From 9b73f79a2436760b8278377014bf78a144a427ae Mon Sep 17 00:00:00 2001

From: Sumit Bose <sbose@redhat.com>

Date: Thu, 1 Feb 2018 14:26:22 +0100

Subject: [PATCH 15/23] make Samba data tool configurable

Allow to specify an alternative path to Samba's net utility at configure

time and at run time.

https://bugs.freedesktop.org/show_bug.cgi?id=100118

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

---

 configure.ac                    | 13 ++++++++++++

 doc/adcli.xml                   | 21 ++++++++++++++++++-

 doc/samba_data_tool_path.xml.in |  1 +

 library/adenroll.c              | 46 ++++++++++++++++++++++++++++++++++-------

 library/adenroll.h              |  5 +++++

 tools/computer.c                | 16 ++++++++++++++

 7 files changed, 95 insertions(+), 8 deletions(-)

 create mode 100644 doc/samba_data_tool_path.xml.in

diff --git a/configure.ac b/configure.ac

index fe86638..68877c7 100644

--- a/configure.ac

+++ b/configure.ac

@@ -291,6 +291,18 @@ else

 	AC_DEFINE_UNQUOTED(BIN_ECHO, "$BIN_ECHO", [path to echo, used in unit test])

 fi

+AC_MSG_CHECKING([where is Samba's net utility])

+AC_ARG_WITH([samba_data_tool],

+              AC_HELP_STRING([--with-samba-data-tool=/path],

+              [Path to Samba's net utility]),

+              [],

+              [with_samba_data_tool=/usr/bin/net])

+AC_MSG_RESULT([$with_samba_data_tool])

+

+AC_DEFINE_UNQUOTED(SAMBA_DATA_TOOL, "$with_samba_data_tool",

+                   [Path to Samba's net utility])

+

+AC_SUBST(SAMBA_DATA_TOOL, [$with_samba_data_tool])

 # ---------------------------------------------------------------------

 ADCLI_LT_RELEASE=$ADCLI_CURRENT:$ADCLI_REVISION:$ADCLI_AGE

@@ -300,6 +312,7 @@ AC_CONFIG_FILES([Makefile

 	build/Makefile

 	doc/Makefile

 	doc/version.xml

+	doc/samba_data_tool_path.xml

 	library/Makefile

 	tools/Makefile

 ])

diff --git a/doc/adcli.xml b/doc/adcli.xml

index fbc6c63..c2b7760 100644

--- a/doc/adcli.xml

+++ b/doc/adcli.xml

@@ -1,6 +1,9 @@

-	"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">

+	"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"

+[

+	

+]>

 <refentry id="adcli">

@@ -307,6 +310,14 @@ Password for Administrator:

 			<citerefentry><refentrytitle>smb.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>

 			for details.</para></listitem>

 		</varlistentry>

+		<varlistentry>

+			<term><option>--samba-data-tool=<parameter>/path/to/net</parameter></option></term>

+			<listitem><para>If Samba's <command>net</command>

+			cannot be found at

+			<filename>&samba_data_tool;</filename> this option can

+			be used to specific an alternative location with the

+			help of an absolute path.</para></listitem>

+		</varlistentry>

 	</variablelist>

 </refsect1>

@@ -412,6 +423,14 @@ $ adcli update --login-ccache=/tmp/krbcc_123

 			<citerefentry><refentrytitle>smb.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>

 			for details.</para></listitem>

 		</varlistentry>

+		<varlistentry>

+			<term><option>--samba-data-tool=<parameter>/path/to/net</parameter></option></term>

+			<listitem><para>If Samba's <command>net</command>

+			cannot be found at

+			<filename>&samba_data_tool;</filename> this option can

+			be used to specific an alternative location with the

+			help of an absolute path.</para></listitem>

+		</varlistentry>

 	</variablelist>

 </refsect1>

diff --git a/doc/samba_data_tool_path.xml.in b/doc/samba_data_tool_path.xml.in

new file mode 100644

index 0000000..a667c57

--- /dev/null

+++ b/doc/samba_data_tool_path.xml.in

@@ -0,0 +1 @@

+@SAMBA_DATA_TOOL@

diff --git a/library/adenroll.c b/library/adenroll.c

index 20731cd..a693049 100644

--- a/library/adenroll.c

+++ b/library/adenroll.c

@@ -42,6 +42,10 @@

 #include <stdio.h>

 #include <unistd.h>

+#ifndef SAMBA_DATA_TOOL

+#define SAMBA_DATA_TOOL "/usr/bin/net"

