summaryrefslogtreecommitdiff
path: root/crypto/kerberosIV/slave/kprop.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/kerberosIV/slave/kprop.c')
-rw-r--r--crypto/kerberosIV/slave/kprop.c530
1 files changed, 0 insertions, 530 deletions
diff --git a/crypto/kerberosIV/slave/kprop.c b/crypto/kerberosIV/slave/kprop.c
deleted file mode 100644
index 89011212ea9a..000000000000
--- a/crypto/kerberosIV/slave/kprop.c
+++ /dev/null
@@ -1,530 +0,0 @@
-/*
-
-Copyright 1987, 1988 by the Student Information Processing Board
- of the Massachusetts Institute of Technology
-
-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 names of M.I.T. and the M.I.T. S.I.P.B. not be
-used in advertising or publicity pertaining to distribution
-of the software without specific, written prior permission.
-M.I.T. and the M.I.T. S.I.P.B. make no representations about
-the suitability of this software for any purpose. It is
-provided "as is" without express or implied warranty.
-
-*/
-
-#include "slav_locl.h"
-
-RCSID("$Id: kprop.c,v 1.29 1997/05/25 02:43:54 joda Exp $");
-
-#include "kprop.h"
-
-static char kprop_version[KPROP_PROT_VERSION_LEN] = KPROP_PROT_VERSION;
-
-int debug = 0;
-
-char my_realm[REALM_SZ];
-int princ_data_size = 3 * sizeof(int32_t) + 3 * sizeof(unsigned char);
-short transfer_mode, net_transfer_mode;
-int force_flag;
-static char ok[] = ".dump_ok";
-
-struct slave_host {
- u_int32_t net_addr;
- char *name;
- char *instance;
- char *realm;
- int not_time_yet;
- int succeeded;
- struct slave_host *next;
-};
-
-static
-int get_slaves(struct slave_host **psl, char *file, time_t ok_mtime)
-{
- FILE *fin;
- char namebuf[128], *inst;
- char *pc;
- struct hostent *host;
- struct slave_host **th;
- char path[256];
- char *ppath;
- struct stat stbuf;
-
- if ((fin = fopen(file, "r")) == NULL)
- err (1, "open(%s)", file);
- strcpy(path, file);
- if ((ppath = strrchr(path, '/'))) {
- ppath += 1;
- } else {
- ppath = path;
- }
- th = psl;
- while(fgets(namebuf, sizeof(namebuf), fin)){
- if ((pc = strchr(namebuf, '\n'))) {
- *pc = '\0';
- } else {
- if(strlen(namebuf) == sizeof(namebuf) - 1){
- warnx ("Hostname too long (>= %d chars) in '%s'.",
- (int) sizeof(namebuf), file);
- do{
- if(fgets(namebuf, sizeof(namebuf), fin) == NULL)
- break;
- }while(strchr(namebuf, '\n') == NULL);
- continue;
- }
- }
- if(namebuf[0] == 0 || namebuf[0] == '#')
- continue;
- host = gethostbyname(namebuf);
- if (host == NULL) {
- warnx ("Ignoring host '%s' in '%s': %s",
- namebuf, file,
-#ifdef HAVE_H_ERRNO
- hstrerror(h_errno)
-#else
- "unknown error"
-#endif
- );
- continue;
- }
- (*th) = (struct slave_host *) malloc(sizeof(struct slave_host));
- if (!*th)
- errx (1, "No memory reading host list from '%s'.",
- file);
- memset(*th, 0, sizeof(struct slave_host));
- (*th)->name = strdup(namebuf);
- if ((*th)->name == NULL)
- errx (1, "No memory reading host list from '%s'.",
- file);
- /* get kerberos cannonical instance name */
- inst = krb_get_phost ((*th)->name);
- (*th)->instance = strdup(inst);
- if ((*th)->instance == NULL)
- errx (1, "No memory reading host list from '%s'.",
- file);
- /* what a concept, slave servers in different realms! */
- (*th)->realm = my_realm;
- memcpy(&(*th)->net_addr, host->h_addr, sizeof((*th)->net_addr));
- (*th)->not_time_yet = 0;
- (*th)->succeeded = 0;
- (*th)->next = NULL;
- strcat(strcpy(ppath, (*th)->name), "-last-prop");
- if (!force_flag && !stat(path, &stbuf) && stbuf.st_mtime > ok_mtime) {
- (*th)->not_time_yet = 1;
- (*th)->succeeded = 1; /* no change since last success */
- }
- th = &(*th)->next;
- }
- fclose(fin);
- return (1);
-}
-
-/* The master -> slave protocol looks like this:
- 1) 8 byte version string
- 2) 2 bytes of "transfer mode" (net byte order of course)
- 3) ticket/authentication send by sendauth
- 4) 4 bytes of "block" length (u_int32_t)
- 5) data
-
- 4 and 5 repeat til EOF ...
