1 files changed, 140 insertions, 0 deletions
diff --git a/trunk/src/permission.c b/trunk/src/permission.c
new file mode 100644
index 000000000..3d597052c
--- /dev/null
+++ b/trunk/src/permission.c
@@ -0,0 +1,140 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: http://www.musicpd.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "permission.h"
+
+#include "conf.h"
+#include "list.h"
+#include "log.h"
+#include "utils.h"
+
+#include <string.h>
+
+#define PERMISSION_PASSWORD_CHAR	"@"
+#define PERMISSION_SEPERATOR		","
+
+#define PERMISSION_READ_STRING		"read"
+#define PERMISSION_ADD_STRING		"add"
+#define PERMISSION_CONTROL_STRING	"control"
+#define PERMISSION_ADMIN_STRING		"admin"
+
+static List *permission_passwords;
+
+static int permission_default;
+
+static int parsePermissions(char *string)
+{
+	int permission = 0;
+	char *temp;
+	char *tok;
+
+	if (!string)
+		return 0;
+
+	temp = strtok_r(string, PERMISSION_SEPERATOR, &tok);
+	while (temp) {
+		if (strcmp(temp, PERMISSION_READ_STRING) == 0) {
+			permission |= PERMISSION_READ;
+		} else if (strcmp(temp, PERMISSION_ADD_STRING) == 0) {
+			permission |= PERMISSION_ADD;
+		} else if (strcmp(temp, PERMISSION_CONTROL_STRING) == 0) {
+			permission |= PERMISSION_CONTROL;
+		} else if (strcmp(temp, PERMISSION_ADMIN_STRING) == 0) {
+			permission |= PERMISSION_ADMIN;
+		} else {
+			FATAL("unknown permission \"%s\"\n", temp);
+		}
+
+		temp = strtok_r(NULL, PERMISSION_SEPERATOR, &tok);
+	}
+
+	return permission;
+}
+
+void initPermissions(void)
+{
+	char *temp;
+	char *cp2;
+	char *password;
+	int *permission;
+	ConfigParam *param;
+
+	permission_passwords = makeList(free, 1);
+
+	permission_default = PERMISSION_READ | PERMISSION_ADD |
+	    PERMISSION_CONTROL | PERMISSION_ADMIN;
+
+	param = getNextConfigParam(CONF_PASSWORD, NULL);
+
+	if (param) {
+		permission_default = 0;
+
+		do {
+			if (!strstr(param->value, PERMISSION_PASSWORD_CHAR)) {
+				FATAL("\"%s\" not found in password string "
+				      "\"%s\", line %i\n",
+				      PERMISSION_PASSWORD_CHAR,
+				      param->value, param->line);
+			}
+
+			if (!(temp = strtok_r(param->value,
+					      PERMISSION_PASSWORD_CHAR,
+					      &cp2))) {
+				FATAL("something weird just happened in permission.c\n");
+			}
+
+			password = temp;
+
+			permission = xmalloc(sizeof(int));
+			*permission =
+			    parsePermissions(strtok_r(NULL, "", &cp2));
+
+			insertInList(permission_passwords, password,
+				     permission);
+		} while ((param = getNextConfigParam(CONF_PASSWORD, param)));
+	}
+
+	param = getConfigParam(CONF_DEFAULT_PERMS);
+
+	if (param)
+		permission_default = parsePermissions(param->value);
+
+	sortList(permission_passwords);
+}
+
+int getPermissionFromPassword(char *password, int *permission)
+{
+	void *foundPermission;
+
+	if (findInList(permission_passwords, password, &foundPermission)) {
+		*permission = *((int *)foundPermission);
+		return 0;
+	}
+
+	return -1;
+}
+
+void finishPermissions(void)
+{
+	freeList(permission_passwords);
+}
+
+int getDefaultPermissions(void)
+{
+	return permission_default;
+}