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Protoize

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@992 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1996-11-17 00:04:20 +00:00
parent 6ffcd51d18
commit 74c0bb16f5
4 changed files with 952 additions and 979 deletions
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1158
appl/telnet/libtelnet/encrypt.c
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File diff suppressed because it is too large Load Diff

78
appl/telnet/libtelnet/genget.c
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@@ -46,58 +46,58 @@ static char sccsid[] = "@(#)genget.c 8.2 (Berkeley) 5/30/95";
* the length of *s1 is returned. * the length of *s1 is returned.
*/ */
int isprefix(char *s1, char *s2) int
isprefix(char *s1, char *s2)
{ {
char *os1; char *os1;
register char c1, c2; register char c1, c2;
if (*s1 == '\0') if (*s1 == '\0')
return(-1); return(-1);
os1 = s1; os1 = s1;
c1 = *s1; c1 = *s1;
c2 = *s2; c2 = *s2;
while (LOWER(c1) == LOWER(c2)) { while (LOWER(c1) == LOWER(c2)) {
if (c1 == '\0') if (c1 == '\0')
break; break;
c1 = *++s1; c1 = *++s1;
c2 = *++s2; c2 = *++s2;
} }
return(*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1))); return(*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
} }
static char *ambiguous; /* special return value for command routines */ static char *ambiguous; /* special return value for command routines */
char ** char **
genget(name, table, stlen) genget(char *name, char **table, int stlen)
char *name; /* name to match */ /* name to match */
char **table; /* name entry in table */ /* name entry in table */
int stlen;
{ {
register char **c, **found; register char **c, **found;
register int n; register int n;
if (name == 0) if (name == 0)
return 0; return 0;
found = 0; found = 0;
for (c = table; *c != 0; c = (char **)((char *)c + stlen)) { for (c = table; *c != 0; c = (char **)((char *)c + stlen)) {
if ((n = isprefix(name, *c)) == 0) if ((n = isprefix(name, *c)) == 0)
continue; continue;
if (n < 0) /* exact match */ if (n < 0) /* exact match */
return(c); return(c);
if (found) if (found)
return(&ambiguous); return(&ambiguous);
found = c; found = c;
} }
return(found); return(found);
} }
/* /*
* Function call version of Ambiguous() * Function call version of Ambiguous()
*/ */
int int
Ambiguous(s) Ambiguous(char *s)
char *s;
{ {
return((char **)s == &ambiguous); return((char **)s == &ambiguous);
} }

635
appl/telnet/libtelnet/kerberos.c
View File

@@ -103,57 +103,51 @@ static des_cblock session_key;
static des_key_schedule sched; static des_key_schedule sched;
static des_cblock challenge; static des_cblock challenge;
static int static int
Data(ap, type, d, c) Data(Authenticator *ap, int type, void *d, int c)
Authenticator *ap;
int type;
void *d;
int c;
{ {
unsigned char *p = str_data + 4; unsigned char *p = str_data + 4;
unsigned char *cd = (unsigned char *)d; unsigned char *cd = (unsigned char *)d;
if (c == -1) if (c == -1)
c = strlen((char *)cd); c = strlen((char *)cd);
if (auth_debug_mode) { if (auth_debug_mode) {
printf("%s:%d: [%d] (%d)", printf("%s:%d: [%d] (%d)",
str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY",
str_data[3], str_data[3],
type, c); type, c);
printd(d, c); printd(d, c);
printf("\r\n"); printf("\r\n");
} }
*p++ = ap->type; *p++ = ap->type;
*p++ = ap->way; *p++ = ap->way;
*p++ = type; *p++ = type;
while (c-- > 0) { while (c-- > 0) {
if ((*p++ = *cd++) == IAC) if ((*p++ = *cd++) == IAC)
*p++ = IAC; *p++ = IAC;
} }
*p++ = IAC; *p++ = IAC;
*p++ = SE; *p++ = SE;
if (str_data[3] == TELQUAL_IS) if (str_data[3] == TELQUAL_IS)
printsub('>', &str_data[2], p - (&str_data[2])); printsub('>', &str_data[2], p - (&str_data[2]));
return(net_write(str_data, p - str_data)); return(net_write(str_data, p - str_data));
} }
int int
kerberos4_init(ap, server) kerberos4_init(Authenticator *ap, int server)
