Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_discof_restore_generated_fd_snapld_tile_seccomp_h
3 : #define HEADER_fd_src_discof_restore_generated_fd_snapld_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 : #else
25 : # error "Target architecture is unsupported by seccomp."
26 : #endif
27 :
28 : #define FD_SECCOMP_ARG_LO_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) )
29 : #define FD_SECCOMP_ARG_HI_OFFSET(argno) ( offsetof( struct seccomp_data, args[(argno)] ) + 4U )
30 :
31 : #define FD_SECCOMP_ARG_LO(x) ((uint)(((ulong)(uint)(int)(x) ) & 0xffffffffUL))
32 : #define FD_SECCOMP_ARG_HI(x) ((uint)(((ulong)(x) >> 32) & 0xffffffffUL))
33 :
34 : static const uint sock_filter_policy_fd_snapld_tile_instr_cnt = 105;
35 :
36 0 : static void populate_sock_filter_policy_fd_snapld_tile( ulong out_cnt, struct sock_filter out[ static 105 ], uint logfile_fd, uint in_full_fd, uint in_incr_fd, uint sockfd ) {
37 0 : FD_TEST( out_cnt >= 105 );
38 0 : struct sock_filter filter[105] = {
39 : /* validate architecture */
40 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, arch ) )),
41 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ARCH_NR, 0, /* RET_KILL_PROCESS */ 15 ),
42 : /* load syscall number */
43 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, nr ) )),
44 : /* check write */
45 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_write, /* check_write */ 15, 0 ),
46 : /* check fsync */
47 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 20, 0 ),
48 : /* check read */
49 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_read, /* check_read */ 23, 0 ),
50 : /* check lseek */
51 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 30, 0 ),
52 : /* check socket */
53 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_socket, /* check_socket */ 41, 0 ),
54 : /* check connect */
55 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_connect, /* check_connect */ 48, 0 ),
56 : /* check close */
57 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_close, /* check_close */ 57, 0 ),
58 : /* check sendto */
59 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sendto, /* check_sendto */ 66, 0 ),
60 : /* check recvfrom */
61 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_recvfrom, /* check_recvfrom */ 75, 0 ),
62 : /* check ppoll */
63 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ppoll, /* check_ppoll */ 84, 0 ),
64 : /* allow clock_nanosleep */
65 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_clock_nanosleep, /* RET_ALLOW */ 4, 0 ),
66 : /* allow getpid */
67 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getpid, /* RET_ALLOW */ 3, 0 ),
68 : /* allow getrandom */
69 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getrandom, /* RET_ALLOW */ 2, 0 ),
70 : /* check exit */
71 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_exit, /* check_exit */ 84, 0 ),
72 : // RET_KILL_PROCESS:
73 : /* default deny */
74 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
75 : // RET_ALLOW:
76 : /* allow */
77 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
78 : // check_write:
79 : /* arg 0 low 32 bits */
80 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
81 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* write_ALLOW */ 3, /* or_1 */ 0 ),
82 : // or_1:
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)), /* write_ALLOW */ 1, /* write_KILL */ 0 ),
86 : // write_KILL:
87 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
88 : // write_ALLOW:
89 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
90 : // check_fsync:
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)(logfile_fd)), /* fsync_ALLOW */ 1, /* fsync_KILL */ 0 ),
94 : // fsync_KILL:
95 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
96 : // fsync_ALLOW:
97 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
98 : // check_read:
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)(in_full_fd)), /* read_ALLOW */ 5, /* or_2 */ 0 ),
102 : // or_2:
103 : /* arg 0 low 32 bits */
104 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
105 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* read_ALLOW */ 3, /* or_3 */ 0 ),
106 : // or_3:
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)(sockfd)), /* read_ALLOW */ 1, /* read_KILL */ 0 ),
110 : // read_KILL:
111 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
112 : // read_ALLOW:
113 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
114 : // check_lseek:
115 : /* arg 0 low 32 bits */
116 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
117 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* and_4 */ 2, /* or_5 */ 0 ),
118 : // or_5:
119 : /* arg 0 low 32 bits */
120 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
121 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* and_4 */ 0, /* lseek_KILL */ 6 ),
122 : // and_4:
123 : /* arg 1 high 32 bits */
124 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_HI_OFFSET(1)),
125 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* arg_hi_eq_7 */ 0, /* lseek_KILL */ 4 ),
126 : // arg_hi_eq_7:
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, 0x00000000U, /* and_6 */ 0, /* lseek_KILL */ 2 ),
130 : // and_6:
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, FD_SECCOMP_ARG_LO(SEEK_SET), /* lseek_ALLOW */ 1, /* lseek_KILL */ 0 ),
134 : // lseek_KILL:
135 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
136 : // lseek_ALLOW:
