Add basic PrivilegeSet API.

include/privilege.h

@@ -0,0 +1,47 @@
+/*
+ * charybdis: an advanced ircd.
+ * privilege.h: Dynamic privileges API.
+ *
+ * Copyright (c) 2008 William Pitcock <nenolod@dereferenced.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CHARYBDIS_PRIVILEGE_H
+#define __CHARYBDIS_PRIVILEGE_H
+
+#include "stdinc.h"
+
+typedef enum {
+	PRIV_NEEDOPER = 1
+} PrivilegeFlags;
+
+struct PrivilegeSet {
+	int refs;
+	char *name;
+	char *privs;
+	PrivilegeFlags flags;
+	rb_dlink_node node;
+};
+
+int privilegeset_in_set(struct PrivilegeSet *set, const char *priv);
+struct PrivilegeSet *privilegeset_set_new(const char *name, const char *privs, PrivilegeFlags flags);
+struct PrivilegeSet *privilegeset_get(const char *name);
+void privilegeset_ref(struct PrivilegeSet *set);
+void privilegeset_unref(struct PrivilegeSet *set);
+
+#endif

src/Makefile.in

@@ -78,6 +78,7 @@ SRCS =                          \
   numeric.c                     \
   packet.c                      \
   parse.c                       \
+  privilege.c			\
   res.c				\
   reslib.c			\
   reject.c			\

src/privilege.c

@@ -0,0 +1,93 @@
+/*
+ * charybdis: an advanced ircd.
+ * privilege.c: Dynamic privileges API.
+ *
+ * Copyright (c) 2008 William Pitcock <nenolod@dereferenced.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdinc.h>
+#include "privilege.h"
+
+static rb_dlink_list privilegeset_list = {};
+
+int
+privilegeset_in_set(struct PrivilegeSet *set, const char *priv)
+{
+	s_assert(set != NULL);
+	s_assert(priv != NULL);
+
+	return strstr(set->privs, priv) != NULL;
+}
+
+struct PrivilegeSet *
+privilegeset_set_new(const char *name, const char *privs, PrivilegeFlags flags)
+{
+	struct PrivilegeSet *set;
+
+	set = rb_malloc(sizeof(struct PrivilegeSet));
+	set->refs = 1;
+	set->name = rb_strdup(name);
+	set->privs = rb_strdup(privs);
+	set->flags = flags;
+
+	rb_dlinkAdd(set, &set->node, &privilegeset_list);
+
+	return set;
+}
+
+struct PrivilegeSet *
+privilegeset_get(const char *name)
+{
+	rb_dlink_node *iter;
+
+	s_assert(name != NULL);
+
+	RB_DLINK_FOREACH(iter, privilegeset_list.head)
+	{
+		struct PrivilegeSet *set = (struct PrivilegeSet *) iter->data;
+
+		if (!strcasecmp(set->name, name))
+			return set;
+	}
+
+	return NULL;
+}
+
+void
+privilegeset_ref(struct PrivilegeSet *set)
+{
+	s_assert(set != NULL);
+
+	set->refs++;
+}
+
+void
+privilegeset_unref(struct PrivilegeSet *set)
+{
+	s_assert(set != NULL);
+
+	if (--set->refs == 0)
+	{
+		rb_dlinkDelete(&set->node, &privilegeset_list);
+
+		rb_free(set->name);
+		rb_free(set->privs);
+		rb_free(set);
+	}
+}