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 1.5 2001/04/15 08:43:46 markus Exp $"); 27 28 #include <glob.h> 29 30 #include "ssh.h" 31 #include "buffer.h" 32 #include "bufaux.h" 33 #include "getput.h" 34 #include "xmalloc.h" 35 #include "log.h" 36 #include "atomicio.h" 37 #include "pathnames.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 int fd_in; 51 int fd_out; 52 } cur; 53 54 void *fudge_opendir(const char *path) 55 { 56 struct SFTP_OPENDIR *r; 57 58 r = xmalloc(sizeof(*r)); 59 60 if (do_readdir(cur.fd_in, cur.fd_out, (char*)path, &r->dir)) 61 return(NULL); 62 63 r->offset = 0; 64 65 return((void*)r); 66 } 67 68 struct dirent *fudge_readdir(struct SFTP_OPENDIR *od) 69 { 70 static struct dirent ret; 71 72 if (od->dir[od->offset] == NULL) 73 return(NULL); 74 75 memset(&ret, 0, sizeof(ret)); 76 strlcpy(ret.d_name, od->dir[od->offset++]->filename, 77 sizeof(ret.d_name)); 78 79 return(&ret); 80 } 81 82 void fudge_closedir(struct SFTP_OPENDIR *od) 83 { 84 free_sftp_dirents(od->dir); 85 xfree(od); 86 } 87 88 void 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 int fudge_lstat(const char *path, struct stat *st) 107 { 108 Attrib *a; 109 110 if (!(a = do_lstat(cur.fd_in, cur.fd_out, (char*)path, 0))) 111 return(-1); 112 113 attrib_to_stat(a, st); 114 115 return(0); 116 } 117 118 int fudge_stat(const char *path, struct stat *st) 119 { 120 Attrib *a; 121 122 if (!(a = do_stat(cur.fd_in, cur.fd_out, (char*)path, 0))) 123 return(-1); 124 125 attrib_to_stat(a, st); 126 127 return(0); 128 } 129 130 int 131 remote_glob(int fd_in, int fd_out, const char *pattern, int flags, 132 int (*errfunc)(const char *, int), glob_t *pglob) 133 { 134 pglob->gl_opendir = (void*)fudge_opendir; 135 pglob->gl_readdir = (void*)fudge_readdir; 136 pglob->gl_closedir = (void*)fudge_closedir; 137 pglob->gl_lstat = fudge_lstat; 138 pglob->gl_stat = fudge_stat; 139 140 memset(&cur, 0, sizeof(cur)); 141 cur.fd_in = fd_in; 142 cur.fd_out = fd_out; 143 144 return(glob(pattern, flags | GLOB_ALTDIRFUNC, (void*)errfunc, 145 pglob)); 146 } 147