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icmpv6_ping.c: change socket type from SOCK_DGRAM to SOCK_RAW #3322

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icmpv6_ping.c: change socket type from SOCK_DGRAM to SOCK_RAW #3322

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18 changes: 17 additions & 1 deletion netutils/ping/icmpv6_ping.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@
#endif

#include <arpa/inet.h>
#include <netinet/icmp6.h>

#include <nuttx/clock.h>
#include <nuttx/net/icmpv6.h>
Expand Down Expand Up @@ -169,6 +170,7 @@ void icmp6_ping(FAR const struct ping6_info_s *info)
struct ping6_result_s result;
struct sockaddr_in6 destaddr;
struct sockaddr_in6 fromaddr;
struct icmp6_filter filter;
struct icmpv6_echo_request_s outhdr;
FAR struct icmpv6_echo_reply_s *inhdr;
struct pollfd recvfd;
Expand Down Expand Up @@ -210,7 +212,7 @@ void icmp6_ping(FAR const struct ping6_info_s *info)
return;
}

sockfd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_ICMP6);
sockfd = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
if (sockfd < 0)
{
icmp6_callback(&result, ICMPv6_E_SOCKET, errno);
Expand All @@ -232,6 +234,20 @@ void icmp6_ping(FAR const struct ping6_info_s *info)
}
#endif

memset(&filter, 0xff, sizeof(filter));

/* ICMPv6_ECHO_REPLY >> 5 = 4 */

filter.icmp6_filt[4] &= ~(1 << (ICMPv6_ECHO_REPLY & 31));
if (setsockopt(sockfd, SOL_ICMPV6, ICMP6_FILTER, &filter,
sizeof(filter)) < 0)
{
icmp6_callback(&result, ICMPv6_E_SOCKET, errno);
close(sockfd);
free(iobuffer);
return;
}

kickoff = clock();

memset(&destaddr, 0, sizeof(struct sockaddr_in6));
Expand Down
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