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Merge pull request #549 from hmueller01/set-dhcps-lease-time

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DHCP lease time
This commit is contained in:
martin-ger
2025-02-05 20:24:31 +01:00
committed by GitHub
parent bf2e78e1e8 8e59e2fd20
commit 7f4149c59e
4 changed files with 14 additions and 0 deletions
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README.md
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@@ -122,6 +122,7 @@ Any part of a command line input after a single "#" until the end of the line wi
- set max_portmap _no_of_entries_: sets the size of the portmap table (default 32)
- set tcp_timeout _secs_: sets the NAPT timeout for TCP connections (0=default (1800 secs))
- set udp_timeout _secs_: sets the NAPT timeout for UDP connections (0=default (2 secs))
- set lease _min_: sets the lease time in minutes for the internal network DHCP server (default 120)
- show dhcp: prints the current status of the dhcp lease table
### Routing
user/config_flash.c
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@@ -158,6 +158,7 @@ uint32_t reg0, reg1, reg3;
config->no_routes = 0;
config->dhcps_entries = 0;
config->dhcps_lease_time = 120;
#if ACLS
acl_init(); // initializes the ACLs, written in config during save
#endif
user/config_flash.h
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@@ -142,6 +142,7 @@ typedef struct {
uint16_t dhcps_entries; // number of allocated entries in the following table
struct dhcps_pool dhcps_p[MAX_DHCP]; // DHCP entries
uint32_t dhcps_lease_time; // DHCP server lease time, 120 minutes by default [1, 2880]
#if ACLS
acl_entry acl[MAX_NO_ACLS][MAX_ACL_ENTRIES]; // ACL entries
uint8_t acl_freep[MAX_NO_ACLS]; // ACL free pointers
user/user_main.c
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@@ -1603,6 +1603,8 @@ void ICACHE_FLASH_ATTR console_handle_command(struct espconn *pespconn)
{
int i;
struct dhcps_pool *p;
os_sprintf(response, "DHCP lease time: %dmin\r\n", config.dhcps_lease_time);
to_console(response);
os_sprintf_flash(response, "DHCP table:\r\n");
to_console(response);
for (i = 0; (p = dhcps_get_mapping(i)); i++)
@@ -2873,6 +2875,14 @@ void ICACHE_FLASH_ATTR console_handle_command(struct espconn *pespconn)
goto command_handled;
}
if (strcmp(tokens[1], "lease") == 0)
{
config.dhcps_lease_time = atoi(tokens[2]);
os_sprintf(response, "Lease time set to %dmin\r\n",
config.dhcps_lease_time);
goto command_handled;
}
if (strcmp(tokens[1], "ap_mac") == 0)
{
if (!parse_mac(config.AP_MAC_address, tokens[2]))
@@ -4045,6 +4055,7 @@ void ICACHE_FLASH_ATTR user_set_softap_ip_config(void)
dhcp_lease.end_ip = config.network_addr;
ip4_addr4(&dhcp_lease.end_ip) = 128;
wifi_softap_set_dhcps_lease(&dhcp_lease);
wifi_softap_set_dhcps_lease_time(config.dhcps_lease_time); // in minutes
wifi_softap_dhcps_start();