Annotation of mandoc/cgi.c, Revision 1.152
1.152 ! schwarze 1: /* $Id: cgi.c,v 1.151 2017/03/15 13:49:50 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) {
143: case ('"'):
1.141 schwarze 144: printf(""");
1.10 kristaps 145: break;
146: case ('&'):
147: printf("&");
148: break;
149: case ('>'):
150: printf(">");
151: break;
152: case ('<'):
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"
359: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 360: " type=\"text/css\" media=\"all\">\n"
1.150 schwarze 361: " <title>",
362: CSS_DIR);
363: if (file != NULL) {
364: if ((cp = strrchr(file, '/')) != NULL)
365: file = cp + 1;
366: if ((cp = strrchr(file, '.')) != NULL) {
367: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
368: } else
369: printf("%s - ", file);
370: }
371: printf("%s</title>\n"
1.126 schwarze 372: "</head>\n"
1.142 schwarze 373: "<body>\n",
1.150 schwarze 374: CUSTOMIZE_TITLE);
1.114 schwarze 375:
376: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 377: }
378:
379: static void
380: resp_end_html(void)
381: {
382:
1.114 schwarze 383: resp_copy(MAN_DIR "/footer.html");
384:
1.126 schwarze 385: puts("</body>\n"
386: "</html>");
1.6 kristaps 387: }
388:
389: static void
1.131 schwarze 390: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 391: {
1.27 kristaps 392: int i;
1.13 kristaps 393:
1.142 schwarze 394: printf("<form action=\"/%s\" method=\"get\">\n"
1.143 schwarze 395: " <fieldset>\n"
396: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 397: scriptname);
1.68 schwarze 398:
399: /* Write query input box. */
400:
1.143 schwarze 401: printf(" <input type=\"text\" name=\"query\" value=\"");
1.131 schwarze 402: if (req->q.query != NULL)
1.85 schwarze 403: html_print(req->q.query);
1.131 schwarze 404: printf( "\" size=\"40\"");
405: if (focus == FOCUS_QUERY)
406: printf(" autofocus");
407: puts(">");
1.68 schwarze 408:
1.132 schwarze 409: /* Write submission buttons. */
1.68 schwarze 410:
1.143 schwarze 411: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 412: "man</button>\n"
1.143 schwarze 413: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
414: "apropos</button>\n"
415: " <br/>\n");
1.68 schwarze 416:
417: /* Write section selector. */
418:
1.143 schwarze 419: puts(" <select name=\"sec\">");
1.68 schwarze 420: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 421: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 422: if (NULL != req->q.sec &&
423: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 424: printf(" selected=\"selected\"");
425: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 426: }
1.143 schwarze 427: puts(" </select>");
1.68 schwarze 428:
429: /* Write architecture selector. */
430:
1.143 schwarze 431: printf( " <select name=\"arch\">\n"
432: " <option value=\"default\"");
1.81 schwarze 433: if (NULL == req->q.arch)
1.126 schwarze 434: printf(" selected=\"selected\"");
435: puts(">All Architectures</option>");
1.68 schwarze 436: for (i = 0; i < arch_MAX; i++) {
1.143 schwarze 437: printf(" <option value=\"%s\"", arch_names[i]);
1.68 schwarze 438: if (NULL != req->q.arch &&
439: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 440: printf(" selected=\"selected\"");
441: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 442: }
1.143 schwarze 443: puts(" </select>");
1.68 schwarze 444:
445: /* Write manpath selector. */
446:
1.27 kristaps 447: if (req->psz > 1) {
1.143 schwarze 448: puts(" <select name=\"manpath\">");
1.27 kristaps 449: for (i = 0; i < (int)req->psz; i++) {
1.143 schwarze 450: printf(" <option ");
1.102 schwarze 451: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.126 schwarze 452: printf("selected=\"selected\" ");
453: printf("value=\"");
1.52 schwarze 454: html_print(req->p[i]);
1.27 kristaps 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: {
557: printf("Status: 303 See Other\r\n");
558: printf("Location: http://%s/", HTTP_HOST);
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: */
1.62 schwarze 594: printf("Status: 303 See Other\r\n");
1.119 schwarze 595: printf("Location: http://%s/%s%s%s/%s",
596: HTTP_HOST, scriptname,
597: *scriptname == '\0' ? "" : "/",
598: req->q.manpath, r[0].file);
1.62 schwarze 599: printf("\r\n"
600: "Content-Type: text/html; charset=utf-8\r\n"
601: "\r\n");
1.6 kristaps 602: return;
603: }
604:
1.70 schwarze 605: /*
606: * In man(1) mode, show one of the pages
607: * even if more than one is found.
