diff options
Diffstat (limited to 'kadmin/cpw.c')
| -rw-r--r-- | kadmin/cpw.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/kadmin/cpw.c b/kadmin/cpw.c new file mode 100644 index 0000000..c5fa9ed --- /dev/null +++ b/kadmin/cpw.c @@ -0,0 +1,184 @@ +/* + * Copyright (c) 1997 - 2004 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "kadmin_locl.h" +#include "kadmin-commands.h" + +RCSID("$Id: cpw.c 16755 2006-02-18 23:30:32Z lha $"); + +struct cpw_entry_data { + int random_key; + int random_password; + char *password; + krb5_key_data *key_data; +}; + +static int +set_random_key (krb5_principal principal) +{ + krb5_error_code ret; + int i; + krb5_keyblock *keys; + int num_keys; + + ret = kadm5_randkey_principal(kadm_handle, principal, &keys, &num_keys); + if(ret) + return ret; + for(i = 0; i < num_keys; i++) + krb5_free_keyblock_contents(context, &keys[i]); + free(keys); + return 0; +} + +static int +set_random_password (krb5_principal principal) +{ + krb5_error_code ret; + char pw[128]; + + random_password (pw, sizeof(pw)); + ret = kadm5_chpass_principal(kadm_handle, principal, pw); + if (ret == 0) { + char *princ_name; + + krb5_unparse_name(context, principal, &princ_name); + + printf ("%s's password set to \"%s\"\n", princ_name, pw); + free (princ_name); + } + memset (pw, 0, sizeof(pw)); + return ret; +} + +static int +set_password (krb5_principal principal, char *password) +{ + krb5_error_code ret = 0; + char pwbuf[128]; + + if(password == NULL) { + char *princ_name; + char *prompt; + + krb5_unparse_name(context, principal, &princ_name); + asprintf(&prompt, "%s's Password: ", princ_name); + free (princ_name); + ret = UI_UTIL_read_pw_string(pwbuf, sizeof(pwbuf), prompt, 1); + free (prompt); + if(ret){ + return 0; /* XXX error code? */ + } + password = pwbuf; + } + if(ret == 0) + ret = kadm5_chpass_principal(kadm_handle, principal, password); + memset(pwbuf, 0, sizeof(pwbuf)); + return ret; +} + +static int +set_key_data (krb5_principal principal, krb5_key_data *key_data) +{ + krb5_error_code ret; + + ret = kadm5_chpass_principal_with_key (kadm_handle, principal, + 3, key_data); + return ret; +} + +static int +do_cpw_entry(krb5_principal principal, void *data) +{ + struct cpw_entry_data *e = data; + + if (e->random_key) + return set_random_key (principal); + else if (e->random_password) + return set_random_password (principal); + else if (e->key_data) + return set_key_data (principal, e->key_data); + else + return set_password (principal, e->password); +} + +int +cpw_entry(struct passwd_options *opt, int argc, char **argv) +{ + krb5_error_code ret = 0; + int i; + struct cpw_entry_data data; + int num; + krb5_key_data key_data[3]; + + data.random_key = opt->random_key_flag; + data.random_password = opt->random_password_flag; + data.password = opt->password_string; + data.key_data = NULL; + + num = 0; + if (data.random_key) + ++num; + if (data.random_password) + ++num; + if (data.password) + ++num; + if (opt->key_string) + ++num; + + if (num > 1) { + fprintf (stderr, "give only one of " + "--random-key, --random-password, --password, --key\n"); + return 1; + } + + if (opt->key_string) { + const char *error; + + if (parse_des_key (opt->key_string, key_data, &error)) { + fprintf (stderr, "failed parsing key \"%s\": %s\n", + opt->key_string, error); + return 1; + } + data.key_data = key_data; + } + + for(i = 0; i < argc; i++) + ret = foreach_principal(argv[i], do_cpw_entry, "cpw", &data); + + if (data.key_data) { + int16_t dummy; + kadm5_free_key_data (kadm_handle, &dummy, key_data); + } + + return ret != 0; +} |
