Annotation of mandoc/cgi.c, Revision 1.159
1.159 ! schwarze 1: /* $Id: cgi.c,v 1.158 2018/05/29 20:32:45 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 *);
1.159 ! schwarze 72: static void http_encode(const char *p);
1.129 schwarze 73: static void parse_manpath_conf(struct req *);
74: static void parse_path_info(struct req *req, const char *path);
75: static void parse_query_string(struct req *, const char *);
1.72 schwarze 76: static void pg_error_badrequest(const char *);
77: static void pg_error_internal(void);
78: static void pg_index(const struct req *);
79: static void pg_noresult(const struct req *, const char *);
1.149 schwarze 80: static void pg_redirect(const struct req *, const char *);
1.66 schwarze 81: static void pg_search(const struct req *);
1.72 schwarze 82: static void pg_searchres(const struct req *,
83: struct manpage *, size_t);
1.79 schwarze 84: static void pg_show(struct req *, const char *);
1.150 schwarze 85: static void resp_begin_html(int, const char *, const char *);
1.6 kristaps 86: static void resp_begin_http(int, const char *);
1.129 schwarze 87: static void resp_catman(const struct req *, const char *);
1.114 schwarze 88: static void resp_copy(const char *);
1.6 kristaps 89: static void resp_end_html(void);
1.129 schwarze 90: static void resp_format(const struct req *, const char *);
1.131 schwarze 91: static void resp_searchform(const struct req *, enum focus);
1.70 schwarze 92: static void resp_show(const struct req *, const char *);
1.85 schwarze 93: static void set_query_attr(char **, char **);
1.159 ! schwarze 94: static int validate_arch(const char *);
1.85 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 *);
1.6 kristaps 98:
1.119 schwarze 99: static const char *scriptname = SCRIPT_NAME;
1.1 kristaps 100:
1.70 schwarze 101: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.68 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",
1.96 schwarze 109: "3 - Library Functions",
110: "3p - Perl Library",
111: "4 - Device Drivers",
1.68 schwarze 112: "5 - File Formats",
113: "6 - Games",
1.96 schwarze 114: "7 - Miscellaneous Information",
115: "8 - System Manager\'s Manual",
116: "9 - Kernel Developer\'s Manual"
1.68 schwarze 117: };
118: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
119:
120: static const char *const arch_names[] = {
1.146 schwarze 121: "amd64", "alpha", "armv7", "arm64",
1.137 schwarze 122: "hppa", "i386", "landisk",
1.125 schwarze 123: "loongson", "luna88k", "macppc", "mips64",
1.140 schwarze 124: "octeon", "sgi", "socppc", "sparc64",
1.137 schwarze 125: "amiga", "arc", "armish", "arm32",
126: "atari", "aviion", "beagle", "cats",
127: "hppa64", "hp300",
1.125 schwarze 128: "ia64", "mac68k", "mvme68k", "mvme88k",
129: "mvmeppc", "palm", "pc532", "pegasos",
1.139 schwarze 130: "pmax", "powerpc", "solbourne", "sparc",
1.140 schwarze 131: "sun3", "vax", "wgrisc", "x68k",
132: "zaurus"
1.68 schwarze 133: };
134: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
135:
1.6 kristaps 136: /*
1.20 kristaps 137: * Print a character, escaping HTML along the way.
138: * This will pass non-ASCII straight to output: be warned!
139: */
1.10 kristaps 140: static void
141: html_putchar(char c)
142: {
143:
144: switch (c) {
1.155 schwarze 145: case '"':
1.141 schwarze 146: printf(""");
1.10 kristaps 147: break;
1.155 schwarze 148: case '&':
1.10 kristaps 149: printf("&");
150: break;
1.155 schwarze 151: case '>':
1.10 kristaps 152: printf(">");
153: break;
1.155 schwarze 154: case '<':
1.10 kristaps 155: printf("<");
156: break;
157: default:
158: putchar((unsigned char)c);
159: break;
160: }
161: }
1.57 schwarze 162:
1.6 kristaps 163: /*
1.20 kristaps 164: * Call through to html_putchar().
165: * Accepts NULL strings.
1.6 kristaps 166: */
1.1 kristaps 167: static void
1.6 kristaps 168: html_print(const char *p)
1.1 kristaps 169: {
1.104 schwarze 170:
1.6 kristaps 171: if (NULL == p)
172: return;
1.1 kristaps 173: while ('\0' != *p)
1.10 kristaps 174: html_putchar(*p++);
1.1 kristaps 175: }
176:
177: /*
1.83 schwarze 178: * Transfer the responsibility for the allocated string *val
179: * to the query structure.
1.1 kristaps 180: */
181: static void
1.83 schwarze 182: set_query_attr(char **attr, char **val)
1.1 kristaps 183: {
184:
1.83 schwarze 185: free(*attr);
186: if (**val == '\0') {
187: *attr = NULL;
188: free(*val);
189: } else
190: *attr = *val;
191: *val = NULL;
192: }
193:
194: /*
195: * Parse the QUERY_STRING for key-value pairs
196: * and store the values into the query structure.
