Annotation of mandoc/cgi.c, Revision 1.157
1.157 ! schwarze 1: /* $Id: cgi.c,v 1.156 2017/06/24 14:38:32 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:
1.143 schwarze 403: printf(" <input type=\"text\" 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++) {
1.143 schwarze 439: printf(" <option value=\"%s\"", arch_names[i]);
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++) {
1.143 schwarze 452: printf(" <option ");
1.102 schwarze 453: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.126 schwarze 454: printf("selected=\"selected\" ");
455: printf("value=\"");
1.52 schwarze 456: html_print(req->p[i]);
1.27 kristaps 457: printf("\">");
1.52 schwarze 458: html_print(req->p[i]);
1.126 schwarze 459: puts("</option>");
1.27 kristaps 460: }
1.143 schwarze 461: puts(" </select>");
1.27 kristaps 462: }
1.68 schwarze 463:
1.143 schwarze 464: puts(" </fieldset>\n"
1.142 schwarze 465: "</form>");
1.6 kristaps 466: }
467:
1.76 schwarze 468: static int
1.80 schwarze 469: validate_urifrag(const char *frag)
470: {
471:
472: while ('\0' != *frag) {
473: if ( ! (isalnum((unsigned char)*frag) ||
474: '-' == *frag || '.' == *frag ||
475: '/' == *frag || '_' == *frag))
1.109 schwarze 476: return 0;
1.80 schwarze 477: frag++;
478: }
1.109 schwarze 479: return 1;
1.80 schwarze 480: }
481:
482: static int
1.77 schwarze 483: validate_manpath(const struct req *req, const char* manpath)
484: {
485: size_t i;
486:
487: for (i = 0; i < req->psz; i++)
488: if ( ! strcmp(manpath, req->p[i]))
1.109 schwarze 489: return 1;
1.77 schwarze 490:
1.109 schwarze 491: return 0;
1.77 schwarze 492: }
493:
494: static int
1.76 schwarze 495: validate_filename(const char *file)
496: {
497:
498: if ('.' == file[0] && '/' == file[1])
499: file += 2;
500:
1.109 schwarze 501: return ! (strstr(file, "../") || strstr(file, "/..") ||
502: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.76 schwarze 503: }
504:
1.6 kristaps 505: static void
1.72 schwarze 506: pg_index(const struct req *req)
1.6 kristaps 507: {
508:
1.150 schwarze 509: resp_begin_html(200, NULL, NULL);
1.131 schwarze 510: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 511: printf("<p>\n"
1.86 schwarze 512: "This web interface is documented in the\n"
1.144 schwarze 513: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.86 schwarze 514: "manual, and the\n"
1.144 schwarze 515: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.69 schwarze 516: "manual explains the query syntax.\n"
1.126 schwarze 517: "</p>\n",
1.119 schwarze 518: scriptname, *scriptname == '\0' ? "" : "/",
519: scriptname, *scriptname == '\0' ? "" : "/");
1.6 kristaps 520: resp_end_html();
521: }
522:
523: static void
1.72 schwarze 524: pg_noresult(const struct req *req, const char *msg)
1.59 schwarze 525: {
1.150 schwarze 526: resp_begin_html(200, NULL, NULL);
1.131 schwarze 527: resp_searchform(req, FOCUS_QUERY);
1.126 schwarze 528: puts("<p>");
1.59 schwarze 529: puts(msg);
1.126 schwarze 530: puts("</p>");
1.59 schwarze 531: resp_end_html();
532: }
533:
534: static void
1.72 schwarze 535: pg_error_badrequest(const char *msg)
1.9 kristaps 536: {
537:
1.150 schwarze 538: resp_begin_html(400, "Bad Request", NULL);
1.126 schwarze 539: puts("<h1>Bad Request</h1>\n"
540: "<p>\n");
1.59 schwarze 541: puts(msg);
542: printf("Try again from the\n"
1.126 schwarze 543: "<a href=\"/%s\">main page</a>.\n"
544: "</p>", scriptname);
1.9 kristaps 545: resp_end_html();
546: }
547:
548: static void
1.72 schwarze 549: pg_error_internal(void)
1.7 kristaps 550: {
1.150 schwarze 551: resp_begin_html(500, "Internal Server Error", NULL);
1.126 schwarze 552: puts("<p>Internal Server Error</p>");
1.7 kristaps 553: resp_end_html();
554: }
555:
556: static void
1.149 schwarze 557: pg_redirect(const struct req *req, const char *name)
558: {
1.153 schwarze 559: printf("Status: 303 See Other\r\n"
560: "Location: /");
1.149 schwarze 561: if (*scriptname != '\0')
562: printf("%s/", scriptname);
563: if (strcmp(req->q.manpath, req->p[0]))
564: printf("%s/", req->q.manpath);
565: if (req->q.arch != NULL)
