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udhcp: new config option "Rewrite the lease file at every new acknowledge"

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(Mats Erik Andersson <mats@blue2net.com> (Blue2Net AB))
udhcp: consistently treat server_config.start/end IPs as host-order
       fix IP parsing for 64bit machines
       fix unsafe hton macro usage in read_opt()
       do not chdir("/") when daemonizing
       fix help text
This commit is contained in:
Denis Vlasenko
2007-07-01 17:05:57 +00:00
parent dc7a5eae36
commit c82b5108e1
10 changed files with 153 additions and 117 deletions
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18
networking/udhcp/dhcpd.h
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@@ -27,23 +27,24 @@ struct static_lease {
struct server_config_t {
uint32_t server; /* Our IP, in network order */
uint32_t start; /* Start address of leases, network order */
uint32_t end; /* End of leases, network order */
/* start,end are in host order: we need to compare start <= ip <= end */
uint32_t start_ip; /* Start address of leases, in host order */
uint32_t end_ip; /* End of leases, in host order */
struct option_set *options; /* List of DHCP options loaded from the config file */
char *interface; /* The name of the interface to use */
int ifindex; /* Index number of the interface to use */
uint8_t arp[6]; /* Our arp address */
unsigned long lease; /* lease time in seconds (host order) */
unsigned long max_leases; /* maximum number of leases (including reserved address) */
char remaining; /* should the lease file be interpreted as lease time remaining, or
* as the time the lease expires */
unsigned long lease; /* lease time in seconds (host order) */
unsigned long max_leases; /* maximum number of leases (including reserved address) */
unsigned long auto_time; /* how long should udhcpd wait before writing a config file.
* if this is zero, it will only write one on SIGUSR1 */
unsigned long decline_time; /* how long an address is reserved if a client returns a
* decline message */
unsigned long conflict_time; /* how long an arp conflict offender is leased for */
unsigned long offer_time; /* how long an offered address is reserved */
unsigned long min_lease; /* minimum lease a client can request*/
unsigned long min_lease; /* minimum lease a client can request */
char *lease_file;
char *pidfile;
char *notify_file; /* What to run whenever leases are written */
@@ -95,13 +96,6 @@ int send_inform(struct dhcpMessage *oldpacket);
/*** files.h ***/
struct config_keyword {
const char *keyword;
int (* const handler)(const char *line, void *var);
void *var;
const char *def;
};
int read_config(const char *file);
void write_leases(void);
void read_leases(const char *file);