197: */
198: static void
1.129 schwarze 199: parse_query_string(struct req *req, const char *qs)
1.83 schwarze 200: {
201: char *key, *val;
202: size_t keysz, valsz;
203:
1.121 schwarze 204: req->isquery = 1;
1.83 schwarze 205: req->q.manpath = NULL;
206: req->q.arch = NULL;
207: req->q.sec = NULL;
1.85 schwarze 208: req->q.query = NULL;
1.83 schwarze 209: req->q.equal = 1;
210:
211: key = val = NULL;
212: while (*qs != '\0') {
1.24 kristaps 213:
1.83 schwarze 214: /* Parse one key. */
215:
216: keysz = strcspn(qs, "=;&");
217: key = mandoc_strndup(qs, keysz);
218: qs += keysz;
219: if (*qs != '=')
220: goto next;
221:
222: /* Parse one value. */
223:
224: valsz = strcspn(++qs, ";&");
225: val = mandoc_strndup(qs, valsz);
226: qs += valsz;
227:
228: /* Decode and catch encoding errors. */
1.1 kristaps 229:
1.83 schwarze 230: if ( ! (http_decode(key) && http_decode(val)))
231: goto next;
1.1 kristaps 232:
1.83 schwarze 233: /* Handle key-value pairs. */
1.1 kristaps 234:
1.83 schwarze 235: if ( ! strcmp(key, "query"))
1.85 schwarze 236: set_query_attr(&req->q.query, &val);
1.1 kristaps 237:
1.83 schwarze 238: else if ( ! strcmp(key, "apropos"))
239: req->q.equal = !strcmp(val, "0");
240:
241: else if ( ! strcmp(key, "manpath")) {
1.73 schwarze 242: #ifdef COMPAT_OLDURI
1.83 schwarze 243: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.73 schwarze 244: val[7] = '-';
245: if ('C' == val[8])
246: val[8] = 'c';
247: }
248: #endif
1.83 schwarze 249: set_query_attr(&req->q.manpath, &val);
250: }
251:
252: else if ( ! (strcmp(key, "sec")
1.73 schwarze 253: #ifdef COMPAT_OLDURI
1.83 schwarze 254: && strcmp(key, "sektion")
1.73 schwarze 255: #endif
1.83 schwarze 256: )) {
257: if ( ! strcmp(val, "0"))
258: *val = '\0';
259: set_query_attr(&req->q.sec, &val);
1.65 schwarze 260: }
1.83 schwarze 261:
262: else if ( ! strcmp(key, "arch")) {
263: if ( ! strcmp(val, "default"))
264: *val = '\0';
265: set_query_attr(&req->q.arch, &val);
266: }
267:
268: /*
269: * The key must be freed in any case.
270: * The val may have been handed over to the query
271: * structure, in which case it is now NULL.
272: */
273: next:
274: free(key);
275: key = NULL;
276: free(val);
277: val = NULL;
278:
279: if (*qs != '\0')
280: qs++;
1.24 kristaps 281: }
1.1 kristaps 282: }
283:
284: /*
1.6 kristaps 285: * HTTP-decode a string. The standard explanation is that this turns
286: * "%4e+foo" into "n foo" in the regular way. This is done in-place
287: * over the allocated string.
1.1 kristaps 288: */
289: static int
1.24 kristaps 290: http_decode(char *p)
1.1 kristaps 291: {
292: char hex[3];
1.63 schwarze 293: char *q;
1.1 kristaps 294: int c;
295:
296: hex[2] = '\0';
297:
1.63 schwarze 298: q = p;
299: for ( ; '\0' != *p; p++, q++) {
1.1 kristaps 300: if ('%' == *p) {
301: if ('\0' == (hex[0] = *(p + 1)))
1.109 schwarze 302: return 0;
1.1 kristaps 303: if ('\0' == (hex[1] = *(p + 2)))
1.109 schwarze 304: return 0;
1.1 kristaps 305: if (1 != sscanf(hex, "%x", &c))
1.109 schwarze 306: return 0;
1.1 kristaps 307: if ('\0' == c)
1.109 schwarze 308: return 0;
1.1 kristaps 309:
1.63 schwarze 310: *q = (char)c;
311: p += 2;
1.1 kristaps 312: } else
1.63 schwarze 313: *q = '+' == *p ? ' ' : *p;
1.1 kristaps 314: }
315:
1.63 schwarze 316: *q = '\0';
1.109 schwarze 317: return 1;
1.1 kristaps 318: }
319:
1.6 kristaps 320: static void
1.159 ! schwarze 321: http_encode(const char *p)
! 322: {
! 323: for (; *p != '\0'; p++) {
! 324: if (isalnum((unsigned char)*p) == 0 &&
! 325: strchr("-._~", *p) == NULL)
! 326: printf("%%%02.2X", (unsigned char)*p);
! 327: else
! 328: putchar(*p);
! 329: }
! 330: }
! 331:
! 332: static void
1.6 kristaps 333: resp_begin_http(int code, const char *msg)
334: {
335:
336: if (200 != code)
1.62 schwarze 337: printf("Status: %d %s\r\n", code, msg);
1.6 kristaps 338:
1.62 schwarze 339: printf("Content-Type: text/html; charset=utf-8\r\n"
340: "Cache-Control: no-cache\r\n"
341: "Pragma: no-cache\r\n"
342: "\r\n");
1.6 kristaps 343:
344: fflush(stdout);
345: }
346:
347: static void
1.114 schwarze 348: resp_copy(const char *filename)
349: {
350: char buf[4096];
351: ssize_t sz;
352: int fd;
353:
354: if ((fd = open(filename, O_RDONLY)) != -1) {
355: fflush(stdout);
356: while ((sz = read(fd, buf, sizeof(buf))) > 0)
357: write(STDOUT_FILENO, buf, sz);
1.138 schwarze 358: close(fd);
1.114 schwarze 359: }
360: }
361:
362: static void
