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pki: Use strndup in ssh_pki_export_privkey_base64()

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-09-04 21:59:13 +02:00
parent 8410f43d8b
commit e4711c469f
1 changed files with 6 additions and 11 deletions
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17
src/pki.c
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@@ -620,8 +620,8 @@ int ssh_pki_export_privkey_base64(const ssh_key privkey,
void *auth_data,
char **b64_key)
{
ssh_string blob;
unsigned char *b64;
ssh_string blob = NULL;
char *b64 = NULL;
if (privkey == NULL || !ssh_key_is_private(privkey)) {
return SSH_ERROR;
@@ -642,18 +642,13 @@ int ssh_pki_export_privkey_base64(const ssh_key privkey,
return SSH_ERROR;
}
b64 = malloc(ssh_string_len(blob));
if(b64 == NULL){
ssh_string_free(blob);
b64 = strndup(ssh_string_data(blob), ssh_string_len(blob));
ssh_string_free(blob);
if (b64 == NULL) {
return SSH_ERROR;
}
memcpy(b64,ssh_string_data(blob),ssh_string_len(blob));
ssh_string_free(blob);
*b64_key = (char *)b64;
*b64_key = b64;
return SSH_OK;
}