566: printf("%s/", req->q.arch);
567: printf("%s", name);
568: if (req->q.sec != NULL)
569: printf(".%s", req->q.sec);
570: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
571: }
572:
573: static void
1.72 schwarze 574: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 575: {
1.81 schwarze 576: char *arch, *archend;
1.120 schwarze 577: const char *sec;
578: size_t i, iuse;
1.81 schwarze 579: int archprio, archpriouse;
1.70 schwarze 580: int prio, priouse;
1.19 kristaps 581:
1.76 schwarze 582: for (i = 0; i < sz; i++) {
583: if (validate_filename(r[i].file))
584: continue;
1.128 schwarze 585: warnx("invalid filename %s in %s database",
1.76 schwarze 586: r[i].file, req->q.manpath);
587: pg_error_internal();
588: return;
589: }
590:
1.121 schwarze 591: if (req->isquery && sz == 1) {
1.6 kristaps 592: /*
593: * If we have just one result, then jump there now
594: * without any delay.
595: */
1.153 schwarze 596: printf("Status: 303 See Other\r\n"
597: "Location: /");
598: if (*scriptname != '\0')
599: printf("%s/", scriptname);
600: if (strcmp(req->q.manpath, req->p[0]))
601: printf("%s/", req->q.manpath);
602: printf("%s\r\n"
603: "Content-Type: text/html; charset=utf-8\r\n\r\n",
604: r[0].file);
1.6 kristaps 605: return;
606: }
607:
1.70 schwarze 608: /*
609: * In man(1) mode, show one of the pages
610: * even if more than one is found.
611: */
612:
1.150 schwarze 613: iuse = 0;
1.123 schwarze 614: if (req->q.equal || sz == 1) {
1.120 schwarze 615: priouse = 20;
1.81 schwarze 616: archpriouse = 3;
1.70 schwarze 617: for (i = 0; i < sz; i++) {
1.120 schwarze 618: sec = r[i].file;
619: sec += strcspn(sec, "123456789");
620: if (sec[0] == '\0')
1.70 schwarze 621: continue;
1.120 schwarze 622: prio = sec_prios[sec[0] - '1'];
623: if (sec[1] != '/')
624: prio += 10;
625: if (req->q.arch == NULL) {
1.81 schwarze 626: archprio =
1.120 schwarze 627: ((arch = strchr(sec + 1, '/'))
628: == NULL) ? 3 :
629: ((archend = strchr(arch + 1, '/'))
630: == NULL) ? 0 :
1.81 schwarze 631: strncmp(arch, "amd64/",
632: archend - arch) ? 2 : 1;
633: if (archprio < archpriouse) {
634: archpriouse = archprio;
635: priouse = prio;
636: iuse = i;
637: continue;
638: }
639: if (archprio > archpriouse)
640: continue;
641: }
1.70 schwarze 642: if (prio >= priouse)
643: continue;
644: priouse = prio;
645: iuse = i;
646: }
1.150 schwarze 647: resp_begin_html(200, NULL, r[iuse].file);
648: } else
649: resp_begin_html(200, NULL, NULL);
650:
651: resp_searchform(req,
652: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
653:
654: if (sz > 1) {
655: puts("<table class=\"results\">");
656: for (i = 0; i < sz; i++) {
657: printf(" <tr>\n"
658: " <td>"
1.151 schwarze 659: "<a class=\"Xr\" href=\"/");
660: if (*scriptname != '\0')
661: printf("%s/", scriptname);
662: if (strcmp(req->q.manpath, req->p[0]))
663: printf("%s/", req->q.manpath);
664: printf("%s\">", r[i].file);
1.150 schwarze 665: html_print(r[i].names);
666: printf("</a></td>\n"
667: " <td><span class=\"Nd\">");
668: html_print(r[i].output);
669: puts("</span></td>\n"
670: " </tr>");
671: }
672: puts("</table>");
673: }
674:
675: if (req->q.equal || sz == 1) {
676: puts("<hr>");
1.70 schwarze 677: resp_show(req, r[iuse].file);
678: }
679:
1.6 kristaps 680: resp_end_html();
681: }
682:
1.1 kristaps 683: static void
1.129 schwarze 684: resp_catman(const struct req *req, const char *file)
1.9 kristaps 685: {
1.10 kristaps 686: FILE *f;
1.115 schwarze 687: char *p;
688: size_t sz;
689: ssize_t len;
1.10 kristaps 690: int i;
691: int italic, bold;
1.9 kristaps 692:
1.115 schwarze 693: if ((f = fopen(file, "r")) == NULL) {
1.126 schwarze 694: puts("<p>You specified an invalid manual file.</p>");
1.9 kristaps 695: return;
696: }
697:
1.126 schwarze 698: puts("<div class=\"catman\">\n"
699: "<pre>");
1.10 kristaps 700:
1.115 schwarze 701: p = NULL;
702: sz = 0;
703:
704: while ((len = getline(&p, &sz, f)) != -1) {
1.10 kristaps 705: bold = italic = 0;
1.115 schwarze 706: for (i = 0; i < len - 1; i++) {
1.104 schwarze 707: /*
1.10 kristaps 708: * This means that the catpage is out of state.
