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author | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
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committer | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
commit | a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch) | |
tree | 0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/lib/krb/get_cred.c | |
download | FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.zip FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.tar.gz |
Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their
own changes later.
Diffstat (limited to 'crypto/kerberosIV/lib/krb/get_cred.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/get_cred.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/get_cred.c b/crypto/kerberosIV/lib/krb/get_cred.c new file mode 100644 index 0000000..1a0016c --- /dev/null +++ b/crypto/kerberosIV/lib/krb/get_cred.c @@ -0,0 +1,70 @@ +/* + Copyright (C) 1989 by the Massachusetts Institute of Technology + + Export of this software from the United States of America is assumed + to require a specific license from the United States Government. + It is the responsibility of any person or organization contemplating + export to obtain such a license before exporting. + +WITHIN THAT CONSTRAINT, permission to use, copy, modify, and +distribute this software and its documentation for any purpose and +without fee is hereby granted, provided that the above copyright +notice appear in all copies and that both that copyright notice and +this permission notice appear in supporting documentation, and that +the name of M.I.T. not be used in advertising or publicity pertaining +to distribution of the software without specific, written prior +permission. M.I.T. makes no representations about the suitability of +this software for any purpose. It is provided "as is" without express +or implied warranty. + + */ + +#include "krb_locl.h" + +RCSID("$Id: get_cred.c,v 1.6 1997/05/30 17:38:29 bg Exp $"); + +/* + * krb_get_cred takes a service name, instance, and realm, and a + * structure of type CREDENTIALS to be filled in with ticket + * information. It then searches the ticket file for the appropriate + * ticket and fills in the structure with the corresponding + * information from the file. If successful, it returns KSUCCESS. + * On failure it returns a Kerberos error code. + */ + +int +krb_get_cred(char *service, /* Service name */ + char *instance, /* Instance */ + char *realm, /* Auth domain */ + CREDENTIALS *c) /* Credentials struct */ +{ + int tf_status; /* return value of tf function calls */ + CREDENTIALS cr; + + if (c == 0) + c = &cr; + + /* Open ticket file and lock it for shared reading */ + if ((tf_status = tf_init(TKT_FILE, R_TKT_FIL)) != KSUCCESS) + return(tf_status); + + /* Copy principal's name and instance into the CREDENTIALS struc c */ + + if ( (tf_status = tf_get_pname(c->pname)) != KSUCCESS || + (tf_status = tf_get_pinst(c->pinst)) != KSUCCESS ) + return (tf_status); + + /* Search for requested service credentials and copy into c */ + + while ((tf_status = tf_get_cred(c)) == KSUCCESS) { + if ((strcmp(c->service,service) == 0) && + (strcmp(c->instance,instance) == 0) && + (strcmp(c->realm,realm) == 0)) + break; + } + tf_close(); + + if (tf_status == EOF) + return (GC_NOTKT); + return(tf_status); +} |