Annotation of src/usr.bin/mandoc/cgi.c, Revision 1.95
1.95 ! schwarze 1: /* $OpenBSD: cgi.c,v 1.94 2017/06/24 14:38:27 schwarze Exp $ */
1.1 schwarze 2: /*
3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.81 schwarze 4: * Copyright (c) 2014, 2015, 2016, 2017 Ingo Schwarze <schwarze@usta.de>
1.1 schwarze 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
1.44 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.44 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.33 schwarze 18: #include <sys/types.h>
19: #include <sys/time.h>
20:
1.1 schwarze 21: #include <ctype.h>
1.67 schwarze 22: #include <err.h>
1.1 schwarze 23: #include <errno.h>
24: #include <fcntl.h>
25: #include <limits.h>
1.32 schwarze 26: #include <stdint.h>
1.1 schwarze 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30: #include <unistd.h>
31:
1.47 schwarze 32: #include "mandoc_aux.h"
1.1 schwarze 33: #include "mandoc.h"
1.47 schwarze 34: #include "roff.h"
1.50 schwarze 35: #include "mdoc.h"
1.51 schwarze 36: #include "man.h"
1.1 schwarze 37: #include "main.h"
1.44 schwarze 38: #include "manconf.h"
1.1 schwarze 39: #include "mansearch.h"
1.7 schwarze 40: #include "cgi.h"
1.1 schwarze 41:
42: /*
43: * A query as passed to the search function.
44: */
45: struct query {
1.23 schwarze 46: char *manpath; /* desired manual directory */
47: char *arch; /* architecture */
48: char *sec; /* manual section */
1.25 schwarze 49: char *query; /* unparsed query expression */
1.5 schwarze 50: int equal; /* match whole names, not substrings */
1.1 schwarze 51: };
52:
53: struct req {
54: struct query q;
55: char **p; /* array of available manpaths */
56: size_t psz; /* number of available manpaths */
1.60 schwarze 57: int isquery; /* QUERY_STRING used, not PATH_INFO */
1.1 schwarze 58: };
59:
1.70 schwarze 60: enum focus {
61: FOCUS_NONE = 0,
62: FOCUS_QUERY
63: };
64:
1.1 schwarze 65: static void html_print(const char *);
66: static void html_putchar(char);
1.43 schwarze 67: static int http_decode(char *);
1.68 schwarze 68: static void parse_manpath_conf(struct req *);
69: static void parse_path_info(struct req *req, const char *path);
70: static void parse_query_string(struct req *, const char *);
1.12 schwarze 71: static void pg_error_badrequest(const char *);
72: static void pg_error_internal(void);
73: static void pg_index(const struct req *);
74: static void pg_noresult(const struct req *, const char *);
1.87 schwarze 75: static void pg_redirect(const struct req *, const char *);
1.6 schwarze 76: static void pg_search(const struct req *);
1.12 schwarze 77: static void pg_searchres(const struct req *,
78: struct manpage *, size_t);
1.19 schwarze 79: static void pg_show(struct req *, const char *);
1.88 schwarze 80: static void resp_begin_html(int, const char *, const char *);
1.1 schwarze 81: static void resp_begin_http(int, const char *);
1.68 schwarze 82: static void resp_catman(const struct req *, const char *);
1.53 schwarze 83: static void resp_copy(const char *);
1.1 schwarze 84: static void resp_end_html(void);
1.68 schwarze 85: static void resp_format(const struct req *, const char *);
1.70 schwarze 86: static void resp_searchform(const struct req *, enum focus);
1.10 schwarze 87: static void resp_show(const struct req *, const char *);
1.25 schwarze 88: static void set_query_attr(char **, char **);
89: static int validate_filename(const char *);
90: static int validate_manpath(const struct req *, const char *);
91: static int validate_urifrag(const char *);
1.1 schwarze 92:
1.58 schwarze 93: static const char *scriptname = SCRIPT_NAME;
1.1 schwarze 94:
1.10 schwarze 95: static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
1.8 schwarze 96: static const char *const sec_numbers[] = {
97: "0", "1", "2", "3", "3p", "4", "5", "6", "7", "8", "9"
98: };
99: static const char *const sec_names[] = {
100: "All Sections",
101: "1 - General Commands",
102: "2 - System Calls",
1.34 schwarze 103: "3 - Library Functions",
104: "3p - Perl Library",
105: "4 - Device Drivers",
1.8 schwarze 106: "5 - File Formats",
107: "6 - Games",
1.34 schwarze 108: "7 - Miscellaneous Information",
109: "8 - System Manager\'s Manual",
110: "9 - Kernel Developer\'s Manual"
1.8 schwarze 111: };
112: static const int sec_MAX = sizeof(sec_names) / sizeof(char *);
113:
114: static const char *const arch_names[] = {
1.85 deraadt 115: "amd64", "alpha", "armv7", "arm64",
1.76 schwarze 116: "hppa", "i386", "landisk",
1.64 schwarze 117: "loongson", "luna88k", "macppc", "mips64",
1.79 schwarze 118: "octeon", "sgi", "socppc", "sparc64",
1.76 schwarze 119: "amiga", "arc", "armish", "arm32",
120: "atari", "aviion", "beagle", "cats",
121: "hppa64", "hp300",
1.64 schwarze 122: "ia64", "mac68k", "mvme68k", "mvme88k",
123: "mvmeppc", "palm", "pc532", "pegasos",
1.78 schwarze 124: "pmax", "powerpc", "solbourne", "sparc",
1.79 schwarze 125: "sun3", "vax", "wgrisc", "x68k",
126: "zaurus"
1.8 schwarze 127: };
128: static const int arch_MAX = sizeof(arch_names) / sizeof(char *);
129:
1.1 schwarze 130: /*
131: * Print a character, escaping HTML along the way.
132: * This will pass non-ASCII straight to output: be warned!