+#endif

+

 static krb5_enctype v60_later_enctypes[] = {

 	ENCTYPE_AES256_CTS_HMAC_SHA1_96,

 	ENCTYPE_AES128_CTS_HMAC_SHA1_96,

@@ -100,6 +104,7 @@ struct _adcli_enroll {

 	int keytab_enctypes_explicit;

 	unsigned int computer_password_lifetime;

 	int computer_password_lifetime_explicit;

+	char *samba_data_tool;

 };

 static adcli_result

@@ -1537,26 +1542,33 @@ static adcli_result

 update_samba_data (adcli_enroll *enroll)

 {

 	int ret;

-	char *argv_pw[] = { "/usr/bin/net", "changesecretpw", "-i", "-f", NULL };

-	char *argv_sid[] = { "/usr/bin/net", "setdomainsid", NULL, NULL };

+	char *argv_pw[] = { NULL, "changesecretpw", "-i", "-f", NULL };

+	char *argv_sid[] = { NULL, "setdomainsid", NULL, NULL };

+

+	argv_pw[0] = (char *) adcli_enroll_get_samba_data_tool (enroll);

+	if (argv_pw[0] ==NULL) {

+		_adcli_err ("Samba data tool not available.");

+		return ADCLI_ERR_FAIL;

+	}

+	argv_sid[0] = argv_pw[0];

-	_adcli_info ("Trying to set Samba secret.\n");

+	_adcli_info ("Trying to set Samba secret.");

 	ret = _adcli_call_external_program (argv_pw[0], argv_pw,

 	                                    enroll->computer_password, NULL, NULL);

 	if (ret != ADCLI_SUCCESS) {

-		_adcli_err ("Failed to set Samba computer account password.\n");

+		_adcli_err ("Failed to set Samba computer account password.");

 	}

 	argv_sid[2] = (char *) adcli_conn_get_domain_sid (enroll->conn);

 	if (argv_sid[2] == NULL) {

-		_adcli_err ("Domain SID not available.\n");

+		_adcli_err ("Domain SID not available.");

 	} else {

-		_adcli_info ("Trying to set domain SID %s for Samba.\n",

+		_adcli_info ("Trying to set domain SID %s for Samba.",

 		             argv_sid[2]);

 		ret = _adcli_call_external_program (argv_sid[0], argv_sid,

 		                                    NULL, NULL, NULL);

 		if (ret != ADCLI_SUCCESS) {

-			_adcli_err ("Failed to set Samba domain SID.\n");

+			_adcli_err ("Failed to set Samba domain SID.");

 		}

 	}

@@ -1951,6 +1963,9 @@ adcli_enroll_new (adcli_conn *conn)

 	enroll->os_name = strdup (value);

 	return_val_if_fail (enroll->os_name != NULL, NULL);

+	enroll->samba_data_tool = strdup (SAMBA_DATA_TOOL);

+	return_val_if_fail (enroll->samba_data_tool != NULL, NULL);

+

 	return enroll;

 }

@@ -1978,6 +1993,7 @@ enroll_free (adcli_enroll *enroll)

 	free (enroll->os_name);

 	free (enroll->os_version);

 	free (enroll->os_service_pack);

+	free (enroll->samba_data_tool);

 	free (enroll->user_principal);

 	_adcli_strv_free (enroll->service_names);

@@ -2343,3 +2359,19 @@ adcli_enroll_set_computer_password_lifetime (adcli_enroll *enroll,

 	enroll->computer_password_lifetime_explicit = 1;

 }

+

+void

+adcli_enroll_set_samba_data_tool (adcli_enroll *enroll, const char *value)

