1 /* 2 * Copyright (c) 2001,2002 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" 26 RCSID("$OpenBSD: sftp-glob.c,v 1.10 2002/02/13 00:59:23 djm Exp $"); 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 { 44 struct sftp_conn *conn; 45 } cur; 46 47 static void * 48 fudge_opendir(const char *path) 49 { 50 struct SFTP_OPENDIR *r; 51 52 r = xmalloc(sizeof(*r)); 53 54 if (do_readdir(cur.conn, (char*)path, &r->dir)) 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)); 112 113 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; 131 132 if (!(a = do_lstat(cur.conn, (char*)path, 0))) 133 return(-1); 134 135 attrib_to_stat(a, st); 136 137 return(0); 138 } 139 140 static int 141 fudge_stat(const char *path, struct stat *st) 142 { 143 Attrib *a; 144 145 if (!(a = do_stat(cur.conn, (char*)path, 0))) 146 return(-1); 147 148 attrib_to_stat(a, st); 149 150 return(0); 151 } 152 153 int 154 remote_glob(struct sftp_conn *conn, const char *pattern, int flags, 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; 162 163 memset(&cur, 0, sizeof(cur)); 164 cur.conn = conn; 165 166 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); 167 } 168