133: */
134: static void
135: html_putchar(char c)
136: {
137:
138: switch (c) {
1.93 schwarze 139: case '"':
1.80 bentley 140: printf(""");
1.1 schwarze 141: break;
1.93 schwarze 142: case '&':
1.1 schwarze 143: printf("&");
144: break;
1.93 schwarze 145: case '>':
1.1 schwarze 146: printf(">");
147: break;
1.93 schwarze 148: case '<':
1.1 schwarze 149: printf("<");
150: break;
151: default:
152: putchar((unsigned char)c);
153: break;
154: }
155: }
156:
157: /*
158: * Call through to html_putchar().
159: * Accepts NULL strings.
160: */
161: static void
162: html_print(const char *p)
163: {
1.43 schwarze 164:
1.1 schwarze 165: if (NULL == p)
166: return;
167: while ('\0' != *p)
168: html_putchar(*p++);
169: }
170:
171: /*
1.23 schwarze 172: * Transfer the responsibility for the allocated string *val
173: * to the query structure.
1.1 schwarze 174: */
175: static void
1.23 schwarze 176: set_query_attr(char **attr, char **val)
1.1 schwarze 177: {
178:
1.23 schwarze 179: free(*attr);
180: if (**val == '\0') {
181: *attr = NULL;
182: free(*val);
183: } else
184: *attr = *val;
185: *val = NULL;
186: }
187:
188: /*
189: * Parse the QUERY_STRING for key-value pairs
190: * and store the values into the query structure.
191: */
192: static void
1.68 schwarze 193: parse_query_string(struct req *req, const char *qs)
1.23 schwarze 194: {
195: char *key, *val;
196: size_t keysz, valsz;
197:
1.60 schwarze 198: req->isquery = 1;
1.23 schwarze 199: req->q.manpath = NULL;
200: req->q.arch = NULL;
201: req->q.sec = NULL;
1.25 schwarze 202: req->q.query = NULL;
1.23 schwarze 203: req->q.equal = 1;
204:
205: key = val = NULL;
206: while (*qs != '\0') {
1.1 schwarze 207:
1.23 schwarze 208: /* Parse one key. */
209:
210: keysz = strcspn(qs, "=;&");
211: key = mandoc_strndup(qs, keysz);
212: qs += keysz;
213: if (*qs != '=')
214: goto next;
215:
216: /* Parse one value. */
217:
218: valsz = strcspn(++qs, ";&");
219: val = mandoc_strndup(qs, valsz);
220: qs += valsz;
221:
222: /* Decode and catch encoding errors. */
1.1 schwarze 223:
1.23 schwarze 224: if ( ! (http_decode(key) && http_decode(val)))
225: goto next;
1.1 schwarze 226:
1.23 schwarze 227: /* Handle key-value pairs. */
1.1 schwarze 228:
1.23 schwarze 229: if ( ! strcmp(key, "query"))
1.25 schwarze 230: set_query_attr(&req->q.query, &val);
1.1 schwarze 231:
1.23 schwarze 232: else if ( ! strcmp(key, "apropos"))
233: req->q.equal = !strcmp(val, "0");
234:
235: else if ( ! strcmp(key, "manpath")) {
1.13 schwarze 236: #ifdef COMPAT_OLDURI
1.23 schwarze 237: if ( ! strncmp(val, "OpenBSD ", 8)) {
1.13 schwarze 238: val[7] = '-';
239: if ('C' == val[8])
240: val[8] = 'c';
241: }
242: #endif
1.23 schwarze 243: set_query_attr(&req->q.manpath, &val);
244: }
245:
246: else if ( ! (strcmp(key, "sec")
1.13 schwarze 247: #ifdef COMPAT_OLDURI
1.23 schwarze 248: && strcmp(key, "sektion")
1.13 schwarze 249: #endif
1.23 schwarze 250: )) {
251: if ( ! strcmp(val, "0"))
252: *val = '\0';
253: set_query_attr(&req->q.sec, &val);
1.5 schwarze 254: }
1.23 schwarze 255:
256: else if ( ! strcmp(key, "arch")) {
257: if ( ! strcmp(val, "default"))
258: *val = '\0';
259: set_query_attr(&req->q.arch, &val);
260: }
261:
262: /*
263: * The key must be freed in any case.
264: * The val may have been handed over to the query
265: * structure, in which case it is now NULL.
266: */
267: next:
268: free(key);
269: key = NULL;
270: free(val);
271: val = NULL;
272:
273: if (*qs != '\0')
274: qs++;
1.1 schwarze 275: }
276: }
277:
278: /*
279: * HTTP-decode a string. The standard explanation is that this turns
280: * "%4e+foo" into "n foo" in the regular way. This is done in-place
281: * over the allocated string.
