Annotation of mandoc/cgi.c, Revision 1.52
1.52 ! schwarze 1: /* $Id: cgi.c,v 1.51 2014/04/23 21:40:47 schwarze Exp $ */
1.6 kristaps 2: /*
1.42 kristaps 3: * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.52 ! schwarze 4: * Copyright (c) 2014 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: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
22: #include <ctype.h>
1.24 kristaps 23: #include <dirent.h>
1.1 kristaps 24: #include <fcntl.h>
1.6 kristaps 25: #include <limits.h>
1.1 kristaps 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
1.6 kristaps 29: #include <unistd.h>
1.1 kristaps 30:
1.46 schwarze 31: #if defined(__sun)
32: /* for stat() */
33: #include <fcntl.h>
34: #include <sys/types.h>
35: #include <sys/stat.h>
36: #endif
37:
1.4 schwarze 38: #include "mandoc.h"
1.50 schwarze 39: #include "mandoc_aux.h"
1.8 kristaps 40: #include "main.h"
1.6 kristaps 41: #include "manpath.h"
1.52 ! schwarze 42: #include "mansearch.h"
1.1 kristaps 43:
44: enum page {
45: PAGE_INDEX,
46: PAGE_SEARCH,
1.6 kristaps 47: PAGE_SHOW,
1.1 kristaps 48: PAGE__MAX
49: };
50:
1.20 kristaps 51: /*
52: * A query as passed to the search function.
53: */
54: struct query {
1.52 ! schwarze 55: const char *manroot; /* manual root directory */
1.20 kristaps 56: const char *arch; /* architecture */
57: const char *sec; /* manual section */
58: const char *expr; /* unparsed expression string */
59: int legacy; /* whether legacy mode */
60: };
61:
1.1 kristaps 62: struct req {
1.24 kristaps 63: struct query q;
1.52 ! schwarze 64: char **p; /* array of available manroots */
1.24 kristaps 65: size_t psz;
1.1 kristaps 66: enum page page;
67: };
68:
1.32 kristaps 69: static void catman(const struct req *, const char *);
1.15 kristaps 70: static int cmp(const void *, const void *);
1.32 kristaps 71: static void format(const struct req *, const char *);
1.6 kristaps 72: static void html_print(const char *);
1.36 kristaps 73: static void html_printquery(const struct req *);
1.10 kristaps 74: static void html_putchar(char);
1.24 kristaps 75: static int http_decode(char *);
1.26 kristaps 76: static void http_parse(struct req *, char *);
1.36 kristaps 77: static void http_print(const char *);
78: static void http_putchar(char);
79: static void http_printquery(const struct req *);
1.52 ! schwarze 80: static void pathgen(DIR *, struct req *);
1.24 kristaps 81: static void pg_index(const struct req *, char *);
82: static void pg_search(const struct req *, char *);
83: static void pg_show(const struct req *, char *);
1.7 kristaps 84: static void resp_bad(void);
1.6 kristaps 85: static void resp_baddb(void);
1.10 kristaps 86: static void resp_error400(void);
87: static void resp_error404(const char *);
1.6 kristaps 88: static void resp_begin_html(int, const char *);
89: static void resp_begin_http(int, const char *);
90: static void resp_end_html(void);
91: static void resp_index(const struct req *);
1.52 ! schwarze 92: static void resp_search(const struct req *,
! 93: struct manpage *, size_t);
1.6 kristaps 94: static void resp_searchform(const struct req *);
95:
1.29 kristaps 96: static const char *progname; /* cgi script name */
97: static const char *cache; /* cache directory */
98: static const char *css; /* css directory */
99: static const char *host; /* hostname */
1.1 kristaps 100:
101: static const char * const pages[PAGE__MAX] = {
102: "index", /* PAGE_INDEX */
103: "search", /* PAGE_SEARCH */
1.6 kristaps 104: "show", /* PAGE_SHOW */
1.1 kristaps 105: };
106:
1.6 kristaps 107: /*
1.20 kristaps 108: * Print a character, escaping HTML along the way.
109: * This will pass non-ASCII straight to output: be warned!
