Password management redesigned (untested).

3 files changed, 80 insertions, 80 deletions

diff --git a/nest/config.Y b/nest/config.Y
index 4f9b46b..7a83a60 100644
--- a/nest/config.Y
+++ b/nest/config.Y
@@ -11,18 +11,21 @@ CF_HDR
 #include "nest/rt-dev.h"
 #include "nest/password.h"
 #include "nest/cmds.h"
+#include "lib/lists.h"
 
 CF_DEFINES
 
 static struct proto_config *this_proto;
 static struct iface_patt *this_ipatt;
+static list *this_p_list;
+static struct password_item *this_p_item;
 
 CF_DECLS
 
 CF_KEYWORDS(ROUTER, ID, PROTOCOL, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
 CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE, STATES, ROUTES, FILTERS)
 CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
-CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREIMPORT)
+CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREIMPORT, GENERATE)
 
 CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
 	RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE)
@@ -33,7 +36,7 @@ CF_ENUM(T_ENUM_RTD, RTD_, ROUTER, DEVICE, BLACKHOLE, UNREACHABLE, PROHIBIT)
 %type <i32> idval
 %type <f> imexport
 %type <r> rtable
-%type <p> password_list password_begin
+%type <p> password_list password_begin password_begin_list
 %type <s> optsym
 %type <ra> r_args
 %type <i> echo_mask echo_size debug_mask debug_list debug_flag import_or_proto
@@ -193,36 +196,71 @@ debug_flag:
 
 /* Password lists */
 
-password_begin: 
+password_items: 
+    /* empty */
+  | password_item ';' password_items
+;
+
+password_item:
+    password_item_begin '{' password_item_params '}'
+  | password_item_begin
+;
+
+password_item_begin:
    PASSWORD TEXT {
-     last_password_item = cfg_alloc(sizeof (struct password_item));
-     last_password_item->password = $2;
-     last_password_item->from = 0;
-     last_password_item->to = TIME_INFINITY;
-     last_password_item->id = 0;
-     last_password_item->next = NULL;
-     $$=last_password_item;
+     static int id = 0;
+     this_p_item = cfg_alloc(sizeof (struct password_item));
+     this_p_item->password = $2;
+     this_p_item->genfrom = 0;
+     this_p_item->gento = TIME_INFINITY;
+     this_p_item->accfrom = 0;
+     this_p_item->accto = TIME_INFINITY;
+     this_p_item->id = id++;
+     add_tail(this_p_list, &this_p_item->n);
    }
- ;
+;
 
-password_items:
+password_item_params:
    /* empty */ { } 
- | FROM datetime password_items { last_password_item->from = $2; }
- | TO datetime password_items { last_password_item->to = $2; }
- | PASSIVE datetime password_items { last_password_item->passive = $2; }
- | ID expr password_items { last_password_item->id = $2; }
+ | GENERATE FROM datetime ';' password_item_params { this_p_item->genfrom = $3; }
+ | GENERATE TO datetime ';' password_item_params { this_p_item->gento = $3; }
+ | ACCEPT FROM datetime ';' password_item_params { this_p_item->accfrom = $3; }
+ | ACCEPT TO datetime ';' password_item_params { this_p_item->accto = $3; }
+ | ID expr ';' password_item_params { this_p_item->id = $2; }
  ;
 
-password_list: 
-   /* empty */ { $$ = NULL; } 
- | password_begin password_items ';' password_list {
-     $1->next = $4;
+password_list:
+   password_begin_list '{' password_items '}' {
      $$ = $1;
    }
- ;
+ | password_begin
+;
+
+password_begin_list:
+  PASSWORDS {
+     this_p_list = cfg_alloc(sizeof(list));
+     init_list(this_p_list);
+     $$ = this_p_list;
+  }
+;
+
+password_begin:
+  PASSWORD TEXT {
+     this_p_list = cfg_alloc(sizeof(list));
+     init_list(this_p_list);
+     this_p_item = cfg_alloc(sizeof (struct password_item));
+     this_p_item->password = $2;
+     this_p_item->genfrom = 0;
+     this_p_item->gento = TIME_INFINITY;
+     this_p_item->accfrom = 0;
+     this_p_item->accto = TIME_INFINITY;
+     this_p_item->id = 0;
+     add_tail(this_p_list, &this_p_item->n);
+     $$ = this_p_list;
+  }
+;
 
