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ifupdown: make dhcp start/stop scripts user configurable

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in /etc/network/interfaces. Patch author is Gabriel L. Somlo <somlo@cmu.edu>
This commit is contained in:
Denis Vlasenko 2006-09-28 22:31:51 +00:00
parent 524176680d
commit 06b543b217
1 changed files with 16 additions and 0 deletions
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16
networking/ifupdown.c
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@ -452,6 +452,14 @@ static int static_down(struct interface_defn_t *ifd, execfn *exec)
static int dhcp_up(struct interface_defn_t *ifd, execfn *exec)
{
int i;
for (i = 0; i < ifd->n_options; i++) {
if (strcmp(ifd->option[i].name, "dhcp-start-cmd") == 0) {
return execute(ifd->option[i].value, ifd, exec);
}
}
if (execute("udhcpc -n -p /var/run/udhcpc.%iface%.pid -i "
"%iface% [[-H %hostname%]] [[-c %clientid%]]", ifd, exec)) return 1;
if (execute("pump -i %iface% [[-h %hostname%]] [[-l %leasehours%]]", ifd, exec)) return 1;
@ -463,6 +471,14 @@ static int dhcp_up(struct interface_defn_t *ifd, execfn *exec)
static int dhcp_down(struct interface_defn_t *ifd, execfn *exec)
{
int i;
for (i = 0; i < ifd->n_options; i++) {
if (strcmp(ifd->option[i].name, "dhcp-stop-cmd") == 0) {
return execute(ifd->option[i].value, ifd, exec);
}
}
/* SIGUSR2 forces udhcpc to release the current lease and go inactive,
* and SIGTERM causes udhcpc to exit. Signals are queued and processed
* sequentially so we don't need to sleep */