110: */
1.10 kristaps 111: static void
112: html_putchar(char c)
113: {
114:
115: switch (c) {
116: case ('"'):
117: printf(""e;");
118: break;
119: case ('&'):
120: printf("&");
121: break;
122: case ('>'):
123: printf(">");
124: break;
125: case ('<'):
126: printf("<");
127: break;
128: default:
129: putchar((unsigned char)c);
130: break;
131: }
132: }
1.36 kristaps 133: static void
134: http_printquery(const struct req *req)
135: {
136:
137: printf("&expr=");
138: http_print(req->q.expr ? req->q.expr : "");
139: printf("&sec=");
140: http_print(req->q.sec ? req->q.sec : "");
141: printf("&arch=");
142: http_print(req->q.arch ? req->q.arch : "");
143: }
144:
145:
146: static void
147: html_printquery(const struct req *req)
148: {
149:
150: printf("&expr=");
151: html_print(req->q.expr ? req->q.expr : "");
152: printf("&sec=");
153: html_print(req->q.sec ? req->q.sec : "");
154: printf("&arch=");
155: html_print(req->q.arch ? req->q.arch : "");
156: }
157:
158: static void
159: http_print(const char *p)
160: {
161:
162: if (NULL == p)
163: return;
164: while ('\0' != *p)
165: http_putchar(*p++);
166: }
1.10 kristaps 167:
1.6 kristaps 168: /*
1.20 kristaps 169: * Call through to html_putchar().
170: * Accepts NULL strings.
1.6 kristaps 171: */
1.1 kristaps 172: static void
1.6 kristaps 173: html_print(const char *p)
1.1 kristaps 174: {
1.6 kristaps 175:
176: if (NULL == p)
177: return;
1.1 kristaps 178: while ('\0' != *p)
1.10 kristaps 179: html_putchar(*p++);
1.1 kristaps 180: }
181:
182: /*
183: * Parse out key-value pairs from an HTTP request variable.
1.6 kristaps 184: * This can be either a cookie or a POST/GET string, although man.cgi
185: * uses only GET for simplicity.
1.1 kristaps 186: */
187: static void
1.26 kristaps 188: http_parse(struct req *req, char *p)
1.1 kristaps 189: {
1.52 ! schwarze 190: char *key, *val;
! 191: int legacy;
1.1 kristaps 192:
1.26 kristaps 193: memset(&req->q, 0, sizeof(struct query));
1.52 ! schwarze 194: req->q.manroot = req->p[0];
1.24 kristaps 195:
196: legacy = -1;
1.36 kristaps 197: while ('\0' != *p) {
1.1 kristaps 198: key = p;
199: val = NULL;
200:
1.36 kristaps 201: p += (int)strcspn(p, ";&");
202: if ('\0' != *p)
1.1 kristaps 203: *p++ = '\0';
1.36 kristaps 204: if (NULL != (val = strchr(key, '=')))
205: *val++ = '\0';
1.1 kristaps 206:
1.36 kristaps 207: if ('\0' == *key || NULL == val || '\0' == *val)
1.1 kristaps 208: continue;
209:
210: /* Just abort handling. */
211:
1.24 kristaps 212: if ( ! http_decode(key))
213: break;
1.36 kristaps 214: if (NULL != val && ! http_decode(val))
1.24 kristaps 215: break;
216:
217: if (0 == strcmp(key, "expr"))
1.26 kristaps 218: req->q.expr = val;
1.24 kristaps 219: else if (0 == strcmp(key, "query"))
1.26 kristaps 220: req->q.expr = val;
1.24 kristaps 221: else if (0 == strcmp(key, "sec"))
1.26 kristaps 222: req->q.sec = val;
1.24 kristaps 223: else if (0 == strcmp(key, "sektion"))
1.26 kristaps 224: req->q.sec = val;
1.24 kristaps 225: else if (0 == strcmp(key, "arch"))
1.26 kristaps 226: req->q.arch = val;
227: else if (0 == strcmp(key, "manpath"))
1.52 ! schwarze 228: req->q.manroot = val;
1.24 kristaps 229: else if (0 == strcmp(key, "apropos"))
230: legacy = 0 == strcmp(val, "0");
231: }
1.1 kristaps 232:
1.24 kristaps 233: /* Test for old man.cgi compatibility mode. */
1.1 kristaps 234:
1.40 kristaps 235: req->q.legacy = legacy > 0;
1.24 kristaps 236:
237: /*
238: * Section "0" means no section when in legacy mode.
239: * For some man.cgi scripts, "default" arch is none.
