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From dfddf297c5876d9a5764a83aa7d436b8df020af9 Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Fri, 17 Nov 2017 13:53:37 -0500
Subject: [PATCH] Separate cred and ccache manipulation in
gpp_store_remote_creds()
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
(cherry picked from commit 221b553bfb4082085d05b40da9a04c1f7e4af533)
---
proxy/src/mechglue/gpp_creds.c | 62 ++++++++++++++++++++++++++----------------
1 file changed, 39 insertions(+), 23 deletions(-)
diff --git a/proxy/src/mechglue/gpp_creds.c b/proxy/src/mechglue/gpp_creds.c
index 6bdff45..3ebd726 100644
--- a/proxy/src/mechglue/gpp_creds.c
+++ b/proxy/src/mechglue/gpp_creds.c
@@ -136,6 +136,40 @@ bool gpp_creds_are_equal(gssx_cred *a, gssx_cred *b)
return true;
}
+static krb5_error_code gpp_construct_cred(gssx_cred *creds, krb5_context ctx,
+ krb5_creds *cred, char *cred_name)
+{
+ XDR xdrctx;
+ bool xdrok;
+ krb5_error_code ret = 0;
+
+ memset(cred, 0, sizeof(*cred));
+
+ memcpy(cred_name, creds->desired_name.display_name.octet_string_val,
+ creds->desired_name.display_name.octet_string_len);
+ cred_name[creds->desired_name.display_name.octet_string_len] = '\0';
+
+ ret = krb5_parse_name(ctx, cred_name, &cred->client);
+ if (ret) {
+ return ret;
+ }
+
+ ret = krb5_parse_name(ctx, GPKRB_SRV_NAME, &cred->server);
+ if (ret) {
+ return ret;
+ }
+
+ cred->ticket.data = malloc(GPKRB_MAX_CRED_SIZE);
+ xdrmem_create(&xdrctx, cred->ticket.data, GPKRB_MAX_CRED_SIZE,
+ XDR_ENCODE);
+ xdrok = xdr_gssx_cred(&xdrctx, creds);
+ if (!xdrok) {
+ return ENOSPC;
+ }
+ cred->ticket.length = xdr_getpos(&xdrctx);
+ return 0;
+}
+
uint32_t gpp_store_remote_creds(uint32_t *min, bool default_creds,
gss_const_key_value_set_t cred_store,
gssx_cred *creds)
@@ -145,17 +179,18 @@ uint32_t gpp_store_remote_creds(uint32_t *min, bool default_creds,
krb5_creds cred;
krb5_error_code ret;
char cred_name[creds->desired_name.display_name.octet_string_len + 1];
- XDR xdrctx;
- bool xdrok;
const char *cc_type;
*min = 0;
- memset(&cred, 0, sizeof(cred));
-
ret = krb5_init_context(&ctx);
if (ret) return ret;
+ ret = gpp_construct_cred(creds, ctx, &cred, cred_name);
+ if (ret) {
+ goto done;
+ }
+
if (cred_store) {
for (unsigned i = 0; i < cred_store->count; i++) {
if (strcmp(cred_store->elements[i].key, "ccache") == 0) {
@@ -175,25 +210,6 @@ uint32_t gpp_store_remote_creds(uint32_t *min, bool default_creds,
if (ret) goto done;
}
- memcpy(cred_name, creds->desired_name.display_name.octet_string_val,
- creds->desired_name.display_name.octet_string_len);
- cred_name[creds->desired_name.display_name.octet_string_len] = '\0';
-
- ret = krb5_parse_name(ctx, cred_name, &cred.client);
- if (ret) goto done;
-
- ret = krb5_parse_name(ctx, GPKRB_SRV_NAME, &cred.server);
- if (ret) goto done;
-
- cred.ticket.data = malloc(GPKRB_MAX_CRED_SIZE);
- xdrmem_create(&xdrctx, cred.ticket.data, GPKRB_MAX_CRED_SIZE, XDR_ENCODE);
- xdrok = xdr_gssx_cred(&xdrctx, creds);
- if (!xdrok) {
- ret = ENOSPC;
- goto done;
- }
- cred.ticket.length = xdr_getpos(&xdrctx);
-
cc_type = krb5_cc_get_type(ctx, ccache);
if (strcmp(cc_type, "FILE") == 0) {
/* FILE ccaches don't handle updates properly: if they have the same