608: */
609:
1.150 schwarze 610: iuse = 0;
1.123 schwarze 611: if (req->q.equal || sz == 1) {
1.120 schwarze 612: priouse = 20;
1.81 schwarze 613: archpriouse = 3;
1.70 schwarze 614: for (i = 0; i < sz; i++) {
1.120 schwarze 615: sec = r[i].file;
616: sec += strcspn(sec, "123456789");
617: if (sec[0] == '\0')
1.70 schwarze 618: continue;
1.120 schwarze 619: prio = sec_prios[sec[0] - '1'];
620: if (sec[1] != '/')
621: prio += 10;
622: if (req->q.arch == NULL) {
1.81 schwarze 623: archprio =
1.120 schwarze 624: ((arch = strchr(sec + 1, '/'))
625: == NULL) ? 3 :
626: ((archend = strchr(arch + 1, '/'))
627: == NULL) ? 0 :
1.81 schwarze 628: strncmp(arch, "amd64/",
629: archend - arch) ? 2 : 1;
630: if (archprio < archpriouse) {
631: archpriouse = archprio;
632: priouse = prio;
633: iuse = i;
634: continue;
635: }
636: if (archprio > archpriouse)
637: continue;
638: }
1.70 schwarze 639: if (prio >= priouse)
640: continue;
641: priouse = prio;
642: iuse = i;
643: }
1.150 schwarze 644: resp_begin_html(200, NULL, r[iuse].file);
645: } else
646: resp_begin_html(200, NULL, NULL);
647:
648: resp_searchform(req,
649: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
650:
651: if (sz > 1) {
652: puts("<table class=\"results\">");
653: for (i = 0; i < sz; i++) {
654: printf(" <tr>\n"
655: " <td>"
1.151 schwarze 656: "<a class=\"Xr\" href=\"/");
657: if (*scriptname != '\0')
658: printf("%s/", scriptname);
659: if (strcmp(req->q.manpath, req->p[0]))
660: printf("%s/", req->q.manpath);
661: printf("%s\">", r[i].file);
1.150 schwarze 662: html_print(r[i].names);
663: printf("</a></td>\n"
664: " <td><span class=\"Nd\">");
665: html_print(r[i].output);
666: puts("</span></td>\n"
667: " </tr>");
668: }
669: puts("</table>");
670: }
671:
672: if (req->q.equal || sz == 1) {
673: puts("<hr>");
1.70 schwarze 674: resp_show(req, r[iuse].file);
675: }
676:
1.6 kristaps 677: resp_end_html();
678: }
679:
1.1 kristaps 680: static void
1.129 schwarze 681: resp_catman(const struct req *req, const char *file)
1.9 kristaps 682: {
1.10 kristaps 683: FILE *f;
1.115 schwarze 684: char *p;
685: size_t sz;
686: ssize_t len;
1.10 kristaps 687: int i;
688: int italic, bold;
1.9 kristaps 689:
1.115 schwarze 690: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 691: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 692: return;
693: }
694:
1.126 schwarze 695: puts("<div class=\"catman\">\n"
696: "<pre>");
1.10 kristaps 697:
1.115 schwarze 698: p = NULL;
699: sz = 0;
700:
701: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 702: bold = italic = 0;
1.115 schwarze 703: for (i = 0; i < len - 1; i++) {
1.104 schwarze 704: /*
1.10 kristaps 705: * This means that the catpage is out of state.
706: * Ignore it and keep going (although the
707: * catpage is bogus).
708: */
709:
710: if ('\b' == p[i] || '\n' == p[i])
711: continue;
712:
713: /*
714: * Print a regular character.
715: * Close out any bold/italic scopes.
716: * If we're in back-space mode, make sure we'll
717: * have something to enter when we backspace.
718: */
719:
720: if ('\b' != p[i + 1]) {
721: if (italic)
1.126 schwarze 722: printf("</i>");
1.10 kristaps 723: if (bold)
1.126 schwarze 724: printf("</b>");
1.10 kristaps 725: italic = bold = 0;
726: html_putchar(p[i]);
727: continue;
1.115 schwarze 728: } else if (i + 2 >= len)
1.10 kristaps 729: continue;
730:
731: /* Italic mode. */
732:
733: if ('_' == p[i]) {
734: if (bold)
1.126 schwarze 735: printf("</b>");
1.10 kristaps 736: if ( ! italic)
1.126 schwarze 737: printf("<i>");
1.10 kristaps 738: bold = 0;
739: italic = 1;
740: i += 2;
741: html_putchar(p[i]);
742: continue;
743: }
744:
1.104 schwarze 745: /*
1.10 kristaps 746: * Handle funny behaviour troff-isms.
