Protoize
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@992 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
File diff suppressed because it is too large
Load Diff
@@ -46,58 +46,58 @@ static char sccsid[] = "@(#)genget.c 8.2 (Berkeley) 5/30/95";
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* the length of *s1 is returned.
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*/
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int isprefix(char *s1, char *s2)
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int
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isprefix(char *s1, char *s2)
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{
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char *os1;
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register char c1, c2;
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char *os1;
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register char c1, c2;
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if (*s1 == '\0')
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return(-1);
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os1 = s1;
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c1 = *s1;
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c2 = *s2;
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while (LOWER(c1) == LOWER(c2)) {
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if (c1 == '\0')
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break;
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c1 = *++s1;
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c2 = *++s2;
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}
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return(*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
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if (*s1 == '\0')
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return(-1);
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os1 = s1;
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c1 = *s1;
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c2 = *s2;
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while (LOWER(c1) == LOWER(c2)) {
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if (c1 == '\0')
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break;
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c1 = *++s1;
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c2 = *++s2;
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}
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return(*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
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}
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static char *ambiguous; /* special return value for command routines */
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char **
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genget(name, table, stlen)
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char *name; /* name to match */
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char **table; /* name entry in table */
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int stlen;
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char **
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genget(char *name, char **table, int stlen)
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/* name to match */
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/* name entry in table */
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{
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register char **c, **found;
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register int n;
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register char **c, **found;
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register int n;
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if (name == 0)
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return 0;
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if (name == 0)
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return 0;
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found = 0;
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for (c = table; *c != 0; c = (char **)((char *)c + stlen)) {
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if ((n = isprefix(name, *c)) == 0)
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continue;
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if (n < 0) /* exact match */
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return(c);
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if (found)
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return(&ambiguous);
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found = c;
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}
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return(found);
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found = 0;
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for (c = table; *c != 0; c = (char **)((char *)c + stlen)) {
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if ((n = isprefix(name, *c)) == 0)
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continue;
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if (n < 0) /* exact match */
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return(c);
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if (found)
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return(&ambiguous);
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found = c;
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}
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return(found);
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}
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/*
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* Function call version of Ambiguous()
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*/
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int
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Ambiguous(s)
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char *s;
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int
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Ambiguous(char *s)
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{
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return((char **)s == &ambiguous);
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return((char **)s == &ambiguous);
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}
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@@ -103,57 +103,51 @@ static des_cblock session_key;
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static des_key_schedule sched;
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static des_cblock challenge;
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static int
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Data(ap, type, d, c)
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Authenticator *ap;
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int type;
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void *d;
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int c;
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static int
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Data(Authenticator *ap, int type, void *d, int c)
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{
