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31652869 | 1 | /* $OpenBSD: sftp-glob.c,v 1.22 2006/08/03 03:34:42 deraadt Exp $ */ |
2e4fb373 | 2 | /* |
ab3932ab | 3 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
2e4fb373 | 4 | * |
ab3932ab | 5 | * Permission to use, copy, modify, and distribute this software for any |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
2e4fb373 | 8 | * |
ab3932ab | 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
2e4fb373 | 16 | */ |
17 | ||
18 | #include "includes.h" | |
4095f623 | 19 | |
20 | #include <sys/types.h> | |
21 | #ifdef HAVE_SYS_STAT_H | |
22 | # include <sys/stat.h> | |
23 | #endif | |
00146caa | 24 | |
68e39d38 | 25 | #include <dirent.h> |
00146caa | 26 | #include <string.h> |
2e4fb373 | 27 | |
2e4fb373 | 28 | #include "xmalloc.h" |
2e4fb373 | 29 | #include "sftp.h" |
31652869 | 30 | #include "buffer.h" |
2e4fb373 | 31 | #include "sftp-common.h" |
32 | #include "sftp-client.h" | |
caf1e9f0 | 33 | |
34 | int remote_glob(struct sftp_conn *, const char *, int, | |
35 | int (*)(const char *, int), glob_t *); | |
2e4fb373 | 36 | |
37 | struct SFTP_OPENDIR { | |
38 | SFTP_DIRENT **dir; | |
39 | int offset; | |
40 | }; | |
41 | ||
42 | static struct { | |
22e6c827 | 43 | struct sftp_conn *conn; |
2e4fb373 | 44 | } cur; |
45 | ||
396c147e | 46 | static void * |
47 | fudge_opendir(const char *path) | |
2e4fb373 | 48 | { |
49 | struct SFTP_OPENDIR *r; | |
184eed6a | 50 | |
2e4fb373 | 51 | r = xmalloc(sizeof(*r)); |
184eed6a | 52 | |
da2499f5 | 53 | if (do_readdir(cur.conn, (char *)path, &r->dir)) { |
54 | xfree(r); | |
2e4fb373 | 55 | return(NULL); |
da2499f5 | 56 | } |
2e4fb373 | 57 | |
58 | r->offset = 0; | |
59 | ||
343288b8 | 60 | return((void *)r); |
2e4fb373 | 61 | } |
62 | ||
396c147e | 63 | static struct dirent * |
64 | fudge_readdir(struct SFTP_OPENDIR *od) | |
2e4fb373 | 65 | { |
edbe6722 | 66 | /* Solaris needs sizeof(dirent) + path length (see below) */ |
67 | static char buf[sizeof(struct dirent) + MAXPATHLEN]; | |
68 | struct dirent *ret = (struct dirent *)buf; | |
2e4fb373 | 69 | #ifdef __GNU_LIBRARY__ |
70 | static int inum = 1; | |
71 | #endif /* __GNU_LIBRARY__ */ | |
b6453d99 | 72 | |
2e4fb373 | 73 | if (od->dir[od->offset] == NULL) |
74 | return(NULL); | |
75 | ||
edbe6722 | 76 | memset(buf, 0, sizeof(buf)); |
2e4fb373 | 77 | |
edbe6722 | 78 | /* |
79 | * Solaris defines dirent->d_name as a one byte array and expects | |
80 | * you to hack around it. | |
81 | */ | |
82 | #ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME | |
83 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN); | |
84 | #else | |
cd332296 | 85 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, |
edbe6722 | 86 | sizeof(ret->d_name)); |
87 | #endif | |
2e4fb373 | 88 | #ifdef __GNU_LIBRARY__ |
89 | /* | |
90 | * Idiot glibc uses extensions to struct dirent for readdir with | |
aff51935 | 91 | * ALTDIRFUNCs. Not that this is documented anywhere but the |
2e4fb373 | 92 | * source... Fake an inode number to appease it. |
93 | */ | |
edbe6722 | 94 | ret->d_ino = inum++; |
2e4fb373 | 95 | if (!inum) |
96 | inum = 1; | |
97 | #endif /* __GNU_LIBRARY__ */ | |
98 | ||
edbe6722 | 99 | return(ret); |
2e4fb373 | 100 | } |
101 | ||
396c147e | 102 | static void |
103 | fudge_closedir(struct SFTP_OPENDIR *od) | |
2e4fb373 | 104 | { |
105 | free_sftp_dirents(od->dir); | |
894c5fa6 | 106 | xfree(od); |
2e4fb373 | 107 | } |
108 | ||
396c147e | 109 | static int |
110 | fudge_lstat(const char *path, struct stat *st) | |
2e4fb373 | 111 | { |
112 | Attrib *a; | |
184eed6a | 113 | |
343288b8 | 114 | if (!(a = do_lstat(cur.conn, (char *)path, 0))) |
2e4fb373 | 115 | return(-1); |
184eed6a | 116 | |
2e4fb373 | 117 | attrib_to_stat(a, st); |
184eed6a | 118 | |
2e4fb373 | 119 | return(0); |
120 | } | |
121 | ||
396c147e | 122 | static int |
123 | fudge_stat(const char *path, struct stat *st) | |
2e4fb373 | 124 | { |
125 | Attrib *a; | |
184eed6a | 126 | |
343288b8 | 127 | if (!(a = do_stat(cur.conn, (char *)path, 0))) |
2e4fb373 | 128 | return(-1); |
184eed6a | 129 | |
2e4fb373 | 130 | attrib_to_stat(a, st); |
184eed6a | 131 | |
2e4fb373 | 132 | return(0); |
133 | } | |
134 | ||
135 | int | |
22e6c827 | 136 | remote_glob(struct sftp_conn *conn, const char *pattern, int flags, |
ec1f12d3 | 137 | int (*errfunc)(const char *, int), glob_t *pglob) |
2e4fb373 | 138 | { |
29009047 | 139 | pglob->gl_opendir = fudge_opendir; |
140 | pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; | |
141 | pglob->gl_closedir = (void (*)(void *))fudge_closedir; | |
2e4fb373 | 142 | pglob->gl_lstat = fudge_lstat; |
143 | pglob->gl_stat = fudge_stat; | |
184eed6a | 144 | |
2e4fb373 | 145 | memset(&cur, 0, sizeof(cur)); |
22e6c827 | 146 | cur.conn = conn; |
2e4fb373 | 147 | |
22e6c827 | 148 | return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); |
2e4fb373 | 149 | } |