-*/
-
-static int
-prop_to_slaves(struct slave_host *sl, int fd, char *fslv)
-{
- u_char buf[KPROP_BUFSIZ];
- u_char obuf[KPROP_BUFSIZ + 64]; /* leave room for private msg overhead */
- struct sockaddr_in sin, my_sin;
- int i, n, s;
- struct slave_host *cs; /* current slave */
- char path[256], my_host_name[MaxHostNameLen], *p_my_host_name;
- char kprop_service_instance[INST_SZ];
- char *pc;
- u_int32_t cksum;
- u_int32_t length, nlength;
- long kerror;
- KTEXT_ST ticket;
- CREDENTIALS cred;
- MSG_DAT msg_dat;
- static char tkstring[] = "/tmp/kproptktXXXXXX";
-
- des_key_schedule session_sched;
-
- close(mkstemp(tkstring));
- krb_set_tkt_string(tkstring);
-
- memset(&sin, 0, sizeof sin);
- sin.sin_family = AF_INET;
- sin.sin_port = k_getportbyname ("krb_prop", "tcp", htons(KPROP_PORT));
- sin.sin_addr.s_addr = INADDR_ANY;
-
- strcpy(path, fslv);
- if ((pc = strrchr(path, '/'))) {
- pc += 1;
- } else {
- pc = path;
- }
-
- for (i = 0; i < 5; i++) { /* try each slave five times max */
- for (cs = sl; cs; cs = cs->next) {
- if (!cs->succeeded) {
- if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0)
- err (1, "socket");
- memcpy(&sin.sin_addr, &cs->net_addr,
- sizeof cs->net_addr);
-
- if (connect(s, (struct sockaddr *) &sin, sizeof sin) < 0) {
- warn ("connect(%s)", cs->name);
- close(s);
- continue; /*** NEXT SLAVE ***/
- }
-
- /* for krb_mk_{priv, safe} */
- memset(&my_sin, 0, sizeof my_sin);
- n = sizeof my_sin;
- if (getsockname (s, (struct sockaddr *) &my_sin, &n) != 0) {
- warn ("getsockname(%s)", cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
- if (n != sizeof (my_sin)) {
- warnx ("can't get socketname %s length", cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-
- /* Get ticket */
- kerror = krb_mk_req (&ticket, KPROP_SERVICE_NAME,
- cs->instance, cs->realm, (u_int32_t) 0);
- /* if ticket has expired try to get a new one, but
- * first get a TGT ...
- */
- if (kerror != MK_AP_OK) {
- if (k_gethostname (my_host_name, sizeof(my_host_name)) != 0) {
- warnx ("gethostname(%s): %s",
- my_host_name,
-#ifdef HAVE_H_ERRNO
- hstrerror(h_errno)
-#else
- "unknown error"
-#endif
- );
- close (s);
- break; /* next one can't work either! */
- }
- /* get canonical kerberos service instance name */
- p_my_host_name = krb_get_phost (my_host_name);
- /* copy it to make sure gethostbyname static doesn't
- * screw us. */
- strcpy (kprop_service_instance, p_my_host_name);
- kerror = krb_get_svc_in_tkt (KPROP_SERVICE_NAME,
-#if 0
- kprop_service_instance,
-#else
- KRB_MASTER,
-#endif
- my_realm,
- KRB_TICKET_GRANTING_TICKET,
- my_realm,
- 96,
- KPROP_SRVTAB);
- if (kerror != INTK_OK) {
- warnx ("%s: %s. While getting initial ticket\n",
- cs->name, krb_get_err_text(kerror));
- close (s);
- goto punt;
- }
- kerror = krb_mk_req (&ticket, KPROP_SERVICE_NAME,
- cs->instance, cs->realm, (u_int32_t) 0);
- }
- if (kerror != MK_AP_OK) {
- warnx ("%s: krb_mk_req: %s",
- cs->name, krb_get_err_text(kerror));
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-
- if (write(s, kprop_version, sizeof(kprop_version))
- != sizeof(kprop_version)) {
- warn ("%s", cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-
