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- The IO system now tracks all local IP addresses, so that the DHCP

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applications (particularly the dhcrelay) can discern between what frames
  were tranmsitted to it, and what frames are being carried through it which
  it should not intercept. [ISC-Bugs #15573]
This commit is contained in:
David Hankins
2006-02-27 23:56:13 +00:00
parent 00663f8159
commit 25b988c68f
10 changed files with 253 additions and 88 deletions
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19
includes/dhcpd.h
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@@ -779,6 +779,12 @@ struct client_state {
struct option_state *sent_options; /* Options we sent. */
};
/* Relay agent server list. */
struct server_list {
struct server_list *next;
struct sockaddr_in to;
} *servers;
/* Information about each network interface. */
struct interface_info {
@@ -787,7 +793,12 @@ struct interface_info {
struct shared_network *shared_network;
/* Networks connected to this interface. */
struct hardware hw_address; /* Its physical address. */
struct in_addr primary_address; /* Primary interface address. */
struct in_addr *addresses; /* Addresses associated with
interface. */
int address_count; /* Number of addresses associated with
interface. */
int address_max; /* Max number of addresses we can
store in current buffer. */
u_int8_t *circuit_id; /* Circuit ID associated with this
interface. */
@@ -796,6 +807,8 @@ struct interface_info {
u_int8_t *remote_id; /* Remote ID associated with this
interface (if any). */
unsigned remote_id_len; /* Length of Remote ID. */
struct server_list *servers; /* List of relay servers for this
interface. */
char name [IFNAMSIZ]; /* Its name... */
int index; /* Its index. */
@@ -808,6 +821,9 @@ struct interface_info {
size_t rbuf_len; /* Length of data in buffer. */
struct ifreq *ifp; /* Pointer to ifreq struct. */
int configured; /* If set to 1, interface has at
* least one valid IP address.
*/
u_int32_t flags; /* Control flags... */
#define INTERFACE_REQUESTED 1
#define INTERFACE_AUTOMATIC 2
@@ -2037,6 +2053,7 @@ int parse_ip_addr PROTO ((struct parse *, struct iaddr *));
void parse_reject_statement PROTO ((struct parse *, struct client_config *));
/* dhcrelay.c */
void new_relay_server (char *, struct server_list **);
void relay PROTO ((struct interface_info *, struct dhcp_packet *, unsigned,
unsigned int, struct iaddr, struct hardware *));
int strip_relay_agent_options PROTO ((struct interface_info *,