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3c0ef626 | 1 | /* |
416fd2a8 | 2 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
3c0ef626 | 3 | * |
416fd2a8 | 4 | * Permission to use, copy, modify, and distribute this software for any |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
3c0ef626 | 7 | * |
416fd2a8 | 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
3c0ef626 | 15 | */ |
16 | ||
17 | #include "includes.h" | |
416fd2a8 | 18 | RCSID("$OpenBSD: sftp-glob.c,v 1.15 2004/02/17 07:17:29 djm Exp $"); |
3c0ef626 | 19 | |
20 | #include "buffer.h" | |
21 | #include "bufaux.h" | |
22 | #include "xmalloc.h" | |
23 | #include "log.h" | |
24 | ||
25 | #include "sftp.h" | |
26 | #include "sftp-common.h" | |
27 | #include "sftp-client.h" | |
416fd2a8 | 28 | |
29 | int remote_glob(struct sftp_conn *, const char *, int, | |
30 | int (*)(const char *, int), glob_t *); | |
3c0ef626 | 31 | |
32 | struct SFTP_OPENDIR { | |
33 | SFTP_DIRENT **dir; | |
34 | int offset; | |
35 | }; | |
36 | ||
37 | static struct { | |
e9a17296 | 38 | struct sftp_conn *conn; |
3c0ef626 | 39 | } cur; |
40 | ||
41 | static void * | |
42 | fudge_opendir(const char *path) | |
43 | { | |
44 | struct SFTP_OPENDIR *r; | |
e9a17296 | 45 | |
3c0ef626 | 46 | r = xmalloc(sizeof(*r)); |
e9a17296 | 47 | |
e54b3d7c | 48 | if (do_readdir(cur.conn, (char *)path, &r->dir)) { |
49 | xfree(r); | |
3c0ef626 | 50 | return(NULL); |
e54b3d7c | 51 | } |
3c0ef626 | 52 | |
53 | r->offset = 0; | |
54 | ||
e54b3d7c | 55 | return((void *)r); |
3c0ef626 | 56 | } |
57 | ||
58 | static struct dirent * | |
59 | fudge_readdir(struct SFTP_OPENDIR *od) | |
60 | { | |
61 | /* Solaris needs sizeof(dirent) + path length (see below) */ | |
62 | static char buf[sizeof(struct dirent) + MAXPATHLEN]; | |
63 | struct dirent *ret = (struct dirent *)buf; | |
64 | #ifdef __GNU_LIBRARY__ | |
65 | static int inum = 1; | |
66 | #endif /* __GNU_LIBRARY__ */ | |
416fd2a8 | 67 | |
3c0ef626 | 68 | if (od->dir[od->offset] == NULL) |
69 | return(NULL); | |
70 | ||
71 | memset(buf, 0, sizeof(buf)); | |
72 | ||
73 | /* | |
74 | * Solaris defines dirent->d_name as a one byte array and expects | |
75 | * you to hack around it. | |
76 | */ | |
77 | #ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME | |
78 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN); | |
79 | #else | |
80 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, | |
81 | sizeof(ret->d_name)); | |
82 | #endif | |
83 | #ifdef __GNU_LIBRARY__ | |
84 | /* | |
85 | * Idiot glibc uses extensions to struct dirent for readdir with | |
416fd2a8 | 86 | * ALTDIRFUNCs. Not that this is documented anywhere but the |
3c0ef626 | 87 | * source... Fake an inode number to appease it. |
88 | */ | |
89 | ret->d_ino = inum++; | |
90 | if (!inum) | |
91 | inum = 1; | |
92 | #endif /* __GNU_LIBRARY__ */ | |
93 | ||
94 | return(ret); | |
95 | } | |
96 | ||
97 | static void | |
98 | fudge_closedir(struct SFTP_OPENDIR *od) | |
99 | { | |
100 | free_sftp_dirents(od->dir); | |
101 | xfree(od); | |
102 | } | |
103 | ||
3c0ef626 | 104 | static int |
105 | fudge_lstat(const char *path, struct stat *st) | |
106 | { | |
107 | Attrib *a; | |
e9a17296 | 108 | |
e54b3d7c | 109 | if (!(a = do_lstat(cur.conn, (char *)path, 0))) |
3c0ef626 | 110 | return(-1); |
e9a17296 | 111 | |
3c0ef626 | 112 | attrib_to_stat(a, st); |
e9a17296 | 113 | |
3c0ef626 | 114 | return(0); |
115 | } | |
116 | ||
117 | static int | |
118 | fudge_stat(const char *path, struct stat *st) | |
119 | { | |
120 | Attrib *a; | |
e9a17296 | 121 | |
e54b3d7c | 122 | if (!(a = do_stat(cur.conn, (char *)path, 0))) |
3c0ef626 | 123 | return(-1); |
e9a17296 | 124 | |
3c0ef626 | 125 | attrib_to_stat(a, st); |
e9a17296 | 126 | |
3c0ef626 | 127 | return(0); |
128 | } | |
129 | ||
130 | int | |
e9a17296 | 131 | remote_glob(struct sftp_conn *conn, const char *pattern, int flags, |
3c0ef626 | 132 | int (*errfunc)(const char *, int), glob_t *pglob) |
133 | { | |
134 | pglob->gl_opendir = fudge_opendir; | |
135 | pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; | |
136 | pglob->gl_closedir = (void (*)(void *))fudge_closedir; | |
137 | pglob->gl_lstat = fudge_lstat; | |
138 | pglob->gl_stat = fudge_stat; | |
e9a17296 | 139 | |
3c0ef626 | 140 | memset(&cur, 0, sizeof(cur)); |
e9a17296 | 141 | cur.conn = conn; |
3c0ef626 | 142 | |
e9a17296 | 143 | return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); |
3c0ef626 | 144 | } |