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