dir-index-bozo.c revision 1.1 1 1.1 tls /* $eterna: dir-index-bozo.c,v 1.7 2006/05/17 08:18:44 mrg Exp $ */
2 1.1 tls
3 1.1 tls /*
4 1.1 tls * Copyright (c) 1997-2006 Matthew R. Green
5 1.1 tls * All rights reserved.
6 1.1 tls *
7 1.1 tls * Redistribution and use in source and binary forms, with or without
8 1.1 tls * modification, are permitted provided that the following conditions
9 1.1 tls * are met:
10 1.1 tls * 1. Redistributions of source code must retain the above copyright
11 1.1 tls * notice, this list of conditions and the following disclaimer.
12 1.1 tls * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 tls * notice, this list of conditions and the following disclaimer and
14 1.1 tls * dedication in the documentation and/or other materials provided
15 1.1 tls * with the distribution.
16 1.1 tls * 3. The name of the author may not be used to endorse or promote products
17 1.1 tls * derived from this software without specific prior written permission.
18 1.1 tls *
19 1.1 tls * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 1.1 tls * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 1.1 tls * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 1.1 tls * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 1.1 tls * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 1.1 tls * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 1.1 tls * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 1.1 tls * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 1.1 tls * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.1 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.1 tls * SUCH DAMAGE.
30 1.1 tls *
31 1.1 tls */
32 1.1 tls
33 1.1 tls /* this code implements directory index generation for bozohttpd */
34 1.1 tls
35 1.1 tls #ifndef NO_DIRINDEX_SUPPORT
36 1.1 tls
37 1.1 tls #include <sys/param.h>
38 1.1 tls
39 1.1 tls #include <dirent.h>
40 1.1 tls #include <errno.h>
41 1.1 tls #include <string.h>
42 1.1 tls #include <time.h>
43 1.1 tls #include <assert.h>
44 1.1 tls
45 1.1 tls #include "bozohttpd.h"
46 1.1 tls
47 1.1 tls int Xflag; /* do directory indexing */
48 1.1 tls int Hflag; /* hide .* */
49 1.1 tls
50 1.1 tls /*
51 1.1 tls * output a directory index. return 1 if it actually did something..
52 1.1 tls */
53 1.1 tls int
54 1.1 tls directory_index(http_req *request, const char *dirname, int isindex)
55 1.1 tls {
56 1.1 tls struct stat sb;
57 1.1 tls struct dirent *de;
58 1.1 tls struct tm *tm;
59 1.1 tls DIR *dp;
60 1.1 tls char buf[MAXPATHLEN];
61 1.1 tls char spacebuf[48];
62 1.1 tls int l, i;
63 1.1 tls
64 1.1 tls dp = NULL; /* XXX */
65 1.1 tls
66 1.1 tls if (!isindex || !Xflag)
67 1.1 tls return 0;
68 1.1 tls
69 1.1 tls if (strlen(dirname) <= strlen(index_html))
70 1.1 tls dirname = ".";
71 1.1 tls else {
72 1.1 tls char *file = bozostrdup(dirname);
73 1.1 tls
74 1.1 tls file[strlen(file) - strlen(index_html)] = '\0';
75 1.1 tls dirname = file;
76 1.1 tls }
77 1.1 tls debug((DEBUG_FAT, "directory_index: dirname ``%s''", dirname));
78 1.1 tls if (stat(dirname, &sb) < 0 ||
79 1.1 tls (dp = opendir(dirname)) == NULL) {
80 1.1 tls if (errno == EPERM)
