| 1 | #ifndef CREATE_SYSCALL_TABLE |
| 2 | |
| 3 | #define OVERRIDE_64_connect |
| 4 | SC_LTTNG_TRACEPOINT_EVENT_CODE(connect, |
| 5 | TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * uservaddr, int addrlen), |
| 6 | TP_ARGS(sc_exit(ret,) fd, uservaddr, addrlen), |
| 7 | TP_locvar( |
| 8 | __typeof__(uservaddr->sa_family) sa_family; |
| 9 | uint16_t dport; |
| 10 | uint32_t v4addr; |
| 11 | uint16_t v6addr[8]; |
| 12 | int v4addr_len, v6addr_len; |
| 13 | ), |
| 14 | TP_code( |
| 15 | sc_in( |
| 16 | memset(tp_locvar, 0, sizeof(*tp_locvar)); |
| 17 | if (addrlen < sizeof(struct sockaddr)) |
| 18 | goto skip_code; |
| 19 | (void) get_user(tp_locvar->sa_family, &uservaddr->sa_family); |
| 20 | switch (tp_locvar->sa_family) { |
| 21 | case AF_INET: |
| 22 | if (addrlen < sizeof(struct sockaddr_in)) |
| 23 | goto skip_code; |
| 24 | (void) get_user(tp_locvar->dport, &((struct sockaddr_in *) uservaddr)->sin_port); |
| 25 | (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) uservaddr)->sin_addr.s_addr); |
| 26 | tp_locvar->v4addr_len = 4; |
| 27 | break; |
| 28 | case AF_INET6: |
| 29 | if (addrlen < sizeof(struct sockaddr_in6)) |
| 30 | goto skip_code; |
| 31 | (void) get_user(tp_locvar->dport, &((struct sockaddr_in6 *) uservaddr)->sin6_port); |
| 32 | if (copy_from_user(tp_locvar->v6addr, |
| 33 | &((struct sockaddr_in6 *) uservaddr)->sin6_addr.in6_u.u6_addr8, |
| 34 | sizeof(tp_locvar->v6addr))) |
| 35 | memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr)); |
| 36 | tp_locvar->v6addr_len = 8; |
| 37 | break; |
| 38 | } |
| 39 | skip_code: |
| 40 | ) |
| 41 | ), |
| 42 | TP_STRUCT__entry( |
| 43 | sc_exit(__field(long, ret)) |
| 44 | sc_in(__field(int, fd)) |
| 45 | sc_in(__field_hex(struct sockaddr *, uservaddr)) |
| 46 | sc_in(__field_hex(int, addrlen)) |
| 47 | sc_in(__field(int, family)) |
| 48 | sc_in(__field_network(uint16_t, dport)) |
| 49 | sc_in(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len)) |
| 50 | sc_in(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len)) |
| 51 | ), |
| 52 | TP_fast_assign( |
| 53 | sc_exit(tp_assign(ret, ret)) |
| 54 | sc_in(tp_assign(fd, fd)) |
| 55 | sc_in(tp_assign(uservaddr, uservaddr)) |
| 56 | sc_in(tp_assign(addrlen, addrlen)) |
| 57 | sc_in(tp_assign(family, tp_locvar->sa_family)) |
| 58 | sc_in(tp_assign(dport, tp_locvar->dport)) |
| 59 | sc_in(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr)) |
| 60 | sc_in(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr)) |
| 61 | ), |
| 62 | TP_printk() |
| 63 | ) |
| 64 | |
| 65 | #define OVERRIDE_64_accept |
| 66 | SC_LTTNG_TRACEPOINT_EVENT_CODE(accept, |
| 67 | TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr * upeer_sockaddr, int * upeer_addrlen), |
| 68 | TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen), |
| 69 | TP_locvar( |
| 70 | __typeof__(upeer_sockaddr->sa_family) sa_family; |
