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https://github.com/samba-team/samba.git
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477fce1f39
Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
177 lines
5.1 KiB
C
177 lines
5.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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Credentials popt routines
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Copyright (C) Jelmer Vernooij 2002,2003,2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "lib/cmdline/popt_common.h"
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#include "lib/cmdline/credentials.h"
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#include "auth/credentials/credentials.h"
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#include "auth/gensec/gensec.h"
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#include "param/param.h"
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/* Handle command line options:
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* -U,--user
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* -A,--authentication-file
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* -k,--use-kerberos
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* -N,--no-pass
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* -S,--signing
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* -P,--machine-pass
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* --simple-bind-dn
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* --password
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* --krb5-ccache
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*/
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static bool dont_ask;
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static bool machine_account_pending;
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enum opt { OPT_SIMPLE_BIND_DN, OPT_PASSWORD, OPT_KERBEROS, OPT_SIGN, OPT_ENCRYPT, OPT_KRB5_CCACHE };
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static void popt_common_credentials_callback(poptContext con,
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enum poptCallbackReason reason,
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const struct poptOption *opt,
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const char *arg, const void *data)
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{
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if (reason == POPT_CALLBACK_REASON_PRE) {
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cmdline_credentials = cli_credentials_init(talloc_autofree_context());
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return;
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}
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if (reason == POPT_CALLBACK_REASON_POST) {
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cli_credentials_guess(cmdline_credentials, cmdline_lp_ctx);
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if (!dont_ask) {
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cli_credentials_set_cmdline_callbacks(cmdline_credentials);
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}
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if (machine_account_pending) {
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cli_credentials_set_machine_account(cmdline_credentials, cmdline_lp_ctx);
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}
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return;
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}
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switch(opt->val) {
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case 'U':
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{
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char *lp;
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cli_credentials_parse_string(cmdline_credentials, arg, CRED_SPECIFIED);
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/* This breaks the abstraction, including the const above */
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if ((lp=strchr_m(arg,'%'))) {
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lp[0]='\0';
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lp++;
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/* Try to prevent this showing up in ps */
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memset(lp,0,strlen(lp));
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}
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}
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break;
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case OPT_PASSWORD:
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cli_credentials_set_password(cmdline_credentials, arg, CRED_SPECIFIED);
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/* Try to prevent this showing up in ps */
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memset(discard_const(arg),0,strlen(arg));
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break;
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case 'A':
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cli_credentials_parse_file(cmdline_credentials, arg, CRED_SPECIFIED);
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break;
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case 'P':
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/* Later, after this is all over, get the machine account details from the secrets.ldb */
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machine_account_pending = true;
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break;
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case OPT_KERBEROS:
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{
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bool use_kerberos = true;
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/* Force us to only use kerberos */
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if (arg) {
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if (!set_boolean(arg, &use_kerberos)) {
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fprintf(stderr, "Error parsing -k %s. Should be "
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"-k [yes|no]\n", arg);
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exit(1);
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break;
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}
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}
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cli_credentials_set_kerberos_state(cmdline_credentials,
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use_kerberos
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? CRED_MUST_USE_KERBEROS
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: CRED_DONT_USE_KERBEROS);
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break;
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}
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case OPT_SIMPLE_BIND_DN:
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{
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cli_credentials_set_bind_dn(cmdline_credentials, arg);
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break;
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}
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case OPT_KRB5_CCACHE:
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{
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const char *error_string;
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if (cli_credentials_set_ccache(cmdline_credentials, cmdline_lp_ctx, arg, CRED_SPECIFIED,
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&error_string) != 0) {
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fprintf(stderr, "Error reading krb5 credentials cache: '%s' %s", arg, error_string);
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exit(1);
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}
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break;
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}
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case OPT_SIGN:
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{
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uint32_t gensec_features;
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gensec_features = cli_credentials_get_gensec_features(cmdline_credentials);
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gensec_features |= GENSEC_FEATURE_SIGN;
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cli_credentials_set_gensec_features(cmdline_credentials,
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gensec_features);
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break;
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}
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case OPT_ENCRYPT:
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{
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uint32_t gensec_features;
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gensec_features = cli_credentials_get_gensec_features(cmdline_credentials);
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gensec_features |= GENSEC_FEATURE_SEAL;
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cli_credentials_set_gensec_features(cmdline_credentials,
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gensec_features);
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break;
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}
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}
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}
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struct poptOption popt_common_credentials4[] = {
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{ NULL, 0, POPT_ARG_CALLBACK|POPT_CBFLAG_PRE|POPT_CBFLAG_POST, (void *)popt_common_credentials_callback },
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{ "user", 'U', POPT_ARG_STRING, NULL, 'U', "Set the network username", "[DOMAIN/]USERNAME[%PASSWORD]" },
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{ "no-pass", 'N', POPT_ARG_NONE, &dont_ask, 'N', "Don't ask for a password" },
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{ "password", 0, POPT_ARG_STRING, NULL, OPT_PASSWORD, "Password" },
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{ "authentication-file", 'A', POPT_ARG_STRING, NULL, 'A', "Get the credentials from a file", "FILE" },
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{ "machine-pass", 'P', POPT_ARG_NONE, NULL, 'P', "Use stored machine account password" },
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{ "simple-bind-dn", 0, POPT_ARG_STRING, NULL, OPT_SIMPLE_BIND_DN, "DN to use for a simple bind" },
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{ "kerberos", 'k', POPT_ARG_STRING, NULL, OPT_KERBEROS, "Use Kerberos, -k [yes|no]" },
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{ "krb5-ccache", 0, POPT_ARG_STRING, NULL, OPT_KRB5_CCACHE, "Credentials cache location for Kerberos" },
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{ "sign", 'S', POPT_ARG_NONE, NULL, OPT_SIGN, "Sign connection to prevent modification in transit" },
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{ "encrypt", 'e', POPT_ARG_NONE, NULL, OPT_ENCRYPT, "Encrypt connection for privacy" },
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{ NULL }
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};
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