- net_transfer_mode = htons (transfer_mode);
- if (write(s, &net_transfer_mode, sizeof(net_transfer_mode))
- != sizeof(net_transfer_mode)) {
- warn ("write(%s)", cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-
- kerror = krb_get_cred (KPROP_SERVICE_NAME, cs->instance,
- cs->realm, &cred);
- if (kerror != KSUCCESS) {
- warnx ("%s: %s. Getting session key.",
- cs->name, krb_get_err_text(kerror));
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-#ifdef NOENCRYPTION
- memset(session_sched, 0, sizeof(session_sched));
-#else
- if (des_key_sched (&cred.session, session_sched)) {
- warnx ("%s: can't make key schedule.",
- cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-#endif
- /* SAFE (quad_cksum) and CLEAR are just not good enough */
- cksum = 0;
-#ifdef not_working_yet
- if (transfer_mode != KPROP_TRANSFER_PRIVATE) {
- cksum = get_data_checksum(fd, session_sched);
- lseek(fd, 0L, 0);
- }
- else
-#endif
- {
- struct stat st;
- fstat (fd, &st);
- cksum = st.st_size;
- }
- kerror = krb_sendauth(KOPT_DO_MUTUAL,
- s,
- &ticket,
- KPROP_SERVICE_NAME,
- cs->instance,
- cs->realm,
- cksum,
- &msg_dat,
- &cred,
- session_sched,
- &my_sin,
- &sin,
- KPROP_PROT_VERSION);
- if (kerror != KSUCCESS) {
- warnx ("%s: krb_sendauth: %s.",
- cs->name, krb_get_err_text(kerror));
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
-
- lseek(fd, 0L, SEEK_SET); /* Rewind file before rereading it. */
- while ((n = read(fd, buf, sizeof buf))) {
- if (n < 0)
- err (1, "read");
- switch (transfer_mode) {
- case KPROP_TRANSFER_PRIVATE:
- case KPROP_TRANSFER_SAFE:
- if (transfer_mode == KPROP_TRANSFER_PRIVATE)
- length = krb_mk_priv (buf, obuf, n,
- session_sched, &cred.session,
- &my_sin, &sin);
- else
- length = krb_mk_safe (buf, obuf, n,
- &cred.session,
- &my_sin, &sin);
- if (length == -1) {
- warnx ("%s: %s failed.",
- cs->name,
- (transfer_mode == KPROP_TRANSFER_PRIVATE)
- ? "krb_rd_priv" : "krb_rd_safe");
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
- nlength = htonl(length);
- if (write(s, &nlength, sizeof nlength)
- != sizeof nlength) {
- warn ("write(%s)", cs->name);
- close (s);
- continue; /*** NEXT SLAVE ***/
- }
- if (write(s, obuf, length) != length) {
- warn ("write(%s)", cs->name);
- close(s);
- continue; /*** NEXT SLAVE ***/
- }
- break;
- case KPROP_TRANSFER_CLEAR:
- if (write(s, buf, n) != n) {
- warn ("write(%s)", cs->name);
- close(s);
- continue; /*** NEXT SLAVE ***/
- }
- break;
- }
- }
- close(s);
- cs->succeeded = 1;
- fprintf(stderr, "%s: success.\n", cs->name);
- strcat(strcpy(pc, cs->name), "-last-prop");
- unlink(path);
- close(creat(path, 0600));
- }
- }
- }
-punt:
-
- dest_tkt();
- for (cs = sl; cs; cs = cs->next) {
- if (!cs->succeeded)
- return (0); /* didn't get this slave */
- }
- return (1);
-}
-
-static void
-usage()
-{
- /* already got floc and fslv, what is this? */
- fprintf(stderr,
- "\nUsage: kprop [-force] [-realm realm] [-private"
-#ifdef not_safe_yet
- "|-safe|-clear"
-#endif
- "] [data_file [slaves_file]]\n\n");
- exit(1);
-}
-
-
-int
-main(int argc, char **argv)
-{
- int fd, i;
- char *floc, *floc_ok;
- char *fslv;
- struct stat stbuf, stbuf_ok;