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unsigned char *p = str_data + 4;
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unsigned char *cd = (unsigned char *)d;
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unsigned char *p = str_data + 4;
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unsigned char *cd = (unsigned char *)d;
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if (c == -1)
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c = strlen((char *)cd);
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if (c == -1)
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c = strlen((char *)cd);
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if (auth_debug_mode) {
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printf("%s:%d: [%d] (%d)",
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str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY",
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str_data[3],
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type, c);
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printd(d, c);
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printf("\r\n");
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}
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*p++ = ap->type;
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*p++ = ap->way;
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*p++ = type;
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while (c-- > 0) {
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if ((*p++ = *cd++) == IAC)
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*p++ = IAC;
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}
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*p++ = IAC;
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*p++ = SE;
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if (str_data[3] == TELQUAL_IS)
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printsub('>', &str_data[2], p - (&str_data[2]));
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return(net_write(str_data, p - str_data));
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if (auth_debug_mode) {
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printf("%s:%d: [%d] (%d)",
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str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY",
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str_data[3],
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type, c);
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printd(d, c);
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printf("\r\n");
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}
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*p++ = ap->type;
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*p++ = ap->way;
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*p++ = type;
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while (c-- > 0) {
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if ((*p++ = *cd++) == IAC)
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*p++ = IAC;
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}
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*p++ = IAC;
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*p++ = SE;
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if (str_data[3] == TELQUAL_IS)
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printsub('>', &str_data[2], p - (&str_data[2]));
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return(net_write(str_data, p - str_data));
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}
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int
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kerberos4_init(ap, server)
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Authenticator *ap;
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int server;
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int
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kerberos4_init(Authenticator *ap, int server)
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{
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FILE *fp;
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FILE *fp;
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if (server) {
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str_data[3] = TELQUAL_REPLY;
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if ((fp = fopen(KEYFILE, "r")) == NULL)
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return(0);
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fclose(fp);
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} else {
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str_data[3] = TELQUAL_IS;
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}
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return(1);
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if (server) {
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str_data[3] = TELQUAL_REPLY;
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if ((fp = fopen(KEYFILE, "r")) == NULL)
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return(0);
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fclose(fp);
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} else {
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str_data[3] = TELQUAL_IS;
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}
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return(1);
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}
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char dst_realm_buf[REALM_SZ], *dest_realm = NULL;
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@@ -162,180 +156,177 @@ int dst_realm_sz = REALM_SZ;
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static int
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kerberos4_send(char *name, Authenticator *ap)
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{
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KTEXT_ST auth;
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char instance[INST_SZ];
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char *realm;
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char *krb_realmofhost();
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char *krb_get_phost();
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CREDENTIALS cred;
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int r;
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KTEXT_ST auth;
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char instance[INST_SZ];
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char *realm;
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char *krb_realmofhost(const char *);
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char *krb_get_phost(const char *);
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CREDENTIALS cred;
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int r;
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printf("[ Trying %s ... ]\r\n", name);
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if (!UserNameRequested) {
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if (auth_debug_mode) {
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printf("Kerberos V4: no user name supplied\r\n");
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}