282: */
283: static int
284: http_decode(char *p)
285: {
286: char hex[3];
1.3 tedu 287: char *q;
1.1 schwarze 288: int c;
289:
290: hex[2] = '\0';
291:
1.3 tedu 292: q = p;
293: for ( ; '\0' != *p; p++, q++) {
1.1 schwarze 294: if ('%' == *p) {
295: if ('\0' == (hex[0] = *(p + 1)))
1.48 schwarze 296: return 0;
1.1 schwarze 297: if ('\0' == (hex[1] = *(p + 2)))
1.48 schwarze 298: return 0;
1.1 schwarze 299: if (1 != sscanf(hex, "%x", &c))
1.48 schwarze 300: return 0;
1.1 schwarze 301: if ('\0' == c)
1.48 schwarze 302: return 0;
1.1 schwarze 303:
1.3 tedu 304: *q = (char)c;
305: p += 2;
1.1 schwarze 306: } else
1.3 tedu 307: *q = '+' == *p ? ' ' : *p;
1.1 schwarze 308: }
309:
1.3 tedu 310: *q = '\0';
1.48 schwarze 311: return 1;
1.1 schwarze 312: }
313:
314: static void
315: resp_begin_http(int code, const char *msg)
316: {
317:
318: if (200 != code)
1.2 tedu 319: printf("Status: %d %s\r\n", code, msg);
1.1 schwarze 320:
1.2 tedu 321: printf("Content-Type: text/html; charset=utf-8\r\n"
322: "Cache-Control: no-cache\r\n"
323: "Pragma: no-cache\r\n"
324: "\r\n");
1.1 schwarze 325:
326: fflush(stdout);
327: }
328:
329: static void
1.53 schwarze 330: resp_copy(const char *filename)
331: {
332: char buf[4096];
333: ssize_t sz;
334: int fd;
335:
336: if ((fd = open(filename, O_RDONLY)) != -1) {
337: fflush(stdout);
338: while ((sz = read(fd, buf, sizeof(buf))) > 0)
339: write(STDOUT_FILENO, buf, sz);
1.77 jsg 340: close(fd);
1.53 schwarze 341: }
342: }
343:
344: static void
1.88 schwarze 345: resp_begin_html(int code, const char *msg, const char *file)
1.1 schwarze 346: {
1.88 schwarze 347: char *cp;
1.1 schwarze 348:
349: resp_begin_http(code, msg);
350:
1.37 schwarze 351: printf("<!DOCTYPE html>\n"
1.65 schwarze 352: "<html>\n"
353: "<head>\n"
1.82 schwarze 354: " <meta charset=\"UTF-8\"/>\n"
1.95 ! schwarze 355: " <meta name=\"viewport\""
! 356: " content=\"width=device-width, initial-scale=1.0\">\n"
1.82 schwarze 357: " <link rel=\"stylesheet\" href=\"%s/mandoc.css\""
1.65 schwarze 358: " type=\"text/css\" media=\"all\">\n"
1.88 schwarze 359: " <title>",
360: CSS_DIR);
361: if (file != NULL) {
362: if ((cp = strrchr(file, '/')) != NULL)
363: file = cp + 1;
364: if ((cp = strrchr(file, '.')) != NULL) {
365: printf("%.*s(%s) - ", (int)(cp - file), file, cp + 1);
366: } else
367: printf("%s - ", file);
368: }
369: printf("%s</title>\n"
1.65 schwarze 370: "</head>\n"
1.81 schwarze 371: "<body>\n",
1.88 schwarze 372: CUSTOMIZE_TITLE);
1.53 schwarze 373:
374: resp_copy(MAN_DIR "/header.html");
1.1 schwarze 375: }
376:
377: static void
378: resp_end_html(void)
379: {
380:
1.53 schwarze 381: resp_copy(MAN_DIR "/footer.html");
382:
1.65 schwarze 383: puts("</body>\n"
384: "</html>");
1.1 schwarze 385: }
386:
387: static void
1.70 schwarze 388: resp_searchform(const struct req *req, enum focus focus)
1.1 schwarze 389: {
390: int i;
391:
1.81 schwarze 392: printf("<form action=\"/%s\" method=\"get\">\n"
1.82 schwarze 393: " <fieldset>\n"
394: " <legend>Manual Page Search Parameters</legend>\n",
1.1 schwarze 395: scriptname);
1.8 schwarze 396:
397: /* Write query input box. */
398:
1.82 schwarze 399: printf(" <input type=\"text\" name=\"query\" value=\"");
1.70 schwarze 400: if (req->q.query != NULL)
1.25 schwarze 401: html_print(req->q.query);
1.70 schwarze 402: printf( "\" size=\"40\"");
403: if (focus == FOCUS_QUERY)
404: printf(" autofocus");
405: puts(">");
1.8 schwarze 406:
1.71 schwarze 407: /* Write submission buttons. */
1.8 schwarze 408:
1.82 schwarze 409: printf( " <button type=\"submit\" name=\"apropos\" value=\"0\">"
1.71 schwarze 410: "man</button>\n"
1.82 schwarze 411: " <button type=\"submit\" name=\"apropos\" value=\"1\">"
412: "apropos</button>\n"
413: " <br/>\n");
1.8 schwarze 414:
415: /* Write section selector. */
416:
1.82 schwarze 417: puts(" <select name=\"sec\">");
1.8 schwarze 418: for (i = 0; i < sec_MAX; i++) {
1.82 schwarze 419: printf(" <option value=\"%s\"", sec_numbers[i]);
1.8 schwarze 420: if (NULL != req->q.sec &&
421: 0 == strcmp(sec_numbers[i], req->q.sec))
1.65 schwarze 422: printf(" selected=\"selected\"");
423: printf(">%s</option>\n", sec_names[i]);
1.8 schwarze 424: }
1.82 schwarze 425: puts(" </select>");
1.8 schwarze 426:
427: /* Write architecture selector. */
428:
1.82 schwarze 429: printf( " <select name=\"arch\">\n"
430: " <option value=\"default\"");
1.21 schwarze 431: if (NULL == req->q.arch)
1.65 schwarze 432: printf(" selected=\"selected\"");
433: puts(">All Architectures</option>");
1.8 schwarze 434: for (i = 0; i < arch_MAX; i++) {
1.82 schwarze 435: printf(" <option value=\"%s\"", arch_names[i]);
1.8 schwarze 436: if (NULL != req->q.arch &&
437: 0 == strcmp(arch_names[i], req->q.arch))
1.65 schwarze 438: printf(" selected=\"selected\"");
439: printf(">%s</option>\n", arch_names[i]);
1.8 schwarze 440: }
1.82 schwarze 441: puts(" </select>");
1.8 schwarze 442:
443: /* Write manpath selector. */
444:
1.1 schwarze 445: if (req->psz > 1) {
1.82 schwarze 446: puts(" <select name=\"manpath\">");
