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2e4fb373 | 1 | /* |
ab3932ab | 2 | * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> |
2e4fb373 | 3 | * |
ab3932ab | 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. | |
2e4fb373 | 7 | * |
ab3932ab | 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. | |
2e4fb373 | 15 | */ |
16 | ||
17 | #include "includes.h" | |
4095f623 | 18 | RCSID("$OpenBSD: sftp-glob.c,v 1.17 2006/02/20 17:19:54 stevesk Exp $"); |
19 | ||
20 | #include <sys/types.h> | |
21 | #ifdef HAVE_SYS_STAT_H | |
22 | # include <sys/stat.h> | |
23 | #endif | |
68e39d38 | 24 | |
25 | #include <dirent.h> | |
2e4fb373 | 26 | |
2e4fb373 | 27 | #include "buffer.h" |
28 | #include "bufaux.h" | |
2e4fb373 | 29 | #include "xmalloc.h" |
30 | #include "log.h" | |
2e4fb373 | 31 | |
32 | #include "sftp.h" | |
33 | #include "sftp-common.h" | |
34 | #include "sftp-client.h" | |
caf1e9f0 | 35 | |
36 | int remote_glob(struct sftp_conn *, const char *, int, | |
37 | int (*)(const char *, int), glob_t *); | |
2e4fb373 | 38 | |
39 | struct SFTP_OPENDIR { | |
40 | SFTP_DIRENT **dir; | |
41 | int offset; | |
42 | }; | |
43 | ||
44 | static struct { | |
22e6c827 | 45 | struct sftp_conn *conn; |
2e4fb373 | 46 | } cur; |
47 | ||
396c147e | 48 | static void * |
49 | fudge_opendir(const char *path) | |
2e4fb373 | 50 | { |
51 | struct SFTP_OPENDIR *r; | |
184eed6a | 52 | |
2e4fb373 | 53 | r = xmalloc(sizeof(*r)); |
184eed6a | 54 | |
da2499f5 | 55 | if (do_readdir(cur.conn, (char *)path, &r->dir)) { |
56 | xfree(r); | |
2e4fb373 | 57 | return(NULL); |
da2499f5 | 58 | } |
2e4fb373 | 59 | |
60 | r->offset = 0; | |
61 | ||
343288b8 | 62 | return((void *)r); |
2e4fb373 | 63 | } |
64 | ||
396c147e | 65 | static struct dirent * |
66 | fudge_readdir(struct SFTP_OPENDIR *od) | |
2e4fb373 | 67 | { |
edbe6722 | 68 | /* Solaris needs sizeof(dirent) + path length (see below) */ |
69 | static char buf[sizeof(struct dirent) + MAXPATHLEN]; | |
70 | struct dirent *ret = (struct dirent *)buf; | |
2e4fb373 | 71 | #ifdef __GNU_LIBRARY__ |
72 | static int inum = 1; | |
73 | #endif /* __GNU_LIBRARY__ */ | |
b6453d99 | 74 | |
2e4fb373 | 75 | if (od->dir[od->offset] == NULL) |
76 | return(NULL); | |
77 | ||
edbe6722 | 78 | memset(buf, 0, sizeof(buf)); |
2e4fb373 | 79 | |
edbe6722 | 80 | /* |
81 | * Solaris defines dirent->d_name as a one byte array and expects | |
82 | * you to hack around it. | |
83 | */ | |
84 | #ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME | |
85 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN); | |
86 | #else | |
cd332296 | 87 | strlcpy(ret->d_name, od->dir[od->offset++]->filename, |
edbe6722 | 88 | sizeof(ret->d_name)); |
89 | #endif | |
2e4fb373 | 90 | #ifdef __GNU_LIBRARY__ |
91 | /* | |
92 | * Idiot glibc uses extensions to struct dirent for readdir with | |
aff51935 | 93 | * ALTDIRFUNCs. Not that this is documented anywhere but the |
2e4fb373 | 94 | * source... Fake an inode number to appease it. |
95 | */ | |
edbe6722 | 96 | ret->d_ino = inum++; |
2e4fb373 | 97 | if (!inum) |
98 | inum = 1; | |
99 | #endif /* __GNU_LIBRARY__ */ | |
100 | ||
edbe6722 | 101 | return(ret); |
2e4fb373 | 102 | } |
103 | ||
396c147e | 104 | static void |
105 | fudge_closedir(struct SFTP_OPENDIR *od) | |
2e4fb373 | 106 | { |
107 | free_sftp_dirents(od->dir); | |
894c5fa6 | 108 | xfree(od); |
2e4fb373 | 109 | } |
110 | ||
396c147e | 111 | static int |
112 | fudge_lstat(const char *path, struct stat *st) | |
2e4fb373 | 113 | { |
114 | Attrib *a; | |
184eed6a | 115 | |
343288b8 | 116 | if (!(a = do_lstat(cur.conn, (char *)path, 0))) |
2e4fb373 | 117 | return(-1); |
184eed6a | 118 | |
2e4fb373 | 119 | attrib_to_stat(a, st); |
184eed6a | 120 | |
2e4fb373 | 121 | return(0); |
122 | } | |
123 | ||
396c147e | 124 | static int |
125 | fudge_stat(const char *path, struct stat *st) | |
2e4fb373 | 126 | { |
127 | Attrib *a; | |
184eed6a | 128 | |
343288b8 | 129 | if (!(a = do_stat(cur.conn, (char *)path, 0))) |
2e4fb373 | 130 | return(-1); |
184eed6a | 131 | |
2e4fb373 | 132 | attrib_to_stat(a, st); |
184eed6a | 133 | |
2e4fb373 | 134 | return(0); |
135 | } | |
136 | ||
137 | int | |
22e6c827 | 138 | remote_glob(struct sftp_conn *conn, const char *pattern, int flags, |
ec1f12d3 | 139 | int (*errfunc)(const char *, int), glob_t *pglob) |
2e4fb373 | 140 | { |
29009047 | 141 | pglob->gl_opendir = fudge_opendir; |
142 | pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; | |
143 | pglob->gl_closedir = (void (*)(void *))fudge_closedir; | |
2e4fb373 | 144 | pglob->gl_lstat = fudge_lstat; |
145 | pglob->gl_stat = fudge_stat; | |
184eed6a | 146 | |
2e4fb373 | 147 | memset(&cur, 0, sizeof(cur)); |
22e6c827 | 148 | cur.conn = conn; |
2e4fb373 | 149 | |
22e6c827 | 150 | return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); |
2e4fb373 | 151 | } |