240: */
241:
1.26 kristaps 242: if (req->q.legacy && NULL != req->q.sec)
243: if (0 == strcmp(req->q.sec, "0"))
244: req->q.sec = NULL;
245: if (req->q.legacy && NULL != req->q.arch)
246: if (0 == strcmp(req->q.arch, "default"))
247: req->q.arch = NULL;
1.1 kristaps 248: }
249:
1.36 kristaps 250: static void
251: http_putchar(char c)
252: {
253:
254: if (isalnum((unsigned char)c)) {
255: putchar((unsigned char)c);
256: return;
257: } else if (' ' == c) {
258: putchar('+');
259: return;
260: }
261: printf("%%%.2x", c);
262: }
263:
1.1 kristaps 264: /*
1.6 kristaps 265: * HTTP-decode a string. The standard explanation is that this turns
266: * "%4e+foo" into "n foo" in the regular way. This is done in-place
267: * over the allocated string.
1.1 kristaps 268: */
269: static int
1.24 kristaps 270: http_decode(char *p)
1.1 kristaps 271: {
272: char hex[3];
273: int c;
274:
275: hex[2] = '\0';
276:
277: for ( ; '\0' != *p; p++) {
278: if ('%' == *p) {
279: if ('\0' == (hex[0] = *(p + 1)))
280: return(0);
281: if ('\0' == (hex[1] = *(p + 2)))
282: return(0);
283: if (1 != sscanf(hex, "%x", &c))
284: return(0);
285: if ('\0' == c)
286: return(0);
287:
288: *p = (char)c;
289: memmove(p + 1, p + 3, strlen(p + 3) + 1);
290: } else
291: *p = '+' == *p ? ' ' : *p;
292: }
293:
294: *p = '\0';
295: return(1);
296: }
297:
1.6 kristaps 298: static void
299: resp_begin_http(int code, const char *msg)
300: {
301:
302: if (200 != code)
303: printf("Status: %d %s\n", code, msg);
304:
1.20 kristaps 305: puts("Content-Type: text/html; charset=utf-8\n"
306: "Cache-Control: no-cache\n"
307: "Pragma: no-cache\n"
1.6 kristaps 308: "");
309:
310: fflush(stdout);
311: }
312:
313: static void
314: resp_begin_html(int code, const char *msg)
315: {
316:
317: resp_begin_http(code, msg);
318:
1.29 kristaps 319: printf("<!DOCTYPE HTML PUBLIC "
320: " \"-//W3C//DTD HTML 4.01//EN\""
321: " \"http://www.w3.org/TR/html4/strict.dtd\">\n"
322: "<HTML>\n"
323: "<HEAD>\n"
324: "<META HTTP-EQUIV=\"Content-Type\""
325: " CONTENT=\"text/html; charset=utf-8\">\n"
1.32 kristaps 326: "<LINK REL=\"stylesheet\" HREF=\"%s/man-cgi.css\""
327: " TYPE=\"text/css\" media=\"all\">\n"
328: "<LINK REL=\"stylesheet\" HREF=\"%s/man.css\""
1.29 kristaps 329: " TYPE=\"text/css\" media=\"all\">\n"
330: "<TITLE>System Manpage Reference</TITLE>\n"
331: "</HEAD>\n"
332: "<BODY>\n"
1.32 kristaps 333: "<!-- Begin page content. //-->\n", css, css);
1.6 kristaps 334: }
335:
336: static void
337: resp_end_html(void)
338: {
339:
1.20 kristaps 340: puts("</BODY>\n"
341: "</HTML>");
1.6 kristaps 342: }
343:
344: static void
345: resp_searchform(const struct req *req)
346: {
1.27 kristaps 347: int i;
1.13 kristaps 348:
1.6 kristaps 349: puts("<!-- Begin search form. //-->");
1.32 kristaps 350: printf("<DIV ID=\"mancgi\">\n"
1.52 ! schwarze 351: "<FORM ACTION=\"%s/search\" METHOD=\"get\">\n"
1.29 kristaps 352: "<FIELDSET>\n"
1.16 kristaps 353: "<LEGEND>Search Parameters</LEGEND>\n"
1.40 kristaps 354: "<INPUT TYPE=\"submit\" "
355: " VALUE=\"Search\"> for manuals satisfying \n"
1.29 kristaps 356: "<INPUT TYPE=\"text\" NAME=\"expr\" VALUE=\"",
