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(krb5_sendauth): correct the protocol documentation and process

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KRB-ERROR's


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3064 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-08-20 15:40:22 +00:00
parent d1229385c3
commit 92f39c5b52
1 changed files with 22 additions and 7 deletions
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29
lib/krb5/sendauth.c
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@@ -50,16 +50,21 @@ RCSID("$Id$");
* protocol string (with terminating zero)
*
* server -> client
* 4 bytes - length (0 = OK, else length of error)
* (error)
* 1 byte - (0 = OK, else some kind of error)
*
* client -> server
* 4 bytes - length
* AP-REQ
*
* server -> client
* 4 bytes - length (0 = OK, else length of error)
* (error)
*
* if(mutual) {
* server -> client
* 4 bytes - length
* AP-REP
* }
*/
krb5_error_code
@@ -82,7 +87,7 @@ krb5_sendauth(krb5_context context,
u_int32_t len, net_len;
const char *version = KRB5_SENDAUTH_VERSION;
u_char repl;
krb5_data ap_req;
krb5_data ap_req, error_data;
krb5_creds this_cred;
krb5_creds *creds;
@@ -144,11 +149,21 @@ krb5_sendauth(krb5_context context,
krb5_data_free (&ap_req);
if (krb5_net_read (context, fd, &len, 4) != 4)
return errno;
ret = krb5_read_message (context, p_fd, &error_data);
if (ret)
return ret;
if (len != 0)
return KRB5_SENDAUTH_REJECTED;
if (error_data.length != 0) {
KRB_ERROR error;
ret = krb5_rd_error (context, &error_data, &error);
krb5_data_free (&error_data);
if (ret == 0) {
free_KRB_ERROR(&error);
return error.error_code;
} else
return ret;
}
if (ap_req_options & AP_OPTS_MUTUAL_REQUIRED) {
krb5_data ap_rep;