747: * These grok'd from the original man2html.c.
748: */
749:
750: if (('+' == p[i] && 'o' == p[i + 2]) ||
751: ('o' == p[i] && '+' == p[i + 2]) ||
752: ('|' == 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: if (italic)
1.126 schwarze 759: printf("</i>");
1.10 kristaps 760: if (bold)
1.126 schwarze 761: printf("</b>");
1.10 kristaps 762: italic = bold = 0;
763: putchar('*');
764: i += 2;
765: continue;
766: } else if (('|' == p[i] && '-' == p[i + 2]) ||
767: ('-' == p[i] && '|' == p[i + 1]) ||
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: if (italic)
1.126 schwarze 773: printf("</i>");
1.10 kristaps 774: if (bold)
1.126 schwarze 775: printf("</b>");
1.10 kristaps 776: italic = bold = 0;
777: putchar('+');
778: i += 2;
779: continue;
780: }
781:
782: /* Bold mode. */
1.104 schwarze 783:
1.10 kristaps 784: if (italic)
1.126 schwarze 785: printf("</i>");
1.10 kristaps 786: if ( ! bold)
1.126 schwarze 787: printf("<b>");
1.10 kristaps 788: bold = 1;
789: italic = 0;
790: i += 2;
791: html_putchar(p[i]);
792: }
793:
1.104 schwarze 794: /*
1.10 kristaps 795: * Clean up the last character.
1.104 schwarze 796: * We can get to a newline; don't print that.
1.10 kristaps 797: */
1.9 kristaps 798:
1.10 kristaps 799: if (italic)
1.126 schwarze 800: printf("</i>");
1.10 kristaps 801: if (bold)
1.126 schwarze 802: printf("</b>");
1.9 kristaps 803:
1.115 schwarze 804: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 805: html_putchar(p[i]);
1.9 kristaps 806:
1.10 kristaps 807: putchar('\n');
808: }
1.115 schwarze 809: free(p);
1.10 kristaps 810:
1.126 schwarze 811: puts("</pre>\n"
812: "</div>");
1.10 kristaps 813:
814: fclose(f);
1.9 kristaps 815: }
816:
817: static void
1.129 schwarze 818: resp_format(const struct req *req, const char *file)
1.7 kristaps 819: {
1.106 schwarze 820: struct manoutput conf;
1.8 kristaps 821: struct mparse *mp;
1.107 schwarze 822: struct roff_man *man;
1.8 kristaps 823: void *vp;
1.90 schwarze 824: int fd;
825: int usepath;
1.7 kristaps 826:
1.8 kristaps 827: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 828: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 829: return;
830: }
831:
1.110 schwarze 832: mchars_alloc();
1.136 schwarze 833: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
834: MANDOCLEVEL_BADARG, NULL, req->q.manpath);
1.103 schwarze 835: mparse_readfd(mp, fd, file);
1.8 kristaps 836: close(fd);
1.7 kristaps 837:
1.106 schwarze 838: memset(&conf, 0, sizeof(conf));
839: conf.fragment = 1;
1.145 schwarze 840: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 841: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 ! schwarze 842: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
! 843: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 844: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 845:
1.108 schwarze 846: mparse_result(mp, &man, NULL);
847: if (man == NULL) {
1.128 schwarze 848: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.72 schwarze 849: pg_error_internal();
1.32 kristaps 850: mparse_free(mp);
1.110 schwarze 851: mchars_free();
1.32 kristaps 852: return;
853: }
854:
1.110 schwarze 855: vp = html_alloc(&conf);
1.7 kristaps 856:
1.111 schwarze 857: if (man->macroset == MACROSET_MDOC) {
858: mdoc_validate(man);
1.108 schwarze 859: html_mdoc(vp, man);
1.112 schwarze 860: } else {
861: man_validate(man);
1.8 kristaps 862: html_man(vp, man);
1.112 schwarze 863: }
1.32 kristaps 864:
1.8 kristaps 865: html_free(vp);
866: mparse_free(mp);
1.110 schwarze 867: mchars_free();
1.106 schwarze 868: free(conf.man);
1.145 schwarze 869: free(conf.style);
1.7 kristaps 870: }
871:
872: static void
1.70 schwarze 873: resp_show(const struct req *req, const char *file)
874: {
1.76 schwarze 875:
876: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 877: file += 2;
1.70 schwarze 878:
879: if ('c' == *file)
1.129 schwarze 880: resp_catman(req, file);
1.70 schwarze 881: else
1.129 schwarze 882: resp_format(req, file);
1.70 schwarze 883: }
884:
885: static void
1.84 schwarze 886: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 887: {
1.84 schwarze 888: char *manpath;
889: const char *file;
1.25 kristaps 890:
1.84 schwarze 891: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 892: pg_error_badrequest(
1.59 schwarze 893: "You did not specify a page to show.");
1.25 kristaps 894: return;
1.104 schwarze 895: }
1.84 schwarze 896: manpath = mandoc_strndup(fullpath, file - fullpath);
897: file++;
1.6 kristaps 898:
1.84 schwarze 899: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 900: pg_error_badrequest(
901: "You specified an invalid manpath.");
1.84 schwarze 902: free(manpath);
1.77 schwarze 903: return;
904: }
905:
1.24 kristaps 906: /*
1.58 schwarze 907: * Begin by chdir()ing into the manpath.
