Line data Source code
1 : /* THIS FILE WAS GENERATED BY generate_filters.py. DO NOT EDIT BY HAND! */
2 : #ifndef HEADER_fd_src_discof_capture_generated_fd_solcap_tile_seccomp_h
3 : #define HEADER_fd_src_discof_capture_generated_fd_solcap_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_solcap_tile_instr_cnt = 32;
28 :
29 0 : static void populate_sock_filter_policy_fd_solcap_tile( ulong out_cnt, struct sock_filter * out, unsigned int logfile_fd, uint solcap_fd_0, uint solcap_fd_1 ) {
30 0 : FD_TEST( out_cnt >= 32 );
31 0 : struct sock_filter filter[32] = {
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 */ 28 ),
35 : /* loading syscall number in accumulator */
36 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, ( offsetof( struct seccomp_data, nr ) ) ),
37 : /* allow write based on expression */
38 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_write, /* check_write */ 4, 0 ),
39 : /* allow lseek based on expression */
40 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 11, 0 ),
41 : /* allow ftruncate based on expression */
42 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ftruncate, /* check_ftruncate */ 14, 0 ),
43 : /* allow fsync based on expression */
44 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 17, 0 ),
45 : /* none of the syscalls matched */
46 0 : { BPF_JMP | BPF_JA, 0, 0, /* RET_KILL_PROCESS */ 22 },
47 : // check_write:
48 : /* load syscall argument 0 in accumulator */
49 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
50 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 2, /* RET_ALLOW */ 21, /* lbl_1 */ 0 ),
51 : // lbl_1:
52 : /* load syscall argument 0 in accumulator */
53 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
54 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, logfile_fd, /* RET_ALLOW */ 19, /* lbl_2 */ 0 ),
55 : // lbl_2:
56 : /* load syscall argument 0 in accumulator */
57 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
58 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_0, /* RET_ALLOW */ 17, /* lbl_3 */ 0 ),
59 : // lbl_3:
60 : /* load syscall argument 0 in accumulator */
61 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
62 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_1, /* RET_ALLOW */ 15, /* RET_KILL_PROCESS */ 14 ),
63 : // check_lseek:
64 : /* load syscall argument 0 in accumulator */
65 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
66 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_0, /* RET_ALLOW */ 13, /* lbl_4 */ 0 ),
67 : // lbl_4:
68 : /* load syscall argument 0 in accumulator */
69 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
70 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_1, /* RET_ALLOW */ 11, /* RET_KILL_PROCESS */ 10 ),
71 : // check_ftruncate:
72 : /* load syscall argument 0 in accumulator */
73 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
74 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_0, /* RET_ALLOW */ 9, /* lbl_5 */ 0 ),
75 : // lbl_5:
76 : /* load syscall argument 0 in accumulator */
77 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
78 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_1, /* RET_ALLOW */ 7, /* RET_KILL_PROCESS */ 6 ),
79 : // check_fsync:
80 : /* load syscall argument 0 in accumulator */
81 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
82 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, logfile_fd, /* RET_ALLOW */ 5, /* lbl_6 */ 0 ),
83 : // lbl_6:
84 : /* load syscall argument 0 in accumulator */
85 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
86 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_0, /* RET_ALLOW */ 3, /* lbl_7 */ 0 ),
87 : // lbl_7:
88 : /* load syscall argument 0 in accumulator */
89 0 : BPF_STMT( BPF_LD | BPF_W | BPF_ABS, offsetof(struct seccomp_data, args[0])),
90 0 : BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, solcap_fd_1, /* RET_ALLOW */ 1, /* RET_KILL_PROCESS */ 0 ),
91 : // RET_KILL_PROCESS:
92 : /* KILL_PROCESS is placed before ALLOW since it's the fallthrough case. */
93 0 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
94 : // RET_ALLOW:
95 : /* ALLOW has to be reached by jumping */
96 : BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
97 0 : };
98 0 : fd_memcpy( out, filter, sizeof( filter ) );
99 0 : }
100 :
101 : #endif /* defined(__linux__) */
102 :
103 : #endif /* HEADER_fd_src_discof_capture_generated_fd_solcap_tile_seccomp_h */
|
