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/socket_arrays.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