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return(0);
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printf("[ Trying %s ... ]\r\n", name);
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if (!UserNameRequested) {
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if (auth_debug_mode) {
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printf("Kerberos V4: no user name supplied\r\n");
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}
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return(0);
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}
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memset(instance, 0, sizeof(instance));
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memset(instance, 0, sizeof(instance));
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if (realm = krb_get_phost(RemoteHostName))
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strncpy(instance, realm, sizeof(instance));
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if (realm = krb_get_phost(RemoteHostName))
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strncpy(instance, realm, sizeof(instance));
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instance[sizeof(instance)-1] = '\0';
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instance[sizeof(instance)-1] = '\0';
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realm = dest_realm ? dest_realm : krb_realmofhost(RemoteHostName);
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realm = dest_realm ? dest_realm : krb_realmofhost(RemoteHostName);
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if (!realm) {
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printf("Kerberos V4: no realm for %s\r\n", RemoteHostName);
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return(0);
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}
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if (r = krb_mk_req(&auth, KRB_SERVICE_NAME, instance, realm, 0L)) {
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printf("mk_req failed: %s\r\n", krb_get_err_text(r));
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return(0);
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}
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if (r = krb_get_cred(KRB_SERVICE_NAME, instance, realm, &cred)) {
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printf("get_cred failed: %s\r\n", krb_get_err_text(r));
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return(0);
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}
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if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) {
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if (auth_debug_mode)
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printf("Not enough room for user name\r\n");
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return(0);
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}
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if (!realm) {
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printf("Kerberos V4: no realm for %s\r\n", RemoteHostName);
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return(0);
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}
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if (r = krb_mk_req(&auth, KRB_SERVICE_NAME, instance, realm, 0L)) {
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printf("mk_req failed: %s\r\n", krb_get_err_text(r));
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return(0);
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}
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if (r = krb_get_cred(KRB_SERVICE_NAME, instance, realm, &cred)) {
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printf("get_cred failed: %s\r\n", krb_get_err_text(r));
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return(0);
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}
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if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) {
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if (auth_debug_mode)
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printf("Sent %d bytes of authentication data\r\n", auth.length);
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if (!Data(ap, KRB_AUTH, (void *)auth.dat, auth.length)) {
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if (auth_debug_mode)
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printf("Not enough room for authentication data\r\n");
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return(0);
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}
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printf("Not enough room for user name\r\n");
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return(0);
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}
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if (auth_debug_mode)
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printf("Sent %d bytes of authentication data\r\n", auth.length);
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if (!Data(ap, KRB_AUTH, (void *)auth.dat, auth.length)) {
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if (auth_debug_mode)
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printf("Not enough room for authentication data\r\n");
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return(0);
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}
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#ifdef ENCRYPTION
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/* create challenge */
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if ((ap->way & AUTH_HOW_MASK)==AUTH_HOW_MUTUAL) {
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int i;
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/* create challenge */
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if ((ap->way & AUTH_HOW_MASK)==AUTH_HOW_MUTUAL) {
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int i;
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des_key_sched(&cred.session, sched);
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des_init_random_number_generator(&cred.session);
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des_new_random_key(&session_key);
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des_ecb_encrypt(&session_key, &session_key, sched, 0);
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des_ecb_encrypt(&session_key, &challenge, sched, 0);
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des_key_sched(&cred.session, sched);
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des_init_random_number_generator(&cred.session);
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des_new_random_key(&session_key);
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des_ecb_encrypt(&session_key, &session_key, sched, 0);
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des_ecb_encrypt(&session_key, &challenge, sched, 0);
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/*
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old code
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Some CERT Advisory thinks this is a bad thing...
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/*
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old code
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Some CERT Advisory thinks this is a bad thing...
