-escaping.
1.6 kristaps 968: */
969:
1.97 schwarze 970: argc = 0;
971: argv = NULL;
972: rp = query = mandoc_strdup(req->q.query);
973: for (;;) {
974: while (isspace((unsigned char)*rp))
975: rp++;
976: if (*rp == '\0')
977: break;
978: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
979: argv[argc++] = wp = rp;
980: for (;;) {
981: if (isspace((unsigned char)*rp)) {
982: *wp = '\0';
983: rp++;
984: break;
985: }
986: if (rp[0] == '\\' && rp[1] != '\0')
987: rp++;
988: if (wp != rp)
989: *wp = *rp;
990: if (*rp == '\0')
991: break;
992: wp++;
993: rp++;
994: }
1.6 kristaps 995: }
996:
1.149 schwarze 997: res = NULL;
998: ressz = 0;
999: if (req->isquery && req->q.equal && argc == 1)
1000: pg_redirect(req, argv[0]);
1001: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.72 schwarze 1002: pg_noresult(req, "You entered an invalid query.");
1.149 schwarze 1003: else if (ressz == 0)
1.72 schwarze 1004: pg_noresult(req, "No results found.");
1.59 schwarze 1005: else
1.72 schwarze 1006: pg_searchres(req, res, ressz);
1.6 kristaps 1007:
1.97 schwarze 1008: free(query);
1009: mansearch_free(res, ressz);
1.52 schwarze 1010: free(paths.paths[0]);
1011: free(paths.paths);
1.1 kristaps 1012: }
1013:
1014: int
1015: main(void)
1016: {
1.66 schwarze 1017: struct req req;
1.95 schwarze 1018: struct itimerval itimer;
1.66 schwarze 1019: const char *path;
1.83 schwarze 1020: const char *querystring;
1.1 kristaps 1021: int i;
1.148 schwarze 1022:
1023: #if HAVE_PLEDGE
1024: /*
1025: * The "rpath" pledge could be revoked after mparse_readfd()
1026: * if the file desciptor to "/footer.html" would be opened
1027: * up front, but it's probably not worth the complication
1028: * of the code it would cause: it would require scattering
1029: * pledge() calls in multiple low-level resp_*() functions.
1030: */
1031:
1032: if (pledge("stdio rpath", NULL) == -1) {
1033: warn("pledge");
1034: pg_error_internal();
1035: return EXIT_FAILURE;
1036: }
1037: #endif
1.95 schwarze 1038:
1039: /* Poor man's ReDoS mitigation. */
1040:
1.99 schwarze 1041: itimer.it_value.tv_sec = 2;
1.95 schwarze 1042: itimer.it_value.tv_usec = 0;
1.99 schwarze 1043: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1044: itimer.it_interval.tv_usec = 0;
1045: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1046: warn("setitimer");
1.80 schwarze 1047: pg_error_internal();
1.109 schwarze 1048: return EXIT_FAILURE;
1.80 schwarze 1049: }
1050:
1.24 kristaps 1051: /*
1.67 schwarze 1052: * First we change directory into the MAN_DIR so that
1.24 kristaps 1053: * subsequent scanning for manpath directories is rooted
1054: * relative to the same position.
1055: */
1056:
1.128 schwarze 1057: if (chdir(MAN_DIR) == -1) {
1058: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1059: pg_error_internal();
1.109 schwarze 1060: return EXIT_FAILURE;
1.104 schwarze 1061: }
1.24 kristaps 1062:
1063: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1064: req.q.equal = 1;
1.129 schwarze 1065: parse_manpath_conf(&req);
1.1 kristaps 1066:
1.117 schwarze 1067: /* Parse the path info and the query string. */
1.1 kristaps 1068:
1.117 schwarze 1069: if ((path = getenv("PATH_INFO")) == NULL)
1070: path = "";
1071: else if (*path == '/')
1072: path++;
1073:
1.124 schwarze 1074: if (*path != '\0') {
1.129 schwarze 1075: parse_path_info(&req, path);
1.154 schwarze 1076: if (req.q.manpath == NULL || req.q.sec == NULL ||
1077: *req.q.query == '\0' || access(path, F_OK) == -1)
1.124 schwarze 1078: path = "";
1.117 schwarze 1079: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1080: parse_query_string(&req, querystring);
1.77 schwarze 1081:
1.117 schwarze 1082: /* Validate parsed data and add defaults. */
1083:
1.102 schwarze 1084: if (req.q.manpath == NULL)
1085: req.q.manpath = mandoc_strdup(req.p[0]);
1086: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1087: pg_error_badrequest(
1088: "You specified an invalid manpath.");
1.109 schwarze 1089: return EXIT_FAILURE;
1.77 schwarze 1090: }
1.1 kristaps 1091:
1.80 schwarze 1092: if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) {
1093: pg_error_badrequest(
1094: "You specified an invalid architecture.");
1.109 schwarze 1095: return EXIT_FAILURE;
1.80 schwarze 1096: }
1097:
1.66 schwarze 1098: /* Dispatch to the three different pages. */
1.1 kristaps 1099:
1.66 schwarze 1100: if ('\0' != *path)
1101: pg_show(&req, path);
1.85 schwarze 1102: else if (NULL != req.q.query)
1.66 schwarze 1103: pg_search(&req);
1104: else
1.72 schwarze 1105: pg_index(&req);
1.1 kristaps 1106:
1.83 schwarze 1107: free(req.q.manpath);
1108: free(req.q.arch);
1109: free(req.q.sec);
1.85 schwarze 1110: free(req.q.query);
1.52 schwarze 1111: for (i = 0; i < (int)req.psz; i++)
1112: free(req.p[i]);
1.24 kristaps 1113: free(req.p);
1.109 schwarze 1114: return EXIT_SUCCESS;
1.117 schwarze 1115: }
1116:
1117: /*
1118: * If PATH_INFO is not a file name, translate it to a query.