709: * Ignore it and keep going (although the
710: * catpage is bogus).
711: */
712:
713: if ('\b' == p[i] || '\n' == p[i])
714: continue;
715:
716: /*
717: * Print a regular character.
718: * Close out any bold/italic scopes.
719: * If we're in back-space mode, make sure we'll
720: * have something to enter when we backspace.
721: */
722:
723: if ('\b' != p[i + 1]) {
724: if (italic)
1.126 schwarze 725: printf("</i>");
1.10 kristaps 726: if (bold)
1.126 schwarze 727: printf("</b>");
1.10 kristaps 728: italic = bold = 0;
729: html_putchar(p[i]);
730: continue;
1.115 schwarze 731: } else if (i + 2 >= len)
1.10 kristaps 732: continue;
733:
734: /* Italic mode. */
735:
736: if ('_' == p[i]) {
737: if (bold)
1.126 schwarze 738: printf("</b>");
1.10 kristaps 739: if ( ! italic)
1.126 schwarze 740: printf("<i>");
1.10 kristaps 741: bold = 0;
742: italic = 1;
743: i += 2;
744: html_putchar(p[i]);
745: continue;
746: }
747:
1.104 schwarze 748: /*
1.10 kristaps 749: * Handle funny behaviour troff-isms.
750: * These grok'd from the original man2html.c.
751: */
752:
753: if (('+' == p[i] && 'o' == p[i + 2]) ||
754: ('o' == 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: ('*' == p[i] && '|' == p[i + 2]) ||
760: ('|' == p[i] && '*' == p[i + 2])) {
761: if (italic)
1.126 schwarze 762: printf("</i>");
1.10 kristaps 763: if (bold)
1.126 schwarze 764: printf("</b>");
1.10 kristaps 765: italic = bold = 0;
766: putchar('*');
767: i += 2;
768: continue;
769: } else if (('|' == p[i] && '-' == p[i + 2]) ||
770: ('-' == p[i] && '|' == p[i + 1]) ||
771: ('+' == p[i] && '-' == p[i + 1]) ||
772: ('-' == p[i] && '+' == p[i + 1]) ||
773: ('+' == p[i] && '|' == p[i + 1]) ||
774: ('|' == p[i] && '+' == p[i + 1])) {
775: if (italic)
1.126 schwarze 776: printf("</i>");
1.10 kristaps 777: if (bold)
1.126 schwarze 778: printf("</b>");
1.10 kristaps 779: italic = bold = 0;
780: putchar('+');
781: i += 2;
782: continue;
783: }
784:
785: /* Bold mode. */
1.104 schwarze 786:
1.10 kristaps 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: bold = 1;
792: italic = 0;
793: i += 2;
794: html_putchar(p[i]);
795: }
796:
1.104 schwarze 797: /*
1.10 kristaps 798: * Clean up the last character.
1.104 schwarze 799: * We can get to a newline; don't print that.