357: progname);
1.24 kristaps 358: html_print(req->q.expr ? req->q.expr : "");
1.14 kristaps 359: printf("\">, section "
1.20 kristaps 360: "<INPUT TYPE=\"text\""
361: " SIZE=\"4\" NAME=\"sec\" VALUE=\"");
1.24 kristaps 362: html_print(req->q.sec ? req->q.sec : "");
1.14 kristaps 363: printf("\">, arch "
1.20 kristaps 364: "<INPUT TYPE=\"text\""
365: " SIZE=\"8\" NAME=\"arch\" VALUE=\"");
1.24 kristaps 366: html_print(req->q.arch ? req->q.arch : "");
1.27 kristaps 367: printf("\">");
368: if (req->psz > 1) {
369: puts(", <SELECT NAME=\"manpath\">");
370: for (i = 0; i < (int)req->psz; i++) {
1.52 ! schwarze 371: printf("<OPTION ");
! 372: if (NULL == req->q.manroot ? 0 == i :
! 373: 0 == strcmp(req->q.manroot, req->p[i]))
! 374: printf("SELECTED=\"selected\" ");
! 375: printf("VALUE=\"");
! 376: html_print(req->p[i]);
1.27 kristaps 377: printf("\">");
1.52 ! schwarze 378: html_print(req->p[i]);
1.27 kristaps 379: puts("</OPTION>");
380: }
381: puts("</SELECT>");
382: }
383: puts(".\n"
1.12 kristaps 384: "<INPUT TYPE=\"reset\" VALUE=\"Reset\">\n"
385: "</FIELDSET>\n"
1.32 kristaps 386: "</FORM>\n"
387: "</DIV>");
1.20 kristaps 388: puts("<!-- End search form. //-->");
1.6 kristaps 389: }
390:
391: static void
392: resp_index(const struct req *req)
393: {
394:
395: resp_begin_html(200, NULL);
396: resp_searchform(req);
397: resp_end_html();
398: }
399:
400: static void
1.10 kristaps 401: resp_error400(void)
1.9 kristaps 402: {
403:
1.10 kristaps 404: resp_begin_html(400, "Query Malformed");
1.12 kristaps 405: printf("<H1>Malformed Query</H1>\n"
406: "<P>\n"
1.20 kristaps 407: "The query your entered was malformed.\n"
408: "Try again from the\n"
1.22 kristaps 409: "<A HREF=\"%s/index.html\">main page</A>.\n"
1.12 kristaps 410: "</P>", progname);
1.9 kristaps 411: resp_end_html();
412: }
413:
414: static void
1.10 kristaps 415: resp_error404(const char *page)
1.6 kristaps 416: {
417:
418: resp_begin_html(404, "Not Found");
1.10 kristaps 419: puts("<H1>Page Not Found</H1>\n"
420: "<P>\n"
1.20 kristaps 421: "The page you're looking for, ");
422: printf("<B>");
1.10 kristaps 423: html_print(page);
1.12 kristaps 424: printf("</B>,\n"
1.20 kristaps 425: "could not be found.\n"
426: "Try searching from the\n"
1.22 kristaps 427: "<A HREF=\"%s/index.html\">main page</A>.\n"
1.12 kristaps 428: "</P>", progname);
1.6 kristaps 429: resp_end_html();
430: }
1.1 kristaps 431:
432: static void
1.7 kristaps 433: resp_bad(void)
434: {
435: resp_begin_html(500, "Internal Server Error");
436: puts("<P>Generic badness happened.</P>");
437: resp_end_html();
438: }
439:
440: static void
1.6 kristaps 441: resp_baddb(void)
1.1 kristaps 442: {
443:
1.6 kristaps 444: resp_begin_html(500, "Internal Server Error");
445: puts("<P>Your database is broken.</P>");
446: resp_end_html();
1.1 kristaps 447: }
448:
449: static void
1.52 ! schwarze 450: resp_search(const struct req *req, struct manpage *r, size_t sz)
1.1 kristaps 451: {
1.52 ! schwarze 452: size_t i;
1.19 kristaps 453:
1.52 ! schwarze 454: if (1 == sz) {
1.6 kristaps 455: /*
456: * If we have just one result, then jump there now
457: * without any delay.
