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3c0ef626 | 1 | /* |
e9a17296 | 2 | * Copyright (c) 2001,2002 Damien Miller. All rights reserved. |
3c0ef626 | 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" | |
e9a17296 | 26 | RCSID("$OpenBSD: sftp-glob.c,v 1.10 2002/02/13 00:59:23 djm Exp $"); |
3c0ef626 | 27 | |
28 | #include "buffer.h" | |
29 | #include "bufaux.h" | |
30 | #include "xmalloc.h" | |
31 | #include "log.h" | |
32 | ||
33 | #include "sftp.h" | |
34 | #include "sftp-common.h" | |
35 | #include "sftp-client.h" | |
36 | #include "sftp-glob.h" | |
37 | ||
38 | struct SFTP_OPENDIR { | |
39 | SFTP_DIRENT **dir; | |
40 | int offset; | |
41 | }; | |
42 | ||
43 | static struct { | |
e9a17296 | 44 | struct sftp_conn *conn; |
3c0ef626 | 45 | } cur; |
46 | ||
47 | static void * | |
48 | fudge_opendir(const char *path) | |
49 | { | |
50 | struct SFTP_OPENDIR *r; | |
e9a17296 | 51 | |
3c0ef626 | 52 | r = xmalloc(sizeof(*r)); |
e9a17296 | 53 | |
54 | if (do_readdir(cur.conn, (char*)path, &r->dir)) | |
3c0ef626 | 55 | return(NULL); |
56 | ||
57 | r->offset = 0; | |
58 | ||
59 | return((void*)r); | |
60 | } | |
61 | ||
62 | static struct dirent * | |
63 | fudge_readdir(struct SFTP_OPENDIR *od) | |
64 | { | |
65 | /* Solaris needs sizeof(dirent) + path length (see below) */ | |
66 | static char buf[sizeof(struct dirent) + MAXPATHLEN]; | |
67 | struct dirent *ret = (struct dirent *)buf; | |
68 | #ifdef __GNU_LIBRARY__ | |
69 | static int inum = 1; | |
70 | #endif /* __GNU_LIBRARY__ */ | |
71 | ||
72 | if (od->dir[od->offset] == NULL) | |
73 | return(NULL); | |
74 | ||
75 | memset(buf, 0, sizeof(buf)); | |
76 | ||
77 | /* | |
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 | |
84 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, | |
85 | sizeof(ret->d_name)); | |
86 | #endif | |
87 | #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 | */ | |
93 | ret->d_ino = inum++; | |
94 | if (!inum) | |
95 | inum = 1; | |
96 | #endif /* __GNU_LIBRARY__ */ | |
97 | ||
98 | return(ret); | |
99 | } | |
100 | ||
101 | static void | |
102 | fudge_closedir(struct SFTP_OPENDIR *od) | |
103 | { | |
104 | free_sftp_dirents(od->dir); | |
105 | xfree(od); | |
106 | } | |
107 | ||
108 | static void | |
109 | attrib_to_stat(Attrib *a, struct stat *st) | |
110 | { | |
111 | memset(st, 0, sizeof(*st)); | |
e9a17296 | 112 | |
3c0ef626 | 113 | 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 | ||
127 | static int | |
128 | fudge_lstat(const char *path, struct stat *st) | |
129 | { | |
130 | Attrib *a; | |
e9a17296 | 131 | |
132 | if (!(a = do_lstat(cur.conn, (char*)path, 0))) | |
3c0ef626 | 133 | return(-1); |
e9a17296 | 134 | |
3c0ef626 | 135 | attrib_to_stat(a, st); |
e9a17296 | 136 | |
3c0ef626 | 137 | return(0); |
138 | } | |
139 | ||
140 | static int | |
141 | fudge_stat(const char *path, struct stat *st) | |
142 | { | |
143 | Attrib *a; | |
e9a17296 | 144 | |
145 | if (!(a = do_stat(cur.conn, (char*)path, 0))) | |
3c0ef626 | 146 | return(-1); |
e9a17296 | 147 | |
3c0ef626 | 148 | attrib_to_stat(a, st); |
e9a17296 | 149 | |
3c0ef626 | 150 | return(0); |
151 | } | |
152 | ||
153 | int | |
e9a17296 | 154 | remote_glob(struct sftp_conn *conn, const char *pattern, int flags, |
3c0ef626 | 155 | int (*errfunc)(const char *, int), glob_t *pglob) |
156 | { | |
157 | pglob->gl_opendir = fudge_opendir; | |
158 | pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; | |
159 | pglob->gl_closedir = (void (*)(void *))fudge_closedir; | |
160 | pglob->gl_lstat = fudge_lstat; | |
161 | pglob->gl_stat = fudge_stat; | |
e9a17296 | 162 | |
3c0ef626 | 163 | memset(&cur, 0, sizeof(cur)); |
e9a17296 | 164 | cur.conn = conn; |
3c0ef626 | 165 | |
e9a17296 | 166 | return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); |
3c0ef626 | 167 | } |