svn rev #18417: trunk/src/lib/gssapi/mechglue/

[tlyu@MIT.EDU]

Commit By: tlyu
Log Message: 
ticket: 4063
tags: pullup

	* src/lib/gssapi/mechglue/mglueP.h: Add loopback field to opaque
	structs of gss_ctx_id_t, gss_name_t, gss_cred_id_t to catch some
	application programming errors.  Add new macro GSSINT_CHK_LOOP()
	which returns non-zero if loopback field doesn't point to itself.

	* src/lib/gssapi/mechglue/g_accept_sec_context.c
	(gss_accept_sec_context):
	* src/lib/gssapi/mechglue/g_acquire_cred.c (gss_add_cred) 
	(gss_acquire_cred):
	* src/lib/gssapi/mechglue/g_delete_sec_context.c
	(gss_delete_sec_context):
	* src/lib/gssapi/mechglue/g_glue.c
	(gssint_convert_name_to_union_name):
	* src/lib/gssapi/mechglue/g_imp_name.c (gss_import_name):
	* src/lib/gssapi/mechglue/g_imp_sec_context.c
	(gss_import_sec_context):
	* src/lib/gssapi/mechglue/g_init_sec_context.c
	(gss_init_sec_context): Set loopback pointers.

	* src/lib/gssapi/mechglue/g_delete_sec_context.c
	(gss_delete_sec_context):
	* src/lib/gssapi/mechglue/g_rel_cred.c (gss_release_cred):
	* src/lib/gssapi/mechglue/g_rel_name.c (gss_release_name): Call
	GSSINT_CHK_LOOP() to validate loopback pointer.



Changed Files:
U   trunk/src/lib/gssapi/mechglue/g_accept_sec_context.c
U   trunk/src/lib/gssapi/mechglue/g_acquire_cred.c
U   trunk/src/lib/gssapi/mechglue/g_delete_sec_context.c
U   trunk/src/lib/gssapi/mechglue/g_dup_name.c
U   trunk/src/lib/gssapi/mechglue/g_glue.c
U   trunk/src/lib/gssapi/mechglue/g_imp_name.c
U   trunk/src/lib/gssapi/mechglue/g_imp_sec_context.c
U   trunk/src/lib/gssapi/mechglue/g_init_sec_context.c
U   trunk/src/lib/gssapi/mechglue/g_rel_cred.c
U   trunk/src/lib/gssapi/mechglue/g_rel_name.c
U   trunk/src/lib/gssapi/mechglue/mglueP.h