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authorMichał Górny <mgorny@gentoo.org>2015-05-24 22:33:55 +0200
committerMichał Górny <mgorny@gentoo.org>2015-05-27 20:36:53 +0200
commit2629fc874da258d76a63a99566a5ba457c9d5d30 (patch)
tree3239fc99a60f2b98b5a2a5e8d8761bb8d4a79c4e /src/transports/ssh.c
parentf7142b5e4a9ce3f389f7851aac2fc98ce7bef764 (diff)
downloadlibgit2-2629fc874da258d76a63a99566a5ba457c9d5d30.tar.gz
cred: Check for null values when getting key from memory
The public key field is optional and as such can take NULL. Account for that and do not call strlen() on NULL values. Also assert() for non-NULL values of username & private key.
Diffstat (limited to 'src/transports/ssh.c')
-rw-r--r--src/transports/ssh.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/transports/ssh.c b/src/transports/ssh.c
index 0a7422791..58f1aeb64 100644
--- a/src/transports/ssh.c
+++ b/src/transports/ssh.c
@@ -374,12 +374,15 @@ static int _git_ssh_authenticate_session(
case GIT_CREDTYPE_SSH_MEMORY: {
git_cred_ssh_key *c = (git_cred_ssh_key *)cred;
+ assert(c->username);
+ assert(c->privatekey);
+
rc = libssh2_userauth_publickey_frommemory(
session,
c->username,
strlen(c->username),
c->publickey,
- strlen(c->publickey),
+ c->publickey ? strlen(c->publickey) : 0,
c->privatekey,
strlen(c->privatekey),
c->passphrase);