137 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
138 : // check_socket:
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, FD_SECCOMP_ARG_LO(AF_INET), /* and_8 */ 0, /* socket_KILL */ 4 ),
142 : // and_8:
143 : /* arg 1 low 32 bits */
144 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
145 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SOCK_STREAM|SOCK_NONBLOCK), /* and_9 */ 0, /* socket_KILL */ 2 ),
146 : // and_9:
147 : /* arg 2 low 32 bits */
148 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
149 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* socket_ALLOW */ 1, /* socket_KILL */ 0 ),
150 : // socket_KILL:
151 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
152 : // socket_ALLOW:
153 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
154 : // check_connect:
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, 0x00000002U, /* connect_KILL */ 6, /* or_10 */ 0 ),
158 : // or_10:
159 : /* arg 0 low 32 bits */
160 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
161 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* connect_KILL */ 4, /* or_11 */ 0 ),
162 : // or_11:
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)(in_full_fd)), /* connect_KILL */ 2, /* or_12 */ 0 ),
166 : // or_12:
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)(in_incr_fd)), /* connect_KILL */ 0, /* connect_ALLOW */ 1 ),
170 : // connect_KILL:
171 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
172 : // connect_ALLOW:
173 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
174 : // check_close:
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, 0x00000002U, /* close_KILL */ 6, /* or_13 */ 0 ),
178 : // or_13:
179 : /* arg 0 low 32 bits */
180 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
181 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* close_KILL */ 4, /* or_14 */ 0 ),
182 : // or_14:
183 : /* arg 0 low 32 bits */
184 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
185 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* close_KILL */ 2, /* or_15 */ 0 ),
186 : // or_15:
187 : /* arg 0 low 32 bits */
188 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
189 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* close_KILL */ 0, /* close_ALLOW */ 1 ),
190 : // close_KILL:
191 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
192 : // close_ALLOW:
193 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
194 : // check_sendto:
195 : /* arg 0 low 32 bits */
196 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
197 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* sendto_KILL */ 6, /* or_16 */ 0 ),
198 : // or_16:
199 : /* arg 0 low 32 bits */
200 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
201 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* sendto_KILL */ 4, /* or_17 */ 0 ),
202 : // or_17:
203 : /* arg 0 low 32 bits */
204 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
205 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* sendto_KILL */ 2, /* or_18 */ 0 ),
206 : // or_18:
207 : /* arg 0 low 32 bits */
208 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
209 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* sendto_KILL */ 0, /* sendto_ALLOW */ 1 ),
210 : // sendto_KILL:
211 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
212 : // sendto_ALLOW:
213 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
214 : // check_recvfrom:
215 : /* arg 0 low 32 bits */
216 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
217 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* recvfrom_KILL */ 6, /* or_19 */ 0 ),
218 : // or_19:
219 : /* arg 0 low 32 bits */
220 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
221 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* recvfrom_KILL */ 4, /* or_20 */ 0 ),
222 : // or_20:
223 : /* arg 0 low 32 bits */
224 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
225 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_full_fd)), /* recvfrom_KILL */ 2, /* or_21 */ 0 ),
226 : // or_21:
227 : /* arg 0 low 32 bits */
228 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
229 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(in_incr_fd)), /* recvfrom_KILL */ 0, /* recvfrom_ALLOW */ 1 ),
230 : // recvfrom_KILL:
231 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
232 : // recvfrom_ALLOW:
233 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
234 : // check_ppoll:
235 : /* arg 1 low 32 bits */
236 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
237 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000001U, /* ppoll_ALLOW */ 1, /* ppoll_KILL */ 0 ),
238 : // ppoll_KILL:
239 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
240 : // ppoll_ALLOW:
241 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
242 : // check_exit:
243 : /* arg 0 low 32 bits */
244 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
245 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* exit_ALLOW */ 1, /* exit_KILL */ 0 ),
246 : // exit_KILL:
247 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
248 : // exit_ALLOW:
249 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
250 0 : };
251 0 : fd_memcpy( out, filter, sizeof( filter ) );
252 0 : }
253 :
254 : #endif /* defined(__linux__) */
255 :
256 : #endif /* HEADER_fd_src_discof_restore_generated_fd_snapld_tile_seccomp_h */
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