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| author | Roy Marples <roy@marples.name> | 2020-08-20 16:28:47 +0100 |
|---|---|---|
| committer | Roy Marples <roy@marples.name> | 2020-08-20 16:28:47 +0100 |
| commit | 2d18b2a25e2e95595ff7b643d2a2754540549e3d (patch) | |
| tree | 736348035fa69ab8f98a919aedd8185728fcd659 /src/privsep-bpf.c | |
| parent | 684895a84c40b4484c7e0d7ce555f7154d8e6d22 (diff) | |
| download | dhcpcd-2d18b2a25e2e95595ff7b643d2a2754540549e3d.tar.xz | |
privsep: Only the master process accepts signals
The master process dictates when processes should stop, which
allows for a clean shutdown when the admin issues `pkill dhcpcd`.
Diffstat (limited to 'src/privsep-bpf.c')
| -rw-r--r-- | src/privsep-bpf.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/src/privsep-bpf.c b/src/privsep-bpf.c index 6892bf2a..3025fda8 100644 --- a/src/privsep-bpf.c +++ b/src/privsep-bpf.c @@ -40,7 +40,6 @@ #include <assert.h> #include <pwd.h> #include <errno.h> -#include <signal.h> #include <stdlib.h> #include <string.h> #include <unistd.h> @@ -170,17 +169,6 @@ ps_bpf_start_bpf(void *arg) return -1; } -static void -ps_bpf_signal_bpfcb(int sig, void *arg) -{ - struct dhcpcd_ctx *ctx = arg; - - if (sig != SIGTERM) - return; - - eloop_exit(ctx->eloop, EXIT_SUCCESS); -} - ssize_t ps_bpf_cmd(struct dhcpcd_ctx *ctx, struct ps_msghdr *psm, struct msghdr *msg) { @@ -249,7 +237,7 @@ ps_bpf_cmd(struct dhcpcd_ctx *ctx, struct ps_msghdr *psm, struct msghdr *msg) start = ps_dostart(ctx, &psp->psp_pid, &psp->psp_fd, ps_bpf_recvmsg, NULL, psp, - ps_bpf_start_bpf, ps_bpf_signal_bpfcb, + ps_bpf_start_bpf, NULL, PSF_DROPPRIVS); switch (start) { case -1: |