diff options
| -rw-r--r-- | sinit.c | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -4,6 +4,7 @@ #include <sys/wait.h> #include <sys/mount.h> #include <sys/stat.h> +#include <net/if.h> #include <fcntl.h> #include <grp.h> @@ -12,6 +13,7 @@ #include <stdlib.h> #include <unistd.h> #include <time.h> +#include <string.h> #define LEN(x) (sizeof (x) / sizeof *(x)) @@ -21,6 +23,7 @@ static void sigreboot(void); static void spawn(int (*)(), char *const []); static void spawn_as(uid_t, gid_t, char *const [], char *const []); static void mounts(void); +static void ifup(const char *iface); static struct { int sig; @@ -49,10 +52,14 @@ main(void) #endif chdir("/"); - sethostname(HOSTNAME, sizeof(HOSTNAME)-1); - mounts(); + sigfillset(&set); sigprocmask(SIG_BLOCK, &set, NULL); + + sethostname(HOSTNAME, sizeof(HOSTNAME)-1); + mounts(); + ifup("lo"); + ioctl(STDIN_FILENO, TIOCNOTTY, 0); for (i=0;i < LEN(init_procs);i++) { @@ -187,3 +194,20 @@ udev_settled(void) return 0; return info.st_gid == 97; /* input group */ } + +static void +ifup(const char *iface) +{ + struct ifreq ifr; + int sk; + + sk = socket(AF_INET, SOCK_DGRAM, 0); + if (sk < 0) { + perror("ifup: socket:"); + } + + memset(&ifr, 0, sizeof(struct ifreq)); + strncpy(ifr.ifr_name, iface, IFNAMSIZ); + ifr.ifr_flags |= IFF_UP; + ioctl(sk, SIOCSIFFLAGS, &ifr); +} |