458: */
459: puts("Status: 303 See Other");
1.52 ! schwarze 460: printf("Location: http://%s%s/show/%s/%s?",
! 461: host, progname, req->q.manroot, r[0].file);
1.36 kristaps 462: http_printquery(req);
463: puts("\n"
464: "Content-Type: text/html; charset=utf-8\n");
1.6 kristaps 465: return;
466: }
467:
1.12 kristaps 468: resp_begin_html(200, NULL);
1.19 kristaps 469: resp_searchform(req);
1.6 kristaps 470:
1.33 kristaps 471: puts("<DIV CLASS=\"results\">");
472:
1.52 ! schwarze 473: if (0 == sz) {
1.40 kristaps 474: puts("<P>\n"
475: "No results found.\n"
476: "</P>\n"
477: "</DIV>");
1.14 kristaps 478: resp_end_html();
479: return;
480: }
481:
1.52 ! schwarze 482: qsort(r, sz, sizeof(struct manpage), cmp);
1.41 kristaps 483:
1.33 kristaps 484: puts("<TABLE>");
1.1 kristaps 485:
1.41 kristaps 486: for (i = 0; i < sz; i++) {
1.20 kristaps 487: printf("<TR>\n"
488: "<TD CLASS=\"title\">\n"
1.52 ! schwarze 489: "<A HREF=\"%s/show/%s/%s?",
! 490: progname, req->q.manroot, r[i].file);
1.36 kristaps 491: html_printquery(req);
492: printf("\">");
1.52 ! schwarze 493: html_print(r[i].names);
! 494: printf("</A>\n"
1.20 kristaps 495: "</TD>\n"
496: "<TD CLASS=\"desc\">");
1.52 ! schwarze 497: html_print(r[i].output);
1.20 kristaps 498: puts("</TD>\n"
499: "</TR>");
1.1 kristaps 500: }
1.16 kristaps 501:
1.33 kristaps 502: puts("</TABLE>\n"
503: "</DIV>");
1.6 kristaps 504: resp_end_html();
505: }
506:
507: /* ARGSUSED */
508: static void
1.24 kristaps 509: pg_index(const struct req *req, char *path)
1.6 kristaps 510: {
511:
512: resp_index(req);
1.1 kristaps 513: }
514:
515: static void
1.32 kristaps 516: catman(const struct req *req, const char *file)
1.9 kristaps 517: {
1.10 kristaps 518: FILE *f;
519: size_t len;
520: int i;
521: char *p;
522: int italic, bold;
1.9 kristaps 523:
1.10 kristaps 524: if (NULL == (f = fopen(file, "r"))) {
1.9 kristaps 525: resp_baddb();
526: return;
527: }
528:
1.32 kristaps 529: resp_begin_html(200, NULL);
530: resp_searchform(req);
531: puts("<DIV CLASS=\"catman\">\n"
532: "<PRE>");
1.10 kristaps 533:
534: while (NULL != (p = fgetln(f, &len))) {
535: bold = italic = 0;
536: for (i = 0; i < (int)len - 1; i++) {
537: /*
538: * This means that the catpage is out of state.
539: * Ignore it and keep going (although the
540: * catpage is bogus).
541: */
542:
543: if ('\b' == p[i] || '\n' == p[i])
544: continue;
545:
546: /*
547: * Print a regular character.
548: * Close out any bold/italic scopes.
549: * If we're in back-space mode, make sure we'll
550: * have something to enter when we backspace.
551: */
552:
553: if ('\b' != p[i + 1]) {
554: if (italic)
555: printf("</I>");
556: if (bold)
557: printf("</B>");
558: italic = bold = 0;
559: html_putchar(p[i]);
560: continue;
561: } else if (i + 2 >= (int)len)
562: continue;
563:
564: /* Italic mode. */
565:
566: if ('_' == p[i]) {
567: if (bold)
568: printf("</B>");
569: if ( ! italic)
570: printf("<I>");
571: bold = 0;
572: italic = 1;
573: i += 2;
574: html_putchar(p[i]);
575: continue;
576: }
577:
578: /*
579: * Handle funny behaviour troff-isms.
580: * These grok'd from the original man2html.c.