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des_init_random_number_generator(&cred.session);
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des_new_random_key(&challenge);
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des_ecb_encrypt(&challenge, &session_key, sched, 1);
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*/
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des_init_random_number_generator(&cred.session);
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des_new_random_key(&challenge);
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des_ecb_encrypt(&challenge, &session_key, sched, 1);
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*/
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/*
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* Increment the challenge by 1, and encrypt it for
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* later comparison.
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*/
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for (i = 7; i >= 0; --i)
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/*
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* Increment the challenge by 1, and encrypt it for
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* later comparison.
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*/
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for (i = 7; i >= 0; --i)
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if(++challenge[i] != 0) /* No carry! */
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break;
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des_ecb_encrypt(&challenge, &challenge, sched, 1);
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}
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break;
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des_ecb_encrypt(&challenge, &challenge, sched, 1);
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}
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#endif
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if (auth_debug_mode) {
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printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
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printd(auth.dat, auth.length);
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printf("\r\n");
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printf("Sent Kerberos V4 credentials to server\r\n");
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}
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return(1);
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if (auth_debug_mode) {
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printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
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printd(auth.dat, auth.length);
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printf("\r\n");
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printf("Sent Kerberos V4 credentials to server\r\n");
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}
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return(1);
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}
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int
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kerberos4_send_mutual(Authenticator *ap)
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{
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return kerberos4_send("mutual KERBEROS4", ap);
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return kerberos4_send("mutual KERBEROS4", ap);
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}
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int
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kerberos4_send_oneway(Authenticator *ap)
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{
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return kerberos4_send("KERBEROS4", ap);
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return kerberos4_send("KERBEROS4", ap);
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}
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void
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kerberos4_is(ap, data, cnt)
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Authenticator *ap;
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unsigned char *data;
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int cnt;
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void
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kerberos4_is(Authenticator *ap, unsigned char *data, int cnt)
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{
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char realm[REALM_SZ];
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char instance[INST_SZ];
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int r;
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char realm[REALM_SZ];
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char instance[INST_SZ];
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int r;
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if (cnt-- < 1)
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return;
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switch (*data++) {
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case KRB_AUTH:
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if (krb_get_lrealm(realm, 1) != KSUCCESS) {
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Data(ap, KRB_REJECT, (void *)"No local V4 Realm.", -1);
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auth_finished(ap, AUTH_REJECT);
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if (auth_debug_mode)
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printf("No local realm\r\n");
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return;
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}
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memmove((void *)auth.dat, (void *)data, auth.length = cnt);
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if (auth_debug_mode) {
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printf("Got %d bytes of authentication data\r\n", cnt);
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printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
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printd(auth.dat, auth.length);
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printf("\r\n");
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}
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k_getsockinst(0, instance); /* Telnetd uses socket 0 */
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if (r = krb_rd_req(&auth, KRB_SERVICE_NAME,
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instance, 0, &adat, "")) {
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if (auth_debug_mode)
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printf("Kerberos failed him as %s\r\n", name);
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Data(ap, KRB_REJECT, (void *)krb_get_err_text(r), -1);
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auth_finished(ap, AUTH_REJECT);
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return;
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}
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/* save the session key */
