diff options
Diffstat (limited to 'crypto/kerberosIV/appl/sample/simple_server.c')
-rw-r--r-- | crypto/kerberosIV/appl/sample/simple_server.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/crypto/kerberosIV/appl/sample/simple_server.c b/crypto/kerberosIV/appl/sample/simple_server.c deleted file mode 100644 index 05baa4ee1c4a0..0000000000000 --- a/crypto/kerberosIV/appl/sample/simple_server.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * - * Copyright 1989 by the Massachusetts Institute of Technology. - * - * For copying and distribution information, please see the file - * <mit-copyright.h>. - * - * Simple UDP-based server application. For demonstration. - * This program performs no useful function. - */ - -#include "sample.h" - -RCSID("$Id: simple_server.c,v 1.11 1999/11/13 06:29:24 assar Exp $"); - -static void -usage (void) -{ - fprintf (stderr, "Usage: %s [-p port] [-s service] [-t srvtab]\n", - __progname); - exit (1); -} - -int -main(int argc, char **argv) -{ - char service[SNAME_SZ]; - char instance[INST_SZ]; - int port; - char srvtab[MaxPathLen]; - struct sockaddr_in addr, otheraddr; - int c; - int sock; - int i; - int len; - KTEXT_ST k; - KTEXT ktxt = &k; - AUTH_DAT ad; - MSG_DAT msg_data; - des_key_schedule sched; - - set_progname (argv[0]); - strlcpy (service, SAMPLE_SERVICE, sizeof(service)); - strlcpy (instance, "*", sizeof(instance)); - *srvtab = '\0'; - port = 0; - - while ((c = getopt (argc, argv, "p:s:t:")) != -1) - switch (c) { - case 'p' : { - struct servent *sp; - - sp = getservbyname (optarg, "udp"); - if (sp) - port = sp->s_port; - else - port = htons(atoi(optarg)); - break; - } - case 's' : - strlcpy (service, optarg, sizeof(service)); - break; - case 't' : - strlcpy (srvtab, optarg, sizeof(srvtab)); - break; - case '?' : - default : - usage (); - } - - if(port == 0) - port = k_getportbyname (SAMPLE_SERVICE, "udp", htons(SAMPLE_PORT)); - - memset (&addr, 0, sizeof(addr)); - addr.sin_family = AF_INET; - addr.sin_port = port; - - sock = socket (AF_INET, SOCK_DGRAM, 0); - if (sock < 0) - err (1, "socket"); - - if (bind (sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) - err (1, "bind"); - - /* GET KRB_MK_REQ MESSAGE */ - - i = read(sock, ktxt->dat, MAX_KTXT_LEN); - if (i < 0) - err (1, "read"); - - printf("Received %d bytes\n", i); - ktxt->length = i; - - /* Check authentication info */ - i = krb_rd_req(ktxt, service, instance, 0, &ad, ""); - if (i != KSUCCESS) - errx (1, "krb_rd_req: %s", krb_get_err_text(i)); - printf("Got authentication info from %s%s%s@%s\n", ad.pname, - *ad.pinst ? "." : "", ad.pinst, ad.prealm); - - /* GET KRB_MK_SAFE MESSAGE */ - - /* use "recvfrom" so we know client's address */ - len = sizeof(otheraddr); - i = recvfrom(sock, ktxt->dat, MAX_KTXT_LEN, 0, - (struct sockaddr *)&otheraddr, &len); - if (i < 0) - err (1, "recvfrom"); - printf("Received %d bytes\n", i); - - /* Verify the checksummed message */ - i = krb_rd_safe(ktxt->dat, i, &ad.session, &otheraddr, - &addr, &msg_data); - if (i != KSUCCESS) - errx (1, "krb_rd_safe: %s", krb_get_err_text(i)); - printf("Safe message is: %s\n", msg_data.app_data); - - /* NOW GET ENCRYPTED MESSAGE */ - -#ifdef NOENCRYPTION - memset(sched, 0, sizeof(sched)); -#else - /* need key schedule for session key */ - des_key_sched(&ad.session, sched); -#endif - - /* use "recvfrom" so we know client's address */ - len = sizeof(otheraddr); - i = recvfrom(sock, ktxt->dat, MAX_KTXT_LEN, 0, - (struct sockaddr *)&otheraddr, &len); - if (i < 0) - err (1, "recvfrom"); - printf("Received %d bytes\n", i); - i = krb_rd_priv(ktxt->dat, i, sched, &ad.session, &otheraddr, - &addr, &msg_data); - if (i != KSUCCESS) - errx (1, "krb_rd_priv: %s", krb_get_err_text(i)); - printf("Decrypted message is: %s\n", msg_data.app_data); - return(0); -} |