| Dmitry V. Levin | 5e7987b | 2014-12-03 20:30:15 +0000 | [diff] [blame^] | 1 | #include "defs.h" |
| 2 | |
| 3 | #define _LINUX_SOCKET_H |
| 4 | #define _LINUX_FS_H |
| 5 | |
| 6 | #include <sys/socket.h> |
| 7 | #include <netinet/in.h> |
| 8 | #include <arpa/inet.h> |
| 9 | #ifdef HAVE_LINUX_CAPABILITY_H |
| 10 | # include <linux/capability.h> |
| 11 | #endif |
| 12 | |
| 13 | #ifdef SYS_capget |
| 14 | |
| 15 | #include "xlat/capabilities.h" |
| 16 | |
| 17 | #ifndef _LINUX_CAPABILITY_VERSION_1 |
| 18 | # define _LINUX_CAPABILITY_VERSION_1 0x19980330 |
| 19 | #endif |
| 20 | #ifndef _LINUX_CAPABILITY_VERSION_2 |
| 21 | # define _LINUX_CAPABILITY_VERSION_2 0x20071026 |
| 22 | #endif |
| 23 | #ifndef _LINUX_CAPABILITY_VERSION_3 |
| 24 | # define _LINUX_CAPABILITY_VERSION_3 0x20080522 |
| 25 | #endif |
| 26 | |
| 27 | #include "xlat/cap_version.h" |
| 28 | |
| 29 | static void |
| 30 | print_cap_header(struct tcb *tcp, unsigned long addr) |
| 31 | { |
| 32 | union { cap_user_header_t p; long *a; char *c; } arg; |
| 33 | long a[sizeof(*arg.p) / sizeof(long) + 1]; |
| 34 | arg.a = a; |
| 35 | |
| 36 | if (!addr) |
| 37 | tprints("NULL"); |
| 38 | else if (!verbose(tcp) || |
| 39 | umoven(tcp, addr, sizeof(*arg.p), arg.c) < 0) |
| 40 | tprintf("%#lx", addr); |
| 41 | else { |
| 42 | tprints("{"); |
| 43 | printxval(cap_version, arg.p->version, |
| 44 | "_LINUX_CAPABILITY_VERSION_???"); |
| 45 | tprintf(", %d}", arg.p->pid); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | static void |
| 50 | print_cap_data(struct tcb *tcp, unsigned long addr) |
| 51 | { |
| 52 | union { cap_user_data_t p; long *a; char *c; } arg; |
| 53 | long a[sizeof(*arg.p) / sizeof(long) + 1]; |
| 54 | arg.a = a; |
| 55 | |
| 56 | if (!addr) |
| 57 | tprints("NULL"); |
| 58 | else if (!verbose(tcp) || |
| 59 | (exiting(tcp) && syserror(tcp)) || |
| 60 | umoven(tcp, addr, sizeof(*arg.p), arg.c) < 0) |
| 61 | tprintf("%#lx", addr); |
| 62 | else { |
| 63 | tprints("{"); |
| 64 | printflags(capabilities, arg.p->effective, "CAP_???"); |
| 65 | tprints(", "); |
| 66 | printflags(capabilities, arg.p->permitted, "CAP_???"); |
| 67 | tprints(", "); |
| 68 | printflags(capabilities, arg.p->inheritable, "CAP_???"); |
| 69 | tprints("}"); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | int |
| 74 | sys_capget(struct tcb *tcp) |
| 75 | { |
| 76 | if (entering(tcp)) { |
| 77 | print_cap_header(tcp, tcp->u_arg[0]); |
| 78 | tprints(", "); |
| 79 | } else { |
| 80 | print_cap_data(tcp, tcp->u_arg[1]); |
| 81 | } |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | int |
| 86 | sys_capset(struct tcb *tcp) |
| 87 | { |
| 88 | if (entering(tcp)) { |
| 89 | print_cap_header(tcp, tcp->u_arg[0]); |
| 90 | tprints(", "); |
| 91 | print_cap_data(tcp, tcp->u_arg[1]); |
| 92 | } |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | #else |
| 97 | |
| 98 | int sys_capget(struct tcb *tcp) |
| 99 | { |
| 100 | return printargs(tcp); |
| 101 | } |
| 102 | |
| 103 | int sys_capset(struct tcb *tcp) |
| 104 | { |
| 105 | return printargs(tcp); |
| 106 | } |
| 107 | |
| 108 | #endif |