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Diffstat (limited to 'networking/udhcp/leases.c')
-rw-r--r--networking/udhcp/leases.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c
index 7ade91d93..0b6b409cd 100644
--- a/networking/udhcp/leases.c
+++ b/networking/udhcp/leases.c
@@ -9,12 +9,12 @@
9#include <netinet/in.h> 9#include <netinet/in.h>
10#include <arpa/inet.h> 10#include <arpa/inet.h>
11 11
12#include "debug.h"
13#include "dhcpd.h" 12#include "dhcpd.h"
14#include "files.h" 13#include "files.h"
15#include "options.h" 14#include "options.h"
16#include "leases.h"
17#include "arpping.h" 15#include "arpping.h"
16#include "common.h"
17
18 18
19unsigned char blank_chaddr[] = {[0 ... 15] = 0}; 19unsigned char blank_chaddr[] = {[0 ... 15] = 0};
20 20
@@ -102,6 +102,20 @@ struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr)
102} 102}
103 103
104 104
105/* check is an IP is taken, if it is, add it to the lease table */
106static int check_ip(u_int32_t addr)
107{
108 struct in_addr temp;
109
110 if (arpping(addr, server_config.server, server_config.arp, server_config.interface) == 0) {
111 temp.s_addr = addr;
112 LOG(LOG_INFO, "%s belongs to someone, reserving it for %ld seconds",
113 inet_ntoa(temp), server_config.conflict_time);
114 add_lease(blank_chaddr, addr, server_config.conflict_time);
115 return 1;
116 } else return 0;
117}
118
105/* find an assignable address, it check_expired is true, we check all the expired leases as well. 119/* find an assignable address, it check_expired is true, we check all the expired leases as well.
106 * Maybe this should try expired leases by age... */ 120 * Maybe this should try expired leases by age... */
107u_int32_t find_address(int check_expired) 121u_int32_t find_address(int check_expired)
@@ -133,19 +147,3 @@ u_int32_t find_address(int check_expired)
133 } 147 }
134 return 0; 148 return 0;
135} 149}
136
137
138/* check is an IP is taken, if it is, add it to the lease table */
139int check_ip(u_int32_t addr)
140{
141 struct in_addr temp;
142
143 if (arpping(addr, server_config.server, server_config.arp, server_config.interface) == 0) {
144 temp.s_addr = addr;
145 LOG(LOG_INFO, "%s belongs to someone, reserving it for %ld seconds",
146 inet_ntoa(temp), server_config.conflict_time);
147 add_lease(blank_chaddr, addr, server_config.conflict_time);
148 return 1;
149 } else return 0;
150}
151