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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"
Ben Lindstromc51b9242002-07-07 22:10:15 +000026RCSID("$OpenBSD: sftp-glob.c,v 1.12 2002/07/04 04:15:33 deraadt 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
Ben Lindstromc51b9242002-07-07 22:10:15 +000054 if (do_readdir(cur.conn, (char *)path, &r->dir)) {
55 xfree(r);
Damien Miller4870afd2001-03-14 10:27:09 +110056 return(NULL);
Ben Lindstromc51b9242002-07-07 22:10:15 +000057 }
Damien Miller4870afd2001-03-14 10:27:09 +110058
59 r->offset = 0;
60
Ben Lindstroma962c2f2002-07-04 00:14:17 +000061 return((void *)r);
Damien Miller4870afd2001-03-14 10:27:09 +110062}
63
Ben Lindstrombba81212001-06-25 05:01:22 +000064static struct dirent *
65fudge_readdir(struct SFTP_OPENDIR *od)
Damien Miller4870afd2001-03-14 10:27:09 +110066{
Damien Miller18bb4732001-03-28 14:35:30 +100067 /* Solaris needs sizeof(dirent) + path length (see below) */
68 static char buf[sizeof(struct dirent) + MAXPATHLEN];
69 struct dirent *ret = (struct dirent *)buf;
Damien Miller4870afd2001-03-14 10:27:09 +110070#ifdef __GNU_LIBRARY__
71 static int inum = 1;
72#endif /* __GNU_LIBRARY__ */
73
74 if (od->dir[od->offset] == NULL)
75 return(NULL);
76
Damien Miller18bb4732001-03-28 14:35:30 +100077 memset(buf, 0, sizeof(buf));
Damien Miller4870afd2001-03-14 10:27:09 +110078
Damien Miller18bb4732001-03-28 14:35:30 +100079 /*
80 * Solaris defines dirent->d_name as a one byte array and expects
81 * you to hack around it.
82 */
83#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
84 strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
85#else
Ben Lindstroma3700052001-04-05 23:26:32 +000086 strlcpy(ret->d_name, od->dir[od->offset++]->filename,
Damien Miller18bb4732001-03-28 14:35:30 +100087 sizeof(ret->d_name));
88#endif
Damien Miller4870afd2001-03-14 10:27:09 +110089#ifdef __GNU_LIBRARY__
90 /*
91 * Idiot glibc uses extensions to struct dirent for readdir with
92 * ALTDIRFUNCs. Not that this is documented anywhere but the
93 * source... Fake an inode number to appease it.
94 */
Damien Miller18bb4732001-03-28 14:35:30 +100095 ret->d_ino = inum++;
Damien Miller4870afd2001-03-14 10:27:09 +110096 if (!inum)
97 inum = 1;
98#endif /* __GNU_LIBRARY__ */
99
Damien Miller18bb4732001-03-28 14:35:30 +1000100 return(ret);
Damien Miller4870afd2001-03-14 10:27:09 +1100101}
102
Ben Lindstrombba81212001-06-25 05:01:22 +0000103static void
104fudge_closedir(struct SFTP_OPENDIR *od)
Damien Miller4870afd2001-03-14 10:27:09 +1100105{
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
Ben Lindstrombba81212001-06-25 05:01:22 +0000110static void
111attrib_to_stat(Attrib *a, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100112{
113 memset(st, 0, sizeof(*st));
Damien Miller9f0f5c62001-12-21 14:45:46 +1100114
Damien Miller4870afd2001-03-14 10:27:09 +1100115 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
116 st->st_size = a->size;
117 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
118 st->st_uid = a->uid;
119 st->st_gid = a->gid;
120 }
121 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
122 st->st_mode = a->perm;
123 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
124 st->st_atime = a->atime;
125 st->st_mtime = a->mtime;
126 }
127}
128
Ben Lindstrombba81212001-06-25 05:01:22 +0000129static int
130fudge_lstat(const char *path, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100131{
132 Attrib *a;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100133
Ben Lindstroma962c2f2002-07-04 00:14:17 +0000134 if (!(a = do_lstat(cur.conn, (char *)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100135 return(-1);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100136
Damien Miller4870afd2001-03-14 10:27:09 +1100137 attrib_to_stat(a, st);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100138
Damien Miller4870afd2001-03-14 10:27:09 +1100139 return(0);
140}
141
Ben Lindstrombba81212001-06-25 05:01:22 +0000142static int
143fudge_stat(const char *path, struct stat *st)
Damien Miller4870afd2001-03-14 10:27:09 +1100144{
145 Attrib *a;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100146
Ben Lindstroma962c2f2002-07-04 00:14:17 +0000147 if (!(a = do_stat(cur.conn, (char *)path, 0)))
Damien Miller4870afd2001-03-14 10:27:09 +1100148 return(-1);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100149
Damien Miller4870afd2001-03-14 10:27:09 +1100150 attrib_to_stat(a, st);
Damien Miller9f0f5c62001-12-21 14:45:46 +1100151
Damien Miller4870afd2001-03-14 10:27:09 +1100152 return(0);
153}
154
155int
Damien Miller3db5f532002-02-13 14:10:32 +1100156remote_glob(struct sftp_conn *conn, const char *pattern, int flags,
Ben Lindstrom206941f2001-04-15 14:27:16 +0000157 int (*errfunc)(const char *, int), glob_t *pglob)
Damien Miller4870afd2001-03-14 10:27:09 +1100158{
Damien Millerea12acf2001-07-14 12:14:56 +1000159 pglob->gl_opendir = fudge_opendir;
160 pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
161 pglob->gl_closedir = (void (*)(void *))fudge_closedir;
Damien Miller4870afd2001-03-14 10:27:09 +1100162 pglob->gl_lstat = fudge_lstat;
163 pglob->gl_stat = fudge_stat;
Damien Miller9f0f5c62001-12-21 14:45:46 +1100164
Damien Miller4870afd2001-03-14 10:27:09 +1100165 memset(&cur, 0, sizeof(cur));
Damien Miller3db5f532002-02-13 14:10:32 +1100166 cur.conn = conn;
Damien Miller4870afd2001-03-14 10:27:09 +1100167
Damien Miller3db5f532002-02-13 14:10:32 +1100168 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob));
Damien Miller4870afd2001-03-14 10:27:09 +1100169}