sftp-glob.c revision 76259 
1/*
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"
26RCSID("$OpenBSD: sftp-glob.c,v 1.5 2001/04/15 08:43:46 markus Exp $");
27
28#include <glob.h>
29
30#include "ssh.h"
31#include "buffer.h"
32#include "bufaux.h"
33#include "getput.h"
34#include "xmalloc.h"
35#include "log.h"
36#include "atomicio.h"
37#include "pathnames.h"
38
39#include "sftp.h"
40#include "sftp-common.h"
41#include "sftp-client.h"
42#include "sftp-glob.h"
43
44struct SFTP_OPENDIR {
45	SFTP_DIRENT **dir;
46	int offset;
47};
48
49static struct {
50	int fd_in;
51	int fd_out;
52} cur;
53
54void *fudge_opendir(const char *path)
55{
56	struct SFTP_OPENDIR *r;
57
58	r = xmalloc(sizeof(*r));
59
60	if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir))
61		return(NULL);
62
63	r->offset = 0;
64
65	return((void*)r);
66}
67
68struct dirent *fudge_readdir(struct SFTP_OPENDIR *od)
69{
70	static struct dirent ret;
71
72	if (od->dir[od->offset] == NULL)
73		return(NULL);
74
75	memset(&ret, 0, sizeof(ret));
76	strlcpy(ret.d_name, od->dir[od->offset++]->filename,
77	    sizeof(ret.d_name));
78
79	return(&ret);
80}
81
82void fudge_closedir(struct SFTP_OPENDIR *od)
83{
84	free_sftp_dirents(od->dir);
85	xfree(od);
86}
87
88void attrib_to_stat(Attrib *a, struct stat *st)
89{
90	memset(st, 0, sizeof(*st));
91
92	if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
93		st->st_size = a->size;
94	if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
95		st->st_uid = a->uid;
96		st->st_gid = a->gid;
97	}
98	if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
99		st->st_mode = a->perm;
100	if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
101		st->st_atime = a->atime;
102		st->st_mtime = a->mtime;
103	}
104}
105
106int fudge_lstat(const char *path, struct stat *st)
107{
108	Attrib *a;
109
110	if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0)))
111		return(-1);
112
113	attrib_to_stat(a, st);
114
115	return(0);
116}
117
118int fudge_stat(const char *path, struct stat *st)
119{
120	Attrib *a;
121
122	if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0)))
123		return(-1);
124
125	attrib_to_stat(a, st);
126
127	return(0);
128}
129
130int
131remote_glob(int fd_in, int fd_out, const char *pattern, int flags,
132    int (*errfunc)(const char *, int), glob_t *pglob)
133{
134	pglob->gl_opendir = (void*)fudge_opendir;
135	pglob->gl_readdir = (void*)fudge_readdir;
136	pglob->gl_closedir = (void*)fudge_closedir;
137	pglob->gl_lstat = fudge_lstat;
138	pglob->gl_stat = fudge_stat;
139
140	memset(&cur, 0, sizeof(cur));
141	cur.fd_in = fd_in;
142	cur.fd_out = fd_out;
143
144	return(glob(pattern, flags | GLOB_ALTDIRFUNC, (void*)errfunc,
145	    pglob));
146}
147