Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_disco_bundle_generated_fd_bundle_tile_seccomp_h
3 : #define HEADER_fd_src_disco_bundle_generated_fd_bundle_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 : static const unsigned int sock_filter_policy_fd_bundle_tile_instr_cnt = 102;
28 :
29 0 : static void populate_sock_filter_policy_fd_bundle_tile( ulong out_cnt, struct sock_filter * out, uint logfile_fd, uint keylog_fd, uint etc_hosts_fd, uint etc_resolv_conf ) {
30 0 : FD_TEST( out_cnt >= 102 );
31 0 : struct sock_filter filter[102] = {
32 : /* Check: Jump to RET_KILL_PROCESS if the script's arch != the runtime arch */
33 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, arch ) ) ),
34 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ARCH_NR, 0, /* RET_KILL_PROCESS */ 98 ),
35 : /* loading syscall number in accumulator */
36 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, nr ) ) ),
37 : /* simply allow read */
38 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_read, /* RET_ALLOW */ 97, 0 ),
39 : /* allow recvmsg based on expression */
40 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_recvmsg, /* check_recvmsg */ 21, 0 ),
41 : /* simply allow write */
42 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_write, /* RET_ALLOW */ 95, 0 ),
43 : /* allow writev based on expression */
44 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_writev, /* check_writev */ 23, 0 ),
45 : /* allow sendmsg based on expression */
46 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sendmsg, /* check_sendmsg */ 26, 0 ),
47 : /* allow sendto based on expression */
48 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sendto, /* check_sendto */ 31, 0 ),
49 : /* allow fsync based on expression */
50 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 32, 0 ),
51 : /* allow socket based on expression */
52 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_socket, /* check_socket */ 33, 0 ),
53 : /* simply allow connect */
54 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_connect, /* RET_ALLOW */ 89, 0 ),
55 : /* allow shutdown based on expression */
56 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_shutdown, /* check_shutdown */ 49, 0 ),
57 : /* simply allow close */
58 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_close, /* RET_ALLOW */ 87, 0 ),
59 : /* allow fcntl based on expression */
60 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fcntl, /* check_fcntl */ 49, 0 ),
61 : /* allow bind based on expression */
62 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_bind, /* check_bind */ 52, 0 ),
63 : /* simply allow ppoll */
64 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ppoll, /* RET_ALLOW */ 84, 0 ),
65 : /* allow setsockopt based on expression */
66 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_setsockopt, /* check_setsockopt */ 54, 0 ),
67 : /* allow getsockopt based on expression */
68 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getsockopt, /* check_getsockopt */ 69, 0 ),
69 : /* simply allow getsockname */
70 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getsockname, /* RET_ALLOW */ 81, 0 ),
71 : /* simply allow getpid */
72 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getpid, /* RET_ALLOW */ 80, 0 ),
73 : /* simply allow getrandom */
74 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getrandom, /* RET_ALLOW */ 79, 0 ),
75 : /* allow lseek based on expression */
76 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 69, 0 ),
77 : /* simply allow sched_yield */
78 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sched_yield, /* RET_ALLOW */ 77, 0 ),
79 : /* simply allow clock_nanosleep */
80 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_clock_nanosleep, /* RET_ALLOW */ 76, 0 ),
81 : /* none of the syscalls matched */
82 0 : { BPF_JMP | BPF_JA, 0, 0, /* RET_KILL_PROCESS */ 74 },
83 : // check_recvmsg:
84 : /* load syscall argument 2 in accumulator */
85 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
86 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, MSG_NOSIGNAL|MSG_DONTWAIT, /* RET_ALLOW */ 73, /* lbl_1 */ 0 ),
87 : // lbl_1:
88 : /* load syscall argument 2 in accumulator */
89 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
90 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0, /* RET_ALLOW */ 71, /* RET_KILL_PROCESS */ 70 ),
91 : // check_writev:
92 : /* load syscall argument 0 in accumulator */