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memmove(session_key, adat.session, sizeof(adat.session));
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krb_kntoln(&adat, name);
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if (cnt-- < 1)
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return;
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switch (*data++) {
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case KRB_AUTH:
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if (krb_get_lrealm(realm, 1) != KSUCCESS) {
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Data(ap, KRB_REJECT, (void *)"No local V4 Realm.", -1);
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auth_finished(ap, AUTH_REJECT);
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if (auth_debug_mode)
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printf("No local realm\r\n");
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return;
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}
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memmove((void *)auth.dat, (void *)data, auth.length = cnt);
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if (auth_debug_mode) {
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printf("Got %d bytes of authentication data\r\n", cnt);
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printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
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printd(auth.dat, auth.length);
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printf("\r\n");
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}
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k_getsockinst(0, instance); /* Telnetd uses socket 0 */
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if (r = krb_rd_req(&auth, KRB_SERVICE_NAME,
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instance, 0, &adat, "")) {
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if (auth_debug_mode)
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printf("Kerberos failed him as %s\r\n", name);
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Data(ap, KRB_REJECT, (void *)krb_get_err_text(r), -1);
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auth_finished(ap, AUTH_REJECT);
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return;
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}
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/* save the session key */
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memmove(session_key, adat.session, sizeof(adat.session));
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krb_kntoln(&adat, name);
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if (UserNameRequested && !kuserok(&adat, UserNameRequested))
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Data(ap, KRB_ACCEPT, (void *)0, 0);
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else {
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char *msg = malloc(ANAME_SZ + 1 + INST_SZ +
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||||
REALM_SZ +
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strlen(UserNameRequested) + 80);
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if (UserNameRequested && !kuserok(&adat, UserNameRequested))
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Data(ap, KRB_ACCEPT, (void *)0, 0);
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else {
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char *msg = malloc(ANAME_SZ + 1 + INST_SZ +
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||||
REALM_SZ +
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||||
strlen(UserNameRequested) + 80);
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||||
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||||
if (msg == NULL)
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||||
Data(ap, KRB_REJECT, (void *)0, 0);
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||||
sprintf (msg, "user `%s' is not authorized to "
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||||
"login as `%s'",
|
||||
krb_unparse_name(adat.pname,
|
||||
adat.pinst,
|
||||
adat.prealm),
|
||||
UserNameRequested);
|
||||
if (msg == NULL)
|
||||
Data(ap, KRB_REJECT, (void *)0, 0);
|
||||
sprintf (msg, "user `%s' is not authorized to "
|
||||
"login as `%s'",
|
||||
krb_unparse_name(adat.pname,
|
||||
adat.pinst,
|
||||
adat.prealm),
|
||||
UserNameRequested);
|
||||
|
||||
Data(ap, KRB_REJECT, (void *)msg, -1);
|
||||
free(msg);
|
||||
}
|
||||
auth_finished(ap, AUTH_USER);
|
||||
break;
|
||||
Data(ap, KRB_REJECT, (void *)msg, -1);
|
||||
free(msg);
|
||||
}
|
||||
auth_finished(ap, AUTH_USER);
|
||||
break;
|
||||
|
||||
case KRB_CHALLENGE:
|
||||
case KRB_CHALLENGE:
|
||||
#ifndef ENCRYPTION
|
||||
Data(ap, KRB_RESPONSE, (void *)0, 0);
|
||||
Data(ap, KRB_RESPONSE, (void *)0, 0);
|
||||
#else
|
||||
if(!VALIDKEY(session_key)){
|
||||
if(!VALIDKEY(session_key)){
|
||||
Data(ap, KRB_RESPONSE, NULL, 0);
|
||||
break;
|
||||
}
|
||||
des_key_sched(&session_key, sched);
|
||||
{
|
||||
}
|
||||
des_key_sched(&session_key, sched);
|
||||
{
|
||||
des_cblock d_block;
|
||||
int i;
|
||||
Session_Key skey;
|
||||
@@ -352,200 +343,190 @@ kerberos4_is(ap, data, cnt)
|
||||
/* decrypt challenge, add one and encrypt it */
|
||||
des_ecb_encrypt(&d_block, &challenge, sched, 0);
|
||||
for (i = 7; i >= 0; i--)
|
||||
if(++challenge[i] != 0)
|
||||
break;
|
||||
if(++challenge[i] != 0)
|
||||
break;
|
||||
des_ecb_encrypt(&challenge, &challenge, sched, 1);
|
||||
Data(ap, KRB_RESPONSE, (void *)challenge, sizeof(challenge));
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
default:
|
||||
if (auth_debug_mode)
|
||||
printf("Unknown Kerberos option %d\r\n", data[-1]);
|
||||
Data(ap, KRB_REJECT, 0, 0);
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
default:
|
||||
if (auth_debug_mode)
|
||||
printf("Unknown Kerberos option %d\r\n", data[-1]);
|
||||
Data(ap, KRB_REJECT, 0, 0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
kerberos4_reply(ap, data, cnt)
|
||||
Authenticator *ap;
|
||||
unsigned char *data;
|
||||
int cnt;
|
||||
void
|
||||
kerberos4_reply(Authenticator *ap, unsigned char *data, int cnt)
|
||||
{
|
||||
Session_Key skey;
|
||||
Session_Key skey;
|
||||
|
||||
if (cnt-- < 1)
|
||||
return;
|
||||
switch (*data++) {
|
||||
case KRB_REJECT:
|
||||
if (cnt > 0) {
|
||||
printf("[ Kerberos V4 refuses authentication because %.*s ]\r\n",
|
||||
cnt, data);
|
||||
} else
|
||||
printf("[ Kerberos V4 refuses authentication ]\r\n");
|
||||
auth_send_retry();
|
||||
return;
|
||||
case KRB_ACCEPT:
|
||||
printf("[ Kerberos V4 accepts you ]\r\n");
|
||||
if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) {
|
||||
/*
|
||||
* Send over the encrypted challenge.
|
||||
*/
|
||||
Data(ap, KRB_CHALLENGE, session_key,
|
||||
sizeof(session_key));
|
||||
if (cnt-- < 1)
|
||||
return;
|
||||
switch (*data++) {
|
||||
case KRB_REJECT:
|
||||
if (cnt > 0) {
|
||||
printf("[ Kerberos V4 refuses authentication because %.*s ]\r\n",
|
||||
cnt, data);
|
||||
} else
|
||||
printf("[ Kerberos V4 refuses authentication ]\r\n");
|
||||
auth_send_retry();
|
||||
return;
|
||||
case KRB_ACCEPT:
|
||||
printf("[ Kerberos V4 accepts you ]\r\n");
|
||||
if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) {
|
||||
/*
|
||||
* Send over the encrypted challenge.