| 71 | uint16_t sport; |
| 72 | uint32_t v4addr; |
| 73 | uint16_t v6addr[8]; |
| 74 | int v4addr_len, v6addr_len; |
| 75 | int uaddr_len; |
| 76 | ), |
| 77 | TP_code( |
| 78 | sc_inout( |
| 79 | memset(tp_locvar, 0, sizeof(*tp_locvar)); |
| 80 | (void) get_user(tp_locvar->uaddr_len, upeer_addrlen); |
| 81 | ) |
| 82 | sc_out( |
| 83 | if (tp_locvar->uaddr_len < sizeof(struct sockaddr)) |
| 84 | goto skip_code; |
| 85 | (void) get_user(tp_locvar->sa_family, &upeer_sockaddr->sa_family); |
| 86 | switch (tp_locvar->sa_family) { |
| 87 | case AF_INET: |
| 88 | if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in)) |
| 89 | goto skip_code; |
| 90 | (void) get_user(tp_locvar->sport, &((struct sockaddr_in *) upeer_sockaddr)->sin_port); |
| 91 | (void) get_user(tp_locvar->v4addr, &((struct sockaddr_in *) upeer_sockaddr)->sin_addr.s_addr); |
| 92 | tp_locvar->v4addr_len = 4; |
| 93 | break; |
| 94 | case AF_INET6: |
| 95 | if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6)) |
| 96 | goto skip_code; |
| 97 | (void) get_user(tp_locvar->sport, &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_port); |
| 98 | if (copy_from_user(tp_locvar->v6addr, |
| 99 | &((struct sockaddr_in6 *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8, |
| 100 | sizeof(tp_locvar->v6addr))) |
| 101 | memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr)); |
| 102 | tp_locvar->v6addr_len = 8; |
| 103 | break; |
| 104 | } |
| 105 | skip_code: |
| 106 | ) |
| 107 | ), |
| 108 | TP_STRUCT__entry( |
| 109 | sc_exit(__field(long, ret)) |
| 110 | sc_in(__field(int, fd)) |
| 111 | sc_in(__field_hex(struct sockaddr *, upeer_sockaddr)) |
| 112 | sc_inout(__field(int, upeer_addrlen)) |
| 113 | sc_out(__field(int, family)) |
| 114 | sc_out(__field_network(uint16_t, sport)) |
| 115 | sc_out(__dynamic_array_network(uint8_t, v4addr, tp_locvar->v4addr_len)) |
| 116 | sc_out(__dynamic_array_network_hex(uint16_t, v6addr, tp_locvar->v6addr_len)) |
| 117 | ), |
| 118 | TP_fast_assign( |
| 119 | sc_exit(tp_assign(ret, ret)) |
| 120 | sc_in(tp_assign(fd, fd)) |
| 121 | sc_in(tp_assign(upeer_sockaddr, upeer_sockaddr)) |
| 122 | sc_inout(tp_assign(upeer_addrlen, tp_locvar->uaddr_len)) |
| 123 | sc_out(tp_assign(family, tp_locvar->sa_family)) |
| 124 | sc_out(tp_assign(sport, tp_locvar->sport)) |
| 125 | sc_out(tp_memcpy_dyn(v4addr, &tp_locvar->v4addr)) |
| 126 | sc_out(tp_memcpy_dyn(v6addr, &tp_locvar->v6addr)) |
| 127 | ), |
| 128 | TP_printk() |
| 129 | ) |
| 130 | |
| 131 | #else /* CREATE_SYSCALL_TABLE */ |
| 132 | |
| 133 | #define OVERRIDE_TABLE_64_clone |
| 134 | TRACE_SYSCALL_TABLE(clone, clone, 56, 5) |
| 135 | #define OVERRIDE_TABLE_64_execve |
| 136 | TRACE_SYSCALL_TABLE(execve, execve, 59, 3) |
| 137 | #define OVERRIDE_TABLE_64_getcpu |
| 138 | TRACE_SYSCALL_TABLE(getcpu, getcpu, 309, 3) |
| 139 | |
| 140 | #endif /* CREATE_SYSCALL_TABLE */ |