r1879: - add a user sub struct in net_context

- add 'net password change' command
  (it doesn'T work yet because libnet_rpc_connect() isn't implemented yet,
   and we don't fill in the net_context user substruct yet)

metze
(This used to be commit 939da063cdf18a5ab7e7f0490ac58d1f138cf0f0)

4 files changed, 172 insertions, 23 deletions

diff --git a/source4/utils/net/config.mk b/source4/utils/net/config.mk
index 8593aaec65..ce90906fe6 100644
--- a/source4/utils/net/config.mk
+++ b/source4/utils/net/config.mk
@@ -4,7 +4,8 @@
 # Start BINARY net
 [BINARY::net]
 OBJ_FILES = \
-		utils/net/net.o
+		utils/net/net.o \
+		utils/net/net_password.o
 REQUIRED_SUBSYSTEMS = \
 		CONFIG \
 		LIBCMDLINE \
diff --git a/source4/utils/net/net.c b/source4/utils/net/net.c
index a636e4cdaa..f1bb4cef4c 100644
--- a/source4/utils/net/net.c
+++ b/source4/utils/net/net.c
@@ -50,64 +50,99 @@
 int net_run_function(struct net_context *ctx,
 			int argc, const char **argv,
 			const struct net_functable *functable, 
-			int (*help_fn)(struct net_context *ctx, int argc, const char **argv))
+			int (*usage_fn)(struct net_context *ctx, int argc, const char **argv))
 {
 	int i;
-	
+
 	if (argc < 1) {
 		d_printf("Usage: \n");
-		return help_fn(ctx, argc, argv);
+		return usage_fn(ctx, argc, argv);
 	}
+
 	for (i=0; functable[i].name; i++) {
 		if (StrCaseCmp(argv[0], functable[i].name) == 0)
 			return functable[i].fn(ctx, argc-1, argv+1);
 	}
+
 	d_printf("No command: %s\n", argv[0]);
-	return help_fn(ctx, argc, argv);
+	return usage_fn(ctx, argc, argv);
 }
 
 /*
-  run a help function from a function table. If not found then fail
+  run a usage function from a function table. If not found then fail
+*/
+int net_run_usage(struct net_context *ctx,
+			int argc, const char **argv,
+			const struct net_functable *functable)
+{
+	int i;
+
+	if (argc < 1) {
+		d_printf("net_run_usage: TODO (argc < 1)\n");
+		return 1;
+	}
+
+	for (i=0; functable[i].name; i++) {
+		if (StrCaseCmp(argv[0], functable[i].name) == 0)
+			if (functable[i].usage) {
+				return functable[i].usage(ctx, argc-1, argv+1);
+			}
+	}
+
+	d_printf("No usage for command: %s\n", argv[0]);
+
+	return 1;
+}
+
+/*
+  run a usage function from a function table. If not found then fail
 */
 int net_run_help(struct net_context *ctx,
 			int argc, const char **argv,
 			const struct net_functable *functable)
 {
 	int i;
-	
+
 	if (argc < 1) {
 		d_printf("net_run_help: TODO (argc < 1)\n");
 		return 1;
 	}
+
 	for (i=0; functable[i].name; i++) {
 		if (StrCaseCmp(argv[0], functable[i].name) == 0)
 			if (functable[i].help) {
 				return functable[i].help(ctx, argc-1, argv+1);
 			}
 	}
+
 	d_printf("No help for command: %s\n", argv[0]);
+
 	return 1;
 }
 
-static int net_help_msg(struct net_context *ctx, int argc, const char **argv)
+static int net_help(struct net_context *ctx, int argc, const char **argv)
 {
-	d_printf("Help: TODO\n");
-	return 0;	
+	d_printf("net_help: TODO\n");
+	return 0;
 }
 
-static int net_help(struct net_context *ctx, int argc, const char **argv);
+static int net_help_usage(struct net_context *ctx, int argc, const char **argv)
+{
+	d_printf("net_help_usage: TODO\n");
+	return 0;	
+}
 
 /* main function table */
-static const struct net_functable net_functable[] = {
-/*	{"password", net_password, net_password_help},*/
+static const struct net_functable const net_functable[] = {
+	{"password", net_password, net_password_usage, net_password_help},
 
-	{"help", net_help_msg, net_help_msg},
+	{"help", net_help, net_help_usage, net_help},
 	{NULL, NULL}
 };
 
-static int net_help(struct net_context *ctx, int argc, const char **argv)
+static int net_usage(struct net_context *ctx, int argc, const char **argv)
 {
-	return net_run_help(ctx, argc, argv, net_functable);
+	return net_run_usage(ctx, argc, argv, net_functable);
 }
 
 /****************************************************************************
@@ -119,7 +154,8 @@ static int binary_net(int argc, const char **argv)
 	int rc;
 	int argc_new;
 	const char **argv_new;
-	struct net_context ctx;
+	TALLOC_CTX *mem_ctx;
+	struct net_context *ctx;
 	poptContext pc;
 
 	setup_logging("net", DEBUG_STDOUT);
@@ -128,12 +164,16 @@ static int binary_net(int argc, const char **argv)
 	setbuffer(stdout, NULL, 0);
 #endif
 