|
||||
*/
|
||||
Data(ap, KRB_CHALLENGE, session_key,
|
||||
sizeof(session_key));
|
||||
#ifdef ENCRYPTION
|
||||
des_ecb_encrypt(&session_key, &session_key, sched, 1);
|
||||
skey.type = SK_DES;
|
||||
skey.length = 8;
|
||||
skey.data = session_key;
|
||||
encrypt_session_key(&skey, 0);
|
||||
des_ecb_encrypt(&session_key, &session_key, sched, 1);
|
||||
skey.type = SK_DES;
|
||||
skey.length = 8;
|
||||
skey.data = session_key;
|
||||
encrypt_session_key(&skey, 0);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
auth_finished(ap, AUTH_USER);
|
||||
return;
|
||||
case KRB_RESPONSE:
|
||||
/* make sure the response is correct */
|
||||
if ((cnt != sizeof(des_cblock)) ||
|
||||
(memcmp(data, challenge, sizeof(challenge)))){
|
||||
return;
|
||||
}
|
||||
auth_finished(ap, AUTH_USER);
|
||||
return;
|
||||
case KRB_RESPONSE:
|
||||
/* make sure the response is correct */
|
||||
if ((cnt != sizeof(des_cblock)) ||
|
||||
(memcmp(data, challenge, sizeof(challenge)))){
|
||||
printf("[ Kerberos V4 challenge failed!!! ]\r\n");
|
||||
auth_send_retry();
|
||||
return;
|
||||
}
|
||||
printf("[ Kerberos V4 challenge successful ]\r\n");
|
||||
auth_finished(ap, AUTH_USER);
|
||||
break;
|
||||
default:
|
||||
if (auth_debug_mode)
|
||||
printf("Unknown Kerberos option %d\r\n", data[-1]);
|
||||
return;
|
||||
}
|
||||
printf("[ Kerberos V4 challenge successful ]\r\n");
|
||||
auth_finished(ap, AUTH_USER);
|
||||
break;
|
||||
default:
|
||||
if (auth_debug_mode)
|
||||
printf("Unknown Kerberos option %d\r\n", data[-1]);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
kerberos4_status(ap, name, level)
|
||||
Authenticator *ap;
|
||||
char *name;
|
||||
int level;
|
||||
int
|
||||
kerberos4_status(Authenticator *ap, char *name, int level)
|
||||
{
|
||||
if (level < AUTH_USER)
|
||||
return(level);
|
||||
if (level < AUTH_USER)
|
||||
return(level);
|
||||
|
||||
if (UserNameRequested && !kuserok(&adat, UserNameRequested)) {
|
||||
strcpy(name, UserNameRequested);
|
||||
return(AUTH_VALID);
|
||||
} else
|
||||
return(AUTH_USER);
|
||||
if (UserNameRequested && !kuserok(&adat, UserNameRequested)) {
|
||||
strcpy(name, UserNameRequested);
|
||||
return(AUTH_VALID);
|
||||
} else
|
||||
return(AUTH_USER);
|
||||
}
|
||||
|
||||
#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);}
|
||||
#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);}
|
||||
|
||||
void
|
||||
kerberos4_printsub(data, cnt, buf, buflen)
|
||||
unsigned char *data, *buf;
|
||||
int cnt, buflen;
|
||||
void
|
||||
kerberos4_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen)
|
||||
{
|
||||
char lbuf[32];
|
||||
register int i;
|
||||
char lbuf[32];
|
||||
register int i;
|
||||
|
||||
buf[buflen-1] = '\0'; /* make sure its NULL terminated */
|
||||
buflen -= 1;
|
||||
buf[buflen-1] = '\0'; /* make sure its NULL terminated */
|
||||
buflen -= 1;
|
||||
|
||||
switch(data[3]) {
|
||||
case KRB_REJECT: /* Rejected (reason might follow) */
|
||||
strncpy((char *)buf, " REJECT ", buflen);
|
||||
goto common;
|
||||
switch(data[3]) {
|
||||
case KRB_REJECT: /* Rejected (reason might follow) */
|
||||
strncpy((char *)buf, " REJECT ", buflen);
|
||||
goto common;
|
||||
|
||||