1.150 schwarze 363: resp_begin_html(int code, const char *msg, const char *file)
1.6 kristaps 364: {
1.150 schwarze 365: char *cp;
1.6 kristaps 366:
367: resp_begin_http(code, msg);
368:
1.98 kristaps 369: printf("<!DOCTYPE html>\n"
1.126 schwarze 370: "<html>\n"
371: "<head>\n"
1.143 schwarze 372: " <meta charset=\"UTF-8\"/>\n"
1.157 schwarze 373: " <meta name=\"viewport\""
374: " content=\"width=device-width, initial-scale=1.0\">\n"
1.143 schwarze 375: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.126 schwarze 376: " type=\"text/css\" media=\"all\">\n"
1.150 schwarze 377: " <title>",
378: CSS_DIR);
379: if (file != NULL) {
380: if ((cp = strrchr(file, '/')) != NULL)
381: file = cp + 1;
382: if ((cp = strrchr(file, '.')) != NULL) {
383: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
384: } else
385: printf("%s - ", file);
386: }
387: printf("%s</title>\n"
1.126 schwarze 388: "</head>\n"
1.142 schwarze 389: "<body>\n",
1.150 schwarze 390: CUSTOMIZE_TITLE);
1.114 schwarze 391:
392: resp_copy(MAN_DIR "/header.html");
1.6 kristaps 393: }
394:
395: static void
396: resp_end_html(void)
397: {
398:
1.114 schwarze 399: resp_copy(MAN_DIR "/footer.html");
400:
1.126 schwarze 401: puts("</body>\n"
402: "</html>");
1.6 kristaps 403: }
404:
405: static void
1.131 schwarze 406: resp_searchform(const struct req *req, enum focus focus)
1.6 kristaps 407: {
1.27 kristaps 408: int i;
1.13 kristaps 409:
1.142 schwarze 410: printf("<form action=\"/%s\" method=\"get\">\n"
1.143 schwarze 411: " <fieldset>\n"
412: " <legend>Manual Page Search Parameters</legend>\n",
1.58 schwarze 413: scriptname);
1.68 schwarze 414:
415: /* Write query input box. */
416:
1.158 schwarze 417: printf(" <input type=\"search\" name=\"query\" value=\"");
1.131 schwarze 418: if (req->q.query != NULL)
1.85 schwarze 419: html_print(req->q.query);
1.131 schwarze 420: printf( "\" size=\"40\"");
421: if (focus == FOCUS_QUERY)
422: printf(" autofocus");
423: puts(">");
1.68 schwarze 424:
1.132 schwarze 425: /* Write submission buttons. */
1.68 schwarze 426:
1.143 schwarze 427: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.132 schwarze 428: "man</button>\n"
1.143 schwarze 429: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
430: "apropos</button>\n"
431: " <br/>\n");
1.68 schwarze 432:
433: /* Write section selector. */
434:
1.143 schwarze 435: puts(" <select name=\"sec\">");
1.68 schwarze 436: for (i = 0; i < sec_MAX; i++) {
1.143 schwarze 437: printf(" <option value=\"%s\"", sec_numbers[i]);
1.68 schwarze 438: if (NULL != req->q.sec &&
439: 0 == strcmp(sec_numbers[i], req->q.sec))
1.126 schwarze 440: printf(" selected=\"selected\"");
441: printf(">%s</option>\n", sec_names[i]);
1.68 schwarze 442: }
1.143 schwarze 443: puts(" </select>");
1.68 schwarze 444:
445: /* Write architecture selector. */
446:
1.143 schwarze 447: printf( " <select name=\"arch\">\n"
448: " <option value=\"default\"");
1.81 schwarze 449: if (NULL == req->q.arch)
1.126 schwarze 450: printf(" selected=\"selected\"");
451: puts(">All Architectures</option>");
1.68 schwarze 452: for (i = 0; i < arch_MAX; i++) {
1.158 schwarze 453: printf(" <option");
1.68 schwarze 454: if (NULL != req->q.arch &&
455: 0 == strcmp(arch_names[i], req->q.arch))
1.126 schwarze 456: printf(" selected=\"selected\"");
457: printf(">%s</option>\n", arch_names[i]);
1.68 schwarze 458: }
1.143 schwarze 459: puts(" </select>");
1.68 schwarze 460:
461: /* Write manpath selector. */
462:
1.27 kristaps 463: if (req->psz > 1) {
1.143 schwarze 464: puts(" <select name=\"manpath\">");
1.27 kristaps 465: for (i = 0; i < (int)req->psz; i++) {
1.158 schwarze 466: printf(" <option");
1.102 schwarze 467: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.158 schwarze 468: printf(" selected=\"selected\"");
469: printf(">");
1.52 schwarze 470: html_print(req->p[i]);
1.126 schwarze 471: puts("</option>");
1.27 kristaps 472: }
1.143 schwarze 473: puts(" </select>");
1.27 kristaps 474: }
1.68 schwarze 475:
1.143 schwarze 476: puts(" </fieldset>\n"
1.142 schwarze 477: "</form>");
1.6 kristaps 478: }
479:
1.76 schwarze 480: static int
1.80 schwarze 481: validate_urifrag(const char *frag)
482: {
483:
484: while ('\0' != *frag) {
485: if ( ! (isalnum((unsigned char)*frag) ||
486: '-' == *frag || '.' == *frag ||
487: '/' == *frag || '_' == *frag))
1.109 schwarze 488: return 0;
1.80 schwarze 489: frag++;
490: }
1.109 schwarze 491: return 1;
