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 static 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 }; 18 DEFINE_STRARRAY(socket_families, "PF_"); 19 20 static 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 28 static 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 43 static 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 49 static 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 55 static 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 70 size_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, "%#x", arg->val); 76 } 77