diff options
Diffstat (limited to 'crypto/kerberosIV/lib/krb/create_ticket.c')
| -rw-r--r-- | crypto/kerberosIV/lib/krb/create_ticket.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/crypto/kerberosIV/lib/krb/create_ticket.c b/crypto/kerberosIV/lib/krb/create_ticket.c index b469232..822cfbb 100644 --- a/crypto/kerberosIV/lib/krb/create_ticket.c +++ b/crypto/kerberosIV/lib/krb/create_ticket.c @@ -38,7 +38,7 @@ #include "krb_locl.h" -RCSID("$Id: create_ticket.c,v 1.12 1997/04/01 08:18:21 joda Exp $"); +RCSID("$Id: create_ticket.c,v 1.13 1998/06/09 19:25:17 joda Exp $"); /* * Create ticket takes as arguments information that should be in a @@ -103,21 +103,52 @@ krb_create_ticket(KTEXT tkt, /* Gets filled in by the ticket */ des_cblock *key) /* Service's secret key */ { unsigned char *p = tkt->dat; + int tmp; + size_t rem = sizeof(tkt->dat); memset(tkt, 0, sizeof(KTEXT_ST)); - p += krb_put_int(flags, p, 1); - p += krb_put_nir(pname, pinstance, prealm, p); + tmp = krb_put_int(flags, p, rem, 1); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; + + tmp = krb_put_nir(pname, pinstance, prealm, p, rem); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; - p += krb_put_address(paddress, p); + tmp = krb_put_address(paddress, p, rem); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; + if (rem < 8) + return KFAILURE; memcpy(p, session, 8); p += 8; + rem -= 8; + + tmp = krb_put_int(life, p, rem, 1); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; - p += krb_put_int(life, p, 1); - p += krb_put_int(time_sec, p, 4); + tmp = krb_put_int(time_sec, p, rem, 4); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; - p += krb_put_nir(sname, sinstance, NULL, p); + tmp = krb_put_nir(sname, sinstance, NULL, p, rem); + if (tmp < 0) + return KFAILURE; + p += tmp; + rem -= tmp; /* multiple of eight bytes */ tkt->length = (p - tkt->dat + 7) & ~7; |