81 1.1 tls http_error(403, request,
82 1.1 tls "no permission to open directory");
83 1.1 tls else if (errno == ENOENT)
84 1.1 tls http_error(404, request, "no file");
85 1.1 tls else
86 1.1 tls http_error(500, request, "open directory");
87 1.1 tls /* NOTREACHED */
88 1.1 tls }
89 1.1 tls
90 1.1 tls bozoprintf("%s 200 OK\r\n", request->hr_proto);
91 1.1 tls
92 1.1 tls if (request->hr_proto != http_09) {
93 1.1 tls print_header(request, NULL, "text/html", "");
94 1.1 tls bozoprintf("\r\n");
95 1.1 tls }
96 1.1 tls bozoflush(stdout);
97 1.1 tls
98 1.1 tls if (request->hr_method == HTTP_HEAD) {
99 1.1 tls closedir(dp);
100 1.1 tls return 1;
101 1.1 tls }
102 1.1 tls
103 1.1 tls bozoprintf("<html><head><title>Index of %s</title></head>\r\n",
104 1.1 tls request->hr_url);
105 1.1 tls bozoprintf("<body><h1>Index of %s</h1>\r\n", request->hr_url);
106 1.1 tls bozoprintf("<pre>\r\n");
107 1.1 tls #define NAMELEN 40
108 1.1 tls #define LMODLEN 19
109 1.1 tls bozoprintf("Name "
110 1.1 tls "Last modified "
111 1.1 tls "Size\n");
112 1.1 tls bozoprintf("<hr noshade align=\"left\" width=\"80%%\">\r\n\r\n");
113 1.1 tls
114 1.1 tls while ((de = readdir(dp)) != NULL) {
115 1.1 tls int nostat = 0;
116 1.1 tls char *name = de->d_name;
117 1.1 tls
118 1.1 tls if (strcmp(name, ".") == 0 ||
119 1.1 tls (strcmp(name, "..") != 0 && Hflag && name[0] == '.'))
120 1.1 tls continue;
121 1.1 tls
122 1.1 tls snprintf(buf, sizeof buf, "%s/%s", dirname, name);
123 1.1 tls if (stat(buf, &sb))
124 1.1 tls nostat = 1;
125 1.1 tls
126 1.1 tls l = 0;
127 1.1 tls
128 1.1 tls if (strcmp(name, "..") == 0) {
129 1.1 tls bozoprintf("<a href=\"../\">");
130 1.1 tls l += bozoprintf("Parent Directory");
131 1.1 tls } else if (S_ISDIR(sb.st_mode)) {
132 1.1 tls bozoprintf("<a href=\"%s/\">", name);
133 1.1 tls l += bozoprintf("%s/", name);
134 1.1 tls } else {
135 1.1 tls bozoprintf("<a href=\"%s\">", name);
136 1.1 tls l += bozoprintf("%s", name);
137 1.1 tls }
138 1.1 tls bozoprintf("</a>");
139 1.1 tls
140 1.1 tls /* NAMELEN spaces */
141 1.1 tls assert(sizeof(spacebuf) > NAMELEN);
142 1.1 tls i = (l < NAMELEN) ? (NAMELEN - l) : 0;
143 1.1 tls i++;
144 1.1 tls memset(spacebuf, ' ', i);
145 1.1 tls spacebuf[i] = '\0';
146 1.1 tls bozoprintf(spacebuf);
147 1.1 tls l += i;
148 1.1 tls
149 1.1 tls if (nostat)
150 1.1 tls bozoprintf("? ?");
151 1.1 tls else {
152 1.1 tls tm = gmtime(&sb.st_mtime);
153 1.1 tls strftime(buf, sizeof buf, "%d-%b-%Y %R", tm);
154 1.1 tls l += bozoprintf("%s", buf);
155 1.1 tls
156 1.1 tls /* LMODLEN spaces */
157 1.1 tls assert(sizeof(spacebuf) > LMODLEN);
158 1.1 tls i = (l < (LMODLEN+NAMELEN+1)) ? ((LMODLEN+NAMELEN+1) - l) : 0;
159 1.1 tls i++;
160 1.1 tls memset(spacebuf, ' ', i);
161 1.1 tls spacebuf[i] = '\0';
162 1.1 tls bozoprintf(spacebuf);
163 1.1 tls
164 1.1 tls bozoprintf("%7ukB",
165 1.1 tls ((unsigned int)(sb.st_size >> 10)));
166 1.1 tls }
167 1.1 tls bozoprintf("\r\n");
168 1.1 tls }
169 1.1 tls
170 1.1 tls closedir(dp);
171 1.1 tls bozoprintf("</pre><hr></body></html>\r\n");
172 1.1 tls bozoflush(stdout);
173 1.1 tls
174 1.1 tls return 1;
175 1.1 tls }
176 1.1 tls #endif /* NO_DIRINDEX_SUPPORT */
177