1 files changed, 182 insertions, 0 deletions
diff --git a/WWW/Library/Implementation/HTGroup.h b/WWW/Library/Implementation/HTGroup.h
new file mode 100644
index 0000000..7874565
--- /dev/null
+++ b/WWW/Library/Implementation/HTGroup.h
@@ -0,0 +1,182 @@
+/*                                    GROUP FILE ROUTINES
+
+ */
+
+#ifndef HTGROUP_H
+#define HTGROUP_H
+
+#include <HTList.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    typedef HTList GroupDefList;
+    typedef HTList ItemList;
+
+    typedef struct {
+	char *group_name;
+	ItemList *item_list;
+    } GroupDef;
+
+/*
+ * Access Authorization failure reasons
+ */
+    typedef enum {
+	HTAA_OK,		/* 200 OK                               */
+	HTAA_OK_GATEWAY,	/* 200 OK, acting as a gateway          */
+	HTAA_NO_AUTH,		/* 401 Unauthorized, not authenticated  */
+	HTAA_NOT_MEMBER,	/* 401 Unauthorized, not authorized     */
+	HTAA_IP_MASK,		/* 403 Forbidden by IP mask             */
+	HTAA_BY_RULE,		/* 403 Forbidden by rule                */
+	HTAA_NO_ACL,		/* 403 Forbidden, ACL non-existent      */
+	HTAA_NO_ENTRY,		/* 403 Forbidden, no ACL entry          */
+	HTAA_SETUP_ERROR,	/* 403 Forbidden, server setup error    */
+	HTAA_DOTDOT,		/* 403 Forbidden, URL with /../ illegal */
+	HTAA_HTBIN,		/* 403 Forbidden, /htbin not enabled    */
+	HTAA_NOT_FOUND		/* 404 Not found, or read protected     */
+    } HTAAFailReasonType;
+
+/*
+
+Group definition grammar
+
+  string
+                         "sequence of alphanumeric characters"
+
+  user_name
+                         string
+
+  group_name
+                         string
+
+  group_ref
+                         group_name
+
+  user_def
+                         user_name | group_ref
+
+  user_def_list
+                           user_def { ',' user_def }
+
+  user_part
+                         user_def | '(' user_def_list ')'
+
+  templ
+
+                         "sequence of alphanumeric characters and '*'s"
+
+  ip_number_mask
+                         templ '.' templ '.' templ '.' templ
+
+  domain_name_mask
+                         templ { '.' templ }
+
+  address
+
+                         ip_number_mask | domain_name_mask
+
+  address_def
+
+                         address
+
+  address_def_list
+                         address_def { ',' address_def }
+
+  address_part
+                         address_def | '(' address_def_list ')'
+
+  item
+                         [user_part] ['@' address_part]
+
+  item_list
+                         item { ',' item }
+
+  group_def
+                         item_list
+
+  group_decl
+                         group_name ':' group_def
+
+  PARSE GROUP DEFINITION
+
+ */
+
+    extern GroupDef *HTAA_parseGroupDef(FILE *fp);
+
+/*
+
+Fill in Pointers to referenced Group Definitions in a Group Definition
+
+   References to groups (by their name) are resolved from group_def_list and pointers to
+   those structures are added to group_def.
+
+ */
+
+    extern void HTAA_resolveGroupReferences(GroupDef *group_def,
+					    GroupDefList *group_def_list);
+
+/*
+
+Read Group File (and do caching)
+
+   If group file is already in cache returns a pointer to previously read group definition
+   list.
+
+ */
+
+    extern GroupDefList *HTAA_readGroupFile(const char *filename);
+
+/*
+
+Delete Group Definition
+
+   Groups in cache should never be freed by this function.  This should only be used to
+   free group definitions read by HTAA_parseGroupDef.
+
+ */
+
+    extern void GroupDef_delete(GroupDef *group_def);
+
+/*
+
+Print Out Group Definition (for trace purposes)
+
+ */
+
+    extern void HTAA_printGroupDef(GroupDef *group_def);
+
+/*
+
+Does a User Belong to a Given Set of Groups
+
+   This function checks both the username and the internet address.
+
+ */
+
+/* PUBLIC                                       HTAA_userAndInetInGroup()
+ *              CHECK IF USER BELONGS TO TO A GIVEN GROUP
+ *              AND THAT THE CONNECTION COMES FROM AN
+ *              ADDRESS THAT IS ALLOWED BY THAT GROUP
+ * ON ENTRY:
+ *      group           the group definition structure.
+ *      username        connecting user.
+ *      ip_number       browser host IP number, optional.
+ *      ip_name         browser host IP name, optional.
+ *                      However, one of ip_number or ip_name
+ *                      must be given.
+ * ON EXIT:
+ *      returns         HTAA_IP_MASK, if IP address mask was
+ *                      reason for failing.
+ *                      HTAA_NOT_MEMBER, if user does not belong
+ *                      to the group.
+ *                      HTAA_OK if both IP address and user are ok.
+ */
+    extern HTAAFailReasonType HTAA_userAndInetInGroup(GroupDef *group,
+						      char *username,
+						      char *ip_number,
+						      char *ip_name);
+
+#ifdef __cplusplus
+}
+#endif
+#endif				/* not HTGROUP_H */