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nat46: Delete 464xlat device when pause is interrupted by SIGTERM

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Hans Dedecker 2015-04-16 15:08:18 +02:00
parent e74055ba8f
commit b508f93679
1 changed files with 12 additions and 0 deletions
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12
nat46/src/464xlatcfg.c
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@ -23,6 +23,10 @@
#include <stdio.h> #include <stdio.h>
#include <netdb.h> #include <netdb.h>
static void sighandler(__attribute__((unused)) int signal)
{
}
int main(int argc, const char *argv[]) int main(int argc, const char *argv[])
{ {
char buf[INET6_ADDRSTRLEN], prefix[INET6_ADDRSTRLEN + 4]; char buf[INET6_ADDRSTRLEN], prefix[INET6_ADDRSTRLEN + 4];
@ -48,6 +52,8 @@ int main(int argc, const char *argv[])
if (!argv[3] || !argv[4] || !(fp = fopen(buf, "wx"))) if (!argv[3] || !argv[4] || !(fp = fopen(buf, "wx")))
return 1; return 1;
signal(SIGTERM, sighandler);
prefix[sizeof(prefix) - 1] = 0; prefix[sizeof(prefix) - 1] = 0;
strncpy(prefix, argv[3], sizeof(prefix) - 1); strncpy(prefix, argv[3], sizeof(prefix) - 1);
@ -108,6 +114,12 @@ int main(int argc, const char *argv[])
chdir("/"); chdir("/");
setsid(); setsid();
pause(); pause();
nat46 = fopen("/proc/net/nat46/control", "w");
if (nat46) {
fprintf(nat46, "del %s\n", argv[1]);
fclose(nat46);
}
} else { } else {
fprintf(fp, "%d\n", pid); fprintf(fp, "%d\n", pid);
} }