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mit_samba: Add functions to generate random password and salt.

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Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Sumit Bose <sbose@redhat.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Andreas Schneider 2014-08-06 15:41:05 +02:00 committed by Andrew Bartlett
parent 909e7f9ff6
commit 9734b5d9ed
2 changed files with 53 additions and 0 deletions
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49
source4/kdc/mit_samba.c
View File

@ -121,6 +121,55 @@ static krb5_error_code ks_is_tgs_principal(struct mit_samba_context *ctx,
return eq;
}
int mit_samba_generate_salt(krb5_data *salt)
{
if (salt == NULL) {
return EINVAL;
}
salt->length = 16;
salt->data = malloc(salt->length);
if (salt->data == NULL) {
return ENOMEM;
}
generate_random_buffer((uint8_t *)salt->data, salt->length);
return 0;
}
int mit_samba_generate_random_password(krb5_data *pwd)
{
TALLOC_CTX *tmp_ctx;
char *password;
if (pwd == NULL) {
return EINVAL;
}
pwd->length = 24;
tmp_ctx = talloc_named(NULL,
0,
"mit_samba_create_principal_password context");
if (tmp_ctx == NULL) {
return ENOMEM;
}
password = generate_random_password(tmp_ctx, pwd->length, pwd->length);
if (password == NULL) {
talloc_free(tmp_ctx);
return ENOMEM;
}
pwd->data = strdup(password);
talloc_free(tmp_ctx);
if (pwd->data == NULL) {
return ENOMEM;
}
return 0;
}
int mit_samba_get_principal(struct mit_samba_context *ctx,
krb5_const_principal principal,
unsigned int kflags,

4
source4/kdc/mit_samba.h
View File

@ -32,6 +32,10 @@ int mit_samba_context_init(struct mit_samba_context **_ctx);
void mit_samba_context_free(struct mit_samba_context *ctx);
int mit_samba_generate_salt(krb5_data *salt);
int mit_samba_generate_random_password(krb5_data *pwd);
int mit_samba_get_principal(struct mit_samba_context *ctx,
krb5_const_principal principal,
unsigned int kflags,