1.1 schwarze 447: for (i = 0; i < (int)req->psz; i++) {
1.82 schwarze 448: printf(" <option ");
1.41 schwarze 449: if (strcmp(req->q.manpath, req->p[i]) == 0)
1.65 schwarze 450: printf("selected=\"selected\" ");
451: printf("value=\"");
1.1 schwarze 452: html_print(req->p[i]);
453: printf("\">");
454: html_print(req->p[i]);
1.65 schwarze 455: puts("</option>");
1.1 schwarze 456: }
1.82 schwarze 457: puts(" </select>");
1.1 schwarze 458: }
1.8 schwarze 459:
1.82 schwarze 460: puts(" </fieldset>\n"
1.81 schwarze 461: "</form>");
1.1 schwarze 462: }
463:
1.16 schwarze 464: static int
1.20 schwarze 465: validate_urifrag(const char *frag)
466: {
467:
468: while ('\0' != *frag) {
469: if ( ! (isalnum((unsigned char)*frag) ||
470: '-' == *frag || '.' == *frag ||
471: '/' == *frag || '_' == *frag))
1.48 schwarze 472: return 0;
1.20 schwarze 473: frag++;
474: }
1.48 schwarze 475: return 1;
1.20 schwarze 476: }
477:
478: static int
1.17 schwarze 479: validate_manpath(const struct req *req, const char* manpath)
480: {
481: size_t i;
482:
483: for (i = 0; i < req->psz; i++)
484: if ( ! strcmp(manpath, req->p[i]))
1.48 schwarze 485: return 1;
1.17 schwarze 486:
1.48 schwarze 487: return 0;
1.17 schwarze 488: }
489:
490: static int
1.16 schwarze 491: validate_filename(const char *file)
492: {
493:
494: if ('.' == file[0] && '/' == file[1])
495: file += 2;
496:
1.48 schwarze 497: return ! (strstr(file, "../") || strstr(file, "/..") ||
498: (strncmp(file, "man", 3) && strncmp(file, "cat", 3)));
1.16 schwarze 499: }
500:
1.1 schwarze 501: static void
1.12 schwarze 502: pg_index(const struct req *req)
1.1 schwarze 503: {
504:
1.88 schwarze 505: resp_begin_html(200, NULL, NULL);
1.70 schwarze 506: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 507: printf("<p>\n"
1.26 schwarze 508: "This web interface is documented in the\n"
1.83 schwarze 509: "<a class=\"Xr\" href=\"/%s%sman.cgi.8\">man.cgi(8)</a>\n"
1.26 schwarze 510: "manual, and the\n"
1.83 schwarze 511: "<a class=\"Xr\" href=\"/%s%sapropos.1\">apropos(1)</a>\n"
1.9 schwarze 512: "manual explains the query syntax.\n"
1.65 schwarze 513: "</p>\n",
1.58 schwarze 514: scriptname, *scriptname == '\0' ? "" : "/",
515: scriptname, *scriptname == '\0' ? "" : "/");
1.1 schwarze 516: resp_end_html();
517: }
518:
519: static void
1.12 schwarze 520: pg_noresult(const struct req *req, const char *msg)
1.1 schwarze 521: {
1.88 schwarze 522: resp_begin_html(200, NULL, NULL);
1.70 schwarze 523: resp_searchform(req, FOCUS_QUERY);
1.65 schwarze 524: puts("<p>");
1.1 schwarze 525: puts(msg);
1.65 schwarze 526: puts("</p>");
1.1 schwarze 527: resp_end_html();
528: }
529:
530: static void
1.12 schwarze 531: pg_error_badrequest(const char *msg)
1.1 schwarze 532: {
533:
1.88 schwarze 534: resp_begin_html(400, "Bad Request", NULL);
1.65 schwarze 535: puts("<h1>Bad Request</h1>\n"
536: "<p>\n");
1.1 schwarze 537: puts(msg);
538: printf("Try again from the\n"
1.65 schwarze 539: "<a href=\"/%s\">main page</a>.\n"
540: "</p>", scriptname);
1.1 schwarze 541: resp_end_html();
542: }
543:
544: static void
1.12 schwarze 545: pg_error_internal(void)
1.1 schwarze 546: {
1.88 schwarze 547: resp_begin_html(500, "Internal Server Error", NULL);
1.65 schwarze 548: puts("<p>Internal Server Error</p>");
1.1 schwarze 549: resp_end_html();
550: }
551:
552: static void
1.87 schwarze 553: pg_redirect(const struct req *req, const char *name)
554: {
1.91 schwarze 555: printf("Status: 303 See Other\r\n"
556: "Location: /");
1.87 schwarze 557: if (*scriptname != '\0')
558: printf("%s/", scriptname);
559: if (strcmp(req->q.manpath, req->p[0]))
560: printf("%s/", req->q.manpath);
561: if (req->q.arch != NULL)
562: printf("%s/", req->q.arch);
563: printf("%s", name);
564: if (req->q.sec != NULL)
565: printf(".%s", req->q.sec);
566: printf("\r\nContent-Type: text/html; charset=utf-8\r\n\r\n");
567: }
568:
569: static void
1.12 schwarze 570: pg_searchres(const struct req *req, struct manpage *r, size_t sz)
1.1 schwarze 571: {
1.21 schwarze 572: char *arch, *archend;
1.59 schwarze 573: const char *sec;
574: size_t i, iuse;
1.21 schwarze 575: int archprio, archpriouse;
1.10 schwarze 576: int prio, priouse;
1.1 schwarze 577:
1.16 schwarze 578: for (i = 0; i < sz; i++) {
579: if (validate_filename(r[i].file))
580: continue;
1.67 schwarze 581: warnx("invalid filename %s in %s database",
1.16 schwarze 582: r[i].file, req->q.manpath);
583: pg_error_internal();
584: return;
585: }
586:
1.60 schwarze 587: if (req->isquery && sz == 1) {
1.1 schwarze 588: /*
589: * If we have just one result, then jump there now
590: * without any delay.
591: */
1.91 schwarze 592: printf("Status: 303 See Other\r\n"
593: "Location: /");
594: if (*scriptname != '\0')
595: printf("%s/", scriptname);
596: if (strcmp(req->q.manpath, req->p[0]))
597: printf("%s/", req->q.manpath);
598: printf("%s\r\n"
599: "Content-Type: text/html; charset=utf-8\r\n\r\n",
600: r[0].file);
1.1 schwarze 601: return;
602: }
603:
1.10 schwarze 604: /*
605: * In man(1) mode, show one of the pages
606: * even if more than one is found.
