1 /* 2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 /* 6 * Copyright (c) 2001,2002 Damien Miller. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "includes.h" 30 RCSID("$OpenBSD: sftp-glob.c,v 1.13 2002/09/11 22:41:50 djm Exp $"); 31 32 #pragma ident "%Z%%M% %I% %E% SMI" 33 34 #include "buffer.h" 35 #include "bufaux.h" 36 #include "xmalloc.h" 37 #include "log.h" 38 39 #include "sftp.h" 40 #include "sftp-common.h" 41 #include "sftp-client.h" 42 #include "sftp-glob.h" 43 44 struct SFTP_OPENDIR { 45 SFTP_DIRENT **dir; 46 int offset; 47 }; 48 49 static struct { 50 struct sftp_conn *conn; 51 } cur; 52 53 static void * 54 fudge_opendir(const char *path) 55 { 56 struct SFTP_OPENDIR *r; 57 58 r = xmalloc(sizeof(*r)); 59 60 if (do_readdir(cur.conn, (char *)path, &r->dir)) { 61 xfree(r); 62 return(NULL); 63 } 64 65 r->offset = 0; 66 67 return((void *)r); 68 } 69 70 static struct dirent * 71 fudge_readdir(struct SFTP_OPENDIR *od) 72 { 73 /* Solaris needs sizeof(dirent) + path length (see below) */ 74 static union { 75 char buf_chars[sizeof (struct dirent) + MAXPATHLEN]; 76 struct dirent buf_dirent; 77 } buf; 78 struct dirent *ret = &buf.buf_dirent; 79 #ifdef __GNU_LIBRARY__ 80 static int inum = 1; 81 #endif /* __GNU_LIBRARY__ */ 82 83 if (od->dir[od->offset] == NULL) 84 return(NULL); 85 86 memset(buf.buf_chars, 0, sizeof (buf.buf_chars)); 87 88 /* 89 * Solaris defines dirent->d_name as a one byte array and expects 90 * you to hack around it. 91 */ 92 #ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME 93 strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN); 94 #else 95 strlcpy(ret->d_name, od->dir[od->offset++]->filename, 96 sizeof(ret->d_name)); 97 #endif 98 #ifdef __GNU_LIBRARY__ 99 /* 100 * Idiot glibc uses extensions to struct dirent for readdir with 101 * ALTDIRFUNCs. Not that this is documented anywhere but the 102 * source... Fake an inode number to appease it. 103 */ 104 ret->d_ino = inum++; 105 if (!inum) 106 inum = 1; 107 #endif /* __GNU_LIBRARY__ */ 108 109 return(ret); 110 } 111 112 static void 113 fudge_closedir(struct SFTP_OPENDIR *od) 114 { 115 free_sftp_dirents(od->dir); 116 xfree(od); 117 } 118 119 static int 120 fudge_lstat(const char *path, struct stat *st) 121 { 122 Attrib *a; 123 124 if (!(a = do_lstat(cur.conn, (char *)path, 0))) 125 return(-1); 126 127 attrib_to_stat(a, st); 128 129 return(0); 130 } 131 132 static int 133 fudge_stat(const char *path, struct stat *st) 134 { 135 Attrib *a; 136 137 if (!(a = do_stat(cur.conn, (char *)path, 0))) 138 return(-1); 139 140 attrib_to_stat(a, st); 141 142 return(0); 143 } 144 145 int 146 remote_glob(struct sftp_conn *conn, const char *pattern, int flags, 147 int (*errfunc)(const char *, int), glob_t *pglob) 148 { 149 pglob->gl_opendir = fudge_opendir; 150 pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; 151 pglob->gl_closedir = (void (*)(void *))fudge_closedir; 152 pglob->gl_lstat = fudge_lstat; 153 pglob->gl_stat = fudge_stat; 154 155 memset(&cur, 0, sizeof(cur)); 156 cur.conn = conn; 157 158 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)); 159 } 160