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How to create a tun in osx without installing 3rd party crap
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| #include <netinet/in.h> | |
| #include <string.h> | |
| #include <sys/socket.h> | |
| #include <sys/kern_control.h> | |
| #include <sys/ioctl.h> | |
| #include <sys/sys_domain.h> | |
| #include <sys/kern_event.h> | |
| #include <sys/errno.h> | |
| #define UTUN_CONTROL_NAME "com.apple.net.utun_control" | |
| int get_utun_socket() { | |
| int sock = socket(PF_SYSTEM, SOCK_DGRAM, SYSPROTO_CONTROL); | |
| struct sockaddr_ctl addr; | |
| /* get/set the id */ | |
| struct ctl_info info; | |
| memset(&info, 0, sizeof(info)) ; | |
| strncpy(info.ctl_name, UTUN_CONTROL_NAME, strlen(UTUN_CONTROL_NAME)); | |
| ioctl(sock, CTLIOCGINFO, &info) ; | |
| addr.sc_id = info.ctl_id; | |
| addr.sc_len = sizeof(addr) ; | |
| addr.sc_family = AF_SYSTEM ; | |
| addr.ss_sysaddr = AF_SYS_CONTROL ; | |
| addr.sc_unit = 0 ; /* allocate dynamically */ | |
| connect(sock, (struct sockaddr*)&addr, sizeof(addr)) ; | |
| sleep(500); | |
| return sock; | |
| } | |
| int main(void) { | |
| get_utun_socket(); | |
| } | |
| /* EOf */ |
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