diff options
Diffstat (limited to 'usr/src/cmd/ssh/libssh/common/radix.c')
| -rw-r--r-- | usr/src/cmd/ssh/libssh/common/radix.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/usr/src/cmd/ssh/libssh/common/radix.c b/usr/src/cmd/ssh/libssh/common/radix.c new file mode 100644 index 0000000000..4200f71b3b --- /dev/null +++ b/usr/src/cmd/ssh/libssh/common/radix.c @@ -0,0 +1,160 @@ +/* + * Copyright (c) 1999 Dug Song. All rights reserved. + * Copyright (c) 2002 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "includes.h" +#include "uuencode.h" + +RCSID("$OpenBSD: radix.c,v 1.22 2002/09/09 14:54:15 markus Exp $"); + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef AFS +#include <krb.h> + +#include <radix.h> +#include "bufaux.h" + +int +creds_to_radix(CREDENTIALS *creds, u_char *buf, size_t buflen) +{ + Buffer b; + int ret; + + buffer_init(&b); + + buffer_put_char(&b, 1); /* version */ + + buffer_append(&b, creds->service, strlen(creds->service)); + buffer_put_char(&b, '\0'); + buffer_append(&b, creds->instance, strlen(creds->instance)); + buffer_put_char(&b, '\0'); + buffer_append(&b, creds->realm, strlen(creds->realm)); + buffer_put_char(&b, '\0'); + buffer_append(&b, creds->pname, strlen(creds->pname)); + buffer_put_char(&b, '\0'); + buffer_append(&b, creds->pinst, strlen(creds->pinst)); + buffer_put_char(&b, '\0'); + + /* Null string to repeat the realm. */ + buffer_put_char(&b, '\0'); + + buffer_put_int(&b, creds->issue_date); + buffer_put_int(&b, krb_life_to_time(creds->issue_date, + creds->lifetime)); + buffer_append(&b, creds->session, sizeof(creds->session)); + buffer_put_short(&b, creds->kvno); + + /* 32 bit size + data */ + buffer_put_string(&b, creds->ticket_st.dat, creds->ticket_st.length); + + ret = uuencode(buffer_ptr(&b), buffer_len(&b), (char *)buf, buflen); + + buffer_free(&b); + return ret; +} + +#define GETSTRING(b, t, tlen) \ + do { \ + int i, found = 0; \ + for (i = 0; i < tlen; i++) { \ + if (buffer_len(b) == 0) \ + goto done; \ + t[i] = buffer_get_char(b); \ + if (t[i] == '\0') { \ + found = 1; \ + break; \ + } \ + } \ + if (!found) \ + goto done; \ + } while(0) + +int +radix_to_creds(const char *buf, CREDENTIALS *creds) +{ + Buffer b; + u_char *space; + char c, version, *p; + u_int endTime, len; + int blen, ret; + + ret = 0; + blen = strlen(buf); + + /* sanity check for size */ + if (blen > 8192) + return 0; + + buffer_init(&b); + space = buffer_append_space(&b, blen); + + /* check version and length! */ + len = uudecode(buf, space, blen); + if (len < 1) + goto done; + + version = buffer_get_char(&b); + + GETSTRING(&b, creds->service, sizeof creds->service); + GETSTRING(&b, creds->instance, sizeof creds->instance); + GETSTRING(&b, creds->realm, sizeof creds->realm); + GETSTRING(&b, creds->pname, sizeof creds->pname); + GETSTRING(&b, creds->pinst, sizeof creds->pinst); + + if (buffer_len(&b) == 0) + goto done; + + /* Ignore possibly different realm. */ + while (buffer_len(&b) > 0 && (c = buffer_get_char(&b)) != '\0') + ; + + if (buffer_len(&b) == 0) + goto done; + + creds->issue_date = buffer_get_int(&b); + + endTime = buffer_get_int(&b); + creds->lifetime = krb_time_to_life(creds->issue_date, endTime); + + len = buffer_len(&b); + if (len < sizeof(creds->session)) + goto done; + memcpy(&creds->session, buffer_ptr(&b), sizeof(creds->session)); + buffer_consume(&b, sizeof(creds->session)); + + creds->kvno = buffer_get_short(&b); + + p = buffer_get_string(&b, &len); + if (len < 0 || len > sizeof(creds->ticket_st.dat)) + goto done; + memcpy(&creds->ticket_st.dat, p, len); + creds->ticket_st.length = len; + + ret = 1; +done: + buffer_free(&b); + return ret; +} +#endif /* AFS */ |