1.24 kristaps 908: * This way we can pick up the database files, which are
909: * relative to the manpath root.
910: */
911:
1.84 schwarze 912: if (chdir(manpath) == -1) {
1.128 schwarze 913: warn("chdir %s", manpath);
1.77 schwarze 914: pg_error_internal();
1.84 schwarze 915: free(manpath);
1.76 schwarze 916: return;
917: }
1.134 schwarze 918: free(manpath);
1.84 schwarze 919:
920: if ( ! validate_filename(file)) {
1.76 schwarze 921: pg_error_badrequest(
922: "You specified an invalid manual file.");
1.24 kristaps 923: return;
924: }
1.79 schwarze 925:
1.150 schwarze 926: resp_begin_html(200, NULL, file);
1.131 schwarze 927: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 928: resp_show(req, file);
1.70 schwarze 929: resp_end_html();
1.6 kristaps 930: }
931:
932: static void
1.66 schwarze 933: pg_search(const struct req *req)
1.6 kristaps 934: {
1.52 schwarze 935: struct mansearch search;
936: struct manpaths paths;
937: struct manpage *res;
1.97 schwarze 938: char **argv;
939: char *query, *rp, *wp;
1.52 schwarze 940: size_t ressz;
1.97 schwarze 941: int argc;
1.6 kristaps 942:
943: /*
1.24 kristaps 944: * Begin by chdir()ing into the root of the manpath.
945: * This way we can pick up the database files, which are
946: * relative to the manpath root.
947: */
948:
1.128 schwarze 949: if (chdir(req->q.manpath) == -1) {
950: warn("chdir %s", req->q.manpath);
1.77 schwarze 951: pg_error_internal();
1.24 kristaps 952: return;
953: }
954:
1.52 schwarze 955: search.arch = req->q.arch;
956: search.sec = req->q.sec;
1.94 schwarze 957: search.outkey = "Nd";
958: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 959: search.firstmatch = 1;
1.52 schwarze 960:
961: paths.sz = 1;
962: paths.paths = mandoc_malloc(sizeof(char *));
963: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 964:
965: /*
1.97 schwarze 966: * Break apart at spaces with backslash-escaping.
1.6 kristaps 967: */
968:
1.97 schwarze 969: argc = 0;
970: argv = NULL;
971: rp = query = mandoc_strdup(req->q.query);
972: for (;;) {
973: while (isspace((unsigned char)*rp))
974: rp++;
975: if (*rp == '\0')
976: break;
977: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
978: argv[argc++] = wp = rp;
979: for (;;) {
980: if (isspace((unsigned char)*rp)) {
981: *wp = '\0';
982: rp++;
983: break;
984: }
985: if (rp[0] == '\\' && rp[1] != '\0')
986: rp++;
987: if (wp != rp)
988: *wp = *rp;
989: if (*rp == '\0')
990: break;
991: wp++;
992: rp++;
993: }
1.6 kristaps 994: }
995:
1.149 schwarze 996: res = NULL;
997: ressz = 0;
998: if (req->isquery && req->q.equal && argc == 1)
999: pg_redirect(req, argv[0]);
1000: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.72 schwarze 1001: pg_noresult(req, "You entered an invalid query.");
1.149 schwarze 1002: else if (ressz == 0)
1.72 schwarze 1003: pg_noresult(req, "No results found.");
1.59 schwarze 1004: else
1.72 schwarze 1005: pg_searchres(req, res, ressz);
1.6 kristaps 1006:
1.97 schwarze 1007: free(query);
1008: mansearch_free(res, ressz);
1.52 schwarze 1009: free(paths.paths[0]);
1010: free(paths.paths);
1.1 kristaps 1011: }
1012:
1013: int
1014: main(void)
1015: {
1.66 schwarze 1016: struct req req;
1.95 schwarze 1017: struct itimerval itimer;
1.66 schwarze 1018: const char *path;
1.83 schwarze 1019: const char *querystring;
1.1 kristaps 1020: int i;
1.148 schwarze 1021:
1022: #if HAVE_PLEDGE
1023: /*
1024: * The "rpath" pledge could be revoked after mparse_readfd()
1025: * if the file desciptor to "/footer.html" would be opened
1026: * up front, but it's probably not worth the complication
1027: * of the code it would cause: it would require scattering
1028: * pledge() calls in multiple low-level resp_*() functions.