Authenticator *ap;
int server;
{ {
FILE *fp; FILE *fp;
if (server) { if (server) {
str_data[3] = TELQUAL_REPLY; str_data[3] = TELQUAL_REPLY;
if ((fp = fopen(KEYFILE, "r")) == NULL) if ((fp = fopen(KEYFILE, "r")) == NULL)
return(0); return(0);
fclose(fp); fclose(fp);
} else { } else {
str_data[3] = TELQUAL_IS; str_data[3] = TELQUAL_IS;
} }
return(1); return(1);
} }
char dst_realm_buf[REALM_SZ], *dest_realm = NULL; char dst_realm_buf[REALM_SZ], *dest_realm = NULL;
@@ -162,180 +156,177 @@ int dst_realm_sz = REALM_SZ;
static int static int
kerberos4_send(char *name, Authenticator *ap) kerberos4_send(char *name, Authenticator *ap)
{ {
KTEXT_ST auth; KTEXT_ST auth;
char instance[INST_SZ]; char instance[INST_SZ];
char *realm; char *realm;
char *krb_realmofhost(); char *krb_realmofhost(const char *);
char *krb_get_phost(); char *krb_get_phost(const char *);
CREDENTIALS cred; CREDENTIALS cred;
int r; int r;
printf("[ Trying %s ... ]\r\n", name); printf("[ Trying %s ... ]\r\n", name);
if (!UserNameRequested) { if (!UserNameRequested) {
if (auth_debug_mode) { if (auth_debug_mode) {
printf("Kerberos V4: no user name supplied\r\n"); printf("Kerberos V4: no user name supplied\r\n");
}
return(0);
} }
return(0);
}
memset(instance, 0, sizeof(instance)); memset(instance, 0, sizeof(instance));
if (realm = krb_get_phost(RemoteHostName)) if (realm = krb_get_phost(RemoteHostName))
strncpy(instance, realm, sizeof(instance)); strncpy(instance, realm, sizeof(instance));
instance[sizeof(instance)-1] = '\0'; instance[sizeof(instance)-1] = '\0';
realm = dest_realm ? dest_realm : krb_realmofhost(RemoteHostName); realm = dest_realm ? dest_realm : krb_realmofhost(RemoteHostName);
if (!realm) { if (!realm) {
printf("Kerberos V4: no realm for %s\r\n", RemoteHostName); printf("Kerberos V4: no realm for %s\r\n", RemoteHostName);
return(0); return(0);
} }
if (r = krb_mk_req(&auth, KRB_SERVICE_NAME, instance, realm, 0L)) { if (r = krb_mk_req(&auth, KRB_SERVICE_NAME, instance, realm, 0L)) {
printf("mk_req failed: %s\r\n", krb_get_err_text(r)); printf("mk_req failed: %s\r\n", krb_get_err_text(r));
return(0); return(0);
} }
if (r = krb_get_cred(KRB_SERVICE_NAME, instance, realm, &cred)) { if (r = krb_get_cred(KRB_SERVICE_NAME, instance, realm, &cred)) {
printf("get_cred failed: %s\r\n", krb_get_err_text(r)); printf("get_cred failed: %s\r\n", krb_get_err_text(r));
return(0); return(0);
} }
if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) {
if (auth_debug_mode)
printf("Not enough room for user name\r\n");
return(0);
}
if (auth_debug_mode) if (auth_debug_mode)
printf("Sent %d bytes of authentication data\r\n", auth.length); printf("Not enough room for user name\r\n");
if (!Data(ap, KRB_AUTH, (void *)auth.dat, auth.length)) { return(0);
if (auth_debug_mode) }
printf("Not enough room for authentication data\r\n"); if (auth_debug_mode)
return(0); printf("Sent %d bytes of authentication data\r\n", auth.length);
} if (!Data(ap, KRB_AUTH, (void *)auth.dat, auth.length)) {
if (auth_debug_mode)
printf("Not enough room for authentication data\r\n");
return(0);
}
#ifdef ENCRYPTION #ifdef ENCRYPTION
/* create challenge */ /* create challenge */
if ((ap->way & AUTH_HOW_MASK)==AUTH_HOW_MUTUAL) { if ((ap->way & AUTH_HOW_MASK)==AUTH_HOW_MUTUAL) {
int i; int i;
des_key_sched(&cred.session, sched); des_key_sched(&cred.session, sched);
des_init_random_number_generator(&cred.session); des_init_random_number_generator(&cred.session);
des_new_random_key(&session_key); des_new_random_key(&session_key);
des_ecb_encrypt(&session_key, &session_key, sched, 0); des_ecb_encrypt(&session_key, &session_key, sched, 0);
des_ecb_encrypt(&session_key, &challenge, sched, 0); des_ecb_encrypt(&session_key, &challenge, sched, 0);
/* /*
old code old code
Some CERT Advisory thinks this is a bad thing... Some CERT Advisory thinks this is a bad thing...
