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authorSimo Sorce <simo@redhat.com>2013-08-26 12:33:49 -0400
committerJakub Hrozek <jhrozek@redhat.com>2013-08-28 11:00:03 +0200
commita524b03792dc8f8dae32bba5a2af8532bc751e86 (patch)
treef1d69e9d36ed97c1e8ba1aa4202f026dc1ffe98c /src/providers
parent78395373edc3fcf62847de2c630b656967222901 (diff)
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krb5_common: Refactor to use a talloc temp context
In preparation for handling some more allocations in the following patches and fixes a curent memleak on the opts struct. Related: https://fedorahosted.org/sssd/ticket/2036
Diffstat (limited to 'src/providers')
-rw-r--r--src/providers/krb5/krb5_common.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/src/providers/krb5/krb5_common.c b/src/providers/krb5/krb5_common.c
index 86e72157..c88eb03f 100644
--- a/src/providers/krb5/krb5_common.c
+++ b/src/providers/krb5/krb5_common.c
@@ -91,19 +91,27 @@ errno_t check_and_export_options(struct dp_option *opts,
struct sss_domain_info *dom,
struct krb5_ctx *krb5_ctx)
{
+ TALLOC_CTX *tmp_ctx = NULL;
int ret;
const char *realm;
const char *dummy;
char *use_fast_str;
char *fast_principal;
enum sss_krb5_cc_type cc_be;
+ char *ccname;
+
+ tmp_ctx = talloc_new(NULL);
+ if (!tmp_ctx) {
+ ret = ENOMEM;
+ goto done;
+ }
realm = dp_opt_get_cstring(opts, KRB5_REALM);
if (realm == NULL) {
ret = dp_opt_set_string(opts, KRB5_REALM, dom->name);
if (ret != EOK) {
DEBUG(1, ("dp_opt_set_string failed.\n"));
- return ret;
+ goto done;
}
realm = dom->name;
}
@@ -119,7 +127,7 @@ errno_t check_and_export_options(struct dp_option *opts,
if (ret != EOK) {
DEBUG(1, ("Failed to check value of krb5_renewable_lifetime. [%d][%s]\n",
ret, strerror(ret)));
- return ret;
+ goto done;
}
ret = check_and_export_lifetime(opts, KRB5_LIFETIME,
@@ -127,7 +135,7 @@ errno_t check_and_export_options(struct dp_option *opts,
if (ret != EOK) {
DEBUG(1, ("Failed to check value of krb5_lifetime. [%d][%s]\n",
ret, strerror(ret)));
- return ret;
+ goto done;
}
@@ -136,7 +144,7 @@ errno_t check_and_export_options(struct dp_option *opts,
ret = check_fast(use_fast_str, &krb5_ctx->use_fast);
if (ret != EOK) {
DEBUG(1, ("check_fast failed.\n"));
- return ret;
+ goto done;
}
if (krb5_ctx->use_fast) {
@@ -183,7 +191,8 @@ errno_t check_and_export_options(struct dp_option *opts,
dummy = dp_opt_get_cstring(opts, KRB5_CCNAME_TMPL);
if (dummy == NULL) {
DEBUG(1, ("Missing credential cache name template.\n"));
- return EINVAL;
+ ret = EINVAL;
+ goto done;
}
cc_be = sss_krb5_get_type(dummy);
@@ -200,13 +209,16 @@ errno_t check_and_export_options(struct dp_option *opts,
"missing an explicit type, but is an absolute "
"path specifier. Assuming FILE:\n"));
- dummy = talloc_asprintf(opts, "FILE:%s", dummy);
- if (!dummy) return ENOMEM;
+ ccname = talloc_asprintf(tmp_ctx, "FILE:%s", dummy);
+ if (!ccname) {
+ ret = ENOMEM;
+ goto done;
+ }
- ret = dp_opt_set_string(opts, KRB5_CCNAME_TMPL, dummy);
+ ret = dp_opt_set_string(opts, KRB5_CCNAME_TMPL, ccname);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("dp_opt_set_string failed.\n"));
- return ret;
+ goto done;
}
break;
@@ -224,11 +236,15 @@ errno_t check_and_export_options(struct dp_option *opts,
default:
DEBUG(SSSDBG_OP_FAILURE, ("Unknown ccname database\n"));
- return EINVAL;
- break;
+ ret = EINVAL;
+ goto done;
}
- return EOK;
+ ret = EOK;
+
+done:
+ talloc_free(tmp_ctx);
+ return ret;
}
errno_t krb5_try_kdcip(struct confdb_ctx *cdb, const char *conf_path,