From 86cec97b2214cefdbc7cfa1c434c5823b28a47c3 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Sun, 18 Oct 2009 01:11:25 +0000 Subject: - Fixed memory leak in the SCP/SFTP code as it never freed the knownhosts data! --- CHANGES | 3 +++ RELEASE-NOTES | 1 + lib/ssh.c | 10 +++++++++- 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/CHANGES b/CHANGES index 520be1cc3..a408bc3f4 100644 --- a/CHANGES +++ b/CHANGES @@ -7,6 +7,9 @@ Changelog Daniel Stenberg (18 Oct 2009) +- Fixed memory leak in the SCP/SFTP code as it never freed the knownhosts + data! + - John Dennis filed bug report #2873666 (http://curl.haxx.se/bug/view.cgi?id=2873666) which identified a problem which made libcurl loop infinitely when given incorrect credentials when diff --git a/RELEASE-NOTES b/RELEASE-NOTES index 111e98255..a9691ae97 100644 --- a/RELEASE-NOTES +++ b/RELEASE-NOTES @@ -38,6 +38,7 @@ This release includes the following bugfixes: o invalid file name characters handling on Windows o double close() on the primary socket with libcurl-NSS o GSS negotiate infinite loop on bad credentials + o memory leak in SCP/SFTP connections This release includes the following known bugs: diff --git a/lib/ssh.c b/lib/ssh.c index 1503734eb..eaaa8e69a 100644 --- a/lib/ssh.c +++ b/lib/ssh.c @@ -2204,6 +2204,13 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block) break; case SSH_SESSION_FREE: +#ifdef HAVE_LIBSSH2_KNOWNHOST_API + if(sshc->kh) { + libssh2_knownhost_free(sshc->kh); + sshc->kh = NULL; + } +#endif + if(sshc->ssh_session) { rc = libssh2_session_free(sshc->ssh_session); if(rc == LIBSSH2_ERROR_EAGAIN) { @@ -2565,11 +2572,12 @@ static CURLcode ssh_do(struct connectdata *conn, bool *done) static CURLcode scp_disconnect(struct connectdata *conn) { CURLcode result = CURLE_OK; + struct ssh_conn *ssh = &conn->proto.sshc; Curl_safefree(conn->data->state.proto.ssh); conn->data->state.proto.ssh = NULL; - if(conn->proto.sshc.ssh_session) { + if(ssh->ssh_session) { /* only if there's a session still around to use! */ state(conn, SSH_SESSION_DISCONNECT); -- cgit v1.2.3