des_init_random_number_generator(&cred.session); des_init_random_number_generator(&cred.session);
des_new_random_key(&challenge); des_new_random_key(&challenge);
des_ecb_encrypt(&challenge, &session_key, sched, 1); des_ecb_encrypt(&challenge, &session_key, sched, 1);
*/ */
/* /*
* Increment the challenge by 1, and encrypt it for * Increment the challenge by 1, and encrypt it for
* later comparison. * later comparison.
*/ */
for (i = 7; i >= 0; --i) for (i = 7; i >= 0; --i)
if(++challenge[i] != 0) /* No carry! */ if(++challenge[i] != 0) /* No carry! */
break; break;
des_ecb_encrypt(&challenge, &challenge, sched, 1); des_ecb_encrypt(&challenge, &challenge, sched, 1);
} }
#endif #endif
if (auth_debug_mode) { if (auth_debug_mode) {
printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length)); printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
printd(auth.dat, auth.length); printd(auth.dat, auth.length);
printf("\r\n"); printf("\r\n");
printf("Sent Kerberos V4 credentials to server\r\n"); printf("Sent Kerberos V4 credentials to server\r\n");
} }
return(1); return(1);
} }
int int
kerberos4_send_mutual(Authenticator *ap) kerberos4_send_mutual(Authenticator *ap)
{ {
return kerberos4_send("mutual KERBEROS4", ap); return kerberos4_send("mutual KERBEROS4", ap);
} }
int int
kerberos4_send_oneway(Authenticator *ap) kerberos4_send_oneway(Authenticator *ap)
{ {
return kerberos4_send("KERBEROS4", ap); return kerberos4_send("KERBEROS4", ap);
} }
void void
kerberos4_is(ap, data, cnt) kerberos4_is(Authenticator *ap, unsigned char *data, int cnt)
Authenticator *ap;
unsigned char *data;
int cnt;
{ {
char realm[REALM_SZ]; char realm[REALM_SZ];
char instance[INST_SZ]; char instance[INST_SZ];
int r; int r;
if (cnt-- < 1) if (cnt-- < 1)
return; return;
switch (*data++) { switch (*data++) {
case KRB_AUTH: case KRB_AUTH:
if (krb_get_lrealm(realm, 1) != KSUCCESS) { if (krb_get_lrealm(realm, 1) != KSUCCESS) {
Data(ap, KRB_REJECT, (void *)"No local V4 Realm.", -1); Data(ap, KRB_REJECT, (void *)"No local V4 Realm.", -1);
auth_finished(ap, AUTH_REJECT); auth_finished(ap, AUTH_REJECT);
if (auth_debug_mode) if (auth_debug_mode)
printf("No local realm\r\n"); printf("No local realm\r\n");
return; return;
} }
memmove((void *)auth.dat, (void *)data, auth.length = cnt); memmove((void *)auth.dat, (void *)data, auth.length = cnt);
if (auth_debug_mode) { if (auth_debug_mode) {
printf("Got %d bytes of authentication data\r\n", cnt); printf("Got %d bytes of authentication data\r\n", cnt);
printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length)); printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length));
printd(auth.dat, auth.length); printd(auth.dat, auth.length);
printf("\r\n"); printf("\r\n");
} }
k_getsockinst(0, instance); /* Telnetd uses socket 0 */ k_getsockinst(0, instance); /* Telnetd uses socket 0 */
if (r = krb_rd_req(&auth, KRB_SERVICE_NAME, if (r = krb_rd_req(&auth, KRB_SERVICE_NAME,
instance, 0, &adat, "")) { instance, 0, &adat, "")) {
if (auth_debug_mode) if (auth_debug_mode)
printf("Kerberos failed him as %s\r\n", name); printf("Kerberos failed him as %s\r\n", name);
Data(ap, KRB_REJECT, (void *)krb_get_err_text(r), -1); Data(ap, KRB_REJECT, (void *)krb_get_err_text(r), -1);
