Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_discof_replay_generated_fd_replay_tile_seccomp_h
3 : #define HEADER_fd_src_discof_replay_generated_fd_replay_tile_seccomp_h
4 :
5 : #if defined(__linux__)
6 :
7 : #include "../../../../src/util/fd_util_base.h"
8 : #include <linux/audit.h>
9 : #include <linux/capability.h>
10 : #include <linux/filter.h>
11 : #include <linux/seccomp.h>
12 : #include <linux/bpf.h>
13 : #include <linux/unistd.h>
14 : #include <sys/syscall.h>
15 : #include <signal.h>
16 : #include <stddef.h>
17 :
18 : #if defined(__i386__)
19 : # define ARCH_NR AUDIT_ARCH_I386
20 : #elif defined(__x86_64__)
21 : # define ARCH_NR AUDIT_ARCH_X86_64
22 : #elif defined(__aarch64__)
23 : # define ARCH_NR AUDIT_ARCH_AARCH64
24 : #elif defined(__riscv) && __riscv_xlen == 64
25 : # define ARCH_NR AUDIT_ARCH_RISCV64
26 : #else
27 : # error "Target architecture is unsupported by seccomp."
28 : #endif
29 :
30 : #define FD_SECCOMP_ARG_LO_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) )
31 : #define FD_SECCOMP_ARG_HI_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) + 4U )
32 :
33 : #define FD_SECCOMP_ARG_LO(x) ((uint)(((ulong)(uint)(int)(x) ) & 0xffffffffUL))
34 : #define FD_SECCOMP_ARG_HI(x) ((uint)(((ulong)(x) >> 32) & 0xffffffffUL))
35 :
36 : static const uint sock_filter_policy_fd_replay_tile_instr_cnt = 70;
37 :
38 0 : static void populate_sock_filter_policy_fd_replay_tile( ulong out_cnt, struct sock_filter out[ static 70 ], uint logfile_fd, uint accounts_fd, uint store_fd, uint stake_spill_fd, uint epoch_credits_fd, uint cost_tracker_fd, uint vote_stakes_fd ) {
39 0 : FD_TEST( out_cnt >= 70 );
40 0 : struct sock_filter filter[70] = {
41 : /* validate architecture */
42 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, arch ) )),
43 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ARCH_NR, 0, /* RET_KILL_PROCESS */ 10 ),
44 : /* load syscall number */
45 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, nr ) )),
46 : /* check write */
47 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_write, /* check_write */ 10, 0 ),
48 : /* check fsync */
49 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 15, 0 ),
50 : /* check pwritev2 */
51 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_pwritev2, /* check_pwritev2 */ 18, 0 ),
52 : /* check preadv2 */
53 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_preadv2, /* check_preadv2 */ 21, 0 ),
54 : /* check fallocate */
55 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fallocate, /* check_fallocate */ 24, 0 ),
56 : /* check futex */
57 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_futex, /* check_futex */ 29, 0 ),
58 : /* allow restart_syscall */
59 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_restart_syscall, /* RET_ALLOW */ 3, 0 ),
60 : /* check pread64 */
61 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_pread64, /* check_pread64 */ 37, 0 ),
62 : /* check pwrite64 */
63 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_pwrite64, /* check_pwrite64 */ 48, 0 ),
64 : // RET_KILL_PROCESS:
65 : /* default deny */
66 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
67 : // RET_ALLOW:
68 : /* allow */
69 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
70 : // check_write:
71 : /* arg 0 low 32 bits */
72 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
73 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* write_ALLOW */ 3, /* or_1 */ 0 ),
74 : // or_1:
75 : /* arg 0 low 32 bits */
76 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
77 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* write_ALLOW */ 1, /* write_KILL */ 0 ),
78 : // write_KILL:
79 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
80 : // write_ALLOW:
81 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
82 : // check_fsync:
83 : /* arg 0 low 32 bits */
84 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
85 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* fsync_ALLOW */ 1, /* fsync_KILL */ 0 ),
86 : // fsync_KILL:
87 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
88 : // fsync_ALLOW:
89 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
90 : // check_pwritev2:
91 : /* arg 0 low 32 bits */
92 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
93 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(accounts_fd)), /* pwritev2_ALLOW */ 1, /* pwritev2_KILL */ 0 ),
94 : // pwritev2_KILL:
95 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
96 : // pwritev2_ALLOW:
97 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
98 : // check_preadv2:
