1 // SPDX-License-Identifier: LGPL-2.1
2 // Copyright (C) 2018, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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
10 #include "trace/beauty/generated/sockaddr.c"
11 DEFINE_STRARRAY(socket_families, "PF_");
12
13 static size_t af_inet__scnprintf(struct sockaddr *sa, char *bf, size_t size)
14 {
15 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
16 char tmp[16];
17 return scnprintf(bf, size, ", port: %d, addr: %s", ntohs(sin->sin_port),
18 inet_ntop(sin->sin_family, &sin->sin_addr, tmp, sizeof(tmp)));
19 }
20
21 static size_t af_inet6__scnprintf(struct sockaddr *sa, char *bf, size_t size)
22 {
23 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
24 u32 flowinfo = ntohl(sin6->sin6_flowinfo);
25 char tmp[512];
26 size_t printed = scnprintf(bf, size, ", port: %d, addr: %s", ntohs(sin6->sin6_port),
27 inet_ntop(sin6->sin6_family, &sin6->sin6_addr, tmp, sizeof(tmp)));
28 if (flowinfo != 0)
29 printed += scnprintf(bf + printed, size - printed, ", flowinfo: %lu", flowinfo);
30 if (sin6->sin6_scope_id != 0)
31 printed += scnprintf(bf + printed, size - printed, ", scope_id: %lu", sin6->sin6_scope_id);
32
33 return printed;
34 }
35
36 static size_t af_local__scnprintf(struct sockaddr *sa, char *bf, size_t size)
37 {
38 struct sockaddr_un *sun = (struct sockaddr_un *)sa;
39 return scnprintf(bf, size, ", path: %s", sun->sun_path);
40 }
41
42 static size_t (*af_scnprintfs[])(struct sockaddr *sa, char *bf, size_t size) = {
43 [AF_LOCAL] = af_local__scnprintf,
44 [AF_INET] = af_inet__scnprintf,
45 [AF_INET6] = af_inet6__scnprintf,
46 };
47
48 static size_t syscall_arg__scnprintf_augmented_sockaddr(struct syscall_arg *arg, char *bf, size_t size)
49 {
50 struct sockaddr *sa = (struct sockaddr *)arg->augmented.args;
51 char family[32];
52 size_t printed;
53
54 strarray__scnprintf(&strarray__socket_families, family, sizeof(family), "%d", arg->show_string_prefix, sa->sa_family);
55 printed = scnprintf(bf, size, "{ .family: %s", family);
56
57 if (sa->sa_family < ARRAY_SIZE(af_scnprintfs) && af_scnprintfs[sa->sa_family])
58 printed += af_scnprintfs[sa->sa_family](sa, bf + printed, size - printed);
59
60 return printed + scnprintf(bf + printed, size - printed, " }");
61 }
62
63 size_t syscall_arg__scnprintf_sockaddr(char *bf, size_t size, struct syscall_arg *arg)
64 {
65 if (arg->augmented.args)
66 return syscall_arg__scnprintf_augmented_sockaddr(arg, bf, size);
67
68 return scnprintf(bf, size, "%#lx", arg->val);
69 }
70
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