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Added support for --showsyscalls, which shows the names of the system calls, rather than just their IDs.

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This commit is contained in:
Myria
2015-12-26 12:45:45 -08:00
parent 57818a5677
commit 7e9893ec4d
8 changed files with 255 additions and 33 deletions
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ctrtool/ctrtool.vcxproj
+2
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@@ -99,6 +99,7 @@
<ClCompile Include="filepath.c" /> <ClCompile Include="filepath.c" />
<ClCompile Include="firm.c" /> <ClCompile Include="firm.c" />
<ClCompile Include="oschar.c" /> <ClCompile Include="oschar.c" />
<ClCompile Include="syscalls.c" />
<ClCompile Include="windows\getopt.c" /> <ClCompile Include="windows\getopt.c" />
<ClCompile Include="windows\getopt1.c" /> <ClCompile Include="windows\getopt1.c" />
<ClCompile Include="ivfc.c" /> <ClCompile Include="ivfc.c" />
@@ -131,6 +132,7 @@
<ClInclude Include="filepath.h" /> <ClInclude Include="filepath.h" />
<ClInclude Include="firm.h" /> <ClInclude Include="firm.h" />
<ClInclude Include="oschar.h" /> <ClInclude Include="oschar.h" />
<ClInclude Include="syscalls.h" />
<ClInclude Include="windows\getopt.h" /> <ClInclude Include="windows\getopt.h" />
<ClInclude Include="info.h" /> <ClInclude Include="info.h" />
<ClInclude Include="ivfc.h" /> <ClInclude Include="ivfc.h" />
ctrtool/ctrtool.vcxproj.filters
+6
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@@ -117,6 +117,9 @@
<ClCompile Include="oschar.c"> <ClCompile Include="oschar.c">
<Filter>Source Files</Filter> <Filter>Source Files</Filter>
</ClCompile> </ClCompile>
<ClCompile Include="syscalls.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClInclude Include="cia.h"> <ClInclude Include="cia.h">
@@ -209,5 +212,8 @@
<ClInclude Include="oschar.h"> <ClInclude Include="oschar.h">
<Filter>Header Files</Filter> <Filter>Header Files</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="syscalls.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup> </ItemGroup>
</Project> </Project>
ctrtool/exheader.c
+57 -31
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@@ -1,3 +1,4 @@
#include <stdbool.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
@@ -5,6 +6,7 @@
#include "exheader.h" #include "exheader.h"
#include "utils.h" #include "utils.h"
#include "ncch.h" #include "ncch.h"
#include "syscalls.h"
#include <inttypes.h> #include <inttypes.h>
void exheader_init(exheader_context* ctx) void exheader_init(exheader_context* ctx)
@@ -193,7 +195,7 @@ int exheader_process(exheader_context* ctx, u32 actions)
exheader_verify(ctx); exheader_verify(ctx);
if (actions & InfoFlag) if (actions & InfoFlag)
exheader_print(ctx); exheader_print(ctx, actions);
return 1; return 1;
} }
@@ -231,7 +233,7 @@ void exheader_print_arm9accesscontrol(exheader_context* ctx)
} }
} }
void exheader_print_arm11kernelcapabilities(exheader_context* ctx) void exheader_print_arm11kernelcapabilities(exheader_context* ctx, u32 actions)
{ {
unsigned int i, j; unsigned int i, j;
unsigned int systemcallmask[8]; unsigned int systemcallmask[8];
@@ -294,42 +296,66 @@ void exheader_print_arm11kernelcapabilities(exheader_context* ctx)
} }
fprintf(stdout, "Allowed systemcalls: "); fprintf(stdout, "Allowed systemcalls: ");
for(i=0; i<8; i++) if(!(actions & ShowSyscallsFlag))
{ {
for(j=0; j<24; j++) for(i=0; i<8; i++)
{ {
svcmask = systemcallmask[i]; for(j=0; j<24; j++)
if (svcmask & (1<<j))
{ {
unsigned int svcid = i*24+j; svcmask = systemcallmask[i];
if (svccount == 0)
{
fprintf(stdout, "0x%02X", svcid);
}
else if ( (svccount & 7) == 0)
{
fprintf(stdout, " ");
fprintf(stdout, "0x%02X", svcid);
}
else
{
fprintf(stdout, ", 0x%02X", svcid);
}
svccount++; if (svcmask & (1<<j))
if ( (svccount & 7) == 0)
{ {
fprintf(stdout, "\n"); unsigned int svcid = i*24+j;
if (svccount == 0)
{
fprintf(stdout, "0x%02X", svcid);
}
else if ( (svccount & 7) == 0)
{
fprintf(stdout, " ");
fprintf(stdout, "0x%02X", svcid);
}
else
{
fprintf(stdout, ", 0x%02X", svcid);
}
svccount++;
if ( (svccount & 7) == 0)
