mirror of https://github.com/dswd/vpncloud.git
15 lines
409 B
C
15 lines
409 B
C
#include <stdint.h>
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#include <net/if.h>
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#include <linux/if_tun.h>
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#include <string.h>
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#include <sys/ioctl.h>
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int32_t setup_tap_device(int32_t fd, char *ifname) {
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struct ifreq ifr;
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memset(&ifr, 0, sizeof(ifr));
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ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
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strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
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if (ioctl(fd, TUNSETIFF, (void *)&ifr) < 0) return 1;
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strncpy(ifname, ifr.ifr_name, IFNAMSIZ);
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return 0;
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} |