1.80 schwarze 492: }
493:
494: static int
1.77 schwarze 495: validate_manpath(const struct req *req, const char* manpath)
496: {
497: size_t i;
498:
499: for (i = 0; i < req->psz; i++)
500: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 501: return 1;
1.77 schwarze 502:
1.109 schwarze 503: return 0;
1.77 schwarze 504: }
505:
506: static int
1.159 ! schwarze 507: validate_arch(const char *arch)
! 508: {
! 509: int i;
! 510:
! 511: for (i = 0; i < arch_MAX; i++)
! 512: if (strcmp(arch, arch_names[i]) == 0)
! 513: return 1;
! 514:
! 515: return 0;
! 516: }
! 517:
! 518: static int
1.76 schwarze 519: validate_filename(const char *file)
520: {
521:
522: if ('.' == file[0] && '/' == file[1])
523: file += 2;
524:
1.109 schwarze 525: return ! (strstr(file, "../") || strstr(file, "/..") ||
526: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 527: }
528:
1.6 kristaps 529: static void
1.72 schwarze 530: pg_index(const struct req *req)
1.6 kristaps 531: {
532:
1.150 schwarze 533: resp_begin_html(200, NULL, NULL);
1.131 schwarze 534: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 535: printf("<p>\n"
1.86 schwarze 536: "This web interface is documented in the\n"
1.144 schwarze 537: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 538: "manual, and the\n"
1.144 schwarze 539: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 540: "manual explains the query syntax.\n"
1.126 schwarze 541: "</p>\n",
1.119 schwarze 542: scriptname, *scriptname == '\0' ? "" : "/",
543: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 544: resp_end_html();
545: }
546:
547: static void
1.72 schwarze 548: pg_noresult(const struct req *req, const char *msg)
1.59 schwarze 549: {
1.150 schwarze 550: resp_begin_html(200, NULL, NULL);
1.131 schwarze 551: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 552: puts("<p>");
1.59 schwarze 553: puts(msg);
1.126 schwarze 554: puts("</p>");
1.59 schwarze 555: resp_end_html();
556: }
557:
558: static void
1.72 schwarze 559: pg_error_badrequest(const char *msg)
1.9 kristaps 560: {
561:
1.150 schwarze 562: resp_begin_html(400, "Bad Request", NULL);
1.126 schwarze 563: puts("<h1>Bad Request</h1>\n"
564: "<p>\n");
1.59 schwarze 565: puts(msg);
566: printf("Try again from the\n"
1.126 schwarze 567: "<a href=\"/%s\">main page</a>.\n"
568: "</p>", scriptname);
1.9 kristaps 569: resp_end_html();
570: }
571:
572: static void
1.72 schwarze 573: pg_error_internal(void)
1.7 kristaps 574: {
1.150 schwarze 575: resp_begin_html(500, "Internal Server Error", NULL);
1.126 schwarze 576: puts("<p>Internal Server Error</p>");
1.7 kristaps 577: resp_end_html();
578: }
579:
580: static void
1.149 schwarze 581: pg_redirect(const struct req *req, const char *name)
582: {
1.153 schwarze 583: printf("Status: 303 See Other\r\n"
584: "Location: /");
1.149 schwarze 585: if (*scriptname != '\0')
586: printf("%s/", scriptname);
587: if (strcmp(req->q.manpath, req->p[0]))
588: printf("%s/", req->q.manpath);
589: if (req->q.arch != NULL)
590: printf("%s/", req->q.arch);
1.159 ! schwarze 591: http_encode(name);
! 592: if (req->q.sec != NULL) {
! 593: putchar('.');
! 594: http_encode(req->q.sec);
! 595: }
1.149 schwarze 596: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
597: }
598:
599: static void
1.72 schwarze 600: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 601: {
1.81 schwarze 602: char *arch, *archend;
1.120 schwarze 603: const char *sec;
604: size_t i, iuse;
1.81 schwarze 605: int archprio, archpriouse;
1.70 schwarze 606: int prio, priouse;
1.19 kristaps 607:
1.76 schwarze 608: for (i = 0; i < sz; i++) {
609: if (validate_filename(r[i].file))
610: continue;
1.128 schwarze 611: warnx("invalid filename %s in %s database",
1.76 schwarze 612: r[i].file, req->q.manpath);
613: pg_error_internal();
614: return;
615: }
616:
1.121 schwarze 617: if (req->isquery && sz == 1) {
1.6 kristaps 618: /*
619: * If we have just one result, then jump there now
620: * without any delay.
621: */
1.153 schwarze 622: printf("Status: 303 See Other\r\n"
623: "Location: /");
624: if (*scriptname != '\0')
625: printf("%s/", scriptname);
626: if (strcmp(req->q.manpath, req->p[0]))
627: printf("%s/", req->q.manpath);
628: printf("%s\r\n"
629: "Content-Type: text/html; charset=utf-8\r\n\r\n",
630: r[0].file);
1.6 kristaps 631: return;
632: }
633:
1.70 schwarze 634: /*
635: * In man(1) mode, show one of the pages
636: * even if more than one is found.
