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31 lines
697 B
C++
31 lines
697 B
C++
#include "net.hpp"
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#include "str.hpp"
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#include <arpa/inet.h>
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#include <ifaddrs.h>
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namespace llarp {
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namespace net {
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bool GetIfAddr(const std::string& ifname, int af, sockaddr* addr) {
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ifaddrs* ifa = nullptr;
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bool found = false;
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socklen_t sl = sizeof(sockaddr_in6);
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if (af == AF_INET) sl = sizeof(sockaddr_in);
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if (getifaddrs(&ifa) == -1) return false;
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ifaddrs* i = ifa;
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while (i) {
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if (llarp::StrEq(i->ifa_name, ifname.c_str()) && i->ifa_addr &&
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i->ifa_addr->sa_family == af) {
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memcpy(addr, i->ifa_addr, sl);
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found = true;
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break;
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}
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i = i->ifa_next;
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}
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if (ifa) freeifaddrs(ifa);
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return found;
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}
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} // namespace net
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} // namespace llarp
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