auth_finished(ap, AUTH_REJECT); auth_finished(ap, AUTH_REJECT);
return; return;
} }
/* save the session key */ /* save the session key */
memmove(session_key, adat.session, sizeof(adat.session)); memmove(session_key, adat.session, sizeof(adat.session));
krb_kntoln(&adat, name); krb_kntoln(&adat, name);
if (UserNameRequested && !kuserok(&adat, UserNameRequested)) if (UserNameRequested && !kuserok(&adat, UserNameRequested))
Data(ap, KRB_ACCEPT, (void *)0, 0); Data(ap, KRB_ACCEPT, (void *)0, 0);
else { else {
char *msg = malloc(ANAME_SZ + 1 + INST_SZ + char *msg = malloc(ANAME_SZ + 1 + INST_SZ +
REALM_SZ + REALM_SZ +
strlen(UserNameRequested) + 80); strlen(UserNameRequested) + 80);
if (msg == NULL) if (msg == NULL)
Data(ap, KRB_REJECT, (void *)0, 0); Data(ap, KRB_REJECT, (void *)0, 0);
sprintf (msg, "user `%s' is not authorized to " sprintf (msg, "user `%s' is not authorized to "
"login as `%s'", "login as `%s'",
krb_unparse_name(adat.pname, krb_unparse_name(adat.pname,
adat.pinst, adat.pinst,
adat.prealm), adat.prealm),
UserNameRequested); UserNameRequested);
Data(ap, KRB_REJECT, (void *)msg, -1); Data(ap, KRB_REJECT, (void *)msg, -1);
free(msg); free(msg);
} }
auth_finished(ap, AUTH_USER); auth_finished(ap, AUTH_USER);
break; break;
case KRB_CHALLENGE: case KRB_CHALLENGE:
#ifndef ENCRYPTION #ifndef ENCRYPTION
Data(ap, KRB_RESPONSE, (void *)0, 0); Data(ap, KRB_RESPONSE, (void *)0, 0);
#else #else
if(!VALIDKEY(session_key)){ if(!VALIDKEY(session_key)){
Data(ap, KRB_RESPONSE, NULL, 0); Data(ap, KRB_RESPONSE, NULL, 0);
break; break;
} }
des_key_sched(&session_key, sched); des_key_sched(&session_key, sched);
{ {
des_cblock d_block; des_cblock d_block;
int i; int i;
Session_Key skey; Session_Key skey;
@@ -352,200 +343,190 @@ kerberos4_is(ap, data, cnt)
/* decrypt challenge, add one and encrypt it */ /* decrypt challenge, add one and encrypt it */
des_ecb_encrypt(&d_block, &challenge, sched, 0); des_ecb_encrypt(&d_block, &challenge, sched, 0);
for (i = 7; i >= 0; i--) for (i = 7; i >= 0; i--)
if(++challenge[i] != 0) if(++challenge[i] != 0)
break; break;
des_ecb_encrypt(&challenge, &challenge, sched, 1); des_ecb_encrypt(&challenge, &challenge, sched, 1);
Data(ap, KRB_RESPONSE, (void *)challenge, sizeof(challenge)); 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 void
kerberos4_reply(ap, data, cnt) kerberos4_reply(Authenticator *ap, unsigned char *data, int cnt)
Authenticator *ap;
unsigned char *data;
int cnt;
{ {
Session_Key skey; Session_Key skey;
if (cnt-- < 1) if (cnt-- < 1)
return; return;
switch (*data++) { switch (*data++) {
case KRB_REJECT: case KRB_REJECT:
if (cnt > 0) { if (cnt > 0) {
printf("[ Kerberos V4 refuses authentication because %.*s ]\r\n", printf("[ Kerberos V4 refuses authentication because %.*s ]\r\n",
cnt, data); cnt, data);
} else } else
printf("[ Kerberos V4 refuses authentication ]\r\n"); printf("[ Kerberos V4 refuses authentication ]\r\n");
auth_send_retry(); auth_send_retry();
return; return;
case KRB_ACCEPT: case KRB_ACCEPT:
printf("[ Kerberos V4 accepts you ]\r\n"); printf("[ Kerberos V4 accepts you ]\r\n");
if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) {
/* /*
* Send over the encrypted challenge. * Send over the encrypted challenge.
