Sun Feb 16 07:00:01 CET 2003

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@616 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 154 insertions, 0 deletions

diff --git a/apps/app_authenticate.c b/apps/app_authenticate.c
new file mode 100755
index 000000000..69d244351
--- /dev/null
+++ b/apps/app_authenticate.c
@@ -0,0 +1,154 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Execute arbitrary authenticate commands
+ * 
+ * Copyright (C) 1999, Mark Spencer
+ *
+ * Mark Spencer <markster@linux-support.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <asterisk/lock.h>
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/app.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include <pthread.h>
+
+
+static char *tdesc = "Authentication Application";
+
+static char *app = "Authenticate";
+
+static char *synopsis = "Authenticate a user";
+
+static char *descrip =
+"  Authenticate(password[|options]): Requires a user to enter a"
+"given password in order to continue execution.  If the\n"
+"password begins with the '/' character, it is interpreted as\n"
+"a file which contains a list of valid passwords (1 per line).\n"
+"an optional set of opions may be provided by concatenating any\n"
+"of the following letters:\n"
+"     a - Set account code to the password that is entered\n"
+"\n"
+"Returns 0 if the user enters a valid password within three\n"
+"tries, or -1 otherwise (or on hangup).\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+static int auth_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	int retries;
+	struct localuser *u;
+	char password[256]="";
+	char passwd[256];
+	char *opts;
+	char *prompt;
+	if (!data || !strlen(data)) {
+		ast_log(LOG_WARNING, "Authenticate requires an argument(password)\n");
+		return -1;
+	}
+	LOCAL_USER_ADD(u);
+	if (chan->_state != AST_STATE_UP) {
+		res = ast_answer(chan);
+		if (res) {
+			LOCAL_USER_REMOVE(u);
+			return -1;
+		}
+	}
+	strncpy(password, data, sizeof(password) - 1);
+	opts=strchr(password, '|');
+	if (opts) {
+		*opts = 0;
+		opts++;
+	} else
+		opts = "";
+	/* Start asking for password */
+	prompt = "agent-pass";
+	for (retries = 0; retries < 3; retries++) {
+		res = ast_app_getdata(chan, prompt, passwd, sizeof(passwd) - 2, 0);
+		if (res < 0)
+			break;
+		res = 0;
+		if (password[0] == '/') {
+			/* Compare against a file */
+			char tmp[80];
+			FILE *f;
+			f = fopen(password, "r");
+			if (f) {
+				char buf[256] = "";
+				while(!feof(f)) {
+					fgets(buf, sizeof(buf), f);
+					if (!feof(f) && strlen(buf)) {
+						buf[strlen(buf) - 1] = '\0';
+						if (strlen(buf) && !strcmp(passwd, buf))
+							break;
+					}
+				}
+				fclose(f);
+				if (strlen(buf) && !strcmp(passwd, buf))
+					break;
+			} else 
+				ast_log(LOG_WARNING, "Unable to open file '%s' for authentication: %s\n", password, strerror(errno));
+		} else {
+			/* Compare against a fixed password */
+			if (!strcmp(passwd, password)) 
+				break;
+		}
+		prompt="auth-incorrect";
+	}
+	if ((retries < 3) && !res) {
+		if (strchr(opts, 'a')) 
+			ast_cdr_setaccount(chan, passwd);
+	} else {
+		if (!res)
+			res = ast_streamfile(chan, "vm-goodbye", chan->language);
+		if (!res)
+			res = ast_waitstream(chan, "");
+		res = -1;
+	}
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+	return ast_register_application(app, auth_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}