151 lines
3.4 KiB
C
151 lines
3.4 KiB
C
/* $OpenBSD: sftp-glob.c,v 1.29 2019/11/13 04:47:52 deraadt Exp $ */
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/*
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* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "includes.h"
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#include <sys/types.h>
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include "xmalloc.h"
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#include "sftp.h"
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#include "sftp-common.h"
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#include "sftp-client.h"
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int remote_glob(struct sftp_conn *, const char *, int,
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int (*)(const char *, int), glob_t *);
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struct SFTP_OPENDIR {
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SFTP_DIRENT **dir;
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int offset;
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};
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static struct {
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struct sftp_conn *conn;
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} cur;
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static void *
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fudge_opendir(const char *path)
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{
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struct SFTP_OPENDIR *r;
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r = xcalloc(1, sizeof(*r));
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if (do_readdir(cur.conn, (char *)path, &r->dir)) {
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free(r);
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return(NULL);
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}
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r->offset = 0;
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return((void *)r);
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}
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static struct dirent *
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fudge_readdir(struct SFTP_OPENDIR *od)
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{
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/* Solaris needs sizeof(dirent) + path length (see below) */
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static char buf[sizeof(struct dirent) + MAXPATHLEN];
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struct dirent *ret = (struct dirent *)buf;
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#ifdef __GNU_LIBRARY__
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static int inum = 1;
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#endif /* __GNU_LIBRARY__ */
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if (od->dir[od->offset] == NULL)
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return(NULL);
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memset(buf, 0, sizeof(buf));
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/*
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* Solaris defines dirent->d_name as a one byte array and expects
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* you to hack around it.
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*/
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#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
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strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
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#else
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strlcpy(ret->d_name, od->dir[od->offset++]->filename,
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sizeof(ret->d_name));
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#endif
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#ifdef __GNU_LIBRARY__
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/*
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* Idiot glibc uses extensions to struct dirent for readdir with
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* ALTDIRFUNCs. Not that this is documented anywhere but the
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* source... Fake an inode number to appease it.
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*/
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ret->d_ino = inum++;
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if (!inum)
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inum = 1;
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#endif /* __GNU_LIBRARY__ */
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return(ret);
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}
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static void
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fudge_closedir(struct SFTP_OPENDIR *od)
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{
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free_sftp_dirents(od->dir);
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free(od);
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}
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static int
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fudge_lstat(const char *path, struct stat *st)
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{
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Attrib *a;
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if (!(a = do_lstat(cur.conn, (char *)path, 1)))
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return(-1);
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attrib_to_stat(a, st);
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return(0);
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}
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static int
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fudge_stat(const char *path, struct stat *st)
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{
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Attrib *a;
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if (!(a = do_stat(cur.conn, (char *)path, 1)))
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return(-1);
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attrib_to_stat(a, st);
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return(0);
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}
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int
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remote_glob(struct sftp_conn *conn, const char *pattern, int flags,
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int (*errfunc)(const char *, int), glob_t *pglob)
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{
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pglob->gl_opendir = fudge_opendir;
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pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
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pglob->gl_closedir = (void (*)(void *))fudge_closedir;
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pglob->gl_lstat = fudge_lstat;
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pglob->gl_stat = fudge_stat;
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memset(&cur, 0, sizeof(cur));
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cur.conn = conn;
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return(glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob));
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}
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