| Dmitry V. Levin | 5e7987b | 2014-12-03 20:30:15 +0000 | [diff] [blame] | 1 | #include "defs.h" |
| 2 | |
| Dmitry V. Levin | bf7fdfa | 2014-12-03 20:39:20 +0000 | [diff] [blame^] | 3 | enum { |
| 4 | CAP_CHOWN, |
| 5 | CAP_DAC_OVERRIDE, |
| 6 | CAP_DAC_READ_SEARCH, |
| 7 | CAP_FOWNER, |
| 8 | CAP_FSETID, |
| 9 | CAP_KILL, |
| 10 | CAP_SETGID, |
| 11 | CAP_SETUID, |
| 12 | CAP_SETPCAP, |
| 13 | CAP_LINUX_IMMUTABLE, |
| 14 | CAP_NET_BIND_SERVICE, |
| 15 | CAP_NET_BROADCAST, |
| 16 | CAP_NET_ADMIN, |
| 17 | CAP_NET_RAW, |
| 18 | CAP_IPC_LOCK, |
| 19 | CAP_IPC_OWNER, |
| 20 | CAP_SYS_MODULE, |
| 21 | CAP_SYS_RAWIO, |
| 22 | CAP_SYS_CHROOT, |
| 23 | CAP_SYS_PTRACE, |
| 24 | CAP_SYS_PACCT, |
| 25 | CAP_SYS_ADMIN, |
| 26 | CAP_SYS_BOOT, |
| 27 | CAP_SYS_NICE, |
| 28 | CAP_SYS_RESOURCE, |
| 29 | CAP_SYS_TIME, |
| 30 | CAP_SYS_TTY_CONFIG, |
| 31 | CAP_MKNOD, |
| 32 | CAP_LEASE, |
| 33 | CAP_AUDIT_WRITE, |
| 34 | CAP_AUDIT_CONTROL, |
| 35 | CAP_SETFCAP |
| 36 | }; |
| Dmitry V. Levin | 5e7987b | 2014-12-03 20:30:15 +0000 | [diff] [blame] | 37 | |
| 38 | #include "xlat/capabilities.h" |
| 39 | |
| Dmitry V. Levin | bf7fdfa | 2014-12-03 20:39:20 +0000 | [diff] [blame^] | 40 | enum { |
| 41 | _LINUX_CAPABILITY_VERSION_1 = 0x19980330, |
| 42 | _LINUX_CAPABILITY_VERSION_2 = 0x20071026, |
| 43 | _LINUX_CAPABILITY_VERSION_3 = 0x20080522 |
| 44 | }; |
| Dmitry V. Levin | 5e7987b | 2014-12-03 20:30:15 +0000 | [diff] [blame] | 45 | |
| 46 | #include "xlat/cap_version.h" |
| 47 | |
| Dmitry V. Levin | bf7fdfa | 2014-12-03 20:39:20 +0000 | [diff] [blame^] | 48 | typedef struct user_cap_header_struct { |
| 49 | uint32_t version; |
| 50 | int pid; |
| 51 | } *cap_user_header_t; |
| 52 | |
| 53 | typedef struct user_cap_data_struct { |
| 54 | uint32_t effective; |
| 55 | uint32_t permitted; |
| 56 | uint32_t inheritable; |
| 57 | } *cap_user_data_t; |
| 58 | |
| Dmitry V. Levin | 5e7987b | 2014-12-03 20:30:15 +0000 | [diff] [blame] | 59 | static void |
| 60 | print_cap_header(struct tcb *tcp, unsigned long addr) |
| 61 | { |
| 62 | union { cap_user_header_t p; long *a; char *c; } arg; |
| 63 | long a[sizeof(*arg.p) / sizeof(long) + 1]; |
| 64 | arg.a = a; |
| 65 | |
| 66 | if (!addr) |
| 67 | tprints("NULL"); |
| 68 | else if (!verbose(tcp) || |
| 69 | umoven(tcp, addr, sizeof(*arg.p), arg.c) < 0) |
| 70 | tprintf("%#lx", addr); |
| 71 | else { |
| 72 | tprints("{"); |
| 73 | printxval(cap_version, arg.p->version, |
| 74 | "_LINUX_CAPABILITY_VERSION_???"); |
| 75 | tprintf(", %d}", arg.p->pid); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | static void |
| 80 | print_cap_data(struct tcb *tcp, unsigned long addr) |
| 81 | { |
| 82 | union { cap_user_data_t p; long *a; char *c; } arg; |
| 83 | long a[sizeof(*arg.p) / sizeof(long) + 1]; |
| 84 | arg.a = a; |
| 85 | |
| 86 | if (!addr) |
| 87 | tprints("NULL"); |
| 88 | else if (!verbose(tcp) || |
| 89 | (exiting(tcp) && syserror(tcp)) || |
| 90 | umoven(tcp, addr, sizeof(*arg.p), arg.c) < 0) |
| 91 | tprintf("%#lx", addr); |
| 92 | else { |
| 93 | tprints("{"); |
| 94 | printflags(capabilities, arg.p->effective, "CAP_???"); |
| 95 | tprints(", "); |
| 96 | printflags(capabilities, arg.p->permitted, "CAP_???"); |
| 97 | tprints(", "); |
| 98 | printflags(capabilities, arg.p->inheritable, "CAP_???"); |
| 99 | tprints("}"); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | int |
| 104 | sys_capget(struct tcb *tcp) |
| 105 | { |
| 106 | if (entering(tcp)) { |
| 107 | print_cap_header(tcp, tcp->u_arg[0]); |
| 108 | tprints(", "); |
| 109 | } else { |
| 110 | print_cap_data(tcp, tcp->u_arg[1]); |
| 111 | } |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | int |
| 116 | sys_capset(struct tcb *tcp) |
| 117 | { |
| 118 | if (entering(tcp)) { |
| 119 | print_cap_header(tcp, tcp->u_arg[0]); |
| 120 | tprints(", "); |
| 121 | print_cap_data(tcp, tcp->u_arg[1]); |
| 122 | } |
| 123 | return 0; |
| 124 | } |