--- /dev/null
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
+
+#ifndef CREATE_SYSCALL_TABLE
+
+#define OVERRIDE_64_connect
+SC_LTTNG_TRACEPOINT_EVENT_CODE(connect,
+ TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr __user * uservaddr, int addrlen),
+ TP_ARGS(sc_exit(ret,) fd, uservaddr, addrlen),
+ TP_locvar(
+ __typeof__(uservaddr->sa_family) sa_family;
+ uint16_t dport;
+ uint32_t v4addr;
+ uint16_t v6addr[8];
+ unsigned int v4addr_len, v6addr_len;
+ ),
+ TP_code_pre(
+ sc_in(
+ memset(tp_locvar, 0, sizeof(*tp_locvar));
+ if (addrlen < sizeof(tp_locvar->sa_family))
+ goto skip_code;
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->sa_family,
+ &uservaddr->sa_family, sizeof(tp_locvar->sa_family));
+ switch (tp_locvar->sa_family) {
+ case AF_INET:
+ if (addrlen < sizeof(struct sockaddr_in))
+ goto skip_code;
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->dport,
+ &((struct sockaddr_in __user *) uservaddr)->sin_port,
+ sizeof(tp_locvar->dport));
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->v4addr,
+ &((struct sockaddr_in __user *) uservaddr)->sin_addr.s_addr,
+ sizeof(tp_locvar->v4addr));
+ tp_locvar->v4addr_len = 4;
+ break;
+ case AF_INET6:
+ if (addrlen < sizeof(struct sockaddr_in6))
+ goto skip_code;
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->dport,
+ &((struct sockaddr_in6 __user *) uservaddr)->sin6_port,
+ sizeof(tp_locvar->dport));
+ if (lib_ring_buffer_copy_from_user_check_nofault(tp_locvar->v6addr,
+ &((struct sockaddr_in6 __user *) uservaddr)->sin6_addr.in6_u.u6_addr8,
+ sizeof(tp_locvar->v6addr)))
+ memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr));
+ tp_locvar->v6addr_len = 8;
+ break;
+ }
+ skip_code:
+ )
+ ),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, fd, fd))
+ sc_in(ctf_integer_hex(struct sockaddr *, uservaddr, uservaddr))
+ sc_in(ctf_integer_hex(int, addrlen, addrlen))
+ sc_in(ctf_integer(unsigned short, family, tp_locvar->sa_family))
+ sc_in(ctf_integer_network(uint16_t, dport, tp_locvar->dport))
+ sc_in(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, unsigned int, tp_locvar->v4addr_len))
+ sc_in(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
+ ),
+ TP_code_post()
+)
+
+#define LTTNG_SYSCALL_ACCEPT_locvar \
+ __typeof__(upeer_sockaddr->sa_family) sa_family;\
+ uint16_t sport; \
+ uint32_t v4addr; \
+ uint16_t v6addr[8]; \
+ int v4addr_len, v6addr_len; \
+ int uaddr_len;
+
+#define LTTNG_SYSCALL_ACCEPT_code_pre \
+ sc_inout( \
+ memset(tp_locvar, 0, sizeof(*tp_locvar)); \
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->uaddr_len, \
+ upeer_addrlen, sizeof(tp_locvar->uaddr_len)); \
+ ) \
+ sc_out( \
+ if (tp_locvar->uaddr_len < sizeof(tp_locvar->sa_family)) \
+ goto skip_code; \
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->sa_family, \
+ &upeer_sockaddr->sa_family, sizeof(tp_locvar->sa_family)); \
+ switch (tp_locvar->sa_family) { \
+ case AF_INET: \
+ if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in)) \
+ goto skip_code; \
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->sport, \
+ &((struct sockaddr_in __user *) upeer_sockaddr)->sin_port, \
+ sizeof(tp_locvar->sport)); \
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->v4addr, \
