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Diffstat (limited to 'kerberosIV/kadmind/admin_server.c')
-rw-r--r--kerberosIV/kadmind/admin_server.c428
1 files changed, 0 insertions, 428 deletions
diff --git a/kerberosIV/kadmind/admin_server.c b/kerberosIV/kadmind/admin_server.c
deleted file mode 100644
index 8c50c24c536..00000000000
--- a/kerberosIV/kadmind/admin_server.c
+++ /dev/null
@@ -1,428 +0,0 @@
-/* $OpenBSD: admin_server.c,v 1.5 1999/05/23 17:19:24 aaron Exp $ */
-/* $KTH: admin_server.c,v 1.42 1997/12/04 19:31:39 assar Exp $ */
-
-/*
- * Copyright (C) 1989 by the Massachusetts Institute of Technology
- *
- * Export of this software from the United States of America is assumed
- * to require a specific license from the United States Government.
- * It is the responsibility of any person or organization contemplating
- * export to obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of M.I.T. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- */
-
-/*
- * Top-level loop of the kerberos Administration server
- */
-
-/*
- admin_server.c
- this holds the main loop and initialization and cleanup code for the server
-*/
-
-#include "kadm_locl.h"
-
-/* Almost all procs and such need this, so it is global */
-admin_params prm; /* The command line parameters struct */
-
-/* GLOBAL */
-char *acldir = DEFAULT_ACL_DIR;
-static char krbrlm[REALM_SZ];
-
-static unsigned pidarraysize = 0;
-static int *pidarray = (int *)0;
-
-static int exit_now = 0;
-
-void
-doexit(int sig)
-{
- exit_now = 1;
- return;
-}
-
-void
-do_child(int sig)
-{
- int pid;
- int i, j;
-
- int status;
-
- pid = wait(&status);
-
- /* Reinstall signal handlers for SysV. Must be done *after* wait */
- signal(SIGCHLD, do_child);
-
- for (i = 0; i < pidarraysize; i++)
- if (pidarray[i] == pid) {
- /* found it */
- for (j = i; j < pidarraysize-1; j++)
- /* copy others down */
- pidarray[j] = pidarray[j+1];
- pidarraysize--;
- if ((WIFEXITED(status) && WEXITSTATUS(status) != 0)
- || WIFSIGNALED(status))
- krb_log("child %d: termsig %d, retcode %d", pid,
- WTERMSIG(status), WEXITSTATUS(status));
- return;
- }
- krb_log("child %d not in list: termsig %d, retcode %d", pid,
- WTERMSIG(status), WEXITSTATUS(status));
-}
-
-static void
-kill_children(void)
-{
- int i;
-
- for (i = 0; i < pidarraysize; i++) {
- kill(pidarray[i], SIGINT);
- krb_log("killing child %d", pidarray[i]);
- }
-}
-
-/* close the system log file */
-static void
-close_syslog(void)
-{
- krb_log("Shutting down admin server");
-}
-
-static void
-byebye(void) /* say goodnight gracie */
-{
- printf("Admin Server (kadm server) has completed operation.\n");
-}
-
-static void
-clear_secrets(void)
-{
- memset(server_parm.master_key, 0, sizeof(server_parm.master_key));
- memset(server_parm.master_key_schedule, 0,
- sizeof(server_parm.master_key_schedule));
- server_parm.master_key_version = 0L;
-}
-
-#ifdef DEBUG
-#define cleanexit(code) {kerb_fini(); return;}
-#endif
-
-#ifndef DEBUG
-static void
-cleanexit(int val)
-{
- kerb_fini();
- clear_secrets();
- exit(val);
-}
-#endif
-
-static void
-process_client(int fd, struct sockaddr_in *who)
-{
- u_char *dat;
- int dat_len;
- u_short dlen;
- int retval;
- int on = 1;
- Principal service;
- des_cblock skey;
- int more;
- int status;
-
- if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on)) < 0)
- krb_log("setsockopt keepalive: %d",errno);
-
- server_parm.recv_addr = *who;
-
- if (kerb_init()) { /* Open as client */
- krb_log("can't open krb db");
- cleanexit(1);
- }
- /* need to set service key to changepw.KRB_MASTER */
-
- status = kerb_get_principal(server_parm.sname, server_parm.sinst, &service,
- 1, &more);
- if (status == -1) {
- /* db locked */
- int32_t retcode = KADM_DB_INUSE;
- char *pdat;
-
- dat_len = KADM_VERSIZE + sizeof(retcode);
- dat = (u_char *) malloc((unsigned)dat_len);
- pdat = (char *) dat;
- retcode = htonl((u_int32_t) KADM_DB_INUSE);
- strncpy(pdat, KADM_ULOSE, KADM_VERSIZE);
