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krb5-gssapi: Delete the GSS-API context. 

This fixes a memory leak related to the GSS-API code.

Added a krb5_init and krb5_end functions. Also removed a work-around
the lack of proper initialization of the GSS-API context.
This commit is contained in:
Julien Chaffraix 2010-10-02 00:33:24 -07:00
parent 2ae6c47d5d
commit 4b69f641a6
2 changed files with 26 additions and 3 deletions
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4
lib/ftp.c
View File

@ -3860,6 +3860,10 @@ static CURLcode ftp_disconnect(struct connectdata *conn)
Curl_pp_disconnect(pp);
#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
Curl_sec_end(conn);
#endif
return CURLE_OK;
}

25
lib/krb5.c
View File

@ -75,10 +75,19 @@
#define LOCAL_ADDR (&conn->local_addr)
#define REMOTE_ADDR conn->ip_addr->ai_addr
static int
krb5_init(void *app_data)
{
gss_ctx_id_t *context = app_data;
/* Make sure our context is initialized for krb5_end. */
*context = GSS_C_NO_CONTEXT;
return 0;
}
static int
krb5_check_prot(void *app_data, int level)
{
app_data = NULL; /* prevent compiler warning */
(void)app_data; /* unused */
if(level == prot_confidential)
return -1;
return 0;
@ -309,12 +318,22 @@ krb5_auth(void *app_data, struct connectdata *conn)
}
}
static void krb5_end(void *app_data)
{
OM_uint32 maj, min;
gss_ctx_id_t *context = app_data;
if (*context != GSS_C_NO_CONTEXT) {
maj = gss_delete_sec_context(&min, context, GSS_C_NO_BUFFER);
DEBUGASSERT(maj == GSS_S_COMPLETE);
}
}
struct Curl_sec_client_mech Curl_krb5_client_mech = {
"GSSAPI",
sizeof(gss_ctx_id_t),
NULL, /* init */
krb5_init,
krb5_auth,
NULL, /* end */
krb5_end,
krb5_check_prot,
krb5_overhead,
krb5_encode,