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authorDaniel Stenberg <daniel@haxx.se>2018-12-21 14:22:42 +0100
committerDaniel Stenberg <daniel@haxx.se>2018-12-22 18:10:39 +0100
commitd18a5afaf07fdc093c6a6131cc7926a3d5a55407 (patch)
tree9fd638489ba4c4c7a4364e3f69ac3de8dba4be77 /lib/ssh-libssh.c
parent207e7cfa98c35c9d40193ef83bba1d7a830bf141 (diff)
libssh: free sftp_canonicalize_path() data correctly
Assisted-by: Harry Sintonen Fixes #3402 Closes #3403
Diffstat (limited to 'lib/ssh-libssh.c')
-rw-r--r--lib/ssh-libssh.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/lib/ssh-libssh.c b/lib/ssh-libssh.c
index e38c01ac7..2e920f0e9 100644
--- a/lib/ssh-libssh.c
+++ b/lib/ssh-libssh.c
@@ -95,6 +95,13 @@
#include "memdebug.h"
#include "curl_path.h"
+/* A recent macro provided by libssh. Or make our own. */
+#ifndef SSH_STRING_FREE_CHAR
+/* !checksrc! disable ASSIGNWITHINCONDITION 1 */
+#define SSH_STRING_FREE_CHAR(x) \
+ do { if((x) != NULL) { ssh_string_free_char(x); x = NULL; } } while(0)
+#endif
+
/* Local functions: */
static CURLcode myssh_connect(struct connectdata *conn, bool *done);
static CURLcode myssh_multi_statemach(struct connectdata *conn,
@@ -1661,7 +1668,7 @@ static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
sshc->sftp_session = NULL;
}
- Curl_safefree(sshc->homedir);
+ SSH_STRING_FREE_CHAR(sshc->homedir);
conn->data->state.most_recent_ftp_entrypath = NULL;
state(conn, SSH_SESSION_DISCONNECT);
@@ -1829,7 +1836,7 @@ static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
ssh_disconnect(sshc->ssh_session);
- Curl_safefree(sshc->homedir);
+ SSH_STRING_FREE_CHAR(sshc->homedir);
conn->data->state.most_recent_ftp_entrypath = NULL;
state(conn, SSH_SESSION_FREE);
@@ -1866,14 +1873,11 @@ static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
Curl_safefree(sshc->rsa_pub);
Curl_safefree(sshc->rsa);
-
Curl_safefree(sshc->quote_path1);
Curl_safefree(sshc->quote_path2);
-
- Curl_safefree(sshc->homedir);
-
Curl_safefree(sshc->readdir_line);
Curl_safefree(sshc->readdir_linkPath);
+ SSH_STRING_FREE_CHAR(sshc->homedir);
/* the code we are about to return */
result = sshc->actualcode;