607: */
608:
1.88 schwarze 609: iuse = 0;
1.62 schwarze 610: if (req->q.equal || sz == 1) {
1.59 schwarze 611: priouse = 20;
1.21 schwarze 612: archpriouse = 3;
1.10 schwarze 613: for (i = 0; i < sz; i++) {
1.59 schwarze 614: sec = r[i].file;
615: sec += strcspn(sec, "123456789");
616: if (sec[0] == '\0')
1.10 schwarze 617: continue;
1.59 schwarze 618: prio = sec_prios[sec[0] - '1'];
619: if (sec[1] != '/')
620: prio += 10;
621: if (req->q.arch == NULL) {
1.21 schwarze 622: archprio =
1.59 schwarze 623: ((arch = strchr(sec + 1, '/'))
624: == NULL) ? 3 :
625: ((archend = strchr(arch + 1, '/'))
626: == NULL) ? 0 :
1.21 schwarze 627: strncmp(arch, "amd64/",
628: archend - arch) ? 2 : 1;
629: if (archprio < archpriouse) {
630: archpriouse = archprio;
631: priouse = prio;
632: iuse = i;
633: continue;
634: }
635: if (archprio > archpriouse)
636: continue;
637: }
1.10 schwarze 638: if (prio >= priouse)
639: continue;
640: priouse = prio;
641: iuse = i;
642: }
1.88 schwarze 643: resp_begin_html(200, NULL, r[iuse].file);
644: } else
645: resp_begin_html(200, NULL, NULL);
646:
647: resp_searchform(req,
648: req->q.equal || sz == 1 ? FOCUS_NONE : FOCUS_QUERY);
649:
650: if (sz > 1) {
651: puts("<table class=\"results\">");
652: for (i = 0; i < sz; i++) {
653: printf(" <tr>\n"
654: " <td>"
1.89 schwarze 655: "<a class=\"Xr\" href=\"/");
656: if (*scriptname != '\0')
657: printf("%s/", scriptname);
658: if (strcmp(req->q.manpath, req->p[0]))
659: printf("%s/", req->q.manpath);
660: printf("%s\">", r[i].file);
1.88 schwarze 661: html_print(r[i].names);
662: printf("</a></td>\n"
663: " <td><span class=\"Nd\">");
664: html_print(r[i].output);
665: puts("</span></td>\n"
666: " </tr>");
667: }
668: puts("</table>");
669: }
670:
671: if (req->q.equal || sz == 1) {
672: puts("<hr>");
1.10 schwarze 673: resp_show(req, r[iuse].file);
674: }
675:
1.1 schwarze 676: resp_end_html();
677: }
678:
679: static void
1.68 schwarze 680: resp_catman(const struct req *req, const char *file)
1.1 schwarze 681: {
682: FILE *f;
1.54 schwarze 683: char *p;
684: size_t sz;
685: ssize_t len;
1.1 schwarze 686: int i;
687: int italic, bold;
688:
1.54 schwarze 689: if ((f = fopen(file, "r")) == NULL) {
1.65 schwarze 690: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 691: return;
692: }
693:
1.65 schwarze 694: puts("<div class=\"catman\">\n"
695: "<pre>");
1.1 schwarze 696:
1.54 schwarze 697: p = NULL;
698: sz = 0;
699:
700: while ((len = getline(&p, &sz, f)) != -1) {
1.1 schwarze 701: bold = italic = 0;
1.54 schwarze 702: for (i = 0; i < len - 1; i++) {
1.43 schwarze 703: /*
1.1 schwarze 704: * This means that the catpage is out of state.
705: * Ignore it and keep going (although the
706: * catpage is bogus).
707: */
708:
709: if ('\b' == p[i] || '\n' == p[i])
710: continue;
711:
712: /*
713: * Print a regular character.
714: * Close out any bold/italic scopes.
715: * If we're in back-space mode, make sure we'll
716: * have something to enter when we backspace.
717: */
718:
719: if ('\b' != p[i + 1]) {
720: if (italic)
1.65 schwarze 721: printf("</i>");
1.1 schwarze 722: if (bold)
1.65 schwarze 723: printf("</b>");
1.1 schwarze 724: italic = bold = 0;
725: html_putchar(p[i]);
726: continue;
1.54 schwarze 727: } else if (i + 2 >= len)
1.1 schwarze 728: continue;
729:
730: /* Italic mode. */
731:
732: if ('_' == p[i]) {
733: if (bold)
1.65 schwarze 734: printf("</b>");
1.1 schwarze 735: if ( ! italic)
1.65 schwarze 736: printf("<i>");
1.1 schwarze 737: bold = 0;
738: italic = 1;
739: i += 2;
740: html_putchar(p[i]);
741: continue;
742: }
743:
1.43 schwarze 744: /*
1.1 schwarze 745: * Handle funny behaviour troff-isms.
746: * These grok'd from the original man2html.c.
747: */
748:
749: if (('+' == p[i] && 'o' == p[i + 2]) ||
750: ('o' == p[i] && '+' == p[i + 2]) ||
751: ('|' == 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: if (italic)
1.65 schwarze 758: printf("</i>");
1.1 schwarze 759: if (bold)
1.65 schwarze 760: printf("</b>");
1.1 schwarze 761: italic = bold = 0;
762: putchar('*');
763: i += 2;
764: continue;
765: } else if (('|' == p[i] && '-' == p[i + 2]) ||
766: ('-' == p[i] && '|' == p[i + 1]) ||
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: if (italic)
1.65 schwarze 772: printf("</i>");
1.1 schwarze 773: if (bold)
1.65 schwarze 774: printf("</b>");
1.1 schwarze 775: italic = bold = 0;
776: putchar('+');
777: i += 2;
778: continue;
779: }
780:
781: /* Bold mode. */
1.43 schwarze 782:
1.1 schwarze 783: if (italic)
1.65 schwarze 784: printf("</i>");
1.1 schwarze 785: if ( ! bold)
1.65 schwarze 786: printf("<b>");
1.1 schwarze 787: bold = 1;
788: italic = 0;
789: i += 2;
790: html_putchar(p[i]);
791: }
792:
1.43 schwarze 793: /*
1.1 schwarze 794: * Clean up the last character.
1.43 schwarze 795: * We can get to a newline; don't print that.