1.10 kristaps 800: */
1.9 kristaps 801:
1.10 kristaps 802: if (italic)
1.126 schwarze 803: printf("</i>");
1.10 kristaps 804: if (bold)
1.126 schwarze 805: printf("</b>");
1.9 kristaps 806:
1.115 schwarze 807: if (i == len - 1 && p[i] != '\n')
1.10 kristaps 808: html_putchar(p[i]);
1.9 kristaps 809:
1.10 kristaps 810: putchar('\n');
811: }
1.115 schwarze 812: free(p);
1.10 kristaps 813:
1.126 schwarze 814: puts("</pre>\n"
815: "</div>");
1.10 kristaps 816:
817: fclose(f);
1.9 kristaps 818: }
819:
820: static void
1.129 schwarze 821: resp_format(const struct req *req, const char *file)
1.7 kristaps 822: {
1.106 schwarze 823: struct manoutput conf;
1.8 kristaps 824: struct mparse *mp;
1.107 schwarze 825: struct roff_man *man;
1.8 kristaps 826: void *vp;
1.90 schwarze 827: int fd;
828: int usepath;
1.7 kristaps 829:
1.8 kristaps 830: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.126 schwarze 831: puts("<p>You specified an invalid manual file.</p>");
1.7 kristaps 832: return;
833: }
834:
1.110 schwarze 835: mchars_alloc();
1.136 schwarze 836: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
1.156 schwarze 837: MANDOCERR_MAX, NULL, MANDOC_OS_OTHER, req->q.manpath);
1.103 schwarze 838: mparse_readfd(mp, fd, file);
1.8 kristaps 839: close(fd);
1.7 kristaps 840:
1.106 schwarze 841: memset(&conf, 0, sizeof(conf));
842: conf.fragment = 1;
1.145 schwarze 843: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.90 schwarze 844: usepath = strcmp(req->q.manpath, req->p[0]);
1.152 schwarze 845: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
846: scriptname, *scriptname == '\0' ? "" : "/",
1.122 schwarze 847: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.10 kristaps 848:
1.108 schwarze 849: mparse_result(mp, &man, NULL);
850: if (man == NULL) {
1.128 schwarze 851: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.72 schwarze 852: pg_error_internal();
1.32 kristaps 853: mparse_free(mp);
1.110 schwarze 854: mchars_free();
1.32 kristaps 855: return;
856: }
857:
1.110 schwarze 858: vp = html_alloc(&conf);
1.7 kristaps 859:
1.111 schwarze 860: if (man->macroset == MACROSET_MDOC) {
861: mdoc_validate(man);
1.108 schwarze 862: html_mdoc(vp, man);
1.112 schwarze 863: } else {
864: man_validate(man);
1.8 kristaps 865: html_man(vp, man);
1.112 schwarze 866: }
1.32 kristaps 867:
1.8 kristaps 868: html_free(vp);
869: mparse_free(mp);
1.110 schwarze 870: mchars_free();
1.106 schwarze 871: free(conf.man);
1.145 schwarze 872: free(conf.style);
1.7 kristaps 873: }
874:
875: static void
1.70 schwarze 876: resp_show(const struct req *req, const char *file)
877: {
1.76 schwarze 878:
879: if ('.' == file[0] && '/' == file[1])
1.71 schwarze 880: file += 2;
1.70 schwarze 881:
882: if ('c' == *file)
1.129 schwarze 883: resp_catman(req, file);
1.70 schwarze 884: else
1.129 schwarze 885: resp_format(req, file);
1.70 schwarze 886: }
887:
888: static void
1.84 schwarze 889: pg_show(struct req *req, const char *fullpath)
1.1 kristaps 890: {
1.84 schwarze 891: char *manpath;
892: const char *file;
1.25 kristaps 893:
1.84 schwarze 894: if ((file = strchr(fullpath, '/')) == NULL) {
1.72 schwarze 895: pg_error_badrequest(
1.59 schwarze 896: "You did not specify a page to show.");
1.25 kristaps 897: return;
1.104 schwarze 898: }
1.84 schwarze 899: manpath = mandoc_strndup(fullpath, file - fullpath);
900: file++;
1.6 kristaps 901:
1.84 schwarze 902: if ( ! validate_manpath(req, manpath)) {
1.77 schwarze 903: pg_error_badrequest(
904: "You specified an invalid manpath.");
1.84 schwarze 905: free(manpath);
1.77 schwarze 906: return;
907: }
908:
1.24 kristaps 909: /*
1.58 schwarze 910: * Begin by chdir()ing into the manpath.
1.24 kristaps 911: * This way we can pick up the database files, which are
912: * relative to the manpath root.