+{

+	return_if_fail (enroll != NULL);

+	if (value != NULL && value[0] != '\0') {

+		_adcli_str_set (&enroll->samba_data_tool, value);

+	}

+}

+

+const char *

+adcli_enroll_get_samba_data_tool (adcli_enroll *enroll)

+{

+	return_val_if_fail (enroll != NULL, NULL);

+	return enroll->samba_data_tool;

+}

diff --git a/library/adenroll.h b/library/adenroll.h

index 32c9764..31ca0bc 100644

--- a/library/adenroll.h

+++ b/library/adenroll.h

@@ -141,4 +141,9 @@ const char *       adcli_enroll_get_os_service_pack     (adcli_enroll *enroll);

 void               adcli_enroll_set_os_service_pack     (adcli_enroll *enroll,

                                                          const char *value);

+void               adcli_enroll_set_samba_data_tool     (adcli_enroll *enroll,

+                                                         const char *value);

+

+const char *       adcli_enroll_get_samba_data_tool     (adcli_enroll *enroll);

+

 #endif /* ADENROLL_H_ */

diff --git a/tools/computer.c b/tools/computer.c

index fc646f2..f86548b 100644

--- a/tools/computer.c

+++ b/tools/computer.c

@@ -30,6 +30,7 @@

 #include <err.h>

 #include <stdio.h>

 #include <errno.h>

+#include <unistd.h>

 static void

 dump_details (adcli_conn *conn,

@@ -107,6 +108,7 @@ typedef enum {

 	opt_user_principal,

 	opt_computer_password_lifetime,

 	opt_add_samba_data,

+	opt_samba_data_tool,

 } Option;

 static adcli_tool_desc common_usages[] = {

@@ -145,6 +147,7 @@ static adcli_tool_desc common_usages[] = {

 	                     "successful join" },

 	{ opt_add_samba_data, "add domain SID and computer account password\n"

 	                      "to the Samba specific configuration database" },

+	{ opt_samba_data_tool, "Absolute path to the tool used for add-samba-data" },

 	{ opt_verbose, "show verbose progress and failure messages", },

 	{ 0 },

 };

@@ -160,6 +163,7 @@ parse_option (Option opt,

 	static int stdin_password = 0;

 	char *endptr;

 	unsigned int lifetime;

+	int ret;

 	switch (opt) {

 	case opt_login_ccache:

@@ -265,6 +269,16 @@ parse_option (Option opt,

 		adcli_enroll_set_computer_password_lifetime (enroll, lifetime);

 		return;

+	case opt_samba_data_tool:

+		errno = 0;

+		ret = access (optarg, X_OK);

+		if (ret != 0) {

+			ret = errno;

+			errx (EUSAGE, "Failed to access tool to add Samba data: %s", strerror (ret));

+		} else {

+			adcli_enroll_set_samba_data_tool (enroll, optarg);

+		}

+		return;

 	case opt_verbose:

 		return;

@@ -331,6 +345,7 @@ adcli_tool_computer_join (adcli_conn *conn,

 		{ "show-details", no_argument, NULL, opt_show_details },

 		{ "show-password", no_argument, NULL, opt_show_password },

 		{ "add-samba-data", no_argument, NULL, opt_add_samba_data },

+		{ "samba-data-tool", no_argument, NULL, opt_samba_data_tool },

 		{ "verbose", no_argument, NULL, opt_verbose },

 		{ "help", no_argument, NULL, 'h' },

 		{ 0 },

@@ -434,6 +449,7 @@ adcli_tool_computer_update (adcli_conn *conn,

 		{ "show-details", no_argument, NULL, opt_show_details },

 		{ "show-password", no_argument, NULL, opt_show_password },

 		{ "add-samba-data", no_argument, NULL, opt_add_samba_data },

+		{ "samba-data-tool", no_argument, NULL, opt_samba_data_tool },

 		{ "verbose", no_argument, NULL, opt_verbose },

 		{ "help", no_argument, NULL, 'h' },

 		{ 0 },

-- 

2.14.4