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-rw-r--r--crypto/kerberosIV/kuser/kinit.c42
1 files changed, 35 insertions, 7 deletions
diff --git a/crypto/kerberosIV/kuser/kinit.c b/crypto/kerberosIV/kuser/kinit.c
index b7dd19d..482739a 100644
--- a/crypto/kerberosIV/kuser/kinit.c
+++ b/crypto/kerberosIV/kuser/kinit.c
@@ -108,13 +108,41 @@ main(int argc, char **argv)
printf("@%s", realm);
printf("\"\n");
} else {
- printf("Kerberos Initialization\n");
- printf("Kerberos name: ");
- get_input(name, sizeof(name), stdin);
- if (!*name)
- return 0;
- if ((k_errno = kname_parse(aname, inst, realm, name)) != KSUCCESS )
- errx(1, "%s", krb_get_err_text(k_errno));
+ if (iflag) {
+ printf("Kerberos Initialization\n");
+ printf("Kerberos name: ");
+ get_input(name, sizeof(name), stdin);
+ if (!*name)
+ return 0;
+ if ((k_errno = kname_parse(aname, inst, realm, name))
+ != KSUCCESS )
+ errx(1, "%s", krb_get_err_text(k_errno));
+ } else {
+ int uid = getuid();
+ char *getenv();
+ struct passwd *pwd;
+
+ /* default to current user name unless running as root */
+ if (uid == 0 && (username = getenv("USER")) &&
+ strcmp(username, "root") != 0) {
+ strncpy(aname, username, sizeof(aname));
+ strncpy(inst, "root", sizeof(inst));
+ } else {
+ pwd = getpwuid(uid);
+
+ if (pwd == (struct passwd *) NULL) {
+ fprintf(stderr, "Unknown name for your uid\n");
+ printf("Kerberos name: ");
+ get_input(aname, sizeof(aname), stdin);
+ } else
+ strncpy(aname, pwd->pw_name, sizeof(aname));
+ }
+ if (!*name)
+ return 0;
+ if (!k_isname(aname)) {
+ errx(1, "%s", "bad Kerberos name format");
+ }
+ }
}
/* optional instance */
if (iflag) {
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