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Damien Miller4870afd2001-03-14 10:27:09 +11001/*
2 * Copyright (c) 2001 Damien Miller. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "includes.h"
Ben Lindstrom206941f2001-04-15 14:27:16 +000026RCSID("$OpenBSD: sftp-glob.c,v 1.5 2001/04/15 08:43:46 markus Exp $");
Damien Miller4870afd2001-03-14 10:27:09 +110027
Damien Miller4870afd2001-03-14 10:27:09 +110028#include "ssh.h"
29#include "buffer.h"
30#include "bufaux.h"
31#include "getput.h"
32#include "xmalloc.h"
33#include "log.h"
34#include "atomicio.h"
35#include "pathnames.h"
36
37#include "sftp.h"
38#include "sftp-common.h"
39#include "sftp-client.h"
40#include "sftp-glob.h"
41
42struct SFTP_OPENDIR {
43 SFTP_DIRENT **dir;
44 int offset;
45};
46
47static struct {
48 int fd_in;
49 int fd_out;
50} cur;
51
52void *fudge_opendir(const char *path)
53{
54 struct SFTP_OPENDIR *r;
55
56 r = xmalloc(sizeof(*r));
57
58 if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir))
59 return(NULL);
60
61 r->offset = 0;
62
63 return((void*)r);
64}
65
66struct dirent *fudge_readdir(struct SFTP_OPENDIR *od)
67{
Damien Miller18bb4732001-03-28 14:35:30 +100068 /* Solaris needs sizeof(dirent) + path length (see below) */
69 static char buf[sizeof(struct dirent) + MAXPATHLEN];
70 struct dirent *ret = (struct dirent *)buf;
Damien Miller4870afd2001-03-14 10:27:09 +110071#ifdef __GNU_LIBRARY__
72 static int inum = 1;
73#endif /* __GNU_LIBRARY__ */
74
75 if (od->dir[od->offset] == NULL)
76 return(NULL);
77
Damien Miller18bb4732001-03-28 14:35:30 +100078 memset(buf, 0, sizeof(buf));
Damien Miller4870afd2001-03-14 10:27:09 +110079
Damien Miller18bb4732001-03-28 14:35:30 +100080 /*
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
Ben Lindstroma3700052001-04-05 23:26:32 +000087 strlcpy(ret->d_name, od->dir[od->offset++]->filename,
Damien Miller18bb4732001-03-28 14:35:30 +100088 sizeof(ret->d_name));
89#endif
Damien Miller4870afd2001-03-14 10:27:09 +110090#ifdef __GNU_LIBRARY__
91 /*
92 * Idiot glibc uses extensions to struct dirent for readdir with
93 * ALTDIRFUNCs. Not that this is documented anywhere but the
94 * source... Fake an inode number to appease it.
95 */
Damien Miller18bb4732001-03-28 14:35:30 +100096 ret->d_ino = inum++;
Damien Miller4870afd2001-03-14 10:27:09 +110097 if (!inum)
98 inum = 1;
99#endif /* __GNU_LIBRARY__ */
100
Damien Miller18bb4732001-03-28 14:35:30 +1000101 return(ret);
Damien Miller4870afd2001-03-14 10:27:09 +1100102}
103
104void fudge_closedir(struct SFTP_OPENDIR *od)
105{
106 free_sftp_dirents(od->dir);
Ben Lindstrom86ebcb62001-04-04 01:53:20 +0000107 xfree(od);
Damien Miller4870afd2001-03-14 10:27:09 +1100108}
109
110void attrib_to_stat(Attrib *a, struct stat *st)
111{
112 memset(st, 0, sizeof(*st));
113
114 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
115 st->st_size = a->size;
116 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
117 st->st_uid = a->uid;
118 st->st_gid = a->gid;
119 }
120 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
121 st->st_mode = a->perm;
122 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
123 st->st_atime = a->atime;
124 st->st_mtime = a->mtime;
125 }
126}
127
128int fudge_lstat(const char *path, struct stat *st)
129{
130 Attrib *a;
131
Ben Lindstromc8d1c302001-03-17 00:34:46 +0000132 if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100133 return(-1);
134
135 attrib_to_stat(a, st);
136
137 return(0);
138}
139
140int fudge_stat(const char *path, struct stat *st)
141{
142 Attrib *a;
143
Ben Lindstromc8d1c302001-03-17 00:34:46 +0000144 if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100145 return(-1);
146
147 attrib_to_stat(a, st);
148
149 return(0);
150}
151
152int
Ben Lindstroma3700052001-04-05 23:26:32 +0000153remote_glob(int fd_in, int fd_out, const char *pattern, int flags,
Ben Lindstrom206941f2001-04-15 14:27:16 +0000154 int (*errfunc)(const char *, int), glob_t *pglob)
Damien Miller4870afd2001-03-14 10:27:09 +1100155{
156 pglob->gl_opendir = (void*)fudge_opendir;
157 pglob->gl_readdir = (void*)fudge_readdir;
158 pglob->gl_closedir = (void*)fudge_closedir;
159 pglob->gl_lstat = fudge_lstat;
160 pglob->gl_stat = fudge_stat;
161
162 memset(&cur, 0, sizeof(cur));
163 cur.fd_in = fd_in;
164 cur.fd_out = fd_out;
165
Ben Lindstroma3700052001-04-05 23:26:32 +0000166 return(glob(pattern, flags | GLOB_ALTDIRFUNC, (void*)errfunc,
Damien Miller4870afd2001-03-14 10:27:09 +1100167 pglob));
168}