581: */
582:
583: if (('+' == p[i] && 'o' == p[i + 2]) ||
584: ('o' == p[i] && '+' == p[i + 2]) ||
585: ('|' == p[i] && '=' == p[i + 2]) ||
586: ('=' == p[i] && '|' == p[i + 2]) ||
587: ('*' == p[i] && '=' == p[i + 2]) ||
588: ('=' == p[i] && '*' == p[i + 2]) ||
589: ('*' == p[i] && '|' == p[i + 2]) ||
590: ('|' == p[i] && '*' == p[i + 2])) {
591: if (italic)
592: printf("</I>");
593: if (bold)
594: printf("</B>");
595: italic = bold = 0;
596: putchar('*');
597: i += 2;
598: continue;
599: } else if (('|' == p[i] && '-' == p[i + 2]) ||
600: ('-' == p[i] && '|' == p[i + 1]) ||
601: ('+' == p[i] && '-' == p[i + 1]) ||
602: ('-' == p[i] && '+' == p[i + 1]) ||
603: ('+' == p[i] && '|' == p[i + 1]) ||
604: ('|' == p[i] && '+' == p[i + 1])) {
605: if (italic)
606: printf("</I>");
607: if (bold)
608: printf("</B>");
609: italic = bold = 0;
610: putchar('+');
611: i += 2;
612: continue;
613: }
614:
615: /* Bold mode. */
616:
617: if (italic)
618: printf("</I>");
619: if ( ! bold)
620: printf("<B>");
621: bold = 1;
622: italic = 0;
623: i += 2;
624: html_putchar(p[i]);
625: }
626:
627: /*
628: * Clean up the last character.
629: * We can get to a newline; don't print that.
630: */
1.9 kristaps 631:
1.10 kristaps 632: if (italic)
633: printf("</I>");
634: if (bold)
635: printf("</B>");
1.9 kristaps 636:
1.10 kristaps 637: if (i == (int)len - 1 && '\n' != p[i])
638: html_putchar(p[i]);
1.9 kristaps 639:
1.10 kristaps 640: putchar('\n');
641: }
642:
643: puts("</PRE>\n"
1.32 kristaps 644: "</DIV>\n"
1.10 kristaps 645: "</BODY>\n"
646: "</HTML>");
647:
648: fclose(f);
1.9 kristaps 649: }
650:
651: static void
1.32 kristaps 652: format(const struct req *req, const char *file)
1.7 kristaps 653: {
1.8 kristaps 654: struct mparse *mp;
655: int fd;
656: struct mdoc *mdoc;
657: struct man *man;
658: void *vp;
659: enum mandoclevel rc;
1.45 schwarze 660: char opts[PATH_MAX + 128];
1.7 kristaps 661:
1.8 kristaps 662: if (-1 == (fd = open(file, O_RDONLY, 0))) {
663: resp_baddb();
1.7 kristaps 664: return;
665: }
666:
1.48 schwarze 667: mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_FATAL, NULL, NULL);
1.8 kristaps 668: rc = mparse_readfd(mp, fd, file);
669: close(fd);
1.7 kristaps 670:
1.8 kristaps 671: if (rc >= MANDOCLEVEL_FATAL) {
1.7 kristaps 672: resp_baddb();
673: return;
674: }
675:
1.52 ! schwarze 676: snprintf(opts, sizeof(opts),
! 677: "fragment,man=%s/search?sec=%%S&expr=Nm~^%%N$",
! 678: progname);
1.10 kristaps 679:
1.49 schwarze 680: mparse_result(mp, &mdoc, &man, NULL);
1.32 kristaps 681: if (NULL == man && NULL == mdoc) {
682: resp_baddb();
683: mparse_free(mp);
684: return;
685: }
686:
687: resp_begin_html(200, NULL);
688: resp_searchform(req);
689:
1.10 kristaps 690: vp = html_alloc(opts);
1.7 kristaps 691:
1.32 kristaps 692: if (NULL != mdoc)
1.8 kristaps 693: html_mdoc(vp, mdoc);
1.32 kristaps 694: else
1.8 kristaps 695: html_man(vp, man);
1.32 kristaps 696:
697: puts("</BODY>\n"
698: "</HTML>");
1.7 kristaps 699:
1.8 kristaps 700: html_free(vp);
701: mparse_free(mp);
1.7 kristaps 702: }
703:
704: static void
1.24 kristaps 705: pg_show(const struct req *req, char *path)
1.1 kristaps 706: {
1.6 kristaps 707: char *sub;
1.25 kristaps 708:
709: if (NULL == path || NULL == (sub = strchr(path, '/'))) {
710: resp_error400();
711: return;
712: }
713: *sub++ = '\0';
1.6 kristaps 714:
1.24 kristaps 715: /*
1.26 kristaps 716: * Begin by chdir()ing into the manroot.
