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new function `krb5_recvauth_match_version' that allows more

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intelligent matching of the application version


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7036 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1999-09-27 12:17:35 +00:00
parent f28dc33f8e
commit eb9b5533bf
1 changed files with 28 additions and 9 deletions
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37
lib/krb5/recvauth.c
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@@ -44,6 +44,12 @@ RCSID("$Id$");
* See `sendauth.c' for the format.
*/
static krb5_boolean
match_exact(void *data, const char *appl_version)
{
return strcmp(data, appl_version) == 0;
}
krb5_error_code
krb5_recvauth(krb5_context context,
krb5_auth_context *auth_context,
@@ -53,6 +59,24 @@ krb5_recvauth(krb5_context context,
int32_t flags,
krb5_keytab keytab,
krb5_ticket **ticket)
{
return krb5_recvauth_match_version(context, auth_context, p_fd,
match_exact, appl_version,
server, flags,
keytab, ticket);
}
krb5_error_code
krb5_recvauth_match_version(krb5_context context,
krb5_auth_context *auth_context,
krb5_pointer p_fd,
krb5_boolean (*match_appl_version)(void *,
const char*),
void *match_data,
krb5_principal server,
int32_t flags,
krb5_keytab keytab,
krb5_ticket **ticket)
{
krb5_error_code ret;
const char *version = KRB5_SENDAUTH_VERSION;
@@ -102,19 +126,14 @@ krb5_recvauth(krb5_context context,
if (n == 0)
return KRB5_SENDAUTH_BADAPPLVERS;
len = ntohl(len);
if (len != strlen(appl_version) + 1) {
repl = 2;
krb5_net_write (context, p_fd, &repl, 1);
return KRB5_SENDAUTH_BADAPPLVERS;
}
her_appl_version = malloc (len);
if (her_appl_version == NULL) {
repl = 2;
krb5_net_write (context, p_fd, &repl, 1);
return ENOMEM;
repl = 2;
krb5_net_write (context, p_fd, &repl, 1);
return ENOMEM;
}
if (krb5_net_read (context, p_fd, her_appl_version, len) != len
|| strcmp (appl_version, her_appl_version)) {
|| !(*match_appl_version)(match_data, her_appl_version)) {
repl = 2;
krb5_net_write (context, p_fd, &repl, 1);
free (her_appl_version);