1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ppapi/nacl_irt/irt_interfaces.h"
6
7 #include <unistd.h>
8
9 #include "build/build_config.h"
10 #include "native_client/src/public/irt_core.h"
11 #include "native_client/src/trusted/service_runtime/include/sys/unistd.h"
12 #include "native_client/src/untrusted/irt/irt.h"
13 #include "native_client/src/untrusted/irt/irt_dev.h"
14 #include "ppapi/nacl_irt/irt_manifest.h"
15 #include "ppapi/nacl_irt/public/irt_ppapi.h"
16 #include "ppapi/native_client/src/untrusted/pnacl_irt_shim/irt_shim_ppapi.h"
17
18 #if defined(OS_NACL_SFI)
ppapihook_pnacl_private_filter(void)19 static int ppapihook_pnacl_private_filter(void) {
20 int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
21 if (pnacl_mode == -1)
22 return 0;
23 return pnacl_mode;
24 }
25 #endif
26
27 static const nacl_irt_resource_open kIrtResourceOpen = {
28 ppapi::IrtOpenResource,
29 };
30
31 #if defined(OS_NACL_SFI)
not_pnacl_filter(void)32 static int not_pnacl_filter(void) {
33 int pnacl_mode = sysconf(NACL_ABI__SC_NACL_PNACL_MODE);
34 if (pnacl_mode == -1)
35 return 0;
36 return !pnacl_mode;
37 }
38 #endif
39
40 static const struct nacl_irt_interface irt_interfaces[] = {
41 { NACL_IRT_PPAPIHOOK_v0_1, &nacl_irt_ppapihook, sizeof(nacl_irt_ppapihook),
42 NULL },
43 #if defined(OS_NACL_SFI)
44 { NACL_IRT_PPAPIHOOK_PNACL_PRIVATE_v0_1,
45 &nacl_irt_ppapihook_pnacl_private, sizeof(nacl_irt_ppapihook_pnacl_private),
46 ppapihook_pnacl_private_filter },
47 #endif
48 { NACL_IRT_RESOURCE_OPEN_v0_1, &kIrtResourceOpen,
49 sizeof(kIrtResourceOpen),
50 #if defined(OS_NACL_SFI)
51 not_pnacl_filter,
52 #else
53 // If we change PNaCl to use Non-SFI Mode on the open web,
54 // we should add a filter here.
55 NULL,
56 #endif
57 },
58 #if defined(OS_NACL_SFI)
59 // TODO(mseaborn): Ideally these two PNaCl translator interfaces should
60 // be hidden in processes that aren't PNaCl sandboxed translator
61 // processes. However, we haven't yet plumbed though a flag to indicate
62 // when a NaCl process is a PNaCl translator process. The risk of an app
63 // accidentally depending on the presence of this interface is much lower
64 // than for other non-stable IRT interfaces, because this interface is
65 // not useful to apps.
66 { NACL_IRT_PRIVATE_PNACL_TRANSLATOR_LINK_v0_1,
67 &nacl_irt_private_pnacl_translator_link,
68 sizeof(nacl_irt_private_pnacl_translator_link), NULL },
69 { NACL_IRT_PRIVATE_PNACL_TRANSLATOR_COMPILE_v0_1,
70 &nacl_irt_private_pnacl_translator_compile,
71 sizeof(nacl_irt_private_pnacl_translator_compile), NULL },
72 #endif
73 };
74
chrome_irt_query(const char * interface_ident,void * table,size_t tablesize)75 size_t chrome_irt_query(const char* interface_ident,
76 void* table, size_t tablesize) {
77 size_t result = nacl_irt_query_list(interface_ident,
78 table,
79 tablesize,
80 irt_interfaces,
81 sizeof(irt_interfaces));
82 if (result != 0)
83 return result;
84
85 return nacl_irt_query_core(interface_ident, table, tablesize);
86 }
87