1119: */
1120: static void
1.129 schwarze 1121: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1122: {
1.135 schwarze 1123: char *dir[4];
1124: int i;
1.117 schwarze 1125:
1.121 schwarze 1126: req->isquery = 0;
1.117 schwarze 1127: req->q.equal = 1;
1128: req->q.manpath = mandoc_strdup(path);
1.135 schwarze 1129: req->q.arch = NULL;
1.117 schwarze 1130:
1131: /* Mandatory manual page name. */
1132: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1133: req->q.query = req->q.manpath;
1134: req->q.manpath = NULL;
1135: } else
1136: *req->q.query++ = '\0';
1137:
1138: /* Optional trailing section. */
1139: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1140: if(isdigit((unsigned char)req->q.sec[1])) {
1141: *req->q.sec++ = '\0';
1142: req->q.sec = mandoc_strdup(req->q.sec);
1143: } else
1144: req->q.sec = NULL;
1145: }
1146:
1147: /* Handle the case of name[.section] only. */
1.135 schwarze 1148: if (req->q.manpath == NULL)
1.117 schwarze 1149: return;
1.135 schwarze 1150: req->q.query = mandoc_strdup(req->q.query);
1151:
1152: /* Split directory components. */
1153: dir[i = 0] = req->q.manpath;
1154: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1155: if (++i == 3) {
1156: pg_error_badrequest(
1157: "You specified too many directory components.");
1158: exit(EXIT_FAILURE);
1159: }
1160: *dir[i]++ = '\0';
1.117 schwarze 1161: }
1162:
1.135 schwarze 1163: /* Optional manpath. */
1164: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1165: req->q.manpath = NULL;
1166: else if (dir[1] == NULL)
1167: return;
1.117 schwarze 1168:
1.135 schwarze 1169: /* Optional section. */
1170: if (strncmp(dir[i], "man", 3) == 0) {
1.127 schwarze 1171: free(req->q.sec);
1.135 schwarze 1172: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.117 schwarze 1173: }
1.135 schwarze 1174: if (dir[i] == NULL) {
1175: if (req->q.manpath == NULL)
1176: free(dir[0]);
1177: return;
1178: }
1179: if (dir[i + 1] != NULL) {
1180: pg_error_badrequest(
1181: "You specified an invalid directory component.");
1182: exit(EXIT_FAILURE);
1183: }
1184:
1185: /* Optional architecture. */
1186: if (i) {
1187: req->q.arch = mandoc_strdup(dir[i]);
1188: if (req->q.manpath == NULL)
1189: free(dir[0]);
1190: } else
1191: req->q.arch = dir[0];
1.24 kristaps 1192: }
1193:
1194: /*
1195: * Scan for indexable paths.
1196: */
1197: static void
1.129 schwarze 1198: parse_manpath_conf(struct req *req)
1.24 kristaps 1199: {
1.54 schwarze 1200: FILE *fp;
1201: char *dp;
1202: size_t dpsz;
1.115 schwarze 1203: ssize_t len;
1.54 schwarze 1204:
1.128 schwarze 1205: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1206: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1207: pg_error_internal();
1208: exit(EXIT_FAILURE);
1209: }
1.24 kristaps 1210:
1.115 schwarze 1211: dp = NULL;
1212: dpsz = 0;
1213:
1214: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1215: if (dp[len - 1] == '\n')
1216: dp[--len] = '\0';
1.54 schwarze 1217: req->p = mandoc_realloc(req->p,
1218: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1219: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1220: warnx("%s/manpath.conf contains "
1221: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1222: pg_error_internal();
1223: exit(EXIT_FAILURE);
1224: }
1.128 schwarze 1225: if (strchr(dp, '/') != NULL) {
1226: warnx("%s/manpath.conf contains "
1227: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1228: pg_error_internal();
1229: exit(EXIT_FAILURE);
1230: }
1231: req->p[req->psz++] = dp;
1.115 schwarze 1232: dp = NULL;
1233: dpsz = 0;
1.74 schwarze 1234: }
1.115 schwarze 1235: free(dp);
1.74 schwarze 1236:
1.128 schwarze 1237: if (req->p == NULL) {
1238: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1239: pg_error_internal();
1240: exit(EXIT_FAILURE);
1.24 kristaps 1241: }
1242: }
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