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2e4fb373 1/*
ab3932ab 2 * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
2e4fb373 3 *
ab3932ab 4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
2e4fb373 7 *
ab3932ab 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2e4fb373 15 */
16
17#include "includes.h"
4095f623 18RCSID("$OpenBSD: sftp-glob.c,v 1.17 2006/02/20 17:19:54 stevesk Exp $");
19
20#include <sys/types.h>
21#ifdef HAVE_SYS_STAT_H
22# include <sys/stat.h>
23#endif
68e39d38 24
25#include <dirent.h>
2e4fb373 26
2e4fb373 27#include "buffer.h"
28#include "bufaux.h"
2e4fb373 29#include "xmalloc.h"
30#include "log.h"
2e4fb373 31
32#include "sftp.h"
33#include "sftp-common.h"
34#include "sftp-client.h"
caf1e9f0 35
36int remote_glob(struct sftp_conn *, const char *, int,
37 int (*)(const char *, int), glob_t *);
2e4fb373 38
39struct SFTP_OPENDIR {
40 SFTP_DIRENT **dir;
41 int offset;
42};
43
44static struct {
22e6c827 45 struct sftp_conn *conn;
2e4fb373 46} cur;
47
396c147e 48static void *
49fudge_opendir(const char *path)
2e4fb373 50{
51 struct SFTP_OPENDIR *r;
184eed6a 52
2e4fb373 53 r = xmalloc(sizeof(*r));
184eed6a 54
da2499f5 55 if (do_readdir(cur.conn, (char *)path, &r->dir)) {
56 xfree(r);
2e4fb373 57 return(NULL);
da2499f5 58 }
2e4fb373 59
60 r->offset = 0;
61
343288b8 62 return((void *)r);
2e4fb373 63}
64
396c147e 65static struct dirent *
66fudge_readdir(struct SFTP_OPENDIR *od)
2e4fb373 67{
edbe6722 68 /* Solaris needs sizeof(dirent) + path length (see below) */
69 static char buf[sizeof(struct dirent) + MAXPATHLEN];
70 struct dirent *ret = (struct dirent *)buf;
2e4fb373 71#ifdef __GNU_LIBRARY__
72 static int inum = 1;
73#endif /* __GNU_LIBRARY__ */
b6453d99 74
2e4fb373 75 if (od->dir[od->offset] == NULL)
76 return(NULL);
77
edbe6722 78 memset(buf, 0, sizeof(buf));
2e4fb373 79
edbe6722 80 /*
81 * Solaris defines dirent->d_name as a one byte array and expects
82 * you to hack around it.
83 */
84#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
85 strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
86#else
cd332296 87 strlcpy(ret->d_name, od->dir[od->offset++]->filename,
edbe6722 88 sizeof(ret->d_name));
89#endif
2e4fb373 90#ifdef __GNU_LIBRARY__
91 /*
92 * Idiot glibc uses extensions to struct dirent for readdir with
aff51935 93 * ALTDIRFUNCs. Not that this is documented anywhere but the
2e4fb373 94 * source... Fake an inode number to appease it.
95 */
edbe6722 96 ret->d_ino = inum++;
2e4fb373 97 if (!inum)
98 inum = 1;
99#endif /* __GNU_LIBRARY__ */
100
edbe6722 101 return(ret);
2e4fb373 102}
103
396c147e 104static void
105fudge_closedir(struct SFTP_OPENDIR *od)
2e4fb373 106{
107 free_sftp_dirents(od->dir);
894c5fa6 108 xfree(od);
2e4fb373 109}
110
396c147e 111static int
112fudge_lstat(const char *path, struct stat *st)
2e4fb373 113{
114 Attrib *a;
184eed6a 115
343288b8 116 if (!(a = do_lstat(cur.conn, (char *)path, 0)))
2e4fb373 117 return(-1);
184eed6a 118
2e4fb373 119 attrib_to_stat(a, st);
184eed6a 120
2e4fb373 121 return(0);
122}
123
396c147e 124static int
125fudge_stat(const char *path, struct stat *st)
2e4fb373 126{
127 Attrib *a;
184eed6a 128
343288b8 129 if (!(a = do_stat(cur.conn, (char *)path, 0)))
2e4fb373 130 return(-1);
184eed6a 131
2e4fb373 132 attrib_to_stat(a, st);
184eed6a 133
2e4fb373 134 return(0);
135}
136
137int
22e6c827 138remote_glob(struct sftp_conn *conn, const char *pattern, int flags,
ec1f12d3 139 int (*errfunc)(const char *, int), glob_t *pglob)
2e4fb373 140{
29009047 141 pglob->gl_opendir = fudge_opendir;
142 pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
143 pglob->gl_closedir = (void (*)(void *))fudge_closedir;
2e4fb373 144 pglob->gl_lstat = fudge_lstat;
145 pglob->gl_stat = fudge_stat;
184eed6a 146
2e4fb373 147 memset(&cur, 0, sizeof(cur));
22e6c827 148 cur.conn = conn;
2e4fb373 149
22e6c827 150 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob));
2e4fb373 151}
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