1 files changed, 194 insertions, 0 deletions

diff --git a/other/openssh-reverse/radix.c b/other/openssh-reverse/radix.c
new file mode 100644
index 0000000..7e668ea
--- /dev/null
+++ b/other/openssh-reverse/radix.c
@@ -0,0 +1,194 @@
+/*
+ *   radix.c
+ *
+ *   Dug Song <dugsong@UMICH.EDU>
+ */
+
+#include "includes.h"
+#include "uuencode.h"
+
+RCSID("$OpenBSD: radix.c,v 1.12 2000/06/22 23:55:00 djm Exp $");
+
+#ifdef AFS
+#include <krb.h>
+
+typedef unsigned char my_u_char;
+typedef unsigned int my_u_int32_t;
+typedef unsigned short my_u_short;
+
+/* Nasty macros from BIND-4.9.2 */
+
+#define GETSHORT(s, cp) { \
+        register my_u_char *t_cp = (my_u_char*)(cp); \
+        (s) = (((my_u_short)t_cp[0]) << 8) \
+            | (((my_u_short)t_cp[1])) \
+            ; \
+        (cp) += 2; \
+}
+
+#define GETLONG(l, cp) { \
+        register my_u_char *t_cp = (my_u_char*)(cp); \
+        (l) = (((my_u_int32_t)t_cp[0]) << 24) \
+            | (((my_u_int32_t)t_cp[1]) << 16) \
+            | (((my_u_int32_t)t_cp[2]) << 8) \
+            | (((my_u_int32_t)t_cp[3])) \
+            ; \
+        (cp) += 4; \
+}
+
+#define PUTSHORT(s, cp) { \
+        register my_u_short t_s = (my_u_short)(s); \
+        register my_u_char *t_cp = (my_u_char*)(cp); \
+        *t_cp++ = t_s >> 8; \
+        *t_cp   = t_s; \
+        (cp) += 2; \
+}
+
+#define PUTLONG(l, cp) { \
+        register my_u_int32_t t_l = (my_u_int32_t)(l); \
+        register my_u_char *t_cp = (my_u_char*)(cp); \
+        *t_cp++ = t_l >> 24; \
+        *t_cp++ = t_l >> 16; \
+        *t_cp++ = t_l >> 8; \
+        *t_cp   = t_l; \
+        (cp) += 4; \
+}
+
+#define GETSTRING(s, p, p_l) {                  \
+    register char* p_targ = (p) + p_l;          \
+    register char* s_c = (s);                   \
+    register char* p_c = (p);                   \
+    while (*p_c && (p_c < p_targ)) {            \
+        *s_c++ = *p_c++;                        \
+    }                                           \
+    if (p_c == p_targ) {                        \
+        return 1;                               \
+    }                                           \
+    *s_c = *p_c++;                              \
+    (p_l) = (p_l) - (p_c - (p));                \
+    (p) = p_c;                                  \
+}
+
+
+int
+creds_to_radix(CREDENTIALS *creds, unsigned char *buf, size_t buflen)
+{
+        char *p, *s;
+        int len;
+        char temp[2048];
+
+        p = temp;
+        *p++ = 1;               /* version */
+        s = creds->service;
+        while (*s)
+                *p++ = *s++;
+        *p++ = *s;
+        s = creds->instance;
+        while (*s)
+                *p++ = *s++;
+        *p++ = *s;
+        s = creds->realm;
+        while (*s)
+                *p++ = *s++;
+        *p++ = *s;
+
+        s = creds->pname;
+        while (*s)
+                *p++ = *s++;
+        *p++ = *s;
+        s = creds->pinst;
+        while (*s)
+                *p++ = *s++;
+        *p++ = *s;
+        /* Null string to repeat the realm. */
+        *p++ = '\0';
+
+        PUTLONG(creds->issue_date, p);
+        {
+                unsigned int endTime;
+                endTime = (unsigned int) krb_life_to_time(creds->issue_date,
+                                                          creds->lifetime);
+                PUTLONG(endTime, p);
+        }
+
+        memcpy(p, &creds->session, sizeof(creds->session));
+        p += sizeof(creds->session);
+
+        PUTSHORT(creds->kvno, p);
+        PUTLONG(creds->ticket_st.length, p);
+
+        memcpy(p, creds->ticket_st.dat, creds->ticket_st.length);
+        p += creds->ticket_st.length;
+        len = p - temp;
+
+        return (uuencode((unsigned char *)temp, len, (char *)buf, buflen));
+}
+
+int
+radix_to_creds(const char *buf, CREDENTIALS *creds)
+{
+
+        char *p;
+        int len, tl;
+        char version;
+        char temp[2048];
+
+        len = uudecode(buf, (unsigned char *)temp, sizeof(temp));
+        if (len < 0)
+                return 0;
+
+        p = temp;
+
+        /* check version and length! */
+        if (len < 1)
+                return 0;
+        version = *p;
+        p++;
+        len--;
+
+        GETSTRING(creds->service, p, len);
+        GETSTRING(creds->instance, p, len);
+        GETSTRING(creds->realm, p, len);
+
+        GETSTRING(creds->pname, p, len);
+        GETSTRING(creds->pinst, p, len);
+        /* Ignore possibly different realm. */
+        while (*p && len)
+                p++, len--;
+        if (len == 0)
+                return 0;
+        p++, len--;
+
+        /* Enough space for remaining fixed-length parts? */
+        if (len < (4 + 4 + sizeof(creds->session) + 2 + 4))
+                return 0;
+
+        GETLONG(creds->issue_date, p);
+        len -= 4;
+        {
+                unsigned int endTime;
+                GETLONG(endTime, p);
+                len -= 4;
+                creds->lifetime = krb_time_to_life(creds->issue_date, endTime);
+        }
+
+        memcpy(&creds->session, p, sizeof(creds->session));
+        p += sizeof(creds->session);
+        len -= sizeof(creds->session);
+
+        GETSHORT(creds->kvno, p);
+        len -= 2;
+        GETLONG(creds->ticket_st.length, p);
+        len -= 4;
+
+        tl = creds->ticket_st.length;
+        if (tl < 0 || tl > len || tl > sizeof(creds->ticket_st.dat))
+                return 0;
+
+        memcpy(creds->ticket_st.dat, p, tl);
+        p += tl;
+        len -= tl;
+
+        return 1;
+}
+#endif /* AFS */