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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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11
src/auth.c
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@@ -1249,7 +1249,7 @@ void ssh_kbdint_free(ssh_kbdint kbd) {
n = kbd->nprompts;
if (kbd->prompts) {
for (i = 0; i < n; i++) {
BURN_STRING(kbd->prompts[i]);
explicit_bzero(kbd->prompts[i], strlen(kbd->prompts[i]));
SAFE_FREE(kbd->prompts[i]);
}
SAFE_FREE(kbd->prompts);
@@ -1258,7 +1258,7 @@ void ssh_kbdint_free(ssh_kbdint kbd) {
n = kbd->nanswers;
if (kbd->answers) {
for (i = 0; i < n; i++) {
BURN_STRING(kbd->answers[i]);
explicit_bzero(kbd->answers[i], strlen(kbd->answers[i]));
SAFE_FREE(kbd->answers[i]);
}
SAFE_FREE(kbd->answers);
@@ -1281,7 +1281,7 @@ void ssh_kbdint_clean(ssh_kbdint kbd) {
n = kbd->nprompts;
if (kbd->prompts) {
for (i = 0; i < n; i++) {
BURN_STRING(kbd->prompts[i]);
explicit_bzero(kbd->prompts[i], strlen(kbd->prompts[i]));
SAFE_FREE(kbd->prompts[i]);
}
SAFE_FREE(kbd->prompts);
@@ -1291,7 +1291,7 @@ void ssh_kbdint_clean(ssh_kbdint kbd) {
if (kbd->answers) {
for (i = 0; i < n; i++) {
BURN_STRING(kbd->answers[i]);
explicit_bzero(kbd->answers[i], strlen(kbd->answers[i]));
SAFE_FREE(kbd->answers[i]);
}
SAFE_FREE(kbd->answers);
@@ -1759,7 +1759,8 @@ int ssh_userauth_kbdint_setanswer(ssh_session session, unsigned int i,
}
if (session->kbdint->answers[i]) {
BURN_STRING(session->kbdint->answers[i]);
explicit_bzero(session->kbdint->answers[i],
strlen(session->kbdint->answers[i]));
SAFE_FREE(session->kbdint->answers[i]);
}