1.24 kristaps 717: * This way we can pick up the database files, which are
718: * relative to the manpath root.
719: */
720:
1.52 ! schwarze 721: if (-1 == chdir(path)) {
! 722: perror(path);
1.25 kristaps 723: resp_baddb();
1.24 kristaps 724: return;
725: }
726:
1.52 ! schwarze 727: if ('c' == *sub)
! 728: catman(req, sub);
! 729: else
! 730: format(req, sub);
1.6 kristaps 731: }
732:
733: static void
1.24 kristaps 734: pg_search(const struct req *req, char *path)
1.6 kristaps 735: {
1.52 ! schwarze 736: struct mansearch search;
! 737: struct manpaths paths;
! 738: struct manpage *res;
! 739: char **cp;
! 740: const char *ep, *start;
! 741: size_t ressz;
! 742: int i, sz;
1.6 kristaps 743:
744: /*
1.24 kristaps 745: * Begin by chdir()ing into the root of the manpath.
746: * This way we can pick up the database files, which are
747: * relative to the manpath root.
748: */
749:
1.52 ! schwarze 750: if (-1 == (chdir(req->q.manroot))) {
! 751: perror(req->q.manroot);
! 752: resp_search(req, NULL, 0);
1.24 kristaps 753: return;
754: }
755:
1.52 ! schwarze 756: search.arch = req->q.arch;
! 757: search.sec = req->q.sec;
! 758: search.deftype = TYPE_Nm | TYPE_Nd;
! 759: search.flags = 0;
! 760:
! 761: paths.sz = 1;
! 762: paths.paths = mandoc_malloc(sizeof(char *));
! 763: paths.paths[0] = mandoc_strdup(".");
1.24 kristaps 764:
765: /*
766: * Poor man's tokenisation: just break apart by spaces.
1.6 kristaps 767: * Yes, this is half-ass. But it works for now.
768: */
769:
1.52 ! schwarze 770: ep = req->q.expr;
1.6 kristaps 771: while (ep && isspace((unsigned char)*ep))
772: ep++;
773:
1.52 ! schwarze 774: sz = 0;
! 775: cp = NULL;
1.6 kristaps 776: while (ep && '\0' != *ep) {
1.51 schwarze 777: cp = mandoc_reallocarray(cp, sz + 1, sizeof(char *));
1.6 kristaps 778: start = ep;
779: while ('\0' != *ep && ! isspace((unsigned char)*ep))
780: ep++;
781: cp[sz] = mandoc_malloc((ep - start) + 1);
782: memcpy(cp[sz], start, ep - start);
783: cp[sz++][ep - start] = '\0';
784: while (isspace((unsigned char)*ep))
785: ep++;
786: }
787:
1.52 ! schwarze 788: if (mansearch(&search, &paths, sz, cp, "Nd", &res, &ressz))
! 789: resp_search(req, res, ressz);
! 790: else
1.6 kristaps 791: resp_baddb();
792:
793: for (i = 0; i < sz; i++)
794: free(cp[i]);
1.52 ! schwarze 795: free(cp);
! 796:
! 797: for (i = 0; i < (int)ressz; i++) {
! 798: free(res[i].file);
! 799: free(res[i].names);
! 800: free(res[i].output);
! 801: }
! 802: free(res);
1.6 kristaps 803:
1.52 ! schwarze 804: free(paths.paths[0]);
! 805: free(paths.paths);
1.1 kristaps 806: }
807:
808: int
809: main(void)
810: {
811: int i;
1.24 kristaps 812: DIR *cwd;
1.1 kristaps 813: struct req req;
1.6 kristaps 814: char *p, *path, *subpath;
815:
1.24 kristaps 816: /* Scan our run-time environment. */
1.6 kristaps 817:
1.29 kristaps 818: if (NULL == (cache = getenv("CACHE_DIR")))
819: cache = "/cache/man.cgi";
820:
821: if (NULL == (progname = getenv("SCRIPT_NAME")))
1.6 kristaps 822: progname = "";
823:
1.29 kristaps 824: if (NULL == (css = getenv("CSS_DIR")))
1.31 kristaps 825: css = "";
1.7 kristaps 826:
1.29 kristaps 827: if (NULL == (host = getenv("HTTP_HOST")))
1.24 kristaps 828: host = "localhost";
829:
830: /*
831: * First we change directory into the cache directory so that
832: * subsequent scanning for manpath directories is rooted
833: * relative to the same position.
