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             : 
      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_solcap_tile_instr_cnt = 44;
      35             : 
      36           0 : static void populate_sock_filter_policy_fd_solcap_tile( ulong out_cnt, struct sock_filter out[ static 44 ], uint logfile_fd, uint solcap_fd_0, uint solcap_fd_1 ) {
      37           0 :   FD_TEST( out_cnt >= 44 );
      38           0 :   struct sock_filter filter[44] = {
      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 */ 6 ),
      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 */ 6, 0 ),
      46             :     /* check lseek */
      47           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_lseek, /* check_lseek */ 15, 0 ),
      48             :     /* check ftruncate */
      49           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_ftruncate, /* check_ftruncate */ 20, 0 ),
      50             :     /* check fsync */
      51           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_fsync, /* check_fsync */ 25, 0 ),
      52             :     /* check clock_nanosleep */
      53           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, SYS_clock_nanosleep, /* check_clock_nanosleep */ 32, 0 ),
      54             : //  RET_KILL_PROCESS:
      55             :     /* default deny */
      56           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
      57             : //  RET_ALLOW:
      58             :     /* allow */
      59           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
      60             : //  check_write:
      61             :     /* arg 0 low 32 bits */
      62           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
      63           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, 0x00000002U, /* write_ALLOW */ 7, /* or_1 */ 0 ),
      64             : //  or_1:
      65             :     /* arg 0 low 32 bits */
      66           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
      67           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(logfile_fd)), /* write_ALLOW */ 5, /* or_2 */ 0 ),
      68             : //  or_2:
      69             :     /* arg 0 low 32 bits */
      70           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
      71           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(solcap_fd_0)), /* write_ALLOW */ 3, /* or_3 */ 0 ),
      72             : //  or_3:
      73             :     /* arg 0 low 32 bits */
      74           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
      75           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(solcap_fd_1)), /* write_ALLOW */ 1, /* write_KILL */ 0 ),
      76             : //  write_KILL:
      77           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
      78             : //  write_ALLOW:
      79           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
      80             : //  check_lseek:
      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)(solcap_fd_0)), /* lseek_ALLOW */ 3, /* or_4 */ 0 ),
      84             : //  or_4:
      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_JEQ | BPF_K, ((uint)(solcap_fd_1)), /* lseek_ALLOW */ 1, /* lseek_KILL */ 0 ),
      88             : //  lseek_KILL:
      89           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
      90             : //  lseek_ALLOW:
      91           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
      92             : //  check_ftruncate:
      93             :     /* arg 0 low 32 bits */
      94           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
      95           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, ((uint)(solcap_fd_0)), /* ftruncate_ALLOW */ 3, /* or_5 */ 0 ),
      96             : //  or_5:
      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)(solcap_fd_1)), /* ftruncate_ALLOW */ 1, /* ftruncate_KILL */ 0 ),
     100             : //  ftruncate_KILL:
     101           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
     102             : //  ftruncate_ALLOW:
     103           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
     104             : //  check_fsync:
     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_JEQ | BPF_K, ((uint)(logfile_fd)), /* fsync_ALLOW */ 5, /* or_6 */ 0 ),
     108             : //  or_6:
     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_JEQ | BPF_K, ((uint)(solcap_fd_0)), /* fsync_ALLOW */ 3, /* or_7 */ 0 ),
     112             : //  or_7:
     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)(solcap_fd_1)), /* fsync_ALLOW */ 1, /* fsync_KILL */ 0 ),
     116             : //  fsync_KILL:
     117           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
     118             : //  fsync_ALLOW:
     119           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
     120             : //  check_clock_nanosleep:
     121             :     /* arg 0 low 32 bits */
     122           0 :     BPF_STMT( BPF_LD | BPF_W | BPF_ABS, FD_SECCOMP_ARG_LO_OFFSET(0)),
     123           0 :     BPF_JUMP( BPF_JMP | BPF_JEQ | BPF_K, FD_SECCOMP_ARG_LO(CLOCK_REALTIME), /* clock_nanosleep_ALLOW */ 1, /* clock_nanosleep_KILL */ 0 ),
     124             : //  clock_nanosleep_KILL:
     125           0 :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_KILL_PROCESS ),
     126             : //  clock_nanosleep_ALLOW:
     127             :     BPF_STMT( BPF_RET | BPF_K, SECCOMP_RET_ALLOW ),
     128           0 :   };
     129           0 :   fd_memcpy( out, filter, sizeof( filter ) );
     130           0 : }
     131             : 
     132             : #endif /* defined(__linux__) */
     133             : 
     134             : #endif /* HEADER_fd_src_discof_capture_generated_fd_solcap_tile_seccomp_h */