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-rw-r--r--src/providers/krb5/krb5_child.c56
1 files changed, 36 insertions, 20 deletions
diff --git a/src/providers/krb5/krb5_child.c b/src/providers/krb5/krb5_child.c
index c12478f1..86115957 100644
--- a/src/providers/krb5/krb5_child.c
+++ b/src/providers/krb5/krb5_child.c
@@ -171,7 +171,8 @@ static krb5_error_code sss_krb5_prompter(krb5_context context, void *data,
}
-static krb5_error_code create_empty_cred(struct krb5_req *kr, krb5_creds **_cred)
+static krb5_error_code create_empty_cred(krb5_context ctx, krb5_principal princ,
+ krb5_creds **_cred)
{
krb5_error_code kerr;
krb5_creds *cred = NULL;
@@ -183,15 +184,15 @@ static krb5_error_code create_empty_cred(struct krb5_req *kr, krb5_creds **_cred
return ENOMEM;
}
- kerr = krb5_copy_principal(kr->ctx, kr->princ, &cred->client);
+ kerr = krb5_copy_principal(ctx, princ, &cred->client);
if (kerr != 0) {
DEBUG(1, ("krb5_copy_principal failed.\n"));
goto done;
}
- krb5_realm = krb5_princ_realm(kr->ctx, kr->princ);
+ krb5_realm = krb5_princ_realm(ctx, princ);
- kerr = krb5_build_principal_ext(kr->ctx, &cred->server,
+ kerr = krb5_build_principal_ext(ctx, &cred->server,
krb5_realm->length, krb5_realm->data,
KRB5_TGS_NAME_SIZE, KRB5_TGS_NAME,
krb5_realm->length, krb5_realm->data, 0);
@@ -203,7 +204,7 @@ static krb5_error_code create_empty_cred(struct krb5_req *kr, krb5_creds **_cred
done:
if (kerr != 0) {
if (cred != NULL && cred->client != NULL) {
- krb5_free_principal(kr->ctx, cred->client);
+ krb5_free_principal(ctx, cred->client);
}
free(cred);
@@ -214,7 +215,9 @@ done:
return kerr;
}
-static krb5_error_code create_ccache_file(struct krb5_req *kr, krb5_creds *creds)
+static krb5_error_code create_ccache_file(krb5_context ctx,
+ krb5_principal princ,
+ char *ccname, krb5_creds *creds)
{
krb5_error_code kerr;
krb5_ccache tmp_cc = NULL;
@@ -224,11 +227,12 @@ static krb5_error_code create_ccache_file(struct krb5_req *kr, krb5_creds *creds
char *dummy;
char *tmp_ccname;
krb5_creds *l_cred;
+ TALLOC_CTX *tmp_ctx = NULL;
- if (strncmp(kr->ccname, "FILE:", 5) == 0) {
- cc_file_name = kr->ccname + 5;
+ if (strncmp(ccname, "FILE:", 5) == 0) {
+ cc_file_name = ccname + 5;
} else {
- cc_file_name = kr->ccname;
+ cc_file_name = ccname;
}
if (cc_file_name[0] != '/') {
@@ -236,27 +240,36 @@ static krb5_error_code create_ccache_file(struct krb5_req *kr, krb5_creds *creds
return EINVAL;
}
+ tmp_ctx = talloc_new(tmp_ctx);
+ if (tmp_ctx == NULL) {
+ DEBUG(1, ("talloc_new failed.\n"));
+ return ENOMEM;
+ }
+
dummy = strrchr(cc_file_name, '/');
- tmp_ccname = talloc_strndup(kr, cc_file_name, (size_t) (dummy-cc_file_name));
+ tmp_ccname = talloc_strndup(tmp_ctx, cc_file_name,
+ (size_t) (dummy-cc_file_name));
if (tmp_ccname == NULL) {
DEBUG(1, ("talloc_strdup failed.\n"));
- return ENOMEM;
+ kerr = ENOMEM;
+ goto done;
}
tmp_ccname = talloc_asprintf_append(tmp_ccname, "/.krb5cc_dummy_XXXXXX");
fd = mkstemp(tmp_ccname);
if (fd == -1) {
DEBUG(1, ("mkstemp failed [%d][%s].\n", errno, strerror(errno)));
- return errno;
+ kerr = errno;
+ goto done;
}
- kerr = krb5_cc_resolve(kr->ctx, tmp_ccname, &tmp_cc);
+ kerr = krb5_cc_resolve(ctx, tmp_ccname, &tmp_cc);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
}
- kerr = krb5_cc_initialize(kr->ctx, tmp_cc, kr->princ);
+ kerr = krb5_cc_initialize(ctx, tmp_cc, princ);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
@@ -267,7 +280,7 @@ static krb5_error_code create_ccache_file(struct krb5_req *kr, krb5_creds *creds
}
if (creds == NULL) {
- kerr = create_empty_cred(kr, &l_cred);
+ kerr = create_empty_cred(ctx, princ, &l_cred);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
@@ -276,13 +289,13 @@ static krb5_error_code create_ccache_file(struct krb5_req *kr, krb5_creds *creds
l_cred = creds;
}
- kerr = krb5_cc_store_cred(kr->ctx, tmp_cc, l_cred);
+ kerr = krb5_cc_store_cred(ctx, tmp_cc, l_cred);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
}
- kerr = krb5_cc_close(kr->ctx, tmp_cc);
+ kerr = krb5_cc_close(ctx, tmp_cc);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
@@ -309,8 +322,11 @@ done:
close(fd);
}
if (kerr != 0 && tmp_cc != NULL) {
- krb5_cc_destroy(kr->ctx, tmp_cc);
+ krb5_cc_destroy(ctx, tmp_cc);
}
+
+ talloc_free(tmp_ctx);
+
return kerr;
}
@@ -608,7 +624,7 @@ static krb5_error_code get_and_save_tgt(struct krb5_req *kr,
DEBUG(9, ("TGT validation is disabled.\n"));
}
- kerr = create_ccache_file(kr, kr->creds);
+ kerr = create_ccache_file(kr->ctx, kr->princ, kr->ccname, kr->creds);
if (kerr != 0) {
KRB5_DEBUG(1, kerr);
goto done;
@@ -992,7 +1008,7 @@ static errno_t create_empty_ccache(int fd, struct krb5_req *kr)
int ret;
int pam_status = PAM_SUCCESS;
- ret = create_ccache_file(kr, NULL);
+ ret = create_ccache_file(kr->ctx, kr->princ, kr->ccname, NULL);
if (ret != 0) {
KRB5_DEBUG(1, ret);
pam_status = PAM_SYSTEM_ERR;