*/ */
Data(ap, KRB_CHALLENGE, session_key, Data(ap, KRB_CHALLENGE, session_key,
sizeof(session_key)); sizeof(session_key));
#ifdef ENCRYPTION #ifdef ENCRYPTION
des_ecb_encrypt(&session_key, &session_key, sched, 1); des_ecb_encrypt(&session_key, &session_key, sched, 1);
skey.type = SK_DES; skey.type = SK_DES;
skey.length = 8; skey.length = 8;
skey.data = session_key; skey.data = session_key;
encrypt_session_key(&skey, 0); encrypt_session_key(&skey, 0);
#endif #endif
return; return;
} }
auth_finished(ap, AUTH_USER); auth_finished(ap, AUTH_USER);
return; return;
case KRB_RESPONSE: case KRB_RESPONSE:
/* make sure the response is correct */ /* make sure the response is correct */
if ((cnt != sizeof(des_cblock)) || if ((cnt != sizeof(des_cblock)) ||
(memcmp(data, challenge, sizeof(challenge)))){ (memcmp(data, challenge, sizeof(challenge)))){
printf("[ Kerberos V4 challenge failed!!! ]\r\n"); printf("[ Kerberos V4 challenge failed!!! ]\r\n");
auth_send_retry(); auth_send_retry();
return; 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 int
kerberos4_status(ap, name, level) kerberos4_status(Authenticator *ap, char *name, int level)
Authenticator *ap;
char *name;
int level;
{ {
if (level < AUTH_USER) if (level < AUTH_USER)
return(level); return(level);
if (UserNameRequested && !kuserok(&adat, UserNameRequested)) { if (UserNameRequested && !kuserok(&adat, UserNameRequested)) {
strcpy(name, UserNameRequested); strcpy(name, UserNameRequested);
return(AUTH_VALID); return(AUTH_VALID);
} else } else
return(AUTH_USER); return(AUTH_USER);
} }
#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} #define BUMP(buf, len) while (*(buf)) {++(buf), --(len);}
#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} #define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);}
void void
kerberos4_printsub(data, cnt, buf, buflen) kerberos4_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen)
unsigned char *data, *buf;
int cnt, buflen;
{ {
char lbuf[32]; char lbuf[32];
register int i; register int i;
buf[buflen-1] = '\0'; /* make sure its NULL terminated */ buf[buflen-1] = '\0'; /* make sure its NULL terminated */
buflen -= 1; buflen -= 1;
switch(data[3]) { switch(data[3]) {
case KRB_REJECT: /* Rejected (reason might follow) */ case KRB_REJECT: /* Rejected (reason might follow) */
strncpy((char *)buf, " REJECT ", buflen); strncpy((char *)buf, " REJECT ", buflen);
goto common; goto common;
case KRB_ACCEPT: /* Accepted (name might follow) */ case KRB_ACCEPT: /* Accepted (name might follow) */
strncpy((char *)buf, " ACCEPT ", buflen); strncpy((char *)buf, " ACCEPT ", buflen);
common: common:
BUMP(buf, buflen); BUMP(buf, buflen);
if (cnt <= 4) if (cnt <= 4)
break; break;
ADDC(buf, buflen, '"'); ADDC(buf, buflen, '"');
for (i = 4; i < cnt; i++) for (i = 4; i < cnt; i++)
ADDC(buf, buflen, data[i]); ADDC(buf, buflen, data[i]);
ADDC(buf, buflen, '"'); ADDC(buf, buflen, '"');
ADDC(buf, buflen, '\0'); ADDC(buf, buflen, '\0');
break; break;
case KRB_AUTH: /* Authentication data follows */ case KRB_AUTH: /* Authentication data follows */
strncpy((char *)buf, " AUTH", buflen); strncpy((char *)buf, " AUTH", buflen);
goto common2; goto common2;
case KRB_CHALLENGE: case KRB_CHALLENGE:
strncpy((char *)buf, " CHALLENGE", buflen); strncpy((char *)buf, " CHALLENGE", buflen);
goto common2; goto common2;
case KRB_RESPONSE: case KRB_RESPONSE:
strncpy((char *)buf, " RESPONSE", buflen); strncpy((char *)buf, " RESPONSE", buflen);
goto common2; goto common2;
default: default:
sprintf(lbuf, " %d (unknown)", data[3]); sprintf(lbuf, " %d (unknown)", data[3]);