637: */
638:
1.150 schwarze 639: iuse = 0;
1.123 schwarze 640: if (req->q.equal || sz == 1) {
1.120 schwarze 641: priouse = 20;
1.81 schwarze 642: archpriouse = 3;
1.70 schwarze 643: for (i = 0; i < sz; i++) {
1.120 schwarze 644: sec = r[i].file;
645: sec += strcspn(sec, "123456789");
646: if (sec[0] == '\0')
1.70 schwarze 647: continue;
1.120 schwarze 648: prio = sec_prios[sec[0] - '1'];
649: if (sec[1] != '/')
650: prio += 10;
651: if (req->q.arch == NULL) {
1.81 schwarze 652: archprio =
1.120 schwarze 653: ((arch = strchr(sec + 1, '/'))
654: == NULL) ? 3 :
655: ((archend = strchr(arch + 1, '/'))
656: == NULL) ? 0 :
1.81 schwarze 657: strncmp(arch, "amd64/",
658: archend - arch) ? 2 : 1;
659: if (archprio < archpriouse) {
660: archpriouse = archprio;
661: priouse = prio;
662: iuse = i;
663: continue;
664: }
665: if (archprio > archpriouse)
666: continue;
667: }
1.70 schwarze 668: if (prio >= priouse)
669: continue;
670: priouse = prio;
671: iuse = i;
672: }
1.150 schwarze 673: resp_begin_html(200, NULL, r[iuse].file);
674: } else
675: resp_begin_html(200, NULL, NULL);
676:
677: resp_searchform(req,
678: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
679:
680: if (sz > 1) {
681: puts("<table class=\"results\">");
682: for (i = 0; i < sz; i++) {
683: printf(" <tr>\n"
684: " <td>"
1.151 schwarze 685: "<a class=\"Xr\" href=\"/");
686: if (*scriptname != '\0')
687: printf("%s/", scriptname);
688: if (strcmp(req->q.manpath, req->p[0]))
689: printf("%s/", req->q.manpath);
690: printf("%s\">", r[i].file);
1.150 schwarze 691: html_print(r[i].names);
692: printf("</a></td>\n"
693: " <td><span class=\"Nd\">");
694: html_print(r[i].output);
695: puts("</span></td>\n"
696: " </tr>");
697: }
698: puts("</table>");
699: }
700:
701: if (req->q.equal || sz == 1) {
702: puts("<hr>");
1.70 schwarze 703: resp_show(req, r[iuse].file);
704: }
705:
1.6 kristaps 706: resp_end_html();
707: }
708:
1.1 kristaps 709: static void
1.129 schwarze 710: resp_catman(const struct req *req, const char *file)
1.9 kristaps 711: {
1.10 kristaps 712: FILE *f;
1.115 schwarze 713: char *p;
714: size_t sz;
715: ssize_t len;
1.10 kristaps 716: int i;
717: int italic, bold;
1.9 kristaps 718:
1.115 schwarze 719: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 720: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 721: return;
722: }
723:
1.126 schwarze 724: puts("<div class=\"catman\">\n"
725: "<pre>");
1.10 kristaps 726:
1.115 schwarze 727: p = NULL;
728: sz = 0;
729:
730: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 731: bold = italic = 0;
1.115 schwarze 732: for (i = 0; i < len - 1; i++) {
1.104 schwarze 733: /*
1.10 kristaps 734: * This means that the catpage is out of state.
735: * Ignore it and keep going (although the
736: * catpage is bogus).
737: */
738:
739: if ('\b' == p[i] || '\n' == p[i])
740: continue;
741:
742: /*
743: * Print a regular character.
744: * Close out any bold/italic scopes.
745: * If we're in back-space mode, make sure we'll
746: * have something to enter when we backspace.
747: */
748:
749: if ('\b' != p[i + 1]) {
750: if (italic)
1.126 schwarze 751: printf("</i>");
1.10 kristaps 752: if (bold)
1.126 schwarze 753: printf("</b>");
1.10 kristaps 754: italic = bold = 0;
755: html_putchar(p[i]);
756: continue;
1.115 schwarze 757: } else if (i + 2 >= len)
1.10 kristaps 758: continue;
759:
760: /* Italic mode. */
761:
762: if ('_' == p[i]) {
763: if (bold)
1.126 schwarze 764: printf("</b>");
1.10 kristaps 765: if ( ! italic)
1.126 schwarze 766: printf("<i>");
1.10 kristaps 767: bold = 0;
768: italic = 1;
769: i += 2;
770: html_putchar(p[i]);
771: continue;
772: }
773:
1.104 schwarze 774: /*
1.10 kristaps 775: * Handle funny behaviour troff-isms.
776: * These grok'd from the original man2html.c.
777: */
778:
779: if (('+' == p[i] && 'o' == p[i + 2]) ||
780: ('o' == p[i] && '+' == p[i + 2]) ||
781: ('|' == p[i] && '=' == p[i + 2]) ||
782: ('=' == p[i] && '|' == p[i + 2]) ||
783: ('*' == p[i] && '=' == p[i + 2]) ||
784: ('=' == p[i] && '*' == p[i + 2]) ||
785: ('*' == p[i] && '|' == p[i + 2]) ||
786: ('|' == p[i] && '*' == p[i + 2])) {
787: if (italic)
1.126 schwarze 788: printf("</i>");
1.10 kristaps 789: if (bold)
1.126 schwarze 790: printf("</b>");
1.10 kristaps 791: italic = bold = 0;
792: putchar('*');
793: i += 2;
794: continue;
795: } else if (('|' == p[i] && '-' == p[i + 2]) ||
796: ('-' == p[i] && '|' == p[i + 1]) ||
797: ('+' == p[i] && '-' == p[i + 1]) ||
798: ('-' == p[i] && '+' == p[i + 1]) ||
799: ('+' == p[i] && '|' == p[i + 1]) ||
800: ('|' == p[i] && '+' == p[i + 1])) {
801: if (italic)
1.126 schwarze 802: printf("</i>");
1.10 kristaps 803: if (bold)
1.126 schwarze 804: printf("</b>");
1.10 kristaps 805: italic = bold = 0;
806: putchar('+');
807: i += 2;
808: continue;
809: }
810:
811: /* Bold mode. */
1.104 schwarze 812:
1.10 kristaps 813: if (italic)
1.126 schwarze 814: printf("</i>");
1.10 kristaps 815: if ( ! bold)
1.126 schwarze 816: printf("<b>");
1.10 kristaps 817: bold = 1;
818: italic = 0;
819: i += 2;
820: html_putchar(p[i]);
821: }
822:
1.104 schwarze 823: /*
1.10 kristaps 824: * Clean up the last character.