93 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
94 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, keylog_fd, /* lbl_2 */ 0, /* RET_KILL_PROCESS */ 68 ),
95 : // lbl_2:
96 : /* load syscall argument 2 in accumulator */
97 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
98 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 2, /* RET_ALLOW */ 67, /* RET_KILL_PROCESS */ 66 ),
99 : // check_sendmsg:
100 : /* load syscall argument 2 in accumulator */
101 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
102 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, MSG_NOSIGNAL|MSG_DONTWAIT, /* RET_ALLOW */ 65, /* lbl_3 */ 0 ),
103 : // lbl_3:
104 : /* load syscall argument 2 in accumulator */
105 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
106 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, MSG_FASTOPEN|MSG_NOSIGNAL, /* RET_ALLOW */ 63, /* lbl_4 */ 0 ),
107 : // lbl_4:
108 : /* load syscall argument 2 in accumulator */
109 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
110 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, MSG_NOSIGNAL, /* RET_ALLOW */ 61, /* RET_KILL_PROCESS */ 60 ),
111 : // check_sendto:
112 : /* load syscall argument 3 in accumulator */
113 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[3])),
114 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, MSG_NOSIGNAL, /* RET_ALLOW */ 59, /* RET_KILL_PROCESS */ 58 ),
115 : // check_fsync:
116 : /* load syscall argument 0 in accumulator */
117 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
118 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, logfile_fd, /* RET_ALLOW */ 57, /* RET_KILL_PROCESS */ 56 ),
119 : // check_socket:
120 : /* load syscall argument 0 in accumulator */
121 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
122 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, AF_INET, /* lbl_5 */ 2, /* lbl_6 */ 0 ),
123 : // lbl_6:
124 : /* load syscall argument 0 in accumulator */
125 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
126 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, AF_INET6, /* lbl_5 */ 0, /* RET_KILL_PROCESS */ 52 ),
127 : // lbl_5:
128 : /* load syscall argument 1 in accumulator */
129 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
130 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOCK_STREAM|SOCK_CLOEXEC, /* lbl_8 */ 2, /* lbl_9 */ 0 ),
131 : // lbl_9:
132 : /* load syscall argument 1 in accumulator */
133 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
134 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, /* lbl_8 */ 0, /* lbl_7 */ 2 ),
135 : // lbl_8:
136 : /* load syscall argument 2 in accumulator */
137 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
138 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0, /* RET_ALLOW */ 47, /* lbl_7 */ 0 ),
139 : // lbl_7:
140 : /* load syscall argument 1 in accumulator */
141 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
142 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, /* lbl_11 */ 0, /* lbl_10 */ 2 ),
143 : // lbl_11:
144 : /* load syscall argument 2 in accumulator */
145 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
146 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0, /* RET_ALLOW */ 43, /* lbl_10 */ 0 ),
147 : // lbl_10:
148 : /* load syscall argument 1 in accumulator */
149 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
150 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOCK_DGRAM|SOCK_CLOEXEC, /* lbl_12 */ 0, /* RET_KILL_PROCESS */ 40 ),
151 : // lbl_12:
152 : /* load syscall argument 2 in accumulator */
153 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
154 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, IPPROTO_UDP, /* RET_ALLOW */ 39, /* RET_KILL_PROCESS */ 38 ),
155 : // check_shutdown:
156 : /* load syscall argument 1 in accumulator */
157 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
158 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SHUT_WR, /* RET_ALLOW */ 37, /* RET_KILL_PROCESS */ 36 ),
159 : // check_fcntl:
160 : /* load syscall argument 1 in accumulator */
161 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
162 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, F_SETFL, /* lbl_13 */ 0, /* RET_KILL_PROCESS */ 34 ),
163 : // lbl_13:
164 : /* load syscall argument 2 in accumulator */
165 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
166 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, O_NONBLOCK, /* RET_ALLOW */ 33, /* RET_KILL_PROCESS */ 32 ),
