diff --git a/kuser/copy_cred_cache.c b/kuser/copy_cred_cache.c index 7b8cb05ef..3875db929 100644 --- a/kuser/copy_cred_cache.c +++ b/kuser/copy_cred_cache.c @@ -79,157 +79,6 @@ usage(int ret) exit(ret); } - -#define KRB5_TC_MATCH_SRV_NAMEONLY (1 << 29) -#define KRB5_TC_MATCH_FLAGS_EXACT (1 << 28) -#define KRB5_TC_MATCH_FLAGS (1 << 27) -#define KRB5_TC_MATCH_TIMES_EXACT (1 << 26) -#define KRB5_TC_MATCH_TIMES (1 << 25) -#define KRB5_TC_MATCH_AUTHDATA (1 << 24) -#define KRB5_TC_MATCH_2ND_TKT (1 << 23) -#define KRB5_TC_MATCH_IS_SKEY (1 << 22) - -static krb5_boolean -krb5_data_equal(const krb5_data *a, const krb5_data *b) -{ - if(a->length != b->length) - return FALSE; - return memcmp(a->data, b->data, a->length) == 0; -} - -static krb5_boolean -krb5_times_equal(const krb5_times *a, const krb5_times *b) -{ - return a->starttime == b->starttime && - a->authtime == b->authtime && - a->endtime == b->endtime && - a->renew_till == b->renew_till; -} - -static krb5_boolean -krb5_compare_creds2(krb5_context context, krb5_flags whichfields, - const krb5_creds * mcreds, const krb5_creds * creds) -{ - krb5_boolean match = TRUE; - - if (match && mcreds->server) { - if (whichfields & (KRB5_TC_DONT_MATCH_REALM | KRB5_TC_MATCH_SRV_NAMEONLY)) - match = krb5_principal_compare_any_realm (context, mcreds->server, - creds->server); - else - match = krb5_principal_compare (context, mcreds->server, - creds->server); - } - - if (match && mcreds->client) { - if(whichfields & KRB5_TC_DONT_MATCH_REALM) - match = krb5_principal_compare_any_realm (context, mcreds->client, - creds->client); - else - match = krb5_principal_compare (context, mcreds->client, - creds->client); - } - - if (match && (whichfields & KRB5_TC_MATCH_KEYTYPE)) - match = krb5_enctypes_compatible_keys(context, - mcreds->session.keytype, - creds->session.keytype); - - if (match && (whichfields & KRB5_TC_MATCH_FLAGS_EXACT)) - match = mcreds->flags.i == creds->flags.i; - - if (match && (whichfields & KRB5_TC_MATCH_FLAGS)) - match = (creds->flags.i & mcreds->flags.i) == mcreds->flags.i; - - if (match && (whichfields & KRB5_TC_MATCH_TIMES_EXACT)) - match = krb5_times_equal(&mcreds->times, &creds->times); - - if (match && (whichfields & KRB5_TC_MATCH_TIMES)) - /* compare only expiration times */ - match = (mcreds->times.renew_till <= creds->times.renew_till) && - (mcreds->times.endtime <= creds->times.endtime); - - if (match && (whichfields & KRB5_TC_MATCH_AUTHDATA)) { - unsigned int i; - if(mcreds->authdata.len != creds->authdata.len) - match = FALSE; - else - for(i = 0; match && i < mcreds->authdata.len; i++) - match = (mcreds->authdata.val[i].ad_type == - creds->authdata.val[i].ad_type) && - krb5_data_equal(&mcreds->authdata.val[i].ad_data, - &creds->authdata.val[i].ad_data); - } - if (match && (whichfields & KRB5_TC_MATCH_2ND_TKT)) - match = krb5_data_equal(&mcreds->second_ticket, &creds->second_ticket); - - if (match && (whichfields & KRB5_TC_MATCH_IS_SKEY)) - match = ((mcreds->second_ticket.length == 0) == - (creds->second_ticket.length == 0)); - - return match; -} - -static krb5_error_code -krb5_cc_next_cred_match(krb5_context context, - const krb5_ccache id, - krb5_cc_cursor * cursor, - krb5_creds * creds, - krb5_flags whichfields, - const krb5_creds * mcreds) -{ - krb5_error_code ret; - while (1) { - ret = krb5_cc_next_cred(context, id, cursor, creds); - if (ret) - return ret; - if (mcreds == NULL || krb5_compare_creds2(context, whichfields, mcreds, creds)) - return 0; - krb5_free_cred_contents(context, creds); - } -} - -static krb5_error_code -krb5_cc_copy_cache_match(krb5_context context, - const krb5_ccache from, - krb5_ccache to, - krb5_flags whichfields, - const krb5_creds * mcreds, - unsigned int *matched) -{ - krb5_error_code ret; - krb5_cc_cursor cursor; - krb5_creds cred; - krb5_principal princ; - - ret = krb5_cc_get_principal(context, from, &princ); - if (ret) - return ret; - ret = krb5_cc_initialize(context, to, princ); - if (ret) { - krb5_free_principal(context, princ); - return ret; - } - ret = krb5_cc_start_seq_get(context, from, &cursor); - if (ret) { - krb5_free_principal(context, princ); - return ret; - } - if (matched) - *matched = 0; - while (ret == 0 && - krb5_cc_next_cred_match(context, from, &cursor, &cred, - whichfields, mcreds) == 0) { - if (matched) - (*matched)++; - ret = krb5_cc_store_cred(context, to, &cred); - krb5_free_cred_contents(context, &cred); - } - krb5_cc_end_seq_get(context, from, &cursor); - krb5_free_principal(context, princ); - return ret; -} - static int32_t bitswap32(int32_t b) {