1.104 schwarze 825: * We can get to a newline; don't print that.
1.10 kristaps 826: */
1.9 kristaps 827:
1.10 kristaps 828: if (italic)
1.126 schwarze 829: printf("</i>");
1.10 kristaps 830: if (bold)
1.126 schwarze 831: printf("</b>");
1.9 kristaps 832:
1.115 schwarze 833: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 834: html_putchar(p[i]);
1.9 kristaps 835:
1.10 kristaps 836: putchar('\n');
837: }
1.115 schwarze 838: free(p);
1.10 kristaps 839:
1.126 schwarze 840: puts("</pre>\n"
841: "</div>");
1.10 kristaps 842:
843: fclose(f);
1.9 kristaps 844: }
845:
846: static void
1.129 schwarze 847: resp_format(const struct req *req, const char *file)
1.7 kristaps 848: {
1.106 schwarze 849: struct manoutput conf;
1.8 kristaps 850: struct mparse *mp;
1.107 schwarze 851: struct roff_man *man;
1.8 kristaps 852: void *vp;
1.90 schwarze 853: int fd;
854: int usepath;
1.7 kristaps 855:
1.8 kristaps 856: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 857: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 858: return;
859: }
860:
1.110 schwarze 861: mchars_alloc();
1.136 schwarze 862: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
1.156 schwarze 863: MANDOCERR_MAX, NULL, MANDOC_OS_OTHER, req->q.manpath);
1.103 schwarze 864: mparse_readfd(mp, fd, file);
1.8 kristaps 865: close(fd);
1.7 kristaps 866:
1.106 schwarze 867: memset(&conf, 0, sizeof(conf));
868: conf.fragment = 1;
1.145 schwarze 869: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 870: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 schwarze 871: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
872: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 873: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 874:
1.108 schwarze 875: mparse_result(mp, &man, NULL);
876: if (man == NULL) {
1.128 schwarze 877: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.72 schwarze 878: pg_error_internal();
1.32 kristaps 879: mparse_free(mp);
1.110 schwarze 880: mchars_free();
1.32 kristaps 881: return;
882: }
883:
1.110 schwarze 884: vp = html_alloc(&conf);
1.7 kristaps 885:
1.111 schwarze 886: if (man->macroset == MACROSET_MDOC) {
887: mdoc_validate(man);
1.108 schwarze 888: html_mdoc(vp, man);
1.112 schwarze 889: } else {
890: man_validate(man);
1.8 kristaps 891: html_man(vp, man);
1.112 schwarze 892: }
1.32 kristaps 893:
1.8 kristaps 894: html_free(vp);
895: mparse_free(mp);
1.110 schwarze 896: mchars_free();
1.106 schwarze 897: free(conf.man);
1.145 schwarze 898: free(conf.style);
1.7 kristaps 899: }
900:
901: static void
1.70 schwarze 902: resp_show(const struct req *req, const char *file)
903: {
1.76 schwarze 904:
905: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 906: file += 2;
1.70 schwarze 907:
908: if ('c' == *file)
1.129 schwarze 909: resp_catman(req, file);
1.70 schwarze 910: else
1.129 schwarze 911: resp_format(req, file);
1.70 schwarze 912: }
913:
914: static void
1.84 schwarze 915: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 916: {
1.84 schwarze 917: char *manpath;
918: const char *file;
1.25 kristaps 919:
1.84 schwarze 920: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 921: pg_error_badrequest(
1.59 schwarze 922: "You did not specify a page to show.");
1.25 kristaps 923: return;
1.104 schwarze 924: }
1.84 schwarze 925: manpath = mandoc_strndup(fullpath, file - fullpath);
926: file++;
1.6 kristaps 927:
1.84 schwarze 928: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 929: pg_error_badrequest(
930: "You specified an invalid manpath.");
1.84 schwarze 931: free(manpath);
1.77 schwarze 932: return;
933: }
934:
1.24 kristaps 935: /*
1.58 schwarze 936: * Begin by chdir()ing into the manpath.
1.24 kristaps 937: * This way we can pick up the database files, which are
938: * relative to the manpath root.
939: */
940:
1.84 schwarze 941: if (chdir(manpath) == -1) {
1.128 schwarze 942: warn("chdir %s", manpath);
1.77 schwarze 943: pg_error_internal();
1.84 schwarze 944: free(manpath);
1.76 schwarze 945: return;
946: }
1.134 schwarze 947: free(manpath);
1.84 schwarze 948:
949: if ( ! validate_filename(file)) {
1.76 schwarze 950: pg_error_badrequest(
951: "You specified an invalid manual file.");
1.24 kristaps 952: return;
953: }
1.79 schwarze 954:
1.150 schwarze 955: resp_begin_html(200, NULL, file);
1.131 schwarze 956: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 957: resp_show(req, file);
1.70 schwarze 958: resp_end_html();
1.6 kristaps 959: }
960:
961: static void
1.66 schwarze 962: pg_search(const struct req *req)
1.6 kristaps 963: {
1.52 schwarze 964: struct mansearch search;
965: struct manpaths paths;
966: struct manpage *res;
1.97 schwarze 967: char **argv;
968: char *query, *rp, *wp;
1.52 schwarze 969: size_t ressz;
1.97 schwarze 970: int argc;
1.6 kristaps 971:
972: /*
1.24 kristaps 973: * Begin by chdir()ing into the root of the manpath.