+ &((struct sockaddr_in __user *) upeer_sockaddr)->sin_addr.s_addr, \
+ sizeof(tp_locvar->v4addr)); \
+ tp_locvar->v4addr_len = 4; \
+ break; \
+ case AF_INET6: \
+ if (tp_locvar->uaddr_len < sizeof(struct sockaddr_in6)) \
+ goto skip_code; \
+ (void) lib_ring_buffer_copy_from_user_check_nofault(&tp_locvar->sport, \
+ &((struct sockaddr_in6 __user *) upeer_sockaddr)->sin6_port, \
+ sizeof(tp_locvar->sport)); \
+ if (lib_ring_buffer_copy_from_user_check_nofault(tp_locvar->v6addr, \
+ &((struct sockaddr_in6 __user *) upeer_sockaddr)->sin6_addr.in6_u.u6_addr8, \
+ sizeof(tp_locvar->v6addr))) \
+ memset(tp_locvar->v6addr, 0, sizeof(tp_locvar->v6addr)); \
+ tp_locvar->v6addr_len = 8; \
+ break; \
+ } \
+ skip_code: \
+ )
+
+#define OVERRIDE_64_accept
+SC_LTTNG_TRACEPOINT_EVENT_CODE(accept,
+ TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr __user * upeer_sockaddr, int __user * upeer_addrlen),
+ TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen),
+ TP_locvar(
+ LTTNG_SYSCALL_ACCEPT_locvar
+ ),
+ TP_code_pre(
+ LTTNG_SYSCALL_ACCEPT_code_pre
+ ),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, fd, fd))
+ sc_in(ctf_integer_hex(struct sockaddr *, upeer_sockaddr, upeer_sockaddr))
+ sc_inout(ctf_integer(int, upeer_addrlen, tp_locvar->uaddr_len))
+ sc_out(ctf_integer(unsigned short, family, tp_locvar->sa_family))
+ sc_out(ctf_integer_network(uint16_t, sport, tp_locvar->sport))
+ sc_out(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, unsigned int, tp_locvar->v4addr_len))
+ sc_out(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
+ ),
+ TP_code_post()
+)
+
+#define OVERRIDE_64_accept4
+SC_LTTNG_TRACEPOINT_EVENT_CODE(accept4,
+ TP_PROTO(sc_exit(long ret,) int fd, struct sockaddr __user * upeer_sockaddr, int __user * upeer_addrlen, int flags),
+ TP_ARGS(sc_exit(ret,) fd, upeer_sockaddr, upeer_addrlen, flags),
+ TP_locvar(
+ LTTNG_SYSCALL_ACCEPT_locvar
+ ),
+ TP_code_pre(
+ LTTNG_SYSCALL_ACCEPT_code_pre
+ ),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, fd, fd))
+ sc_in(ctf_integer_hex(struct sockaddr *, upeer_sockaddr, upeer_sockaddr))
+ sc_inout(ctf_integer(int, upeer_addrlen, tp_locvar->uaddr_len))
+ sc_in(ctf_integer_hex(int, flags, flags))
+ sc_out(ctf_integer(unsigned short, family, tp_locvar->sa_family))
+ sc_out(ctf_integer_network(uint16_t, sport, tp_locvar->sport))
+ sc_out(ctf_sequence_network(uint8_t, v4addr, &tp_locvar->v4addr, unsigned int, tp_locvar->v4addr_len))
+ sc_out(ctf_sequence_network(uint16_t, v6addr, &tp_locvar->v6addr, unsigned int, tp_locvar->v6addr_len))
+ ),
+ TP_code_post()
+)
+
+#define OVERRIDE_64_pipe
+SC_LTTNG_TRACEPOINT_EVENT(pipe,
+ TP_PROTO(sc_exit(long ret,) int * fildes),
+ TP_ARGS(sc_exit(ret,) fildes),
+ TP_FIELDS(sc_exit(ctf_integer(long, ret, ret))
+ sc_out(ctf_user_array(int, fildes, fildes, 2))
+ )
+)
+
+#else /* CREATE_SYSCALL_TABLE */
+
+#define OVERRIDE_TABLE_64_clone
+TRACE_SYSCALL_TABLE(clone, clone, 56, 5)
+#define OVERRIDE_TABLE_64_execve
+TRACE_SYSCALL_TABLE(execve, execve, 59, 3)
+#define OVERRIDE_TABLE_64_getcpu
+TRACE_SYSCALL_TABLE(getcpu, getcpu, 309, 3)
+
+#endif /* CREATE_SYSCALL_TABLE */
projects / lttng-modules.git / blobdiff