1.1 schwarze 796: */
797:
798: if (italic)
1.65 schwarze 799: printf("</i>");
1.1 schwarze 800: if (bold)
1.65 schwarze 801: printf("</b>");
1.1 schwarze 802:
1.54 schwarze 803: if (i == len - 1 && p[i] != '\n')
1.1 schwarze 804: html_putchar(p[i]);
805:
806: putchar('\n');
807: }
1.54 schwarze 808: free(p);
1.1 schwarze 809:
1.65 schwarze 810: puts("</pre>\n"
811: "</div>");
1.1 schwarze 812:
813: fclose(f);
814: }
815:
816: static void
1.68 schwarze 817: resp_format(const struct req *req, const char *file)
1.1 schwarze 818: {
1.45 schwarze 819: struct manoutput conf;
1.1 schwarze 820: struct mparse *mp;
1.46 schwarze 821: struct roff_man *man;
1.1 schwarze 822: void *vp;
1.30 schwarze 823: int fd;
824: int usepath;
1.1 schwarze 825:
826: if (-1 == (fd = open(file, O_RDONLY, 0))) {
1.65 schwarze 827: puts("<p>You specified an invalid manual file.</p>");
1.1 schwarze 828: return;
829: }
830:
1.49 schwarze 831: mchars_alloc();
1.75 schwarze 832: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1,
1.94 schwarze 833: MANDOCERR_MAX, NULL, MANDOC_OS_OTHER, req->q.manpath);
1.42 schwarze 834: mparse_readfd(mp, fd, file);
1.1 schwarze 835: close(fd);
836:
1.45 schwarze 837: memset(&conf, 0, sizeof(conf));
838: conf.fragment = 1;
1.84 schwarze 839: conf.style = mandoc_strdup(CSS_DIR "/mandoc.css");
1.30 schwarze 840: usepath = strcmp(req->q.manpath, req->p[0]);
1.90 schwarze 841: mandoc_asprintf(&conf.man, "/%s%s%s%s%%N.%%S",
842: scriptname, *scriptname == '\0' ? "" : "/",
1.61 schwarze 843: usepath ? req->q.manpath : "", usepath ? "/" : "");
1.1 schwarze 844:
1.47 schwarze 845: mparse_result(mp, &man, NULL);
846: if (man == NULL) {
1.67 schwarze 847: warnx("fatal mandoc error: %s/%s", req->q.manpath, file);
1.12 schwarze 848: pg_error_internal();
1.1 schwarze 849: mparse_free(mp);
1.49 schwarze 850: mchars_free();
1.1 schwarze 851: return;
852: }
853:
1.49 schwarze 854: vp = html_alloc(&conf);
1.1 schwarze 855:
1.50 schwarze 856: if (man->macroset == MACROSET_MDOC) {
857: mdoc_validate(man);
1.47 schwarze 858: html_mdoc(vp, man);
1.51 schwarze 859: } else {
860: man_validate(man);
1.1 schwarze 861: html_man(vp, man);
1.51 schwarze 862: }
1.1 schwarze 863:
864: html_free(vp);
865: mparse_free(mp);
1.49 schwarze 866: mchars_free();
1.45 schwarze 867: free(conf.man);
1.84 schwarze 868: free(conf.style);
1.1 schwarze 869: }
870:
871: static void
1.10 schwarze 872: resp_show(const struct req *req, const char *file)
873: {
1.16 schwarze 874:
875: if ('.' == file[0] && '/' == file[1])
1.11 schwarze 876: file += 2;
1.10 schwarze 877:
878: if ('c' == *file)
1.68 schwarze 879: resp_catman(req, file);
1.10 schwarze 880: else
1.68 schwarze 881: resp_format(req, file);
1.10 schwarze 882: }
883:
884: static void
1.24 schwarze 885: pg_show(struct req *req, const char *fullpath)
1.1 schwarze 886: {
1.24 schwarze 887: char *manpath;
888: const char *file;
1.1 schwarze 889:
1.24 schwarze 890: if ((file = strchr(fullpath, '/')) == NULL) {
1.12 schwarze 891: pg_error_badrequest(
1.1 schwarze 892: "You did not specify a page to show.");
893: return;
1.43 schwarze 894: }
1.24 schwarze 895: manpath = mandoc_strndup(fullpath, file - fullpath);
896: file++;
1.1 schwarze 897:
1.24 schwarze 898: if ( ! validate_manpath(req, manpath)) {
1.17 schwarze 899: pg_error_badrequest(
900: "You specified an invalid manpath.");
1.24 schwarze 901: free(manpath);
1.17 schwarze 902: return;
903: }
904:
1.1 schwarze 905: /*
906: * Begin by chdir()ing into the manpath.
907: * This way we can pick up the database files, which are
908: * relative to the manpath root.
909: */
910:
1.24 schwarze 911: if (chdir(manpath) == -1) {
1.67 schwarze 912: warn("chdir %s", manpath);
1.17 schwarze 913: pg_error_internal();
1.24 schwarze 914: free(manpath);
1.16 schwarze 915: return;
916: }
1.73 schwarze 917: free(manpath);
1.24 schwarze 918:
919: if ( ! validate_filename(file)) {
1.16 schwarze 920: pg_error_badrequest(
921: "You specified an invalid manual file.");
1.1 schwarze 922: return;
923: }
1.19 schwarze 924:
1.88 schwarze 925: resp_begin_html(200, NULL, file);
1.70 schwarze 926: resp_searchform(req, FOCUS_NONE);
1.24 schwarze 927: resp_show(req, file);
1.10 schwarze 928: resp_end_html();
1.1 schwarze 929: }
930:
931: static void
1.6 schwarze 932: pg_search(const struct req *req)
1.1 schwarze 933: {
934: struct mansearch search;
935: struct manpaths paths;
936: struct manpage *res;
1.36 schwarze 937: char **argv;
938: char *query, *rp, *wp;
1.1 schwarze 939: size_t ressz;
1.36 schwarze 940: int argc;
1.1 schwarze 941:
942: /*
943: * Begin by chdir()ing into the root of the manpath.
944: * This way we can pick up the database files, which are
945: * relative to the manpath root.
