Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_discof_backup_generated_fd_snapmk_tile_seccomp_h
3 : #define HEADER_fd_src_discof_backup_generated_fd_snapmk_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_snapmk_tile_instr_cnt = 98;
35 :
36 0 : static void populate_sock_filter_policy_fd_snapmk_tile( ulong out_cnt, struct sock_filter out[ static 98 ], uint logfile_fd, uint dir_fd, uint pool_min_fd, uint pool_max_fd ) {
37 0 : FD_TEST( out_cnt >= 98 );
38 0 : struct sock_filter filter[98] = {
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 */ 14 ),
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 */ 14, 0 ),
46 : /* check fsync */
47 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 23, 0 ),
48 : /* check lseek */
49 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 26, 0 ),
50 : /* check fstat */
51 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fstat, /* check_fstat */ 39, 0 ),
52 : /* check getdents64 */
53 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_getdents64, /* check_getdents64 */ 44, 0 ),
54 : /* check newfstatat */
55 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_newfstatat, /* check_newfstatat */ 47, 0 ),
56 : /* check ftruncate */
57 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ftruncate, /* check_ftruncate */ 52, 0 ),
58 : /* check fcntl */
59 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fcntl, /* check_fcntl */ 57, 0 ),
60 : /* check renameat */
61 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_renameat, /* check_renameat */ 66, 0 ),
62 : /* allow sched_yield */
63 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_sched_yield, /* RET_ALLOW */ 4, 0 ),
64 : /* check clock_nanosleep */
65 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_clock_nanosleep, /* check_clock_nanosleep */ 70, 0 ),
66 : /* check exit */
67 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_exit, /* check_exit */ 73, 0 ),
68 : /* check futex */
69 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_futex, /* check_futex */ 76, 0 ),
70 : // RET_KILL_PROCESS:
71 : /* default deny */
72 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
73 : // RET_ALLOW:
74 : /* allow */
75 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
76 : // check_write:
77 : /* arg 0 low 32 bits */
78 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
79 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* write_ALLOW */ 7, /* or_1 */ 0 ),
80 : // or_1:
81 : /* arg 0 low 32 bits */
82 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
83 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* write_ALLOW */ 5, /* or_2 */ 0 ),
84 : // or_2:
85 : /* arg 0 low 32 bits */
86 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
87 0 : BPF_JUMP( BPF_JMP | BPF_JGE | BPF_K, ((uint)(pool_min_fd)), /* and_3 */ 0, /* write_KILL */ 2 ),
88 : // and_3:
89 : /* arg 0 low 32 bits */
90 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
91 0 : BPF_JUMP( BPF_JMP | BPF_JGT | BPF_K, ((uint)(pool_max_fd)), /* write_KILL */ 0, /* write_ALLOW */ 1 ),
92 : // write_KILL:
93 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
94 : // write_ALLOW:
95 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
96 : // check_fsync:
97 : /* arg 0 low 32 bits */
98 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
99 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* fsync_ALLOW */ 1, /* fsync_KILL */ 0 ),
100 : // fsync_KILL:
101 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
102 : // fsync_ALLOW:
103 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
104 : // check_lseek:
105 : /* arg 0 low 32 bits */
106 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
107 0 : BPF_JUMP( BPF_JMP | BPF_JGE | BPF_K, ((uint)(pool_min_fd)), /* and_5 */ 0, /* or_4 */ 2 ),
108 : // and_5:
109 : /* arg 0 low 32 bits */
110 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
111 0 : BPF_JUMP( BPF_JMP | BPF_JGT | BPF_K, ((uint)(pool_max_fd)), /* or_4 */ 0, /* lseek_ALLOW */ 9 ),
112 : // or_4:
113 : /* arg 0 low 32 bits */
114 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
115 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(dir_fd)), /* and_6 */ 0, /* lseek_KILL */ 6 ),
116 : // and_6:
117 : /* arg 1 high 32 bits */
118 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_HI_OFFSET(1)),
119 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* arg_hi_eq_8 */ 0, /* lseek_KILL */ 4 ),
120 : // arg_hi_eq_8:
121 : /* arg 1 low 32 bits */
122 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
123 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* and_7 */ 0, /* lseek_KILL */ 2 ),
124 : // and_7:
125 : /* arg 2 low 32 bits */
126 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
127 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(SEEK_SET), /* lseek_ALLOW */ 1, /* lseek_KILL */ 0 ),
128 : // lseek_KILL:
129 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
130 : // lseek_ALLOW:
131 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
132 : // check_fstat:
133 : /* arg 0 low 32 bits */
134 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
135 0 : BPF_JUMP( BPF_JMP | BPF_JGE | BPF_K, ((uint)(pool_min_fd)), /* and_9 */ 0, /* fstat_KILL */ 2 ),
136 : // and_9:
137 : /* arg 0 low 32 bits */
