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ipv4: add getsockopt IP_MULTICAST_IF

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also fix setsockopt

Change-Id: Idb8fafbe7aa9931af82ebccdc4d2e487f9c0eeb1
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3419
Reviewed-by: Rene Gollent <[email protected]>
This commit is contained in:
Jérôme Duval
2020-11-26 07:37:29 +00:00
committed by Adrien Destugues
parent 9e3513fc30
commit bd337347f2
1 changed files with 18 additions and 1 deletions
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src/add-ons/kernel/network/protocols/ipv4/ipv4.cpp
+18 -1
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@@ -1184,6 +1184,21 @@ ipv4_getsockopt(net_protocol* _protocol, int level, int option, void* value,
return get_int_option(value, *_length, protocol->time_to_live);
if (option == IP_TOS)
return get_int_option(value, *_length, protocol->service_type);
if (option == IP_MULTICAST_IF) {
if (*_length != sizeof(struct in_addr))
return B_BAD_VALUE;
struct sockaddr_in defaultAddress;
defaultAddress.sin_addr.s_addr = htonl(INADDR_ANY);
struct sockaddr_in* address =
(struct sockaddr_in*)protocol->multicast_address;
if (address == NULL)
address = &defaultAddress;
if (user_memcpy(value, &address->sin_addr, sizeof(struct in_addr))
!= B_OK) {
return B_BAD_ADDRESS;
}
return B_OK;
}
if (option == IP_MULTICAST_TTL) {
return get_char_int_option(value, *_length,
protocol->multicast_time_to_live);
@@ -1268,11 +1283,13 @@ ipv4_setsockopt(net_protocol* _protocol, int level, int option,
if (address == NULL)
return B_NO_MEMORY;
if (user_memcpy(&address->sin_addr, value, sizeof(struct in_addr))
struct in_addr sin_addr;
if (user_memcpy(&sin_addr, value, sizeof(struct in_addr))
!= B_OK) {
delete address;
return B_BAD_ADDRESS;
}
fill_sockaddr_in(address, sin_addr.s_addr);
// Using INADDR_ANY to remove the previous setting.
if (address->sin_addr.s_addr == htonl(INADDR_ANY)) {