- memcpy(pdat+KADM_VERSIZE, &retcode, sizeof(retcode));
- goto out;
- } else if (!status) {
- krb_log("no service %s.%s",server_parm.sname, server_parm.sinst);
- cleanexit(2);
- }
-
- copy_to_key(&service.key_low, &service.key_high, skey);
- memset(&service, 0, sizeof(service));
- kdb_encrypt_key (&skey, &skey, &server_parm.master_key,
- server_parm.master_key_schedule, DES_DECRYPT);
- krb_set_key(skey, 0); /* if error, will show up when
- rd_req fails */
- memset(skey, 0, sizeof(skey));
-
- while (1) {
- if ((retval = krb_net_read(fd, &dlen, sizeof(u_short))) !=
- sizeof(u_short)) {
- if (retval < 0)
- krb_log("dlen read: %s",error_message(errno));
- else if (retval)
- krb_log("short dlen read: %d",retval);
- close(fd);
- cleanexit(retval ? 3 : 0);
- }
- if (exit_now) {
- cleanexit(0);
- }
- dat_len = ntohs(dlen);
- dat = (u_char *) malloc(dat_len);
- if (!dat) {
- krb_log("malloc: No memory");
- close(fd);
- cleanexit(4);
- }
- if ((retval = krb_net_read(fd, dat, dat_len)) != dat_len) {
- if (retval < 0)
- krb_log("data read: %s",error_message(errno));
- else
- krb_log("short read: %d vs. %d", dat_len, retval);
- close(fd);
- cleanexit(5);
- }
- if (exit_now) {
- cleanexit(0);
- }
- if ((retval = kadm_ser_in(&dat,&dat_len)) != KADM_SUCCESS)
- krb_log("processing request: %s", error_message(retval));
-
- /* kadm_ser_in did the processing and returned stuff in
- dat & dat_len , return the appropriate data */
-
- out:
- dlen = htons(dat_len);
-
- if (krb_net_write(fd, &dlen, sizeof(u_short)) < 0) {
- krb_log("writing dlen to client: %s",error_message(errno));
- close(fd);
- cleanexit(6);
- }
-
- if (krb_net_write(fd, dat, dat_len) < 0) {
- krb_log("writing to client: %s", error_message(errno));
- close(fd);
- cleanexit(7);
- }
- free(dat);
- }
- /*NOTREACHED*/
-}
-
-/*
-kadm_listen
-listen on the admin servers port for a request
-*/
-static int
-kadm_listen(void)
-{
- int found;
- int admin_fd;
- int peer_fd;
- fd_set mask, readfds;
- struct sockaddr_in peer;
- int addrlen;
- int pid;
- int *temp;
-
- signal(SIGINT, doexit);
- signal(SIGTERM, doexit);
- signal(SIGHUP, doexit);
- signal(SIGQUIT, doexit);
- signal(SIGPIPE, SIG_IGN); /* get errors on write() */
- signal(SIGALRM, doexit);
- signal(SIGCHLD, do_child);
- if (setsid() < 0)
- krb_log("setsid() failed");
-
- if ((admin_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
- return KADM_NO_SOCK;
- {
- int one=1;
- setsockopt(admin_fd, SOL_SOCKET, SO_REUSEADDR, (void *)&one,
- sizeof(one));
- }
- if (bind(admin_fd, (struct sockaddr *)&server_parm.admin_addr,
- sizeof(struct sockaddr_in)) < 0)
- return KADM_NO_BIND;
- listen(admin_fd, 1);
- FD_ZERO(&mask);
- FD_SET(admin_fd, &mask);
-
- for (;;) { /* loop nearly forever */
- if (exit_now) {
- clear_secrets();
- kill_children();
- return(0);
- }
- readfds = mask;
- if ((found = select(admin_fd+1, &readfds, 0,
- 0, (struct timeval *)0)) == 0)
- continue; /* no things read */
- if (found < 0) {
- if (errno != EINTR)
- krb_log("select: %s",error_message(errno));
- continue;
- }
- if (FD_ISSET(admin_fd, &readfds)) {
- /* accept the conn */
- addrlen = sizeof(peer);
- if ((peer_fd = accept(admin_fd, (struct sockaddr *)&peer,
- &addrlen)) < 0) {
- krb_log("accept: %s",error_message(errno));
- continue;
- }
-#ifndef DEBUG
- /* grow the pidarray before forking, so we can catch the errors */
- temp = realloc(pidarray, ++pidarraysize);
- if (temp == NULL) {
- krb_log("realloc: %s", error_message(errno));
- close(peer_fd);
- continue;
- }
- pidarray = temp;
- /* if you want a sep daemon for each server */
- if ((pid = fork())) {
- /* parent */
- if (pid < 0) {
- krb_log("fork: %s",error_message(errno));
- close(peer_fd);
- continue;
- }
- /* fork succeded: keep tabs on child */
- close(peer_fd);
- pidarray[pidarraysize-1] = pid;
- } else {
- /* child */
- close(admin_fd);
-#endif /* DEBUG */
- /*
- * If we are multihomed we need to figure out which
- * local address that is used this time since it is
- * used in "direction" comparison.