946: */
947:
1.67 schwarze 948: if (chdir(req->q.manpath) == -1) {
949: warn("chdir %s", req->q.manpath);
1.17 schwarze 950: pg_error_internal();
1.1 schwarze 951: return;
952: }
953:
954: search.arch = req->q.arch;
955: search.sec = req->q.sec;
1.35 schwarze 956: search.outkey = "Nd";
957: search.argmode = req->q.equal ? ARG_NAME : ARG_EXPR;
1.40 schwarze 958: search.firstmatch = 1;
1.1 schwarze 959:
960: paths.sz = 1;
961: paths.paths = mandoc_malloc(sizeof(char *));
962: paths.paths[0] = mandoc_strdup(".");
963:
964: /*
1.36 schwarze 965: * Break apart at spaces with backslash-escaping.
1.1 schwarze 966: */
967:
1.36 schwarze 968: argc = 0;
969: argv = NULL;
970: rp = query = mandoc_strdup(req->q.query);
971: for (;;) {
972: while (isspace((unsigned char)*rp))
973: rp++;
974: if (*rp == '\0')
975: break;
976: argv = mandoc_reallocarray(argv, argc + 1, sizeof(char *));
977: argv[argc++] = wp = rp;
978: for (;;) {
979: if (isspace((unsigned char)*rp)) {
980: *wp = '\0';
981: rp++;
982: break;
983: }
984: if (rp[0] == '\\' && rp[1] != '\0')
985: rp++;
986: if (wp != rp)
987: *wp = *rp;
988: if (*rp == '\0')
989: break;
990: wp++;
991: rp++;
992: }
1.1 schwarze 993: }
994:
1.87 schwarze 995: res = NULL;
996: ressz = 0;
997: if (req->isquery && req->q.equal && argc == 1)
998: pg_redirect(req, argv[0]);
999: else if (mansearch(&search, &paths, argc, argv, &res, &ressz) == 0)
1.12 schwarze 1000: pg_noresult(req, "You entered an invalid query.");
1.87 schwarze 1001: else if (ressz == 0)
1.12 schwarze 1002: pg_noresult(req, "No results found.");
1.1 schwarze 1003: else
1.12 schwarze 1004: pg_searchres(req, res, ressz);
1.1 schwarze 1005:
1.36 schwarze 1006: free(query);
1007: mansearch_free(res, ressz);
1.1 schwarze 1008: free(paths.paths[0]);
1009: free(paths.paths);
1010: }
1011:
1012: int
1013: main(void)
1014: {
1.6 schwarze 1015: struct req req;
1.33 schwarze 1016: struct itimerval itimer;
1.6 schwarze 1017: const char *path;
1.23 schwarze 1018: const char *querystring;
1.1 schwarze 1019: int i;
1.86 schwarze 1020:
1021: /*
1022: * The "rpath" pledge could be revoked after mparse_readfd()
1023: * if the file desciptor to "/footer.html" would be opened
1024: * up front, but it's probably not worth the complication
1025: * of the code it would cause: it would require scattering
1026: * pledge() calls in multiple low-level resp_*() functions.
1027: */
1028:
1029: if (pledge("stdio rpath", NULL) == -1) {
1030: warn("pledge");
1031: pg_error_internal();
1032: return EXIT_FAILURE;
1033: }
1.33 schwarze 1034:
1035: /* Poor man's ReDoS mitigation. */
1036:
1.38 schwarze 1037: itimer.it_value.tv_sec = 2;
1.33 schwarze 1038: itimer.it_value.tv_usec = 0;
1.38 schwarze 1039: itimer.it_interval.tv_sec = 2;
1.33 schwarze 1040: itimer.it_interval.tv_usec = 0;
1041: if (setitimer(ITIMER_VIRTUAL, &itimer, NULL) == -1) {
1.67 schwarze 1042: warn("setitimer");
1.20 schwarze 1043: pg_error_internal();
1.48 schwarze 1044: return EXIT_FAILURE;
1.20 schwarze 1045: }
1046:
1.1 schwarze 1047: /*
1.7 schwarze 1048: * First we change directory into the MAN_DIR so that
1.1 schwarze 1049: * subsequent scanning for manpath directories is rooted
1050: * relative to the same position.
1051: */
1052:
1.67 schwarze 1053: if (chdir(MAN_DIR) == -1) {
1054: warn("MAN_DIR: %s", MAN_DIR);
1.12 schwarze 1055: pg_error_internal();
1.48 schwarze 1056: return EXIT_FAILURE;
1.43 schwarze 1057: }
1.1 schwarze 1058:
1059: memset(&req, 0, sizeof(struct req));
1.57 schwarze 1060: req.q.equal = 1;
1.68 schwarze 1061: parse_manpath_conf(&req);
1.1 schwarze 1062:
1.56 schwarze 1063: /* Parse the path info and the query string. */
1.1 schwarze 1064:
1.56 schwarze 1065: if ((path = getenv("PATH_INFO")) == NULL)
1066: path = "";
1067: else if (*path == '/')
1068: path++;
1069:
1.63 schwarze 1070: if (*path != '\0') {
1.68 schwarze 1071: parse_path_info(&req, path);
1.92 schwarze 1072: if (req.q.manpath == NULL || req.q.sec == NULL ||
1073: *req.q.query == '\0' || access(path, F_OK) == -1)
1.63 schwarze 1074: path = "";
1.56 schwarze 1075: } else if ((querystring = getenv("QUERY_STRING")) != NULL)
1.68 schwarze 1076: parse_query_string(&req, querystring);
1.17 schwarze 1077:
1.56 schwarze 1078: /* Validate parsed data and add defaults. */
1079:
1.41 schwarze 1080: if (req.q.manpath == NULL)
1081: req.q.manpath = mandoc_strdup(req.p[0]);
1082: else if ( ! validate_manpath(&req, req.q.manpath)) {
1.17 schwarze 1083: pg_error_badrequest(
1084: "You specified an invalid manpath.");
1.48 schwarze 1085: return EXIT_FAILURE;
1.17 schwarze 1086: }
1.1 schwarze 1087:
1.20 schwarze 1088: if ( ! (NULL == req.q.arch || validate_urifrag(req.q.arch))) {
1089: pg_error_badrequest(
1090: "You specified an invalid architecture.");
1.48 schwarze 1091: return EXIT_FAILURE;
1.20 schwarze 1092: }
1093:
1.6 schwarze 1094: /* Dispatch to the three different pages. */
1.1 schwarze 1095:
1.6 schwarze 1096: if ('\0' != *path)
1097: pg_show(&req, path);
1.25 schwarze 1098: else if (NULL != req.q.query)
1.6 schwarze 1099: pg_search(&req);
1100: else
1.12 schwarze 1101: pg_index(&req);
1.1 schwarze 1102:
1.23 schwarze 1103: free(req.q.manpath);
1104: free(req.q.arch);
1105: free(req.q.sec);
1.25 schwarze 1106: free(req.q.query);
1.1 schwarze 1107: for (i = 0; i < (int)req.psz; i++)
1108: free(req.p[i]);
1109: free(req.p);
1.48 schwarze 1110: return EXIT_SUCCESS;
1.56 schwarze 1111: }
1112:
1113: /*
1114: * If PATH_INFO is not a file name, translate it to a query.
