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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/kadmin/kpasswd.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/kadmin/kpasswd.c')
-rw-r--r-- | crypto/kerberosIV/kadmin/kpasswd.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/crypto/kerberosIV/kadmin/kpasswd.c b/crypto/kerberosIV/kadmin/kpasswd.c new file mode 100644 index 0000000..f4c0cda --- /dev/null +++ b/crypto/kerberosIV/kadmin/kpasswd.c @@ -0,0 +1,163 @@ +/* + 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. + + */ + +/* + * change your password with kerberos + */ + +#include "kadm_locl.h" + +RCSID("$Id: kpasswd.c,v 1.25 1997/05/02 14:28:51 assar Exp $"); + +static void +usage(int value) +{ + fprintf(stderr, "Usage: "); + fprintf(stderr, "kpasswd [-h ] [-n user] [-i instance] [-r realm] "); + fprintf(stderr, "[-u fullname]\n"); + exit(value); +} + +int +main(int argc, char **argv) +{ + krb_principal principal; + krb_principal default_principal; + int realm_given = 0; /* True if realm was give on cmdline */ + int use_default = 1; /* True if we should use default name */ + int status; /* return code */ + char pword[MAX_KPW_LEN]; + int c; + char tktstring[MaxPathLen]; + + set_progname (argv[0]); + + memset (&principal, 0, sizeof(principal)); + memset (&default_principal, 0, sizeof(default_principal)); + + krb_get_default_principal (default_principal.name, + default_principal.instance, + default_principal.realm); + + while ((c = getopt(argc, argv, "u:n:i:r:h")) != EOF) { + switch (c) { + case 'u': + status = krb_parse_name (optarg, &principal); + if (status != KSUCCESS) + errx (2, "%s", krb_get_err_text(status)); + if (principal.realm[0]) + realm_given++; + else if (krb_get_lrealm(principal.realm, 1) != KSUCCESS) + errx (1, "Could not find default realm!"); + break; + case 'n': + if (k_isname(optarg)) + strncpy(principal.name, optarg, sizeof(principal.name) - 1); + else { + warnx("Bad name: %s", optarg); + usage(1); + } + break; + case 'i': + if (k_isinst(optarg)) + strncpy(principal.instance, + optarg, + sizeof(principal.instance) - 1); + else { + warnx("Bad instance: %s", optarg); + usage(1); + } + break; + case 'r': + if (k_isrealm(optarg)) { + strncpy(principal.realm, optarg, sizeof(principal.realm) - 1); + realm_given++; + } else { + warnx("Bad realm: %s", optarg); + usage(1); + } + break; + case 'h': + usage(0); + break; + default: + usage(1); + break; + } + use_default = 0; + } + if (optind < argc) { + use_default = 0; + status = krb_parse_name (argv[optind], &principal); + if(status != KSUCCESS) + errx (1, "%s", krb_get_err_text (status)); + } + + if (use_default) { + strcpy(principal.name, default_principal.name); + strcpy(principal.instance, default_principal.instance); + strcpy(principal.realm, default_principal.realm); + } else { + if (!principal.name[0]) + strcpy(principal.name, default_principal.name); + if (!principal.realm[0]) + strcpy(principal.realm, default_principal.realm); + } + + snprintf(tktstring, sizeof(tktstring), + TKT_ROOT "_cpw_%u", (unsigned)getpid()); + krb_set_tkt_string(tktstring); + + if (get_pw_new_pwd(pword, sizeof(pword), &principal, + realm_given)) { + dest_tkt (); + exit(1); + } + + status = kadm_init_link (PWSERV_NAME, KRB_MASTER, principal.realm); + if (status != KADM_SUCCESS) + com_err(argv[0], status, "while initializing"); + else { + des_cblock newkey; + char *pw_msg; /* message from server */ + + des_string_to_key(pword, &newkey); + status = kadm_change_pw_plain((unsigned char*)&newkey, pword, &pw_msg); + memset(newkey, 0, sizeof(newkey)); + + if (status == KADM_INSECURE_PW) + warnx ("Insecure password: %s", pw_msg); + else if (status != KADM_SUCCESS) + com_err(argv[0], status, " attempting to change password."); + } + memset(pword, 0, sizeof(pword)); + + if (status != KADM_SUCCESS) + fprintf(stderr,"Password NOT changed.\n"); + else + printf("Password changed.\n"); + + dest_tkt(); + if (status) + return 2; + else + return 0; +} |