167 : // check_bind:
168 : /* load syscall argument 2 in accumulator */
169 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
170 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, sizeof(struct sockaddr_in), /* RET_ALLOW */ 31, /* lbl_14 */ 0 ),
171 : // lbl_14:
172 : /* load syscall argument 2 in accumulator */
173 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
174 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, sizeof(struct sockaddr_in6), /* RET_ALLOW */ 29, /* RET_KILL_PROCESS */ 28 ),
175 : // check_setsockopt:
176 : /* load syscall argument 1 in accumulator */
177 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
178 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOL_SOCKET, /* lbl_16 */ 0, /* lbl_15 */ 2 ),
179 : // lbl_16:
180 : /* load syscall argument 2 in accumulator */
181 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
182 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SO_RCVBUF, /* RET_ALLOW */ 25, /* lbl_15 */ 0 ),
183 : // lbl_15:
184 : /* load syscall argument 1 in accumulator */
185 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
186 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOL_TCP, /* lbl_18 */ 0, /* lbl_17 */ 2 ),
187 : // lbl_18:
188 : /* load syscall argument 2 in accumulator */
189 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
190 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, TCP_NODELAY, /* RET_ALLOW */ 21, /* lbl_17 */ 0 ),
191 : // lbl_17:
192 : /* load syscall argument 1 in accumulator */
193 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
194 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, IPPROTO_TCP, /* lbl_20 */ 0, /* lbl_19 */ 2 ),
195 : // lbl_20:
196 : /* load syscall argument 2 in accumulator */
197 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
198 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, TCP_FASTOPEN_CONNECT, /* RET_ALLOW */ 17, /* lbl_19 */ 0 ),
199 : // lbl_19:
200 : /* load syscall argument 1 in accumulator */
201 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
202 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, IPPROTO_IPV6, /* lbl_21 */ 0, /* RET_KILL_PROCESS */ 14 ),
203 : // lbl_21:
204 : /* load syscall argument 2 in accumulator */
205 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
206 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, IPV6_V6ONLY, /* RET_ALLOW */ 13, /* RET_KILL_PROCESS */ 12 ),
207 : // check_getsockopt:
208 : /* load syscall argument 1 in accumulator */
209 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
210 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SOL_SOCKET, /* lbl_22 */ 0, /* RET_KILL_PROCESS */ 10 ),
211 : // lbl_22:
212 : /* load syscall argument 2 in accumulator */
213 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
214 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SO_ERROR, /* RET_ALLOW */ 9, /* RET_KILL_PROCESS */ 8 ),
215 : // check_lseek:
216 : /* load syscall argument 0 in accumulator */
217 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
218 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, etc_resolv_conf, /* lbl_23 */ 2, /* lbl_24 */ 0 ),
219 : // lbl_24:
220 : /* load syscall argument 0 in accumulator */
221 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
222 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, etc_hosts_fd, /* lbl_23 */ 0, /* RET_KILL_PROCESS */ 4 ),
223 : // lbl_23:
224 : /* load syscall argument 1 in accumulator */
225 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[1])),
226 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0, /* lbl_25 */ 0, /* RET_KILL_PROCESS */ 2 ),
227 : // lbl_25:
228 : /* load syscall argument 2 in accumulator */
229 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[2])),
230 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SEEK_SET, /* RET_ALLOW */ 1, /* RET_KILL_PROCESS */ 0 ),
231 : // RET_KILL_PROCESS:
232 : /* KILL_PROCESS is placed before ALLOW since it's the fallthrough case. */
233 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
234 : // RET_ALLOW:
235 : /* ALLOW has to be reached by jumping */
236 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
237 0 : };
238 0 : fd_memcpy( out, filter, sizeof( filter ) );
239 0 : }
240 :
241 : #endif /* defined(__linux__) */
242 :
243 : #endif /* HEADER_fd_src_disco_bundle_generated_fd_bundle_tile_seccomp_h */
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