diff options
Diffstat (limited to 'initd/mksock.c')
-rw-r--r-- | initd/mksock.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/initd/mksock.c b/initd/mksock.c new file mode 100644 index 0000000..ab26e51 --- /dev/null +++ b/initd/mksock.c @@ -0,0 +1,65 @@ +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/stat.h> +#include <sys/un.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <stdio.h> + +#include "telinit.h" +#include "init.h" + +int mksock(void) +{ + struct sockaddr_un un; + int fd, flags; + + fd = socket(AF_UNIX, SOCK_STREAM, 0); + if (fd < 0) { + perror("socket"); + return -1; + } + + flags = fcntl(fd, F_GETFD); + if (flags == -1) { + perror("socket F_GETFD"); + goto fail; + } + + if (fcntl(fd, F_SETFD, flags | O_CLOEXEC)) { + perror("socket F_SETFD"); + goto fail; + } + + memset(&un, 0, sizeof(un)); + un.sun_family = AF_UNIX; + + strcpy(un.sun_path, INITSOCK); + + if (bind(fd, (struct sockaddr *)&un, sizeof(un))) { + perror("bind: " INITSOCK); + goto fail; + } + + if (chown(INITSOCK, 0, 0)) { + perror("chown: " INITSOCK); + goto fail; + } + + if (chmod(INITSOCK, 0770)) { + perror("chmod: " INITSOCK); + goto fail; + } + + if (listen(fd, 10)) { + perror("listen"); + goto fail; + } + + return fd; +fail: + close(fd); + unlink(INITSOCK); + return -1; +} |