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src: Use explicit_bzero() if available on the platform

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-02-12 14:35:55 +01:00
parent 25ff1214a4
commit ebcff9fd63
17 changed files with 48 additions and 52 deletions
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6
src/messages.c
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@@ -554,7 +554,8 @@ void ssh_message_free(ssh_message msg){
case SSH_REQUEST_AUTH:
SAFE_FREE(msg->auth_request.username);
if (msg->auth_request.password) {
BURN_STRING(msg->auth_request.password);
explicit_bzero(msg->auth_request.password,
strlen(msg->auth_request.password));
SAFE_FREE(msg->auth_request.password);
}
ssh_key_free(msg->auth_request.pubkey);
@@ -973,7 +974,8 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_info_response){
uint32_t n;
for (n = 0; n < session->kbdint->nanswers; n++) {
BURN_STRING(session->kbdint->answers[n]);
explicit_bzero(session->kbdint->answers[n],
strlen(session->kbdint->answers[n]));
SAFE_FREE(session->kbdint->answers[n]);
}
SAFE_FREE(session->kbdint->answers);