From 9e5ac70a7e49ecd0e61e9546ccdf0ad863f1177a Mon Sep 17 00:00:00 2001 From: Andreas Schneider Date: Wed, 7 Aug 2019 11:36:28 +0200 Subject: [PATCH] auth:creds: Add command line function for standard password callback Pair-Programmed-With: Stefan Metzmacher Signed-off-by: Stefan Metzmacher Signed-off-by: Andreas Schneider Reviewed-by: Guenther Deschner --- auth/credentials/credentials.h | 2 + auth/credentials/credentials_cmdline.c | 73 ++++++++++++++++++++++++++ auth/credentials/wscript_build | 4 ++ 3 files changed, 79 insertions(+) create mode 100644 auth/credentials/credentials_cmdline.c diff --git a/auth/credentials/credentials.h b/auth/credentials/credentials.h index 1fff37e8154..1802e383594 100644 --- a/auth/credentials/credentials.h +++ b/auth/credentials/credentials.h @@ -315,6 +315,8 @@ bool cli_credentials_set_smb_encryption(struct cli_credentials *cred, enum smb_encryption_setting cli_credentials_get_smb_encryption(struct cli_credentials *cred); +bool cli_credentials_set_cmdline_callbacks(struct cli_credentials *cred); + void cli_credentials_dump(struct cli_credentials *creds); /** diff --git a/auth/credentials/credentials_cmdline.c b/auth/credentials/credentials_cmdline.c new file mode 100644 index 00000000000..11b1ab9ecd2 --- /dev/null +++ b/auth/credentials/credentials_cmdline.c @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2005 Jelmer Vernooij + * Copyright (c) 2016 Stefan Metzmacher + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "includes.h" +#include "system/filesys.h" +#include "auth/credentials/credentials.h" + +static const char *cmdline_get_userpassword(struct cli_credentials *creds) +{ + TALLOC_CTX *frame = talloc_stackframe(); + const char *name = NULL; + char *label = NULL; + char *ret = NULL; + char pwd[256] = {0}; + int rc; + + name = cli_credentials_get_unparsed_name(creds, frame); + if (name == NULL) { + goto fail; + } + label = talloc_asprintf(frame, "Password for [%s]:", name); + if (label == NULL) { + goto fail; + } + rc = samba_getpass(label, pwd, sizeof(pwd), false, false); + if (rc != 0) { + goto fail; + } + ret = talloc_strdup(creds, pwd); + if (ret == NULL) { + goto fail; + } + talloc_set_name_const(ret, __location__); +fail: + ZERO_STRUCT(pwd); + TALLOC_FREE(frame); + return ret; +} + +/** + * @brief Set the command line password callback. + * + * This will set the callback to get the password from the command prompt or + * read it from 'stdin'. + * + * @param[in] cred The credential context. + * + * @return On success true, false otherwise. + */ +bool cli_credentials_set_cmdline_callbacks(struct cli_credentials *cred) +{ + /* + * The there is no tty, then we will try to read the password from + * stdin. + */ + return cli_credentials_set_password_callback(cred, + cmdline_get_userpassword); +} diff --git a/auth/credentials/wscript_build b/auth/credentials/wscript_build index 46111164b36..06536651d37 100644 --- a/auth/credentials/wscript_build +++ b/auth/credentials/wscript_build @@ -23,6 +23,10 @@ bld.SAMBA_SUBSYSTEM('CREDENTIALS_NTLM', source='credentials_ntlm.c', deps='samba-credentials GNUTLS_HELPERS') +bld.SAMBA_SUBSYSTEM('CREDENTIALS_CMDLINE', + source='credentials_cmdline.c', + deps='samba-credentials') + pytalloc_util = bld.pyembed_libname('pytalloc-util') pyparam_util = bld.pyembed_libname('pyparam_util')