- */
- getsockname(peer_fd,
- (struct sockaddr *)&server_parm.admin_addr,
- &addrlen);
- /* do stuff */
- process_client (peer_fd, &peer);
-#ifndef DEBUG
- }
-#endif
- } else {
- krb_log("something else woke me up!");
- return(0);
- }
- }
- /*NOTREACHED*/
-}
-
-/*
-** Main does the logical thing, it sets up the database and RPC interface,
-** as well as handling the creation and maintenance of the syslog file...
-*/
-int
-main(int argc, char **argv) /* admin_server main routine */
-{
- int errval;
- int c;
-
- umask(077); /* Create protected files */
-
- /* initialize the admin_params structure */
- prm.sysfile = KADM_SYSLOG; /* default file name */
- prm.inter = 0;
-
- memset(krbrlm, 0, sizeof(krbrlm));
-
- while ((c = getopt(argc, argv, "f:hmnd:a:r:")) != -1)
- switch(c) {
- case 'f': /* Syslog file name change */
- prm.sysfile = optarg;
- break;
- case 'n':
- prm.inter = 0;
- break;
- case 'm':
- prm.inter = 1;
- break;
- case 'a': /* new acl directory */
- acldir = optarg;
- break;
- case 'd':
- /* put code to deal with alt database place */
- if ((errval = kerb_db_set_name(optarg)))
- errx (1, "opening database %s: %s",
- optarg, error_message(errval));
- break;
- case 'r':
- strncpy(krbrlm, optarg, sizeof(krbrlm) - 1);
- krbrlm[sizeof(krbrlm) - 1] = '\0';
- break;
- case 'h': /* get help on using admin_server */
- default:
- errx(1, "Usage: kadmind [-h] [-n] [-m] [-r realm] [-d dbname] [-f filename] [-a acldir]");
- }
-
- if (krbrlm[0] == 0)
- if (krb_get_lrealm(krbrlm, 0) != KSUCCESS)
- errx (1, "Unable to get local realm. Fix krb.conf or use -r.");
-
- printf("KADM Server %s initializing\n",KADM_VERSTR);
- printf("Please do not use 'kill -9' to kill this job, use a\n");
- printf("regular kill instead\n\n");
-
- kset_logfile(prm.sysfile);
- krb_log("Admin server starting");
-
- kerb_db_set_lockmode(KERB_DBL_NONBLOCKING);
- errval = kerb_init(); /* Open the Kerberos database */
- if (errval) {
- warnx ("error: kerb_init() failed");
- close_syslog();
- byebye();
- }
- /* set up the server_parm struct */
- if ((errval = kadm_ser_init(prm.inter, krbrlm))==KADM_SUCCESS) {
- kerb_fini(); /* Close the Kerberos database--
- will re-open later */
- errval = kadm_listen(); /* listen for calls to server from
- clients */
- }
- if (errval != KADM_SUCCESS) {
- warnx("error: %s",error_message(errval));
- kerb_fini(); /* Close if error */
- }
- close_syslog(); /* Close syslog file, print
- closing note */
- byebye(); /* Say bye bye on the terminal
- in use */
- exit(1);
-} /* procedure main */
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