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Damien Miller4870afd2001-03-14 10:27:09 +11001/*
Damien Miller3db5f532002-02-13 14:10:32 +11002 * Copyright (c) 2001,2002 Damien Miller. All rights reserved.
Damien Miller4870afd2001-03-14 10:27:09 +11003 *
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"
Damien Miller3db5f532002-02-13 14:10:32 +110026RCSID("$OpenBSD: sftp-glob.c,v 1.10 2002/02/13 00:59:23 djm Exp $");
Damien Miller4870afd2001-03-14 10:27:09 +110027
Damien Miller4870afd2001-03-14 10:27:09 +110028#include "buffer.h"
29#include "bufaux.h"
Damien Miller4870afd2001-03-14 10:27:09 +110030#include "xmalloc.h"
31#include "log.h"
Damien Miller4870afd2001-03-14 10:27:09 +110032
33#include "sftp.h"
34#include "sftp-common.h"
35#include "sftp-client.h"
36#include "sftp-glob.h"
37
38struct SFTP_OPENDIR {
39 SFTP_DIRENT **dir;
40 int offset;
41};
42
43static struct {
Damien Miller3db5f532002-02-13 14:10:32 +110044 struct sftp_conn *conn;
Damien Miller4870afd2001-03-14 10:27:09 +110045} cur;
46
Ben Lindstrombba81212001-06-25 05:01:22 +000047static void *
48fudge_opendir(const char *path)
Damien Miller4870afd2001-03-14 10:27:09 +110049{
50 struct SFTP_OPENDIR *r;
Damien Miller9f0f5c62001-12-21 14:45:46 +110051
Damien Miller4870afd2001-03-14 10:27:09 +110052 r = xmalloc(sizeof(*r));
Damien Miller9f0f5c62001-12-21 14:45:46 +110053
Damien Miller3db5f532002-02-13 14:10:32 +110054 if (do_readdir(cur.conn, (char*)path, &r->dir))
Damien Miller4870afd2001-03-14 10:27:09 +110055 return(NULL);
56
57 r->offset = 0;
58
59 return((void*)r);
60}
61
Ben Lindstrombba81212001-06-25 05:01:22 +000062static struct dirent *
63fudge_readdir(struct SFTP_OPENDIR *od)
Damien Miller4870afd2001-03-14 10:27:09 +110064{
Damien Miller18bb4732001-03-28 14:35:30 +100065 /* Solaris needs sizeof(dirent) + path length (see below) */
66 static char buf[sizeof(struct dirent) + MAXPATHLEN];
67 struct dirent *ret = (struct dirent *)buf;
Damien Miller4870afd2001-03-14 10:27:09 +110068#ifdef __GNU_LIBRARY__
69 static int inum = 1;
70#endif /* __GNU_LIBRARY__ */
71
72 if (od->dir[od->offset] == NULL)
73 return(NULL);
74
Damien Miller18bb4732001-03-28 14:35:30 +100075 memset(buf, 0, sizeof(buf));
Damien Miller4870afd2001-03-14 10:27:09 +110076
Damien Miller18bb4732001-03-28 14:35:30 +100077 /*
78 * Solaris defines dirent->d_name as a one byte array and expects
79 * you to hack around it.
80 */
81#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
82 strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
83#else
Ben Lindstroma3700052001-04-05 23:26:32 +000084 strlcpy(ret->d_name, od->dir[od->offset++]->filename,
Damien Miller18bb4732001-03-28 14:35:30 +100085 sizeof(ret->d_name));
86#endif
Damien Miller4870afd2001-03-14 10:27:09 +110087#ifdef __GNU_LIBRARY__
88 /*
89 * Idiot glibc uses extensions to struct dirent for readdir with
90 * ALTDIRFUNCs. Not that this is documented anywhere but the
91 * source... Fake an inode number to appease it.
92 */
Damien Miller18bb4732001-03-28 14:35:30 +100093 ret->d_ino = inum++;
Damien Miller4870afd2001-03-14 10:27:09 +110094 if (!inum)
95 inum = 1;
96#endif /* __GNU_LIBRARY__ */
97
Damien Miller18bb4732001-03-28 14:35:30 +100098 return(ret);
Damien Miller4870afd2001-03-14 10:27:09 +110099}
100
Ben Lindstrombba81212001-06-25 05:01:22 +0000101static void
102fudge_closedir(struct SFTP_OPENDIR *od)
Damien Miller4870afd2001-03-14 10:27:09 +1100103{
104 free_sftp_dirents(od->dir);
Ben Lindstrom86ebcb62001-04-04 01:53:20 +0000105 xfree(od);
Damien Miller4870afd2001-03-14 10:27:09 +1100106}
107
Ben Lindstrombba81212001-06-25 05:01:22 +0000108static void
109attrib_to_stat(Attrib *a, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100110{
111 memset(st, 0, sizeof(*st));
Damien Miller9f0f5c62001-12-21 14:45:46 +1100112
Damien Miller4870afd2001-03-14 10:27:09 +1100113 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
114 st->st_size = a->size;
115 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
116 st->st_uid = a->uid;
117 st->st_gid = a->gid;
118 }
119 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
120 st->st_mode = a->perm;
121 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
122 st->st_atime = a->atime;
123 st->st_mtime = a->mtime;
124 }
125}
126
Ben Lindstrombba81212001-06-25 05:01:22 +0000127static int
128fudge_lstat(const char *path, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100129{
130 Attrib *a;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100131
Damien Miller3db5f532002-02-13 14:10:32 +1100132 if (!(a = do_lstat(cur.conn, (char*)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100133 return(-1);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100134
Damien Miller4870afd2001-03-14 10:27:09 +1100135 attrib_to_stat(a, st);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100136
Damien Miller4870afd2001-03-14 10:27:09 +1100137 return(0);
138}
139
Ben Lindstrombba81212001-06-25 05:01:22 +0000140static int
141fudge_stat(const char *path, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100142{
143 Attrib *a;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100144
Damien Miller3db5f532002-02-13 14:10:32 +1100145 if (!(a = do_stat(cur.conn, (char*)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100146 return(-1);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100147
Damien Miller4870afd2001-03-14 10:27:09 +1100148 attrib_to_stat(a, st);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100149
Damien Miller4870afd2001-03-14 10:27:09 +1100150 return(0);
151}
152
153int
Damien Miller3db5f532002-02-13 14:10:32 +1100154remote_glob(struct sftp_conn *conn, const char *pattern, int flags,
Ben Lindstrom206941f2001-04-15 14:27:16 +0000155 int (*errfunc)(const char *, int), glob_t *pglob)
Damien Miller4870afd2001-03-14 10:27:09 +1100156{
Damien Millerea12acf2001-07-14 12:14:56 +1000157 pglob->gl_opendir = fudge_opendir;
158 pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
159 pglob->gl_closedir = (void (*)(void *))fudge_closedir;
Damien Miller4870afd2001-03-14 10:27:09 +1100160 pglob->gl_lstat = fudge_lstat;
161 pglob->gl_stat = fudge_stat;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100162
Damien Miller4870afd2001-03-14 10:27:09 +1100163 memset(&cur, 0, sizeof(cur));
Damien Miller3db5f532002-02-13 14:10:32 +1100164 cur.conn = conn;
Damien Miller4870afd2001-03-14 10:27:09 +1100165
Damien Miller3db5f532002-02-13 14:10:32 +1100166 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob));
Damien Miller4870afd2001-03-14 10:27:09 +1100167}