1115: */
1116: static void
1.68 schwarze 1117: parse_path_info(struct req *req, const char *path)
1.56 schwarze 1118: {
1.74 schwarze 1119: char *dir[4];
1120: int i;
1.56 schwarze 1121:
1.60 schwarze 1122: req->isquery = 0;
1.56 schwarze 1123: req->q.equal = 1;
1124: req->q.manpath = mandoc_strdup(path);
1.74 schwarze 1125: req->q.arch = NULL;
1.56 schwarze 1126:
1127: /* Mandatory manual page name. */
1128: if ((req->q.query = strrchr(req->q.manpath, '/')) == NULL) {
1129: req->q.query = req->q.manpath;
1130: req->q.manpath = NULL;
1131: } else
1132: *req->q.query++ = '\0';
1133:
1134: /* Optional trailing section. */
1135: if ((req->q.sec = strrchr(req->q.query, '.')) != NULL) {
1136: if(isdigit((unsigned char)req->q.sec[1])) {
1137: *req->q.sec++ = '\0';
1138: req->q.sec = mandoc_strdup(req->q.sec);
1139: } else
1140: req->q.sec = NULL;
1141: }
1142:
1143: /* Handle the case of name[.section] only. */
1.74 schwarze 1144: if (req->q.manpath == NULL)
1.56 schwarze 1145: return;
1.74 schwarze 1146: req->q.query = mandoc_strdup(req->q.query);
1147:
1148: /* Split directory components. */
1149: dir[i = 0] = req->q.manpath;
1150: while ((dir[i + 1] = strchr(dir[i], '/')) != NULL) {
1151: if (++i == 3) {
1152: pg_error_badrequest(
1153: "You specified too many directory components.");
1154: exit(EXIT_FAILURE);
1155: }
1156: *dir[i]++ = '\0';
1.56 schwarze 1157: }
1158:
1.74 schwarze 1159: /* Optional manpath. */
1160: if ((i = validate_manpath(req, req->q.manpath)) == 0)
1161: req->q.manpath = NULL;
1162: else if (dir[1] == NULL)
1163: return;
1.56 schwarze 1164:
1.74 schwarze 1165: /* Optional section. */
1166: if (strncmp(dir[i], "man", 3) == 0) {
1.66 schwarze 1167: free(req->q.sec);
1.74 schwarze 1168: req->q.sec = mandoc_strdup(dir[i++] + 3);
1.56 schwarze 1169: }
1.74 schwarze 1170: if (dir[i] == NULL) {
1171: if (req->q.manpath == NULL)
1172: free(dir[0]);
1173: return;
1174: }
1175: if (dir[i + 1] != NULL) {
1176: pg_error_badrequest(
1177: "You specified an invalid directory component.");
1178: exit(EXIT_FAILURE);
1179: }
1180:
1181: /* Optional architecture. */
1182: if (i) {
1183: req->q.arch = mandoc_strdup(dir[i]);
1184: if (req->q.manpath == NULL)
1185: free(dir[0]);
1186: } else
1187: req->q.arch = dir[0];
1.1 schwarze 1188: }
1189:
1190: /*
1191: * Scan for indexable paths.
1192: */
1193: static void
1.68 schwarze 1194: parse_manpath_conf(struct req *req)
1.1 schwarze 1195: {
1196: FILE *fp;
1197: char *dp;
1198: size_t dpsz;
1.54 schwarze 1199: ssize_t len;
1.1 schwarze 1200:
1.67 schwarze 1201: if ((fp = fopen("manpath.conf", "r")) == NULL) {
1202: warn("%s/manpath.conf", MAN_DIR);
1.14 schwarze 1203: pg_error_internal();
1204: exit(EXIT_FAILURE);
1205: }
1.1 schwarze 1206:
1.54 schwarze 1207: dp = NULL;
1208: dpsz = 0;
1209:
1210: while ((len = getline(&dp, &dpsz, fp)) != -1) {
1211: if (dp[len - 1] == '\n')
1212: dp[--len] = '\0';
1.1 schwarze 1213: req->p = mandoc_realloc(req->p,
1214: (req->psz + 1) * sizeof(char *));
1.20 schwarze 1215: if ( ! validate_urifrag(dp)) {
1.67 schwarze 1216: warnx("%s/manpath.conf contains "
1217: "unsafe path \"%s\"", MAN_DIR, dp);
1.20 schwarze 1218: pg_error_internal();
1219: exit(EXIT_FAILURE);
1220: }
1.67 schwarze 1221: if (strchr(dp, '/') != NULL) {
1222: warnx("%s/manpath.conf contains "
1223: "path with slash \"%s\"", MAN_DIR, dp);
1.20 schwarze 1224: pg_error_internal();
1225: exit(EXIT_FAILURE);
1226: }
1227: req->p[req->psz++] = dp;
1.54 schwarze 1228: dp = NULL;
1229: dpsz = 0;
1.14 schwarze 1230: }
1.54 schwarze 1231: free(dp);
1.14 schwarze 1232:
1.67 schwarze 1233: if (req->p == NULL) {
1234: warnx("%s/manpath.conf is empty", MAN_DIR);
1.14 schwarze 1235: pg_error_internal();
1236: exit(EXIT_FAILURE);
1.1 schwarze 1237: }
1238: }
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