974: * This way we can pick up the database files, which are
975: * relative to the manpath root.
976: */
977:
1.128 schwarze 978: if (chdir(req->q.manpath) == -1) {
979: warn("chdir %s", req->q.manpath);
1.77 schwarze 980: pg_error_internal();
1.24 kristaps 981: return;
982: }
983:
1.52 schwarze 984: search.arch = req->q.arch;
985: search.sec = req->q.sec;
1.94 schwarze 986: search.outkey = "Nd";
987: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 988: search.firstmatch = 1;
1.52 schwarze 989:
990: paths.sz = 1;
991: paths.paths = mandoc_malloc(sizeof(char *));
992: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 993:
994: /*
1.97 schwarze 995: * Break apart at spaces with backslash-escaping.
1.6 kristaps 996: */
997:
1.97 schwarze 998: argc = 0;
999: argv = NULL;
1000: rp = query = mandoc_strdup(req->q.query);
1001: for (;;) {
1002: while (isspace((unsigned char)*rp))
1003: rp++;
1004: if (*rp == '\0')
1005: break;
1006: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
1007: argv[argc++] = wp = rp;
1008: for (;;) {
1009: if (isspace((unsigned char)*rp)) {
1010: *wp = '\0';
1011: rp++;
1012: break;
1013: }
1014: if (rp[0] == '\\' && rp[1] != '\0')
1015: rp++;
1016: if (wp != rp)
1017: *wp = *rp;
1018: if (*rp == '\0')
1019: break;
1020: wp++;
1021: rp++;
1022: }
1.6 kristaps 1023: }
1024:
1.149 schwarze 1025: res = NULL;
1026: ressz = 0;
1027: if (req->isquery && req->q.equal && argc == 1)
1028: pg_redirect(req, argv[0]);
1029: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.72 schwarze 1030: pg_noresult(req, "You entered an invalid query.");
1.149 schwarze 1031: else if (ressz == 0)
1.72 schwarze 1032: pg_noresult(req, "No results found.");
1.59 schwarze 1033: else
1.72 schwarze 1034: pg_searchres(req, res, ressz);
1.6 kristaps 1035:
1.97 schwarze 1036: free(query);
1037: mansearch_free(res, ressz);
1.52 schwarze 1038: free(paths.paths[0]);
1039: free(paths.paths);
1.1 kristaps 1040: }
1041:
1042: int
1043: main(void)
1044: {
1.66 schwarze 1045: struct req req;
1.95 schwarze 1046: struct itimerval itimer;
1.66 schwarze 1047: const char *path;
1.83 schwarze 1048: const char *querystring;
1.1 kristaps 1049: int i;
1.148 schwarze 1050:
1051: #if HAVE_PLEDGE
1052: /*
1053: * The "rpath" pledge could be revoked after mparse_readfd()
1054: * if the file desciptor to "/footer.html" would be opened
1055: * up front, but it's probably not worth the complication
1056: * of the code it would cause: it would require scattering
1057: * pledge() calls in multiple low-level resp_*() functions.
1058: */
1059:
1060: if (pledge("stdio rpath", NULL) == -1) {
1061: warn("pledge");
1062: pg_error_internal();
1063: return EXIT_FAILURE;
1064: }
1065: #endif
1.95 schwarze 1066:
1067: /* Poor man's ReDoS mitigation. */
1068:
1.99 schwarze 1069: itimer.it_value.tv_sec = 2;
1.95 schwarze 1070: itimer.it_value.tv_usec = 0;
1.99 schwarze 1071: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1072: itimer.it_interval.tv_usec = 0;
1073: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1074: warn("setitimer");
1.80 schwarze 1075: pg_error_internal();
1.109 schwarze 1076: return EXIT_FAILURE;
1.80 schwarze 1077: }
1078:
1.24 kristaps 1079: /*
1.67 schwarze 1080: * First we change directory into the MAN_DIR so that
1.24 kristaps 1081: * subsequent scanning for manpath directories is rooted
1082: * relative to the same position.
1083: */
1084:
1.128 schwarze 1085: if (chdir(MAN_DIR) == -1) {
1086: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1087: pg_error_internal();
1.109 schwarze 1088: return EXIT_FAILURE;
1.104 schwarze 1089: }
1.24 kristaps 1090:
1091: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1092: req.q.equal = 1;
1.129 schwarze 1093: parse_manpath_conf(&req);
1.1 kristaps 1094:
1.117 schwarze 1095: /* Parse the path info and the query string. */
1.1 kristaps 1096:
1.117 schwarze 1097: if ((path = getenv("PATH_INFO")) == NULL)
1098: path = "";
1099: else if (*path == '/')
1100: path++;
1101:
1.124 schwarze 1102: if (*path != '\0') {
1.129 schwarze 1103: parse_path_info(&req, path);
1.154 schwarze 1104: if (req.q.manpath == NULL || req.q.sec == NULL ||
1105: *req.q.query == '\0' || access(path, F_OK) == -1)
1.124 schwarze 1106: path = "";
1.117 schwarze 1107: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1108: parse_query_string(&req, querystring);
1.77 schwarze 1109:
1.117 schwarze 1110: /* Validate parsed data and add defaults. */
1111:
1.102 schwarze 1112: if (req.q.manpath == NULL)
1113: req.q.manpath = mandoc_strdup(req.p[0]);
1114: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1115: pg_error_badrequest(
1116: "You specified an invalid manpath.");
1.109 schwarze 1117: return EXIT_FAILURE;
1.77 schwarze 1118: }
1.1 kristaps 1119:
1.159 ! schwarze 1120: if (req.q.arch != NULL && validate_arch(req.q.arch) == 0) {
1.80 schwarze 1121: pg_error_badrequest(
1122: "You specified an invalid architecture.");
1.109 schwarze 1123: return EXIT_FAILURE;
1.80 schwarze 1124: }
1125:
1.66 schwarze 1126: /* Dispatch to the three different pages. */
1.1 kristaps 1127:
1.66 schwarze 1128: if ('\0' != *path)
1129: pg_show(&req, path);
1.85 schwarze 1130: else if (NULL != req.q.query)
1.66 schwarze 1131: pg_search(&req);
1132: else
1.72 schwarze 1133: pg_index(&req);
1.1 kristaps 1134:
1.83 schwarze 1135: free(req.q.manpath);
1136: free(req.q.arch);
1137: free(req.q.sec);
1.85 schwarze 1138: free(req.q.query);
1.52 schwarze 1139: for (i = 0; i < (int)req.psz; i++)
1140: free(req.p[i]);
1.24 kristaps 1141: free(req.p);
1.109 schwarze 1142: return EXIT_SUCCESS;
1.117 schwarze 1143: }
1144:
1145: /*
1146: * If PATH_INFO is not a file name, translate it to a query.