913: */
914:
1.84 schwarze 915: if (chdir(manpath) == -1) {
1.128 schwarze 916: warn("chdir %s", manpath);
1.77 schwarze 917: pg_error_internal();
1.84 schwarze 918: free(manpath);
1.76 schwarze 919: return;
920: }
1.134 schwarze 921: free(manpath);
1.84 schwarze 922:
923: if ( ! validate_filename(file)) {
1.76 schwarze 924: pg_error_badrequest(
925: "You specified an invalid manual file.");
1.24 kristaps 926: return;
927: }
1.79 schwarze 928:
1.150 schwarze 929: resp_begin_html(200, NULL, file);
1.131 schwarze 930: resp_searchform(req, FOCUS_NONE);
1.84 schwarze 931: resp_show(req, file);
1.70 schwarze 932: resp_end_html();
1.6 kristaps 933: }
934:
935: static void
1.66 schwarze 936: pg_search(const struct req *req)
1.6 kristaps 937: {
1.52 schwarze 938: struct mansearch search;
939: struct manpaths paths;
940: struct manpage *res;
1.97 schwarze 941: char **argv;
942: char *query, *rp, *wp;
1.52 schwarze 943: size_t ressz;
1.97 schwarze 944: int argc;
1.6 kristaps 945:
946: /*
1.24 kristaps 947: * Begin by chdir()ing into the root of the manpath.
948: * This way we can pick up the database files, which are
949: * relative to the manpath root.
950: */
951:
1.128 schwarze 952: if (chdir(req->q.manpath) == -1) {
953: warn("chdir %s", req->q.manpath);
1.77 schwarze 954: pg_error_internal();
1.24 kristaps 955: return;
956: }
957:
1.52 schwarze 958: search.arch = req->q.arch;
959: search.sec = req->q.sec;
1.94 schwarze 960: search.outkey = "Nd";
961: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.101 schwarze 962: search.firstmatch = 1;
1.52 schwarze 963:
964: paths.sz = 1;
965: paths.paths = mandoc_malloc(sizeof(char *));
966: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 967:
968: /*
1.97 schwarze 969: * Break apart at spaces with backslash-escaping.
1.6 kristaps 970: */
971:
1.97 schwarze 972: argc = 0;
973: argv = NULL;
974: rp = query = mandoc_strdup(req->q.query);
975: for (;;) {
976: while (isspace((unsigned char)*rp))
977: rp++;
978: if (*rp == '\0')
979: break;
980: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
981: argv[argc++] = wp = rp;
982: for (;;) {
983: if (isspace((unsigned char)*rp)) {
984: *wp = '\0';
985: rp++;
986: break;
987: }
988: if (rp[0] == '\\' && rp[1] != '\0')
989: rp++;
990: if (wp != rp)
991: *wp = *rp;
992: if (*rp == '\0')
993: break;
994: wp++;
995: rp++;
996: }
1.6 kristaps 997: }
998:
1.149 schwarze 999: res = NULL;
1000: ressz = 0;
1001: if (req->isquery && req->q.equal && argc == 1)
1002: pg_redirect(req, argv[0]);
1003: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.72 schwarze 1004: pg_noresult(req, "You entered an invalid query.");
1.149 schwarze 1005: else if (ressz == 0)
1.72 schwarze 1006: pg_noresult(req, "No results found.");
1.59 schwarze 1007: else
1.72 schwarze 1008: pg_searchres(req, res, ressz);
1.6 kristaps 1009:
1.97 schwarze 1010: free(query);
1011: mansearch_free(res, ressz);
1.52 schwarze 1012: free(paths.paths[0]);
1013: free(paths.paths);
1.1 kristaps 1014: }
1015:
1016: int
1017: main(void)
1018: {
1.66 schwarze 1019: struct req req;
1.95 schwarze 1020: struct itimerval itimer;
1.66 schwarze 1021: const char *path;
1.83 schwarze 1022: const char *querystring;
1.1 kristaps 1023: int i;
1.148 schwarze 1024:
1025: #if HAVE_PLEDGE
1026: /*
1027: * The "rpath" pledge could be revoked after mparse_readfd()
1028: * if the file desciptor to "/footer.html" would be opened
1029: * up front, but it's probably not worth the complication
1030: * of the code it would cause: it would require scattering
1031: * pledge() calls in multiple low-level resp_*() functions.
