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- /*
- * $Source: /usr/src/kerberosIV/krb/RCS/tkt_string.c,v $
- * $Author: kfall $
- *
- * Copyright 1985, 1986, 1987, 1988 by the Massachusetts Institute
- * of Technology.
- *
- * For copying and distribution information, please see the file
- * <mit-copyright.h>.
- */
-
- #ifndef lint
- static char *rcsid_tkt_string_c =
- "$Header: /usr/src/kerberosIV/krb/RCS/tkt_string.c,v 4.7 90/06/25 20:57:33 kfall Exp $";
- #endif /* lint */
-
- #include <mit-copyright.h>
- #include <stdio.h>
- #include <sys/types.h>
- #include <des.h>
- #include <krb.h>
- #include <string.h>
- #include <sys/param.h>
-
- char *getenv();
-
- /*
- * This routine is used to generate the name of the file that holds
- * the user's cache of server tickets and associated session keys.
- *
- * If it is set, krb_ticket_string contains the ticket file name.
- * Otherwise, the filename is constructed as follows:
- *
- * If it is set, the environment variable "KRBTKFILE" will be used as
- * the ticket file name. Otherwise TKT_ROOT (defined in "krb.h") and
- * the user's uid are concatenated to produce the ticket file name
- * (e.g., "/tmp/tkt123"). A pointer to the string containing the ticket
- * file name is returned.
- */
-
- static char krb_ticket_string[MAXPATHLEN] = "";
-
- char *tkt_string()
- {
- char *env;
- uid_t getuid();
-
- if (!*krb_ticket_string) {
- if (env = getenv("KRBTKFILE")) {
- (void) strncpy(krb_ticket_string, env,
- sizeof(krb_ticket_string)-1);
- krb_ticket_string[sizeof(krb_ticket_string)-1] = '\0';
- } else {
- /* 32 bits of signed integer will always fit in 11 characters
- (including the sign), so no need to worry about overflow */
- (void) sprintf(krb_ticket_string, "%s%d",TKT_ROOT,getuid());
- }
- }
- return krb_ticket_string;
- }
-
- /*
- * This routine is used to set the name of the file that holds the user's
- * cache of server tickets and associated session keys.
- *
- * The value passed in is copied into local storage.
- *
- * NOTE: This routine should be called during initialization, before other
- * Kerberos routines are called; otherwise tkt_string() above may be called
- * and return an undesired ticket file name until this routine is called.
- */
-
- void
- krb_set_tkt_string(val)
- char *val;
- {
-
- (void) strncpy(krb_ticket_string, val, sizeof(krb_ticket_string)-1);
- krb_ticket_string[sizeof(krb_ticket_string)-1] = '\0';
-
- return;
- }
-