1147: */
1148: static void
1.129 schwarze 1149: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1150: {
1.135 schwarze 1151: char *dir[4];
1152: int i;
1.117 schwarze 1153:
1.121 schwarze 1154: req->isquery = 0;
1.117 schwarze 1155: req->q.equal = 1;
1156: req->q.manpath = mandoc_strdup(path);
1.135 schwarze 1157: req->q.arch = NULL;
1.117 schwarze 1158:
1159: /* Mandatory manual page name. */
1160: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1161: req->q.query = req->q.manpath;
1162: req->q.manpath = NULL;
1163: } else
1164: *req->q.query++ = '\0';
1165:
1166: /* Optional trailing section. */
1167: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1168: if(isdigit((unsigned char)req->q.sec[1])) {
1169: *req->q.sec++ = '\0';
1170: req->q.sec = mandoc_strdup(req->q.sec);
1171: } else
1172: req->q.sec = NULL;
1173: }
1174:
1175: /* Handle the case of name[.section] only. */
1.135 schwarze 1176: if (req->q.manpath == NULL)
1.117 schwarze 1177: return;
1.135 schwarze 1178: req->q.query = mandoc_strdup(req->q.query);
1179:
1180: /* Split directory components. */
1181: dir[i = 0] = req->q.manpath;
1182: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1183: if (++i == 3) {
1184: pg_error_badrequest(
1185: "You specified too many directory components.");
1186: exit(EXIT_FAILURE);
1187: }
1188: *dir[i]++ = '\0';
1.117 schwarze 1189: }
1190:
1.135 schwarze 1191: /* Optional manpath. */
1192: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1193: req->q.manpath = NULL;
1194: else if (dir[1] == NULL)
1195: return;
1.117 schwarze 1196:
1.135 schwarze 1197: /* Optional section. */
1198: if (strncmp(dir[i], "man", 3) == 0) {
1.127 schwarze 1199: free(req->q.sec);
1.135 schwarze 1200: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.117 schwarze 1201: }
1.135 schwarze 1202: if (dir[i] == NULL) {
1203: if (req->q.manpath == NULL)
1204: free(dir[0]);
1205: return;
1206: }
1207: if (dir[i + 1] != NULL) {
1208: pg_error_badrequest(
1209: "You specified an invalid directory component.");
1210: exit(EXIT_FAILURE);
1211: }
1212:
1213: /* Optional architecture. */
1214: if (i) {
1215: req->q.arch = mandoc_strdup(dir[i]);
1216: if (req->q.manpath == NULL)
1217: free(dir[0]);
1218: } else
1219: req->q.arch = dir[0];
1.24 kristaps 1220: }
1221:
1222: /*
1223: * Scan for indexable paths.
1224: */
1225: static void
1.129 schwarze 1226: parse_manpath_conf(struct req *req)
1.24 kristaps 1227: {
1.54 schwarze 1228: FILE *fp;
1229: char *dp;
1230: size_t dpsz;
1.115 schwarze 1231: ssize_t len;
1.54 schwarze 1232:
1.128 schwarze 1233: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1234: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1235: pg_error_internal();
1236: exit(EXIT_FAILURE);
1237: }
1.24 kristaps 1238:
1.115 schwarze 1239: dp = NULL;
1240: dpsz = 0;
1241:
1242: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1243: if (dp[len - 1] == '\n')
1244: dp[--len] = '\0';
1.54 schwarze 1245: req->p = mandoc_realloc(req->p,
1246: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1247: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1248: warnx("%s/manpath.conf contains "
1249: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1250: pg_error_internal();
1251: exit(EXIT_FAILURE);
1252: }
1.128 schwarze 1253: if (strchr(dp, '/') != NULL) {
1254: warnx("%s/manpath.conf contains "
1255: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1256: pg_error_internal();
1257: exit(EXIT_FAILURE);
1258: }
1259: req->p[req->psz++] = dp;
1.115 schwarze 1260: dp = NULL;
1261: dpsz = 0;
1.74 schwarze 1262: }
1.115 schwarze 1263: free(dp);
1.74 schwarze 1264:
1.128 schwarze 1265: if (req->p == NULL) {
1266: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1267: pg_error_internal();
1268: exit(EXIT_FAILURE);
1.24 kristaps 1269: }
1270: }
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