libssh: free sftp_canonicalize_path() data correctly

Assisted-by: Harry Sintonen

Fixes #3402
Closes #3403
This commit is contained in:
Daniel Stenberg 2018-12-21 14:22:42 +01:00
parent 207e7cfa98
commit d18a5afaf0
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
1 changed files with 10 additions and 6 deletions

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@ -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;