- time_t l_init, l_final;
- char *pc;
- int l_diff;
- static struct slave_host *slave_host_list = NULL;
- struct slave_host *sh;
-
- set_progname (argv[0]);
-
- transfer_mode = KPROP_TRANSFER_PRIVATE;
-
- time(&l_init);
- pc = ctime(&l_init);
- pc[strlen(pc) - 1] = '\0';
- printf("\nStart slave propagation: %s\n", pc);
-
- floc = NULL;
- fslv = NULL;
-
- if (krb_get_lrealm(my_realm,1) != KSUCCESS)
- errx (1, "Getting my kerberos realm. Check krb.conf");
-
- for (i = 1; i < argc; i++)
- switch (argv[i][0]) {
- case '-':
- if (strcmp (argv[i], "-private") == 0)
- transfer_mode = KPROP_TRANSFER_PRIVATE;
-#ifdef not_safe_yet
- else if (strcmp (argv[i], "-safe") == 0)
- transfer_mode = KPROP_TRANSFER_SAFE;
- else if (strcmp (argv[i], "-clear") == 0)
- transfer_mode = KPROP_TRANSFER_CLEAR;
-#endif
- else if (strcmp (argv[i], "-realm") == 0) {
- i++;
- if (i < argc)
- strcpy(my_realm, argv[i]);
- else
- usage();
- } else if (strcmp (argv[i], "-force") == 0)
- force_flag++;
- else {
- warnx("unknown control argument %s.", argv[i]);
- usage ();
- }
- break;
- default:
- /* positional arguments are marginal at best ... */
- if (floc == NULL)
- floc = argv[i];
- else {
- if (fslv == NULL)
- fslv = argv[i];
- else
- usage();
- }
- }
- if(floc == NULL)
- floc = DB_DIR "/slave_dump";
- if(fslv == NULL)
- fslv = DB_DIR "/slaves";
-
- asprintf (&floc_ok, "%s%s", floc, ok);
- if (floc_ok == NULL)
- errx (1, "out of memory in copying %s", floc);
-
- if ((fd = open(floc, O_RDONLY)) < 0)
- err (1, "open(%s)", floc);
- if (k_flock(fd, K_LOCK_SH | K_LOCK_NB))
- err (1, "flock(%s)", floc);
- if (stat(floc, &stbuf))
- err (1, "stat(%s)", floc);
- if (stat(floc_ok, &stbuf_ok))
- err (1, "stat(%s)", floc_ok);
- if (stbuf.st_mtime > stbuf_ok.st_mtime)
- errx (1, "'%s' more recent than '%s'.", floc, floc_ok);
- if (!get_slaves(&slave_host_list, fslv, stbuf_ok.st_mtime))
- errx (1, "can't read slave host file '%s'.", fslv);
-#ifdef KPROP_DBG
- {
- struct slave_host *sh;
- int i;
- fprintf(stderr, "\n\n");
- fflush(stderr);
- for (sh = slave_host_list; sh; sh = sh->next) {
- fprintf(stderr, "slave %d: %s, %s", i++, sh->name,
- inet_ntoa(sh->net_addr));
- fflush(stderr);
- }
- }
-#endif /* KPROP_DBG */
-
- if (!prop_to_slaves(slave_host_list, fd, fslv))
- errx (1, "propagation failed.");
- if (k_flock(fd, K_LOCK_UN))
- err (1, "flock(%s, LOCK_UN)", floc);
- fprintf(stderr, "\n\n");
- for (sh = slave_host_list; sh; sh = sh->next) {
- fprintf(stderr, "%s:\t\t%s\n", sh->name,
- (sh->not_time_yet? "Not time yet" : (sh->succeeded ? "Succeeded" : "FAILED")));
- }
-
- time(&l_final);
- l_diff = l_final - l_init;
- printf("propagation finished, %d:%02d:%02d elapsed\n",
- l_diff / 3600, (l_diff % 3600) / 60, l_diff % 60);
-
- exit(0);
-}
-
-#ifdef doesnt_work_yet
-u_long get_data_checksum(fd, key_sched)
- int fd;
- des_key_schedule key_sched;
-{
- u_int32_t cksum = 0;
- int n;
- char buf[BUFSIZ];
- u_int32_t obuf[2];
-
- while (n = read(fd, buf, sizeof buf)) {
- if (n < 0)
- err (1, "read");
- cksum = cbc_cksum(buf, obuf, n, key_sched, key_sched);
- }
- return cksum;
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 11:49:25 +0000