strncpy((char *)buf, lbuf, buflen); strncpy((char *)buf, lbuf, buflen);
common2: common2:
BUMP(buf, buflen); BUMP(buf, buflen);
for (i = 4; i < cnt; i++) { for (i = 4; i < cnt; i++) {
sprintf(lbuf, " %d", data[i]); sprintf(lbuf, " %d", data[i]);
strncpy((char *)buf, lbuf, buflen); strncpy((char *)buf, lbuf, buflen);
BUMP(buf, buflen); BUMP(buf, buflen);
}
break;
} }
break;
}
} }
int int
kerberos4_cksum(d, n) kerberos4_cksum(unsigned char *d, int n)
unsigned char *d;
int n;
{ {
int ck = 0; int ck = 0;
/* /*
* A comment is probably needed here for those not * A comment is probably needed here for those not
* well versed in the "C" language. Yes, this is * well versed in the "C" language. Yes, this is
* supposed to be a "switch" with the body of the * supposed to be a "switch" with the body of the
* "switch" being a "while" statement. The whole * "switch" being a "while" statement. The whole
* purpose of the switch is to allow us to jump into * purpose of the switch is to allow us to jump into
* the middle of the while() loop, and then not have * the middle of the while() loop, and then not have
* to do any more switch()s. * to do any more switch()s.
* *
* Some compilers will spit out a warning message * Some compilers will spit out a warning message
* about the loop not being entered at the top. * about the loop not being entered at the top.
*/ */
switch (n&03) switch (n&03)
while (n > 0) { while (n > 0) {
case 0: case 0:
ck ^= (int)*d++ << 24; ck ^= (int)*d++ << 24;
--n; --n;
case 3: case 3:
ck ^= (int)*d++ << 16; ck ^= (int)*d++ << 16;
--n; --n;
case 2: case 2:
ck ^= (int)*d++ << 8; ck ^= (int)*d++ << 8;
--n; --n;
case 1: case 1:
ck ^= (int)*d++; ck ^= (int)*d++;
--n; --n;
} }
return(ck); return(ck);
} }
#endif #endif
#ifdef notdef #ifdef notdef
prkey(msg, key) prkey(msg, key)
char *msg; char *msg;
unsigned char *key; unsigned char *key;
{ {
register int i; register int i;
printf("%s:", msg); printf("%s:", msg);
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
printf(" %3d", key[i]); printf(" %3d", key[i]);
printf("\r\n"); printf("\r\n");
} }
#endif #endif

60
appl/telnet/libtelnet/misc.c
View File

@@ -45,53 +45,45 @@ char *LocalHostName;
char *UserNameRequested = 0; char *UserNameRequested = 0;
int ConnectedCount = 0; int ConnectedCount = 0;
void void
auth_encrypt_init(local, remote, name, server) auth_encrypt_init(char *local, char *remote, char *name, int server)
char *local;
char *remote;
char *name;
int server;
{ {
RemoteHostName = remote; RemoteHostName = remote;
LocalHostName = local; LocalHostName = local;
#if defined(AUTHENTICATION) #if defined(AUTHENTICATION)
auth_init(name, server); auth_init(name, server);
#endif #endif
#if defined(ENCRYPTION) #if defined(ENCRYPTION)
encrypt_init(name, server); encrypt_init(name, server);
#endif #endif
if (UserNameRequested) { if (UserNameRequested) {
free(UserNameRequested); free(UserNameRequested);
UserNameRequested = 0; UserNameRequested = 0;
} }
} }
void void
auth_encrypt_user(name) auth_encrypt_user(char *name)
char *name;
{ {
extern char *strdup(); extern char *strdup(const char *);
if (UserNameRequested) if (UserNameRequested)
free(UserNameRequested); free(UserNameRequested);
UserNameRequested = name ? strdup(name) : 0; UserNameRequested = name ? strdup(name) : 0;
} }
void void
auth_encrypt_connect(cnt) auth_encrypt_connect(int cnt)
int cnt;
{ {
} }
void void
printd(data, cnt) printd(unsigned char *data, int cnt)
unsigned char *data;
int cnt;
{ {
if (cnt > 16) if (cnt > 16)
cnt = 16; cnt = 16;
while (cnt-- > 0) { while (cnt-- > 0) {
printf(" %02x", *data); printf(" %02x", *data);
++data; ++data;
} }
} }