1029: */
1030:
1031: if (pledge("stdio rpath", NULL) == -1) {
1032: warn("pledge");
1033: pg_error_internal();
1034: return EXIT_FAILURE;
1035: }
1036: #endif
1.95 schwarze 1037:
1038: /* Poor man's ReDoS mitigation. */
1039:
1.99 schwarze 1040: itimer.it_value.tv_sec = 2;
1.95 schwarze 1041: itimer.it_value.tv_usec = 0;
1.99 schwarze 1042: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1043: itimer.it_interval.tv_usec = 0;
1044: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1045: warn("setitimer");
1.80 schwarze 1046: pg_error_internal();
1.109 schwarze 1047: return EXIT_FAILURE;
1.80 schwarze 1048: }
1049:
1.24 kristaps 1050: /*
1.67 schwarze 1051: * First we change directory into the MAN_DIR so that
1.24 kristaps 1052: * subsequent scanning for manpath directories is rooted
1053: * relative to the same position.
1054: */
1055:
1.128 schwarze 1056: if (chdir(MAN_DIR) == -1) {
1057: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1058: pg_error_internal();
1.109 schwarze 1059: return EXIT_FAILURE;
1.104 schwarze 1060: }
1.24 kristaps 1061:
1062: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1063: req.q.equal = 1;
1.129 schwarze 1064: parse_manpath_conf(&req);
1.1 kristaps 1065:
1.117 schwarze 1066: /* Parse the path info and the query string. */
1.1 kristaps 1067:
1.117 schwarze 1068: if ((path = getenv("PATH_INFO")) == NULL)
1069: path = "";
1070: else if (*path == '/')
1071: path++;
1072:
1.124 schwarze 1073: if (*path != '\0') {
1.129 schwarze 1074: parse_path_info(&req, path);
1.133 schwarze 1075: if (req.q.manpath == NULL || access(path, F_OK) == -1)
1.124 schwarze 1076: path = "";
1.117 schwarze 1077: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1078: parse_query_string(&req, querystring);
1.77 schwarze 1079:
1.117 schwarze 1080: /* Validate parsed data and add defaults. */
1081:
1.102 schwarze 1082: if (req.q.manpath == NULL)
1083: req.q.manpath = mandoc_strdup(req.p[0]);
1084: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1085: pg_error_badrequest(
1086: "You specified an invalid manpath.");
1.109 schwarze 1087: return EXIT_FAILURE;
1.77 schwarze 1088: }
1.1 kristaps 1089:
1.80 schwarze 1090: if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) {
1091: pg_error_badrequest(
1092: "You specified an invalid architecture.");
1.109 schwarze 1093: return EXIT_FAILURE;
1.80 schwarze 1094: }
1095:
1.66 schwarze 1096: /* Dispatch to the three different pages. */
1.1 kristaps 1097:
1.66 schwarze 1098: if ('\0' != *path)
1099: pg_show(&req, path);
1.85 schwarze 1100: else if (NULL != req.q.query)
1.66 schwarze 1101: pg_search(&req);
1102: else
1.72 schwarze 1103: pg_index(&req);
1.1 kristaps 1104:
1.83 schwarze 1105: free(req.q.manpath);
1106: free(req.q.arch);
1107: free(req.q.sec);
1.85 schwarze 1108: free(req.q.query);
1.52 schwarze 1109: for (i = 0; i < (int)req.psz; i++)
1110: free(req.p[i]);
1.24 kristaps 1111: free(req.p);
1.109 schwarze 1112: return EXIT_SUCCESS;
1.117 schwarze 1113: }
1114:
1115: /*
1116: * If PATH_INFO is not a file name, translate it to a query.
