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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
	3	*
	4	* Permission to use, copy, modify, and distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#include "includes.h"
	18
	19	#include <sys/types.h>
	20	#ifdef HAVE_SYS_STAT_H
	21	# include <sys/stat.h>
	22	#endif
	23
	24	#include <dirent.h>
	25
	26	#include "buffer.h"
	27	#include "bufaux.h"
	28	#include "xmalloc.h"
	29	#include "log.h"
	30
	31	#include "sftp.h"
	32	#include "sftp-common.h"
	33	#include "sftp-client.h"
	34
	35	int remote_glob(struct sftp_conn , const char , int,
	36	int ()(const char , int), glob_t *);
	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	xfree(r);
	56	return(NULL);
	57	}
	58
	59	r->offset = 0;
	60
	61	return((void *)r);
	62	}
	63
	64	static struct dirent *
	65	fudge_readdir(struct SFTP_OPENDIR *od)
	66	{
	67	/* Solaris needs sizeof(dirent) + path length (see below) */
	68	static char buf[sizeof(struct dirent) + MAXPATHLEN];
	69	struct dirent ret = (struct dirent )buf;
	70	#ifdef __GNU_LIBRARY__
	71	static int inum = 1;
	72	#endif /* __GNU_LIBRARY__ */
	73
	74	if (od->dir[od->offset] == NULL)
	75	return(NULL);
	76
	77	memset(buf, 0, sizeof(buf));
	78
	79	/*
	80	* Solaris defines dirent->d_name as a one byte array and expects
	81	* you to hack around it.
	82	*/
	83	#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
	84	strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
	85	#else
	86	strlcpy(ret->d_name, od->dir[od->offset++]->filename,
	87	sizeof(ret->d_name));
	88	#endif
	89	#ifdef __GNU_LIBRARY__
	90	/*
	91	* Idiot glibc uses extensions to struct dirent for readdir with
	92	* ALTDIRFUNCs. Not that this is documented anywhere but the
	93	* source... Fake an inode number to appease it.
	94	*/
	95	ret->d_ino = inum++;
	96	if (!inum)
	97	inum = 1;
	98	#endif /* __GNU_LIBRARY__ */
	99
	100	return(ret);
	101	}
	102
	103	static void
	104	fudge_closedir(struct SFTP_OPENDIR *od)
	105	{
	106	free_sftp_dirents(od->dir);
	107	xfree(od);
	108	}
	109
	110	static int
	111	fudge_lstat(const char path, struct stat st)
	112	{
	113	Attrib *a;
	114
	115	if (!(a = do_lstat(cur.conn, (char *)path, 0)))
	116	return(-1);
	117
	118	attrib_to_stat(a, st);
	119
	120	return(0);
	121	}
	122
	123	static int
	124	fudge_stat(const char path, struct stat st)
	125	{
	126	Attrib *a;
	127
	128	if (!(a = do_stat(cur.conn, (char *)path, 0)))
	129	return(-1);
	130
	131	attrib_to_stat(a, st);
	132
	133	return(0);
	134	}
	135
	136	int
	137	remote_glob(struct sftp_conn conn, const char pattern, int flags,
	138	int (errfunc)(const char , int), glob_t *pglob)
	139	{
	140	pglob->gl_opendir = fudge_opendir;
	141	pglob->gl_readdir = (struct dirent ()(void *))fudge_readdir;
	142	pglob->gl_closedir = (void ()(void ))fudge_closedir;
	143	pglob->gl_lstat = fudge_lstat;
	144	pglob->gl_stat = fudge_stat;
	145
	146	memset(&cur, 0, sizeof(cur));
	147	cur.conn = conn;
	148
	149	return(glob(pattern, flags \| GLOB_ALTDIRFUNC, errfunc, pglob));
	150	}