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@ -25,8 +25,8 @@ |
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#include <linux/if_ether.h> |
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#include <linux/if_packet.h> |
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static int _raw_packet_start(const char *ifname, unsigned char *ethmac, |
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struct eth_sandbox_raw_priv *priv) |
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static int _raw_packet_start(struct eth_sandbox_raw_priv *priv, |
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unsigned char *ethmac) |
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{ |
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struct sockaddr_ll *device; |
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struct packet_mreq mr; |
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@ -40,7 +40,8 @@ static int _raw_packet_start(const char *ifname, unsigned char *ethmac, |
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return -ENOMEM; |
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device = priv->device; |
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memset(device, 0, sizeof(struct sockaddr_ll)); |
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device->sll_ifindex = if_nametoindex(ifname); |
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device->sll_ifindex = if_nametoindex(priv->host_ifname); |
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priv->host_ifindex = device->sll_ifindex; |
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device->sll_family = AF_PACKET; |
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memcpy(device->sll_addr, ethmac, 6); |
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device->sll_halen = htons(6); |
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@ -53,11 +54,11 @@ static int _raw_packet_start(const char *ifname, unsigned char *ethmac, |
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return -errno; |
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} |
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/* Bind to the specified interface */ |
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ret = setsockopt(priv->sd, SOL_SOCKET, SO_BINDTODEVICE, ifname, |
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strlen(ifname) + 1); |
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ret = setsockopt(priv->sd, SOL_SOCKET, SO_BINDTODEVICE, |
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priv->host_ifname, strlen(priv->host_ifname) + 1); |
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if (ret < 0) { |
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printf("Failed to bind to '%s': %d %s\n", ifname, errno, |
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strerror(errno)); |
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printf("Failed to bind to '%s': %d %s\n", priv->host_ifname, |
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errno, strerror(errno)); |
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return -errno; |
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} |
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@ -76,11 +77,12 @@ static int _raw_packet_start(const char *ifname, unsigned char *ethmac, |
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printf("Failed to set promiscuous mode: %d %s\n" |
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"Falling back to the old \"flags\" way...\n", |
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errno, strerror(errno)); |
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if (strlen(ifname) >= IFNAMSIZ) { |
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printf("Interface name %s is too long.\n", ifname); |
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if (strlen(priv->host_ifname) >= IFNAMSIZ) { |
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printf("Interface name %s is too long.\n", |
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priv->host_ifname); |
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return -EINVAL; |
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} |
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strncpy(ifr.ifr_name, ifname, IFNAMSIZ); |
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strncpy(ifr.ifr_name, priv->host_ifname, IFNAMSIZ); |
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if (ioctl(priv->sd, SIOCGIFFLAGS, &ifr) < 0) { |
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printf("Failed to read flags: %d %s\n", errno, |
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strerror(errno)); |
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@ -142,13 +144,13 @@ static int _local_inet_start(struct eth_sandbox_raw_priv *priv) |
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return 0; |
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} |
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int sandbox_eth_raw_os_start(const char *ifname, unsigned char *ethmac, |
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struct eth_sandbox_raw_priv *priv) |
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int sandbox_eth_raw_os_start(struct eth_sandbox_raw_priv *priv, |
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unsigned char *ethmac) |
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{ |
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if (priv->local) |
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return _local_inet_start(priv); |
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else |
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return _raw_packet_start(ifname, ethmac, priv); |
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return _raw_packet_start(priv, ethmac); |
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} |
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int sandbox_eth_raw_os_send(void *packet, int length, |
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