1117: */
1118: static void
1.129 schwarze 1119: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1120: {
1.135 schwarze 1121: char *dir[4];
1122: int i;
1.117 schwarze 1123:
1.121 schwarze 1124: req->isquery = 0;
1.117 schwarze 1125: req->q.equal = 1;
1126: req->q.manpath = mandoc_strdup(path);
1.135 schwarze 1127: req->q.arch = NULL;
1.117 schwarze 1128:
1129: /* Mandatory manual page name. */
1130: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1131: req->q.query = req->q.manpath;
1132: req->q.manpath = NULL;
1133: } else
1134: *req->q.query++ = '\0';
1135:
1136: /* Optional trailing section. */
1137: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1138: if(isdigit((unsigned char)req->q.sec[1])) {
1139: *req->q.sec++ = '\0';
1140: req->q.sec = mandoc_strdup(req->q.sec);
1141: } else
1142: req->q.sec = NULL;
1143: }
1144:
1145: /* Handle the case of name[.section] only. */
1.135 schwarze 1146: if (req->q.manpath == NULL)
1.117 schwarze 1147: return;
1.135 schwarze 1148: req->q.query = mandoc_strdup(req->q.query);
1149:
1150: /* Split directory components. */
1151: dir[i = 0] = req->q.manpath;
1152: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1153: if (++i == 3) {
1154: pg_error_badrequest(
1155: "You specified too many directory components.");
1156: exit(EXIT_FAILURE);
1157: }
1158: *dir[i]++ = '\0';
1.117 schwarze 1159: }
1160:
1.135 schwarze 1161: /* Optional manpath. */
1162: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1163: req->q.manpath = NULL;
1164: else if (dir[1] == NULL)
1165: return;
1.117 schwarze 1166:
1.135 schwarze 1167: /* Optional section. */
1168: if (strncmp(dir[i], "man", 3) == 0) {
1.127 schwarze 1169: free(req->q.sec);
1.135 schwarze 1170: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.117 schwarze 1171: }
1.135 schwarze 1172: if (dir[i] == NULL) {
1173: if (req->q.manpath == NULL)
1174: free(dir[0]);
1175: return;
1176: }
1177: if (dir[i + 1] != NULL) {
1178: pg_error_badrequest(
1179: "You specified an invalid directory component.");
1180: exit(EXIT_FAILURE);
1181: }
1182:
1183: /* Optional architecture. */
1184: if (i) {
1185: req->q.arch = mandoc_strdup(dir[i]);
1186: if (req->q.manpath == NULL)
1187: free(dir[0]);
1188: } else
1189: req->q.arch = dir[0];
1.24 kristaps 1190: }
1191:
1192: /*
1193: * Scan for indexable paths.
1194: */
1195: static void
1.129 schwarze 1196: parse_manpath_conf(struct req *req)
1.24 kristaps 1197: {
1.54 schwarze 1198: FILE *fp;
1199: char *dp;
1200: size_t dpsz;
1.115 schwarze 1201: ssize_t len;
1.54 schwarze 1202:
1.128 schwarze 1203: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1204: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1205: pg_error_internal();
1206: exit(EXIT_FAILURE);
1207: }
1.24 kristaps 1208:
1.115 schwarze 1209: dp = NULL;
1210: dpsz = 0;
1211:
1212: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1213: if (dp[len - 1] == '\n')
1214: dp[--len] = '\0';
1.54 schwarze 1215: req->p = mandoc_realloc(req->p,
1216: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1217: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1218: warnx("%s/manpath.conf contains "
1219: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1220: pg_error_internal();
1221: exit(EXIT_FAILURE);
1222: }
1.128 schwarze 1223: if (strchr(dp, '/') != NULL) {
1224: warnx("%s/manpath.conf contains "
1225: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1226: pg_error_internal();
1227: exit(EXIT_FAILURE);
1228: }
1229: req->p[req->psz++] = dp;
1.115 schwarze 1230: dp = NULL;
1231: dpsz = 0;
1.74 schwarze 1232: }
1.115 schwarze 1233: free(dp);
1.74 schwarze 1234:
1.128 schwarze 1235: if (req->p == NULL) {
1236: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1237: pg_error_internal();
1238: exit(EXIT_FAILURE);
1.24 kristaps 1239: }
1240: }
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