-	ctx.mem_ctx = talloc_init("net_context");
-	if (!ctx.mem_ctx) {
+	mem_ctx = talloc_init("net_context");
+	ctx = talloc_p(mem_ctx, struct net_context);
+	if (!ctx) {
 		d_printf("talloc_init(net_context) failed\n");
 		exit(1);
 	}
 
+	ZERO_STRUCTP(ctx);
+	ctx->mem_ctx		= mem_ctx;
+
 	struct poptOption long_options[] = {
 		{"help",	'h', POPT_ARG_NONE,   0, 'h'},
 		{NULL, 0, POPT_ARG_INCLUDE_TABLE, popt_common_version},
@@ -146,13 +186,13 @@ static int binary_net(int argc, const char **argv)
 	while((opt = poptGetNextOpt(pc)) != -1) {
 		switch (opt) {
 		case 'h':
-			net_help(&ctx, argc, argv);
+			net_help(ctx, argc, argv);
 			exit(0);
 			break;
 		default:
 			d_printf("Invalid option %s: %s\n", 
 				 poptBadOption(pc, 0), poptStrerror(opt));
-			net_help(&ctx, argc, argv);
+			net_help(ctx, argc, argv);
 			exit(1);
 		}
 	}
@@ -175,11 +215,13 @@ static int binary_net(int argc, const char **argv)
 		return 1;
 	}
 
-	rc = net_run_function(&ctx, argc_new-1, argv_new+1, net_functable, net_help_msg);
+	rc = net_run_function(ctx, argc_new-1, argv_new+1, net_functable, net_usage);
 
 	if (rc != 0) {
 		DEBUG(0,("return code = %d\n", rc));
 	}
+
+	talloc_destroy(mem_ctx);
 	return rc;
 }
 
diff --git a/source4/utils/net/net.h b/source4/utils/net/net.h
index f1ed93fbfb..ba8294c144 100644
--- a/source4/utils/net/net.h
+++ b/source4/utils/net/net.h
@@ -24,12 +24,18 @@
 
 struct net_context {
 	TALLOC_CTX *mem_ctx;
+	struct {
+		const char *account_name;
+		const char *domain_name;
+		const char *password;
+	} user;
 };
 
 struct net_functable {
 	const char *name;
 	int (*fn)(struct net_context *ctx, int argc, const char **argv);
-	int (*help)(struct net_context *ctx, int argc, const char **argv);	
+	int (*usage)(struct net_context *ctx, int argc, const char **argv);
+	int (*help)(struct net_context *ctx, int argc, const char **argv);
 };
 
 #endif /* _UTIL_NET_H */
diff --git a/source4/utils/net/net_password.c b/source4/utils/net/net_password.c
new file mode 100644
index 0000000000..90f26924a6
--- /dev/null
+++ b/source4/utils/net/net_password.c
@@ -0,0 +1,100 @@
+/* 
+   Samba Unix/Linux SMB client library 
+   Distributed SMB/CIFS Server Management Utility 
+
+   Copyright (C) 2004 Stefan Metzmacher (metze@samba.org)
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*
+ * Code for Changing and setting a password
+ */
+
+
+static int net_password_change(struct net_context *ctx, int argc, const char **argv)
+{
+	NTSTATUS status;
+	struct libnet_context *libnetctx;
+	union libnet_ChangePassword r;
+	char *password_prompt = NULL;
+	const char *new_password;
+
+	if (argc > 0 && argv[0]) {
+		new_password = argv[0];
+	} else {
+		password_prompt = talloc_asprintf(ctx->mem_ctx, "Enter new password for %s:", ctx->user.account_name);
+		new_password = getpass(password_prompt);
+	}
+
+	libnetctx = libnet_context_init();
+	if (!libnetctx) {
+		return -1;	
+	}
+
+	/* prepare password change */
+	r.generic.level			= LIBNET_CHANGE_PASSWORD_GENERIC;
+	r.generic.in.account_name	= ctx->user.account_name;
+	r.generic.in.domain_name	= ctx->user.domain_name;
+	r.generic.in.oldpassword	= ctx->user.password;
+	r.generic.in.newpassword	= new_password;
+
+	/* do password change */
+	status = libnet_ChangePassword(libnetctx, ctx->mem_ctx, &r);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(0,("net_password_change: %s\n",r.generic.out.error_string));
+		return -1;
+	}
+
+	libnet_context_destroy(&libnetctx);
+
+	return 0;
+}
+
+static int net_password_change_usage(struct net_context *ctx, int argc, const char **argv)
+{
+	d_printf("net_password_change_usage: TODO\n");
+	return 0;	
+}
+
+static int net_password_change_help(struct net_context *ctx, int argc, const char **argv)
+{
+	d_printf("net_password_change_help: TODO\n");
+	return 0;	
+}
+
+static const struct net_functable const net_password_functable[] = {
+	{"change", net_password_change, net_password_change_usage,  net_password_change_help},
+	{NULL, NULL}
+};
+
+int net_password(struct net_context *ctx, int argc, const char **argv) 
+{
+	return net_run_function(ctx, argc, argv, net_password_functable, net_password_usage);
+}
+
+int net_password_usage(struct net_context *ctx, int argc, const char **argv)
+{
+	d_printf("net_password_usage: TODO\n");
+	return 0;	
+}
+
+int net_password_help(struct net_context *ctx, int argc, const char **argv)
+{
+	d_printf("net_password_help: TODO\n");
+	return 0;	
+}