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| author | Roy Marples <roy@marples.name> | 2020-12-12 17:35:45 +0000 |
|---|---|---|
| committer | Roy Marples <roy@marples.name> | 2020-12-12 17:35:45 +0000 |
| commit | 7a85694c6cad5cde8adfad70a712952b14a90b96 (patch) | |
| tree | 5bdf1fbcf8a2f88601a2cd3c135f9fe38c7d572a | |
| parent | c81acbb4e5be6e1bf511f97308f42242638c9956 (diff) | |
| download | dhcpcd-7a85694c6cad5cde8adfad70a712952b14a90b96.tar.xz | |
privsep: Allow getsockopt for SO_RCVBUF on Linux
For when the link socket overflows
| -rw-r--r-- | src/privsep-linux.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/privsep-linux.c b/src/privsep-linux.c index 1fbe97fa..050a30cf 100644 --- a/src/privsep-linux.c +++ b/src/privsep-linux.c @@ -28,6 +28,7 @@ #include <sys/ioctl.h> #include <sys/prctl.h> +#include <sys/socket.h> #include <sys/syscall.h> #include <sys/termios.h> /* For TCGETS */ @@ -252,6 +253,11 @@ static struct sock_filter ps_seccomp_filter[] = { #ifdef __NR_getpid SECCOMP_ALLOW(__NR_getpid), #endif +#ifdef __NR_getsockopt + /* For route socket overflow */ + SECCOMP_ALLOW_ARG(__NR_getsockopt, 1, SOL_SOCKET), + SECCOMP_ALLOW_ARG(__NR_getsockopt, 2, SO_RCVBUF), +#endif #ifdef __NR_ioctl SECCOMP_ALLOW_ARG(__NR_ioctl, 1, SIOCGIFFLAGS), SECCOMP_ALLOW_ARG(__NR_ioctl, 1, SIOCGIFHWADDR), |