case KRB_ACCEPT: /* Accepted (name might follow) */
|
||||
strncpy((char *)buf, " ACCEPT ", buflen);
|
||||
common:
|
||||
BUMP(buf, buflen);
|
||||
if (cnt <= 4)
|
||||
break;
|
||||
ADDC(buf, buflen, '"');
|
||||
for (i = 4; i < cnt; i++)
|
||||
ADDC(buf, buflen, data[i]);
|
||||
ADDC(buf, buflen, '"');
|
||||
ADDC(buf, buflen, '\0');
|
||||
break;
|
||||
case KRB_ACCEPT: /* Accepted (name might follow) */
|
||||
strncpy((char *)buf, " ACCEPT ", buflen);
|
||||
common:
|
||||
BUMP(buf, buflen);
|
||||
if (cnt <= 4)
|
||||
break;
|
||||
ADDC(buf, buflen, '"');
|
||||
for (i = 4; i < cnt; i++)
|
||||
ADDC(buf, buflen, data[i]);
|
||||
ADDC(buf, buflen, '"');
|
||||
ADDC(buf, buflen, '\0');
|
||||
break;
|
||||
|
||||
case KRB_AUTH: /* Authentication data follows */
|
||||
strncpy((char *)buf, " AUTH", buflen);
|
||||
goto common2;
|
||||
case KRB_AUTH: /* Authentication data follows */
|
||||
strncpy((char *)buf, " AUTH", buflen);
|
||||
goto common2;
|
||||
|
||||
case KRB_CHALLENGE:
|
||||
strncpy((char *)buf, " CHALLENGE", buflen);
|
||||
goto common2;
|
||||
case KRB_CHALLENGE:
|
||||
strncpy((char *)buf, " CHALLENGE", buflen);
|
||||
goto common2;
|
||||
|
||||
case KRB_RESPONSE:
|
||||
strncpy((char *)buf, " RESPONSE", buflen);
|
||||
goto common2;
|
||||
case KRB_RESPONSE:
|
||||
strncpy((char *)buf, " RESPONSE", buflen);
|
||||
goto common2;
|
||||
|
||||
default:
|
||||
sprintf(lbuf, " %d (unknown)", data[3]);
|
||||
strncpy((char *)buf, lbuf, buflen);
|
||||
common2:
|
||||
BUMP(buf, buflen);
|
||||
for (i = 4; i < cnt; i++) {
|
||||
sprintf(lbuf, " %d", data[i]);
|
||||
strncpy((char *)buf, lbuf, buflen);
|
||||
BUMP(buf, buflen);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
sprintf(lbuf, " %d (unknown)", data[3]);
|
||||
strncpy((char *)buf, lbuf, buflen);
|
||||
common2:
|
||||
BUMP(buf, buflen);
|
||||
for (i = 4; i < cnt; i++) {
|
||||
sprintf(lbuf, " %d", data[i]);
|
||||
strncpy((char *)buf, lbuf, buflen);
|
||||
BUMP(buf, buflen);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
kerberos4_cksum(d, n)
|
||||
unsigned char *d;
|
||||
int n;
|
||||
int
|
||||
kerberos4_cksum(unsigned char *d, int n)
|
||||
{
|
||||
int ck = 0;
|
||||
int ck = 0;
|
||||
|
||||
/*
|
||||
* A comment is probably needed here for those not
|
||||
* well versed in the "C" language. Yes, this is
|
||||
* supposed to be a "switch" with the body of the
|
||||
* "switch" being a "while" statement. The whole
|
||||
* purpose of the switch is to allow us to jump into
|
||||
* the middle of the while() loop, and then not have
|
||||
* to do any more switch()s.
|
||||
*
|
||||
* Some compilers will spit out a warning message
|
||||
* about the loop not being entered at the top.
|
||||
*/
|
||||
switch (n&03)
|
||||
/*
|
||||
* A comment is probably needed here for those not
|
||||
* well versed in the "C" language. Yes, this is
|
||||
* supposed to be a "switch" with the body of the
|
||||
* "switch" being a "while" statement. The whole
|
||||
* purpose of the switch is to allow us to jump into
|
||||
* the middle of the while() loop, and then not have
|
||||
* to do any more switch()s.
|
||||
*
|
||||
* Some compilers will spit out a warning message
|
||||
* about the loop not being entered at the top.
