diff options
Diffstat (limited to 'driver.c')
| -rw-r--r-- | driver.c | 77 |
1 files changed, 73 insertions, 4 deletions
@@ -18,6 +18,12 @@ #include <sys/time.h> #include <signal.h> +#ifdef KERBEROS_V4 +#include <krb.h> +#include <des.h> +#include <netinet/in.h> /* must be included before "socket.h".*/ +#include <netdb.h> +#endif #include "socket.h" #include "fetchmail.h" #include "smtp.h" @@ -469,6 +475,68 @@ struct hostrec *queryctl; return(0); } +#ifdef KERBEROS_V4 +/********************************************************************* + function: kerberos_auth + description: Authenticate to the server host using Kerberos V4 + + arguments: + socket socket to server + servername server name + + return value: exit code from the set of PS_.* constants defined in + fetchmail.h + calls: + globals: reads outlevel. + *********************************************************************/ + +int +kerberos_auth (socket, servername) + int socket; + char *servername; +{ + char * host_primary; + KTEXT ticket; + MSG_DAT msg_data; + CREDENTIALS cred; + Key_schedule schedule; + int rem; + + /* Get the primary name of the host. */ + { + struct hostent * hp = (gethostbyname (servername)); + if (hp == 0) + { + fprintf (stderr, "MAILHOST unknown: %s\n", servername); + return (PS_ERROR); + } + host_primary = ((char *) (malloc ((strlen (hp -> h_name)) + 1))); + strcpy (host_primary, (hp -> h_name)); + } + + ticket = ((KTEXT) (malloc (sizeof (KTEXT_ST)))); + rem + = (krb_sendauth (0L, socket, ticket, "pop", + host_primary, + ((char *) (krb_realmofhost (host_primary))), + ((unsigned long) 0), + (&msg_data), + (&cred), + (schedule), + ((struct sockaddr_in *) 0), + ((struct sockaddr_in *) 0), + "KPOPV0.1")); + free (ticket); + free (host_primary); + if (rem != KSUCCESS) + { + fprintf (stderr, "kerberos error: %s\n", (krb_get_err_text (rem))); + return (PS_ERROR); + } + return (0); +} +#endif /* KERBEROS_V4 */ + /********************************************************************* function: do_protocol description: retrieve messages from the specified mail server @@ -499,6 +567,7 @@ struct method *proto; alarmed = 0; sigsave = signal(SIGALRM, alarm_handler); alarm (timeout); + /* lacking methods, there are some options that may fail */ if (!proto->is_old) { @@ -536,11 +605,11 @@ struct method *proto; #ifdef KERBEROS_V4 if (queryctl->protocol == P_KPOP) - { - ok = (pop3_kerberos_auth (socket, queryctl)); + { + ok = (kerberos_auth (socket, queryctl->servername)); if (ok != 0) - goto cleanUp; - } + goto cleanUp; + } #endif /* accept greeting message from mail server */ |