* net.c (printcmsghdr): add IP_PKTINFO decoding
* xlat/sol_ip_vals.in: new file
Signed-off-by: Gabriel Laskar <gabr...@lse.epita.fr>
Suggested-by: Orion Poplawski <or...@cora.nwra.com>
---
net.c | 11 +++++++++++
xlat/sol_ip_vals.in | 1 +
2 files changed, 12 insertions(+)
create mode 100644 xlat/sol_ip_vals.in
diff --git a/net.c b/net.c
index 7e8586a..85e5536 100644
--- a/net.c
+++ b/net.c
@@ -294,6 +294,7 @@ printsock(struct tcb *tcp, long addr, int addrlen)
# define SCM_SECURITY 0x03
# endif
# include "xlat/scmvals.h"
+# include "xlat/sol_ip_vals.h"
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
struct cmsghdr32 {
@@ -423,6 +424,16 @@ printcmsghdr(struct tcb *tcp, unsigned long addr, size_t
len)
goto next_cmsg;
break;
}
+ } else if (cmsg_level == SOL_IP) {
+ printxval(sol_ip_vals, cmsg_type, "IP_???");
+ if (cmsg_size + sizeof(struct in_pktinfo) > cmsg_len)
+ break;
+ struct in_pktinfo *pktinfo = (void*)(u.ptr + cmsg_size);
+ tprintf(", {ipi_ifindex=%u, ipi_spec_dst=inet_addr(%s),
ipi_addr=inet_addr(%s)}",
+ pktinfo->ipi_ifindex,
+ inet_ntoa(pktinfo->ipi_spec_dst),
+ inet_ntoa(pktinfo->ipi_addr));
+ goto next_cmsg;
} else {
tprintf("%u", cmsg_type);
}
diff --git a/xlat/sol_ip_vals.in b/xlat/sol_ip_vals.in
new file mode 100644
index 0000000..4f8304b
--- /dev/null
+++ b/xlat/sol_ip_vals.in
@@ -0,0 +1 @@
+IP_PKTINFO
--
Gabriel Laskar
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