1032: */
1033:
1034: if (pledge("stdio rpath", NULL) == -1) {
1035: warn("pledge");
1036: pg_error_internal();
1037: return EXIT_FAILURE;
1038: }
1039: #endif
1.95 schwarze 1040:
1041: /* Poor man's ReDoS mitigation. */
1042:
1.99 schwarze 1043: itimer.it_value.tv_sec = 2;
1.95 schwarze 1044: itimer.it_value.tv_usec = 0;
1.99 schwarze 1045: itimer.it_interval.tv_sec = 2;
1.95 schwarze 1046: itimer.it_interval.tv_usec = 0;
1047: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.128 schwarze 1048: warn("setitimer");
1.80 schwarze 1049: pg_error_internal();
1.109 schwarze 1050: return EXIT_FAILURE;
1.80 schwarze 1051: }
1052:
1.24 kristaps 1053: /*
1.67 schwarze 1054: * First we change directory into the MAN_DIR so that
1.24 kristaps 1055: * subsequent scanning for manpath directories is rooted
1056: * relative to the same position.
1057: */
1058:
1.128 schwarze 1059: if (chdir(MAN_DIR) == -1) {
1060: warn("MAN_DIR: %s", MAN_DIR);
1.72 schwarze 1061: pg_error_internal();
1.109 schwarze 1062: return EXIT_FAILURE;
1.104 schwarze 1063: }
1.24 kristaps 1064:
1065: memset(&req, 0, sizeof(struct req));
1.118 schwarze 1066: req.q.equal = 1;
1.129 schwarze 1067: parse_manpath_conf(&req);
1.1 kristaps 1068:
1.117 schwarze 1069: /* Parse the path info and the query string. */
1.1 kristaps 1070:
1.117 schwarze 1071: if ((path = getenv("PATH_INFO")) == NULL)
1072: path = "";
1073: else if (*path == '/')
1074: path++;
1075:
1.124 schwarze 1076: if (*path != '\0') {
1.129 schwarze 1077: parse_path_info(&req, path);
1.154 schwarze 1078: if (req.q.manpath == NULL || req.q.sec == NULL ||
1079: *req.q.query == '\0' || access(path, F_OK) == -1)
1.124 schwarze 1080: path = "";
1.117 schwarze 1081: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.129 schwarze 1082: parse_query_string(&req, querystring);
1.77 schwarze 1083:
1.117 schwarze 1084: /* Validate parsed data and add defaults. */
1085:
1.102 schwarze 1086: if (req.q.manpath == NULL)
1087: req.q.manpath = mandoc_strdup(req.p[0]);
1088: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.77 schwarze 1089: pg_error_badrequest(
1090: "You specified an invalid manpath.");
1.109 schwarze 1091: return EXIT_FAILURE;
1.77 schwarze 1092: }
1.1 kristaps 1093:
1.80 schwarze 1094: if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) {
1095: pg_error_badrequest(
1096: "You specified an invalid architecture.");
1.109 schwarze 1097: return EXIT_FAILURE;
1.80 schwarze 1098: }
1099:
1.66 schwarze 1100: /* Dispatch to the three different pages. */
1.1 kristaps 1101:
1.66 schwarze 1102: if ('\0' != *path)
1103: pg_show(&req, path);
1.85 schwarze 1104: else if (NULL != req.q.query)
1.66 schwarze 1105: pg_search(&req);
1106: else
1.72 schwarze 1107: pg_index(&req);
1.1 kristaps 1108:
1.83 schwarze 1109: free(req.q.manpath);
1110: free(req.q.arch);
1111: free(req.q.sec);
1.85 schwarze 1112: free(req.q.query);
1.52 schwarze 1113: for (i = 0; i < (int)req.psz; i++)
1114: free(req.p[i]);
1.24 kristaps 1115: free(req.p);
1.109 schwarze 1116: return EXIT_SUCCESS;
1.117 schwarze 1117: }
1118:
1119: /*
1120: * If PATH_INFO is not a file name, translate it to a query.
