Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 180 insertions, 0 deletions

diff --git a/sftp-glob.c b/sftp-glob.c
new file mode 100644
index 0000000..afeb15f
--- /dev/null
+++ b/sftp-glob.c
@@ -0,0 +1,180 @@
+/* $OpenBSD: sftp-glob.c,v 1.31 2022/10/24 21:51:55 djm Exp $ */
+/*
+ * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "includes.h"
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "xmalloc.h"
+#include "sftp.h"
+#include "sftp-common.h"
+#include "sftp-client.h"
+
+int remote_glob(struct sftp_conn *, const char *, int,
+    int (*)(const char *, int), glob_t *);
+
+struct SFTP_OPENDIR {
+	SFTP_DIRENT **dir;
+	int offset;
+};
+
+static struct {
+	struct sftp_conn *conn;
+} cur;
+
+static void *
+fudge_opendir(const char *path)
+{
+	struct SFTP_OPENDIR *r;
+
+	r = xcalloc(1, sizeof(*r));
+
+	if (do_readdir(cur.conn, path, &r->dir)) {
+		free(r);
+		return(NULL);
+	}
+
+	r->offset = 0;
+
+	return((void *)r);
+}
+
+static struct dirent *
+fudge_readdir(struct SFTP_OPENDIR *od)
+{
+	/* Solaris needs sizeof(dirent) + path length (see below) */
+	static char buf[sizeof(struct dirent) + MAXPATHLEN];
+	struct dirent *ret = (struct dirent *)buf;
+#ifdef __GNU_LIBRARY__
+	static int inum = 1;
+#endif /* __GNU_LIBRARY__ */
+
+	if (od->dir[od->offset] == NULL)
+		return(NULL);
+
+	memset(buf, 0, sizeof(buf));
+
+	/*
+	 * Solaris defines dirent->d_name as a one byte array and expects
+	 * you to hack around it.
+	 */
+#ifdef BROKEN_ONE_BYTE_DIRENT_D_NAME
+	strlcpy(ret->d_name, od->dir[od->offset++]->filename, MAXPATHLEN);
+#else
+	strlcpy(ret->d_name, od->dir[od->offset++]->filename,
+	    sizeof(ret->d_name));
+#endif
+#ifdef __GNU_LIBRARY__
+	/*
+	 * Idiot glibc uses extensions to struct dirent for readdir with
+	 * ALTDIRFUNCs. Not that this is documented anywhere but the
+	 * source... Fake an inode number to appease it.
+	 */
+	ret->d_ino = inum++;
+	if (!inum)
+		inum = 1;
+#endif /* __GNU_LIBRARY__ */
+
+	return(ret);
+}
+
+static void
+fudge_closedir(struct SFTP_OPENDIR *od)
+{
+	free_sftp_dirents(od->dir);
+	free(od);
+}
+
+static int
+fudge_lstat(const char *path, struct stat *st)
+{
+	Attrib *a;
+
+	if (!(a = do_lstat(cur.conn, path, 1)))
+		return(-1);
+
+	attrib_to_stat(a, st);
+
+	return(0);
+}
+
+static int
+fudge_stat(const char *path, struct stat *st)
+{
+	Attrib *a;
+
+	if (!(a = do_stat(cur.conn, path, 1)))
+		return(-1);
+
+	attrib_to_stat(a, st);
+
+	return(0);
+}
+
+int
+remote_glob(struct sftp_conn *conn, const char *pattern, int flags,
+    int (*errfunc)(const char *, int), glob_t *pglob)
+{
+	int r;
+	size_t l;
+	char *s;
+	struct stat sb;
+
+	pglob->gl_opendir = fudge_opendir;
+	pglob->gl_readdir = (struct dirent *(*)(void *))fudge_readdir;
+	pglob->gl_closedir = (void (*)(void *))fudge_closedir;
+	pglob->gl_lstat = fudge_lstat;
+	pglob->gl_stat = fudge_stat;
+
+	memset(&cur, 0, sizeof(cur));
+	cur.conn = conn;
+
+	if ((r = glob(pattern, flags | GLOB_ALTDIRFUNC, errfunc, pglob)) != 0)
+		return r;
+	/*
+	 * When both GLOB_NOCHECK and GLOB_MARK are active, a single gl_pathv
+	 * entry has been returned and that entry has not already been marked,
+	 * then check whether it needs a '/' appended as a directory mark.
+	 *
+	 * This ensures that a NOCHECK result is annotated as a directory.
+	 * The glob(3) spec doesn't promise to mark NOCHECK entries, but doing
+	 * it simplifies our callers (sftp/scp) considerably.
+	 *
+	 * XXX doesn't try to handle gl_offs.
+	 */
+	if ((flags & (GLOB_NOCHECK|GLOB_MARK)) == (GLOB_NOCHECK|GLOB_MARK) &&
+	    pglob->gl_matchc == 0 && pglob->gl_offs == 0 &&
+	    pglob->gl_pathc == 1 && (s = pglob->gl_pathv[0]) != NULL &&
+	    (l = strlen(s)) > 0 && s[l-1] != '/') {
+		if (fudge_stat(s, &sb) == 0 && S_ISDIR(sb.st_mode)) {
+			/* NOCHECK on a directory; annotate */
+			if ((s = realloc(s, l + 2)) != NULL) {
+				memcpy(s + l, "/", 2);
+				pglob->gl_pathv[0] = s;
+			}
+		}
+	}
+	return 0;
+}