138 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
139 0 : BPF_JUMP( BPF_JMP | BPF_JGT | BPF_K, ((uint)(pool_max_fd)), /* fstat_KILL */ 0, /* fstat_ALLOW */ 1 ),
140 : // fstat_KILL:
141 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
142 : // fstat_ALLOW:
143 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
144 : // check_getdents64:
145 : /* arg 0 low 32 bits */
146 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
147 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(dir_fd)), /* getdents64_ALLOW */ 1, /* getdents64_KILL */ 0 ),
148 : // getdents64_KILL:
149 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
150 : // getdents64_ALLOW:
151 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
152 : // check_newfstatat:
153 : /* arg 0 low 32 bits */
154 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
155 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(dir_fd)), /* and_10 */ 0, /* newfstatat_KILL */ 2 ),
156 : // and_10:
157 : /* arg 3 low 32 bits */
158 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(3)),
159 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(AT_SYMLINK_NOFOLLOW), /* newfstatat_ALLOW */ 1, /* newfstatat_KILL */ 0 ),
160 : // newfstatat_KILL:
161 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
162 : // newfstatat_ALLOW:
163 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
164 : // check_ftruncate:
165 : /* arg 0 low 32 bits */
166 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
167 0 : BPF_JUMP( BPF_JMP | BPF_JGE | BPF_K, ((uint)(pool_min_fd)), /* and_11 */ 0, /* ftruncate_KILL */ 2 ),
168 : // and_11:
169 : /* arg 0 low 32 bits */
170 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
171 0 : BPF_JUMP( BPF_JMP | BPF_JGT | BPF_K, ((uint)(pool_max_fd)), /* ftruncate_KILL */ 0, /* ftruncate_ALLOW */ 1 ),
172 : // ftruncate_KILL:
173 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
174 : // ftruncate_ALLOW:
175 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
176 : // check_fcntl:
177 : /* arg 0 low 32 bits */
178 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
179 0 : BPF_JUMP( BPF_JMP | BPF_JGE | BPF_K, ((uint)(pool_min_fd)), /* and_12 */ 0, /* fcntl_KILL */ 6 ),
180 : // and_12:
181 : /* arg 0 low 32 bits */
182 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
183 0 : BPF_JUMP( BPF_JMP | BPF_JGT | BPF_K, ((uint)(pool_max_fd)), /* fcntl_KILL */ 4, /* and_13 */ 0 ),
184 : // and_13:
185 : /* arg 1 low 32 bits */
186 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
187 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(F_SETLK), /* fcntl_ALLOW */ 3, /* or_14 */ 0 ),
188 : // or_14:
189 : /* arg 1 low 32 bits */
190 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
191 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(F_SETLKW), /* fcntl_ALLOW */ 1, /* fcntl_KILL */ 0 ),
192 : // fcntl_KILL:
193 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
194 : // fcntl_ALLOW:
195 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
196 : // check_renameat:
197 : /* arg 0 low 32 bits */
198 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
199 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(dir_fd)), /* and_15 */ 0, /* renameat_KILL */ 2 ),
200 : // and_15:
201 : /* arg 2 low 32 bits */
202 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(2)),
203 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(dir_fd)), /* renameat_ALLOW */ 1, /* renameat_KILL */ 0 ),
204 : // renameat_KILL:
205 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
206 : // renameat_ALLOW:
207 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
208 : // check_clock_nanosleep:
209 : /* arg 0 low 32 bits */
210 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
211 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(CLOCK_REALTIME), /* clock_nanosleep_ALLOW */ 1, /* clock_nanosleep_KILL */ 0 ),
212 : // clock_nanosleep_KILL:
213 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
214 : // clock_nanosleep_ALLOW:
215 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
216 : // check_exit:
217 : /* arg 0 low 32 bits */
218 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
219 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000000U, /* exit_ALLOW */ 1, /* exit_KILL */ 0 ),
220 : // exit_KILL:
221 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
222 : // exit_ALLOW:
223 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
224 : // check_futex:
225 : /* arg 1 low 32 bits */
226 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
227 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(FUTEX_WAIT), /* futex_ALLOW */ 3, /* or_16 */ 0 ),
228 : // or_16:
229 : /* arg 1 low 32 bits */
230 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(1)),
231 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(FUTEX_WAKE), /* futex_ALLOW */ 1, /* futex_KILL */ 0 ),
232 : // futex_KILL:
233 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
234 : // futex_ALLOW:
235 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
236 0 : };
237 0 : fd_memcpy( out, filter, sizeof( filter ) );
238 0 : }
239 :
240 : #endif /* defined(__linux__) */
241 :
242 : #endif /* HEADER_fd_src_discof_backup_generated_fd_snapmk_tile_seccomp_h */
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