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authordjm@openbsd.org <djm@openbsd.org>2022-01-08 08:36:11 +0100
committerDamien Miller <djm@mindrot.org>2022-01-08 08:38:50 +0100
commit63670d4e9030bcee490d5a9cce561373ac5b3b23 (patch)
tree5dd7a41963c0e377678b1e61dedd3a9a54f385bd
parentupstream: more idiomatic error messages; spotted by jsg & deraadt (diff)
downloadopenssh-63670d4e9030bcee490d5a9cce561373ac5b3b23.tar.xz
openssh-63670d4e9030bcee490d5a9cce561373ac5b3b23.zip
upstream: fix some corner-case bugs in scp sftp-mode handling of
~-prefixed paths; spotted by jsg; feedback jsg & deraadt, ok jsg & markus OpenBSD-Commit-ID: d1697dbaaa9f0f5649d69be897eab25c7d37c222
-rw-r--r--scp.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/scp.c b/scp.c
index 7145d1a88..9ddaca183 100644
--- a/scp.c
+++ b/scp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: scp.c,v 1.241 2021/10/24 21:24:17 deraadt Exp $ */
+/* $OpenBSD: scp.c,v 1.242 2022/01/08 07:36:11 djm Exp $ */
/*
* scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd).
@@ -1250,13 +1250,18 @@ tolocal(int argc, char **argv, enum scp_mode_e mode, char *sftp_direct)
static char *
prepare_remote_path(struct sftp_conn *conn, const char *path)
{
+ size_t nslash;
+
/* Handle ~ prefixed paths */
- if (*path != '~')
- return xstrdup(path);
if (*path == '\0' || strcmp(path, "~") == 0)
return xstrdup(".");
- if (strncmp(path, "~/", 2) == 0)
- return xstrdup(path + 2);
+ if (*path != '~')
+ return xstrdup(path);
+ if (strncmp(path, "~/", 2) == 0) {
+ if ((nslash = strspn(path + 2, "/")) == strlen(path + 2))
+ return xstrdup(".");
+ return xstrdup(path + 2 + nslash);
+ }
if (can_expand_path(conn))
return do_expand_path(conn, path);
/* No protocol extension */