1121: */
1122: static void
1.129 schwarze 1123: parse_path_info(struct req *req, const char *path)
1.117 schwarze 1124: {
1.135 schwarze 1125: char *dir[4];
1126: int i;
1.117 schwarze 1127:
1.121 schwarze 1128: req->isquery = 0;
1.117 schwarze 1129: req->q.equal = 1;
1130: req->q.manpath = mandoc_strdup(path);
1.135 schwarze 1131: req->q.arch = NULL;
1.117 schwarze 1132:
1133: /* Mandatory manual page name. */
1134: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1135: req->q.query = req->q.manpath;
1136: req->q.manpath = NULL;
1137: } else
1138: *req->q.query++ = '\0';
1139:
1140: /* Optional trailing section. */
1141: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1142: if(isdigit((unsigned char)req->q.sec[1])) {
1143: *req->q.sec++ = '\0';
1144: req->q.sec = mandoc_strdup(req->q.sec);
1145: } else
1146: req->q.sec = NULL;
1147: }
1148:
1149: /* Handle the case of name[.section] only. */
1.135 schwarze 1150: if (req->q.manpath == NULL)
1.117 schwarze 1151: return;
1.135 schwarze 1152: req->q.query = mandoc_strdup(req->q.query);
1153:
1154: /* Split directory components. */
1155: dir[i = 0] = req->q.manpath;
1156: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1157: if (++i == 3) {
1158: pg_error_badrequest(
1159: "You specified too many directory components.");
1160: exit(EXIT_FAILURE);
1161: }
1162: *dir[i]++ = '\0';
1.117 schwarze 1163: }
1164:
1.135 schwarze 1165: /* Optional manpath. */
1166: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1167: req->q.manpath = NULL;
1168: else if (dir[1] == NULL)
1169: return;
1.117 schwarze 1170:
1.135 schwarze 1171: /* Optional section. */
1172: if (strncmp(dir[i], "man", 3) == 0) {
1.127 schwarze 1173: free(req->q.sec);
1.135 schwarze 1174: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.117 schwarze 1175: }
1.135 schwarze 1176: if (dir[i] == NULL) {
1177: if (req->q.manpath == NULL)
1178: free(dir[0]);
1179: return;
1180: }
1181: if (dir[i + 1] != NULL) {
1182: pg_error_badrequest(
1183: "You specified an invalid directory component.");
1184: exit(EXIT_FAILURE);
1185: }
1186:
1187: /* Optional architecture. */
1188: if (i) {
1189: req->q.arch = mandoc_strdup(dir[i]);
1190: if (req->q.manpath == NULL)
1191: free(dir[0]);
1192: } else
1193: req->q.arch = dir[0];
1.24 kristaps 1194: }
1195:
1196: /*
1197: * Scan for indexable paths.
1198: */
1199: static void
1.129 schwarze 1200: parse_manpath_conf(struct req *req)
1.24 kristaps 1201: {
1.54 schwarze 1202: FILE *fp;
1203: char *dp;
1204: size_t dpsz;
1.115 schwarze 1205: ssize_t len;
1.54 schwarze 1206:
1.128 schwarze 1207: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1208: warn("%s/manpath.conf", MAN_DIR);
1.74 schwarze 1209: pg_error_internal();
1210: exit(EXIT_FAILURE);
1211: }
1.24 kristaps 1212:
1.115 schwarze 1213: dp = NULL;
1214: dpsz = 0;
1215:
1216: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1217: if (dp[len - 1] == '\n')
1218: dp[--len] = '\0';
1.54 schwarze 1219: req->p = mandoc_realloc(req->p,
1220: (req->psz + 1) * sizeof(char *));
1.80 schwarze 1221: if ( ! validate_urifrag(dp)) {
1.128 schwarze 1222: warnx("%s/manpath.conf contains "
1223: "unsafe path \"%s\"", MAN_DIR, dp);
1.80 schwarze 1224: pg_error_internal();
1225: exit(EXIT_FAILURE);
1226: }
1.128 schwarze 1227: if (strchr(dp, '/') != NULL) {
1228: warnx("%s/manpath.conf contains "
1229: "path with slash \"%s\"", MAN_DIR, dp);
1.80 schwarze 1230: pg_error_internal();
1231: exit(EXIT_FAILURE);
1232: }
1233: req->p[req->psz++] = dp;
1.115 schwarze 1234: dp = NULL;
1235: dpsz = 0;
1.74 schwarze 1236: }
1.115 schwarze 1237: free(dp);
1.74 schwarze 1238:
1.128 schwarze 1239: if (req->p == NULL) {
1240: warnx("%s/manpath.conf is empty", MAN_DIR);
1.74 schwarze 1241: pg_error_internal();
1242: exit(EXIT_FAILURE);
1.24 kristaps 1243: }
1244: }
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