 /* Core commands */
-
 CF_CLI_HELP(SHOW, ..., [[Show status information]])
 
 CF_CLI(SHOW STATUS,,, [[Show router status]])
diff --git a/nest/password.c b/nest/password.c
index 594569c..6309602 100644
--- a/nest/password.c
+++ b/nest/password.c
@@ -1,7 +1,8 @@
 /*
  *	BIRD -- Password handling
  *
- *	Copyright 1999 Pavel Machek <pavel@ucw.cz>
+ *	(c) 1999 Pavel Machek <pavel@ucw.cz>
+ *	(c) 2004 Ondrej Filip <feela@network.cz>
  *
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
@@ -12,62 +13,22 @@
 
 struct password_item *last_password_item = NULL;
 
-static int
-password_goodness(struct password_item *i)
-{
-  if (i->from > now)
-    return 0;
-  if (i->to < now)
-    return 0;
-  if (i->passive < now)
-    return 1;
-  return 2;
-}
-
 struct password_item *
-get_best_password(struct password_item *head, int flags UNUSED)
+password_find(list *l)
 {
-  int good = -1;
-  struct password_item *best = NULL;
+  struct password_item *pi;
 
-  while (head) {
-    int cur = password_goodness(head);
-    if (cur > good) {
-      good = cur;
-      best = head;
-    }
-    head=head->next;
+  WALK_LIST(pi, *l)
+  {
+    if ((pi->genfrom > now) && (pi->gento < now))
+      return pi;
   }
-  return best;
+  return NULL;
 }
 
-void
-password_strncpy(char *to, char *from, int len)
+void password_cpy(char *dst, char *src, int size)
 {
-  int i;
-  for (i=0; i<len; i++) {
-    *to++ = *from;
-    if (*from)
-      from++;
-  }
+  bzero(dst, size);
+  memcpy(dst, src, strlen(src) < size ? strlen(src) : size);
 }
 
-int
-password_same(struct password_item *old, struct password_item *new)
-{
-  for(;;)
-    {
-      if (old == new)
-	return 1;
-      if (!old || !new)
-	return 0;
-      if (old->from    != new->from    ||
-	  old->to      != new->to      ||
-	  old->passive != new->passive ||
-	  old->id      != new->id      ||
-	  strcmp(old->password, new->password))
-	return 0;
-      old = old->next;
-      new = new->next;
-    }
-}
diff --git a/nest/password.h b/nest/password.h
index 481eeb6..0c45383 100644
--- a/nest/password.h
+++ b/nest/password.h
@@ -1,7 +1,8 @@
 /*
  *	BIRD -- Password handling
  *
- *	Copyright 1999 Pavel Machek <pavel@ucw.cz>
+ *	(c) 1999 Pavel Machek <pavel@ucw.cz>
+ *	(c) 2004 Ondrej Filip <feela@network.cz>
  *
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
@@ -10,18 +11,18 @@
 #define PASSWORD_H
 #include "lib/timer.h"
 
+#define MD5_AUTH_SIZE 16
+
 struct password_item {
-  struct password_item *next;
+  node n;
   char *password;
   int id;
-  bird_clock_t from, passive, to;
+  bird_clock_t accfrom, accto, genfrom, gento;
 };
 
 extern struct password_item *last_password_item;
 
-struct password_item *get_best_password(struct password_item *head, int flags);
-extern int password_same(struct password_item *, struct password_item *);
-extern void password_strncpy(char *to, char *from, int len);
-
+struct password_item *password_find(list *);
+void password_cpy(char *dst, char *src, int size);
 
 #endif