1
2
3
4#include "trace/beauty/beauty.h"
5#include <sys/socket.h>
6#include <sys/types.h>
7#include <sys/un.h>
8#include <arpa/inet.h>
9
10static const char *socket_families[] = {
11 "UNSPEC", "LOCAL", "INET", "AX25", "IPX", "APPLETALK", "NETROM",
12 "BRIDGE", "ATMPVC", "X25", "INET6", "ROSE", "DECnet", "NETBEUI",
13 "SECURITY", "KEY", "NETLINK", "PACKET", "ASH", "ECONET", "ATMSVC",
14 "RDS", "SNA", "IRDA", "PPPOX", "WANPIPE", "LLC", "IB", "CAN", "TIPC",
15 "BLUETOOTH", "IUCV", "RXRPC", "ISDN", "PHONET", "IEEE802154", "CAIF",
16 "ALG", "NFC", "VSOCK",
17};
18DEFINE_STRARRAY(socket_families, "PF_");
19
20static size_t af_inet__scnprintf(struct sockaddr *sa, char *bf, size_t size)
21{
22 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
23 char tmp[16];
24 return scnprintf(bf, size, ", port: %d, addr: %s", ntohs(sin->sin_port),
25 inet_ntop(sin->sin_family, &sin->sin_addr, tmp, sizeof(tmp)));
26}
27
28static size_t af_inet6__scnprintf(struct sockaddr *sa, char *bf, size_t size)
29{
30 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
31 u32 flowinfo = ntohl(sin6->sin6_flowinfo);
32 char tmp[512];
33 size_t printed = scnprintf(bf, size, ", port: %d, addr: %s", ntohs(sin6->sin6_port),
34 inet_ntop(sin6->sin6_family, &sin6->sin6_addr, tmp, sizeof(tmp)));
35 if (flowinfo != 0)
36 printed += scnprintf(bf + printed, size - printed, ", flowinfo: %lu", flowinfo);
37 if (sin6->sin6_scope_id != 0)
38 printed += scnprintf(bf + printed, size - printed, ", scope_id: %lu", sin6->sin6_scope_id);
39
40 return printed;
41}
42
43static size_t af_local__scnprintf(struct sockaddr *sa, char *bf, size_t size)
44{
45 struct sockaddr_un *sun = (struct sockaddr_un *)sa;
46 return scnprintf(bf, size, ", path: %s", sun->sun_path);
47}
48
49static size_t (*af_scnprintfs[])(struct sockaddr *sa, char *bf, size_t size) = {
50 [AF_LOCAL] = af_local__scnprintf,
51 [AF_INET] = af_inet__scnprintf,
52 [AF_INET6] = af_inet6__scnprintf,
53};
54
55static size_t syscall_arg__scnprintf_augmented_sockaddr(struct syscall_arg *arg, char *bf, size_t size)
56{
57 struct sockaddr *sa = (struct sockaddr *)arg->augmented.args;
58 char family[32];
59 size_t printed;
60
61 strarray__scnprintf(&strarray__socket_families, family, sizeof(family), "%d", arg->show_string_prefix, sa->sa_family);
62 printed = scnprintf(bf, size, "{ .family: %s", family);
63
64 if (sa->sa_family < ARRAY_SIZE(af_scnprintfs) && af_scnprintfs[sa->sa_family])
65 printed += af_scnprintfs[sa->sa_family](sa, bf + printed, size - printed);
66
67 return printed + scnprintf(bf + printed, size - printed, " }");
68}
69
70size_t syscall_arg__scnprintf_sockaddr(char *bf, size_t size, struct syscall_arg *arg)
71{
72 if (arg->augmented.args)
73 return syscall_arg__scnprintf_augmented_sockaddr(arg, bf, size);
74
75 return scnprintf(bf, size, "%#lx", arg->val);
76}
77