|
||||
*/
|
||||
switch (n&03)
|
||||
while (n > 0) {
|
||||
case 0:
|
||||
ck ^= (int)*d++ << 24;
|
||||
--n;
|
||||
ck ^= (int)*d++ << 24;
|
||||
--n;
|
||||
case 3:
|
||||
ck ^= (int)*d++ << 16;
|
||||
--n;
|
||||
ck ^= (int)*d++ << 16;
|
||||
--n;
|
||||
case 2:
|
||||
ck ^= (int)*d++ << 8;
|
||||
--n;
|
||||
ck ^= (int)*d++ << 8;
|
||||
--n;
|
||||
case 1:
|
||||
ck ^= (int)*d++;
|
||||
--n;
|
||||
ck ^= (int)*d++;
|
||||
--n;
|
||||
}
|
||||
return(ck);
|
||||
return(ck);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef notdef
|
||||
|
||||
prkey(msg, key)
|
||||
char *msg;
|
||||
unsigned char *key;
|
||||
char *msg;
|
||||
unsigned char *key;
|
||||
{
|
||||
register int i;
|
||||
printf("%s:", msg);
|
||||
for (i = 0; i < 8; i++)
|
||||
printf(" %3d", key[i]);
|
||||
printf("\r\n");
|
||||
register int i;
|
||||
printf("%s:", msg);
|
||||
for (i = 0; i < 8; i++)
|
||||
printf(" %3d", key[i]);
|
||||
printf("\r\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -45,53 +45,45 @@ char *LocalHostName;
|
||||
char *UserNameRequested = 0;
|
||||
int ConnectedCount = 0;
|
||||
|
||||
void
|
||||
auth_encrypt_init(local, remote, name, server)
|
||||
char *local;
|
||||
char *remote;
|
||||
char *name;
|
||||
int server;
|
||||
void
|
||||
auth_encrypt_init(char *local, char *remote, char *name, int server)
|
||||
{
|
||||
RemoteHostName = remote;
|
||||
LocalHostName = local;
|
||||
RemoteHostName = remote;
|
||||
LocalHostName = local;
|
||||
#if defined(AUTHENTICATION)
|
||||
auth_init(name, server);
|
||||
auth_init(name, server);
|
||||
#endif
|
||||
#if defined(ENCRYPTION)
|
||||
encrypt_init(name, server);
|
||||
encrypt_init(name, server);
|
||||
#endif
|
||||
if (UserNameRequested) {
|
||||
free(UserNameRequested);
|
||||
UserNameRequested = 0;
|
||||
}
|
||||
if (UserNameRequested) {
|
||||
free(UserNameRequested);
|
||||
UserNameRequested = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
auth_encrypt_user(name)
|
||||
char *name;
|
||||
void
|
||||
auth_encrypt_user(char *name)
|
||||
{
|
||||
extern char *strdup();
|
||||
extern char *strdup(const char *);
|
||||
|
||||
if (UserNameRequested)
|
||||
free(UserNameRequested);
|
||||
UserNameRequested = name ? strdup(name) : 0;
|
||||
if (UserNameRequested)
|
||||
free(UserNameRequested);
|
||||
UserNameRequested = name ? strdup(name) : 0;
|
||||
}
|
||||
|
||||
void
|
||||
auth_encrypt_connect(cnt)
|
||||
int cnt;
|
||||
void
|
||||
auth_encrypt_connect(int cnt)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
printd(data, cnt)
|
||||
unsigned char *data;
|
||||
int cnt;
|
||||
void
|
||||
printd(unsigned char *data, int cnt)
|
||||
{
|
||||
if (cnt > 16)
|
||||
cnt = 16;
|
||||
while (cnt-- > 0) {
|
||||
printf(" %02x", *data);
|
||||
++data;
|
||||
}
|
||||
if (cnt > 16)
|
||||
cnt = 16;
|
||||
while (cnt-- > 0) {
|
||||
printf(" %02x", *data);
|
||||
++data;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user