834: */
835:
1.8 kristaps 836: if (-1 == chdir(cache)) {
1.24 kristaps 837: perror(cache);
838: resp_bad();
839: return(EXIT_FAILURE);
840: } else if (NULL == (cwd = opendir(cache))) {
841: perror(cache);
1.8 kristaps 842: resp_bad();
843: return(EXIT_FAILURE);
1.24 kristaps 844: }
845:
846: memset(&req, 0, sizeof(struct req));
1.7 kristaps 847:
1.52 ! schwarze 848: pathgen(cwd, &req);
1.24 kristaps 849: closedir(cwd);
1.1 kristaps 850:
1.24 kristaps 851: /* Next parse out the query string. */
1.1 kristaps 852:
853: if (NULL != (p = getenv("QUERY_STRING")))
1.26 kristaps 854: http_parse(&req, p);
1.1 kristaps 855:
1.24 kristaps 856: /*
857: * Now juggle paths to extract information.
858: * We want to extract our filetype (the file suffix), the
859: * initial path component, then the trailing component(s).
860: * Start with leading subpath component.
861: */
1.1 kristaps 862:
1.6 kristaps 863: subpath = path = NULL;
1.1 kristaps 864: req.page = PAGE__MAX;
865:
866: if (NULL == (path = getenv("PATH_INFO")) || '\0' == *path)
867: req.page = PAGE_INDEX;
1.6 kristaps 868:
1.1 kristaps 869: if (NULL != path && '/' == *path && '\0' == *++path)
870: req.page = PAGE_INDEX;
871:
1.6 kristaps 872: /* Resolve subpath component. */
1.1 kristaps 873:
874: if (NULL != path && NULL != (subpath = strchr(path, '/')))
1.6 kristaps 875: *subpath++ = '\0';
1.1 kristaps 876:
1.6 kristaps 877: /* Map path into one we recognise. */
1.1 kristaps 878:
879: if (NULL != path && '\0' != *path)
880: for (i = 0; i < (int)PAGE__MAX; i++)
881: if (0 == strcmp(pages[i], path)) {
882: req.page = (enum page)i;
883: break;
884: }
885:
1.6 kristaps 886: /* Route pages. */
887:
1.1 kristaps 888: switch (req.page) {
889: case (PAGE_INDEX):
1.24 kristaps 890: pg_index(&req, subpath);
1.1 kristaps 891: break;
892: case (PAGE_SEARCH):
1.24 kristaps 893: pg_search(&req, subpath);
1.6 kristaps 894: break;
895: case (PAGE_SHOW):
1.24 kristaps 896: pg_show(&req, subpath);
1.1 kristaps 897: break;
898: default:
1.10 kristaps 899: resp_error404(path);
1.1 kristaps 900: break;
901: }
902:
1.52 ! schwarze 903: for (i = 0; i < (int)req.psz; i++)
! 904: free(req.p[i]);
1.24 kristaps 905: free(req.p);
1.1 kristaps 906: return(EXIT_SUCCESS);
907: }
1.15 kristaps 908:
909: static int
910: cmp(const void *p1, const void *p2)
911: {
912:
1.52 ! schwarze 913: return(strcasecmp(((const struct manpage *)p1)->names,
! 914: ((const struct manpage *)p2)->names));
1.24 kristaps 915: }
916:
917: /*
918: * Scan for indexable paths.
919: */
920: static void
1.52 ! schwarze 921: pathgen(DIR *dir, struct req *req)
1.24 kristaps 922: {
923: struct dirent *d;
1.46 schwarze 924: #if defined(__sun)
925: struct stat sb;
926: #endif
1.24 kristaps 927:
928: while (NULL != (d = readdir(dir))) {
1.46 schwarze 929: #if defined(__sun)
930: stat(d->d_name, &sb);
931: if (!(S_IFDIR & sb.st_mode)
932: #else
933: if (DT_DIR != d->d_type
934: #endif
1.52 ! schwarze 935: || '.' != d->d_name[0]) {
! 936: req->p = mandoc_realloc(req->p,
! 937: (req->psz + 1) * sizeof(char *));
! 938: req->p[req->psz++] = mandoc_strdup(d->d_name);
1.24 kristaps 939: }
940: }
941: }
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