1 /* 2 * Copyright (c) 2001 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 1.8 2001/07/14 15:10:17 stevesk Exp $"); 27 28 #include <glob.h> 29 30 #include "buffer.h" 31 #include "bufaux.h" 32 #include "xmalloc.h" 33 #include "log.h" 34 35 #include "sftp.h" 36 #include "sftp-common.h" 37 #include "sftp-client.h" 38 #include "sftp-glob.h" 39 40 struct SFTP_OPENDIR { 41 SFTP_DIRENT **dir; 42 int offset; 43 }; 44 45 static struct { 46 int fd_in; 47 int fd_out; 48 } cur; 49 50 static void * 51 fudge_opendir(const char *path) 52 { 53 struct SFTP_OPENDIR *r; 54 55 r = xmalloc(sizeof(*r)); 56 57 if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir)) 58 return(NULL); 59 60 r->offset = 0; 61 62 return((void*)r); 63 } 64 65 static struct dirent * 66 fudge_readdir(struct SFTP_OPENDIR *od) 67 { 68 static struct dirent ret; 69 70 if (od->dir[od->offset] == NULL) 71 return(NULL); 72 73 memset(&ret, 0, sizeof(ret)); 74 strlcpy(ret.d_name, od->dir[od->offset++]->filename, 75 sizeof(ret.d_name)); 76 77 return(&ret); 78 } 79 80 static void 81 fudge_closedir(struct SFTP_OPENDIR *od) 82 { 83 free_sftp_dirents(od->dir); 84 xfree(od); 85 } 86 87 static void 88 attrib_to_stat(Attrib *a, struct stat *st) 89 { 90 memset(st, 0, sizeof(*st)); 91 92 if (a->flags & SSH2_FILEXFER_ATTR_SIZE) 93 st->st_size = a->size; 94 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) { 95 st->st_uid = a->uid; 96 st->st_gid = a->gid; 97 } 98 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) 99 st->st_mode = a->perm; 100 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) { 101 st->st_atime = a->atime; 102 st->st_mtime = a->mtime; 103 } 104 } 105 106 static int 107 fudge_lstat(const char *path, struct stat *st) 108 { 109 Attrib *a; 110 111 if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0))) 112 return(-1); 113 114 attrib_to_stat(a, st); 115 116 return(0); 117 } 118 119 static int 120 fudge_stat(const char *path, struct stat *st) 121 { 122 Attrib *a; 123 124 if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0))) 125 return(-1); 126 127 attrib_to_stat(a, st); 128 129 return(0); 130 } 131 132 int 133 remote_glob(int fd_in, int fd_out, const char *pattern, int flags, 134 int (*errfunc)(const char *, int), glob_t *pglob) 135 { 136 pglob->gl_opendir = fudge_opendir; 137 pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir; 138 pglob->gl_closedir = (void (*)(void *))fudge_closedir; 139 pglob->gl_lstat = fudge_lstat; 140 pglob->gl_stat = fudge_stat; 141 142 memset(&cur, 0, sizeof(cur)); 143 cur.fd_in = fd_in; 144 cur.fd_out = fd_out; 145 146 return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, 147 pglob)); 148 } 149