/*
* Copyright (c) 2004-2005 Sergey Lyubka <valenok@gmail.com>
* All rights reserved
*
* "THE BEER-WARE LICENSE" (Revision 42):
* Sergey Lyubka wrote this file. As long as you retain this notice you
* can do whatever you want with this stuff. If we meet some day, and you think
* this stuff is worth it, you can buy me a beer in return.
*/
#include "defs.h"
/*
* For a given PUT path, create all intermediate subdirectories
* for given path. Return 0 if the path itself is a directory,
* or -1 on error, 1 if OK.
*/
int
put_dir(const char *path)
{
char buf[FILENAME_MAX];
const char *s, *p;
struct stat st;
size_t len;
for (s = p = path + 2; (p = strchr(s, '/')) != NULL; s = ++p) {
len = p - path;
assert(len < sizeof(buf));
(void) memcpy(buf, path, len);
buf[len] = '\0';
/* Try to create intermediate directory */
if (my_stat(buf, &st) == -1 && my_mkdir(buf, 0755) != 0)
return (-1);
/* Is path itself a directory ? */
if (p[1] == '\0')
return (0);
}
return (1);
}
static int
read_dir(struct stream *stream, void *buf, size_t len)
{
struct dirent *dp = NULL;
char file[FILENAME_MAX], line[FILENAME_MAX + 512],
size[64], mod[64];
struct stat st;
struct conn *c = stream->conn;
int n, nwritten = 0;
const char *slash = "";
assert(stream->chan.dir.dirp != NULL);
assert(stream->conn->uri[0] != '\0');
do {
if (len < sizeof(line))
break;
if ((dp = readdir(stream->chan.dir.dirp)) == NULL) {
stream->flags |= FLAG_CLOSED;
break;
}
DBG(("read_dir: %s", dp->d_name));
/* Do not show current dir and passwords file */
if (strcmp(dp->d_name, ".") == 0 ||
strcmp(dp->d_name, HTPASSWD) == 0)
continue;
(void) my_snprintf(file, sizeof(file),
"%s%s%s", stream->chan.dir.path, slash, dp->d_name);
(void) my_stat(file, &st);
if (S_ISDIR(st.st_mode)) {
my_snprintf(size,sizeof(size),"%s","<DIR>");
} else {
if (st.st_size < 1024)
(void) my_snprintf(size, sizeof(size),
"%lu", (unsigned long) st.st_size);
else if (st.st_size < 1024 * 1024)
(void) my_snprintf(size, sizeof(size), "%luk",
(unsigned long) (st.st_size >> 10) + 1);
else
(void) my_snprintf(size, sizeof(size),
"%.1fM", (float) st.st_size / 1048576);
}
(void) strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M",
localtime(&st.st_mtime));
n = my_snprintf(line, sizeof(line),
"<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
"<td> %s</td><td> %s</td></tr>\n",
c->uri, slash, dp->d_name, dp->d_name,
S_ISDIR(st.st_mode) ? "/" : "", mod, size);
(void) memcpy(buf, line, n);
buf = (char *) buf + n;
nwritten += n;
len -= n;
} while (dp != NULL);
return (nwritten);
}
static void
close_dir(struct stream *stream)
{
assert(stream->chan.dir.dirp != NULL);
assert(stream->chan.dir.path != NULL);
(void) closedir(stream->chan.dir.dirp);
free(stream->chan.dir.path);
}
void
get_dir(struct conn *c)
{
if ((c->loc.chan.dir.dirp = opendir(c->loc.chan.dir.path)) == NULL) {
(void) free(c->loc.chan.dir.path);
send_server_error(c, 500, "Cannot open directory");
} else {
c->loc.io.head = my_snprintf(c->loc.io.buf, c->loc.io.size,
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/html; charset=utf-8\r\n\r\n"
"<html><head><title>Index of %s</title>"
"<style>th {text-align: left;}</style></head>"
"<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
"<tr><th>Name</th><th>Modified</th><th>Size</th></tr>"
"<tr><td colspan=\"3\"><hr></td></tr>",
c->uri, c->uri);
io_clear(&c->rem.io);
c->status = 200;
c->loc.io_class = &io_dir;
c->loc.flags |= FLAG_R | FLAG_ALWAYS_READY;
}
}
const struct io_class io_dir = {
"dir",
read_dir,
NULL,
close_dir
};