99 : /* arg 0 low 32 bits */
100 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
101 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(accounts_fd)), /* preadv2_ALLOW */ 1, /* preadv2_KILL */ 0 ),
102 : // preadv2_KILL:
103 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
104 : // preadv2_ALLOW:
105 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
106 : // check_fallocate:
107 : /* arg 0 low 32 bits */
108 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
109 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(accounts_fd)), /* and_2 */ 0, /* fallocate_KILL */ 2 ),
110 : // and_2:
111 : /* arg 1 low 32 bits */
112 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
113 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* fallocate_ALLOW */ 1, /* fallocate_KILL */ 0 ),
114 : // fallocate_KILL:
115 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
116 : // fallocate_ALLOW:
117 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
118 : // check_futex:
119 : /* arg 1 low 32 bits */
120 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
121 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(FUTEX_WAKE), /* and_4 */ 0, /* or_3 */ 2 ),
122 : // and_4:
123 : /* arg 2 low 32 bits */
124 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
125 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000001U, /* futex_ALLOW */ 5, /* or_3 */ 0 ),
126 : // or_3:
127 : /* arg 1 low 32 bits */
128 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
129 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(FUTEX_WAIT_BITSET), /* and_5 */ 0, /* futex_KILL */ 2 ),
130 : // and_5:
131 : /* arg 2 low 32 bits */
132 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
133 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* futex_ALLOW */ 1, /* futex_KILL */ 0 ),
134 : // futex_KILL:
135 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
136 : // futex_ALLOW:
137 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
138 : // check_pread64:
139 : /* arg 0 low 32 bits */
140 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
141 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(store_fd)), /* pread64_ALLOW */ 9, /* or_6 */ 0 ),
142 : // or_6:
143 : /* arg 0 low 32 bits */
144 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
145 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(stake_spill_fd)), /* pread64_ALLOW */ 7, /* or_7 */ 0 ),
146 : // or_7:
147 : /* arg 0 low 32 bits */
148 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
149 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(epoch_credits_fd)), /* pread64_ALLOW */ 5, /* or_8 */ 0 ),
150 : // or_8:
151 : /* arg 0 low 32 bits */
152 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
153 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(cost_tracker_fd)), /* pread64_ALLOW */ 3, /* or_9 */ 0 ),
154 : // or_9:
155 : /* arg 0 low 32 bits */
156 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
157 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(vote_stakes_fd)), /* pread64_ALLOW */ 1, /* pread64_KILL */ 0 ),
158 : // pread64_KILL:
159 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
160 : // pread64_ALLOW:
161 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
162 : // check_pwrite64:
163 : /* arg 0 low 32 bits */
164 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
165 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(stake_spill_fd)), /* pwrite64_ALLOW */ 7, /* or_10 */ 0 ),
166 : // or_10:
167 : /* arg 0 low 32 bits */
168 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
169 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(epoch_credits_fd)), /* pwrite64_ALLOW */ 5, /* or_11 */ 0 ),
170 : // or_11:
171 : /* arg 0 low 32 bits */
172 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
173 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(cost_tracker_fd)), /* pwrite64_ALLOW */ 3, /* or_12 */ 0 ),
174 : // or_12:
175 : /* arg 0 low 32 bits */
176 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
177 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(vote_stakes_fd)), /* pwrite64_ALLOW */ 1, /* pwrite64_KILL */ 0 ),
178 : // pwrite64_KILL:
179 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
180 : // pwrite64_ALLOW:
181 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
182 0 : };
183 0 : fd_memcpy( out, filter, sizeof( filter ) );
184 0 : }
185 :
186 : #endif /* defined(__linux__) */
187 :
188 : #endif /* HEADER_fd_src_discof_replay_generated_fd_replay_tile_seccomp_h */
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