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upstream: similar to scp, fix implicit destination path selection

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when source path ends with ".."; ok deraadt@

OpenBSD-Commit-ID: 9b8d2a662d96b241293a88b3ea21f2419bfc4812
This commit is contained in:
djm@openbsd.org
2025-10-13 00:54:29 +00:00
committed by Damien Miller
parent 6432b9f6a2
commit 4f14ca8633
1 changed files with 8 additions and 1 deletions
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9
sftp.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: sftp.c,v 1.246 2025/10/08 21:48:40 djm Exp $ */
/* $OpenBSD: sftp.c,v 1.247 2025/10/13 00:54:29 djm Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@@ -679,6 +679,10 @@ process_get(struct sftp_conn *conn, const char *src, const char *dst,
goto out;
}
/* Special handling for dest of '..' */
if (strcmp(filename, "..") == 0)
filename = "."; /* Download to dest, not dest/.. */
if (g.gl_matchc == 1 && dst) {
if (local_is_dir(dst)) {
abs_dst = sftp_path_append(dst, filename);
@@ -773,6 +777,9 @@ process_put(struct sftp_conn *conn, const char *src, const char *dst,
err = -1;
goto out;
}
/* Special handling for source of '..' */
if (strcmp(filename, "..") == 0)
filename = "."; /* Upload to dest, not dest/.. */
free(abs_dst);
abs_dst = NULL;