{
fprintf(stdout, "\n");
}
}
}
}
if (svccount & 7)
fprintf(stdout, "\n");
if (svccount == 0)
fprintf(stdout, "none\n");
}
else
{
fprintf(stdout, "\n");
for(i=0; i<8; i++)
{
for(j=0; j<24; j++)
{
svcmask = systemcallmask[i];
if (svcmask & (1 << j))
{
unsigned int svcid = i * 24 + j;
char svcname[128];
syscall_get_name(svcname, sizeof(svcname), svcid);
fprintf(stdout, " > 0x%02X %s\n", svcid, svcname);
} }
} }
} }
} }
if (svccount & 7)
fprintf(stdout, "\n");
if (svccount == 0)
fprintf(stdout, "none\n");
fprintf(stdout, "Allowed interrupts: "); fprintf(stdout, "Allowed interrupts: ");
for(i=0; i<0x7F; i++) for(i=0; i<0x7F; i++)
@@ -618,7 +644,7 @@ const char* exheader_getsystemmodeextstring(u8 systemmodeext, u8 systemmode)
} }
void exheader_print(exheader_context* ctx) void exheader_print(exheader_context* ctx, u32 actions)
{ {
u32 i; u32 i;
u64 savedatasize = getle64(ctx->header.systeminfo.savedatasize); u64 savedatasize = getle64(ctx->header.systeminfo.savedatasize);
@@ -679,7 +705,7 @@ void exheader_print(exheader_context* ctx)
fprintf(stdout, "Main thread priority: %d %s\n", ctx->system_local_caps.priority, exheader_getvalidstring(ctx->validpriority)); fprintf(stdout, "Main thread priority: %d %s\n", ctx->system_local_caps.priority, exheader_getvalidstring(ctx->validpriority));
// print resource limit descriptor too? currently mostly zeroes... // print resource limit descriptor too? currently mostly zeroes...
exheader_print_arm11storageinfo(ctx); exheader_print_arm11storageinfo(ctx);
exheader_print_arm11kernelcapabilities(ctx); exheader_print_arm11kernelcapabilities(ctx, actions);
exheader_print_arm9accesscontrol(ctx); exheader_print_arm9accesscontrol(ctx);
fprintf(stdout, "Service access: %s\n", exheader_getvalidstring(ctx->validservicecontrol)); fprintf(stdout, "Service access: %s\n", exheader_getvalidstring(ctx->validservicecontrol));
ctrtool/exheader.h
+1 -1
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@@ -194,7 +194,7 @@ int exheader_get_compressedflag(exheader_context* ctx);
void exheader_read(exheader_context* ctx, u32 actions); void exheader_read(exheader_context* ctx, u32 actions);
int exheader_process(exheader_context* ctx, u32 actions); int exheader_process(exheader_context* ctx, u32 actions);
const char* exheader_getvalidstring(int valid); const char* exheader_getvalidstring(int valid);
void exheader_print(exheader_context* ctx); void exheader_print(exheader_context* ctx, u32 actions);
void exheader_verify(exheader_context* ctx); void exheader_verify(exheader_context* ctx);
int exheader_hash_valid(exheader_context* ctx); int exheader_hash_valid(exheader_context* ctx);
int exheader_programid_valid(exheader_context* ctx); int exheader_programid_valid(exheader_context* ctx);
ctrtool/main.c
+3
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@@ -58,6 +58,7 @@ static void usage(const char *argv0)
" --ncchkey=key Set ncch key.\n" " --ncchkey=key Set ncch key.\n"
" --ncchsyskey=key Set ncch fixed system key.\n" " --ncchsyskey=key Set ncch fixed system key.\n"
" --showkeys Show the keys being used.\n" " --showkeys Show the keys being used.\n"
" --showsyscalls Show system call names instead of numbers.\n"
" -t, --intype=type Specify input file type [ncsd, ncch, exheader, cia, tmd, lzss,\n" " -t, --intype=type Specify input file type [ncsd, ncch, exheader, cia, tmd, lzss,\n"
" firm, cwav, exefs, romfs]\n" " firm, cwav, exefs, romfs]\n"
"LZSS options:\n" "LZSS options:\n"
@@ -150,6 +151,7 @@ int main(int argc, char* argv[])
{"decompresscode", 0, NULL, 21}, {"decompresscode", 0, NULL, 21},
{"titlekey", 1, NULL, 22}, {"titlekey", 1, NULL, 22},
{"plainrgn", 1, NULL, 23}, {"plainrgn", 1, NULL, 23},
{"showsyscalls", 0, NULL, 24},
{NULL}, {NULL},
}; };
@@ -239,6 +241,7 @@ int main(int argc, char* argv[])
case 21: ctx.actions |= DecompressCodeFlag; break; case 21: ctx.actions |= DecompressCodeFlag; break;
case 22: keyset_parse_titlekey(&tmpkeys, optarg, strlen(optarg)); break; case 22: keyset_parse_titlekey(&tmpkeys, optarg, strlen(optarg)); break;
case 23: settings_set_plainrgn_path(&ctx.usersettings, optarg); break; case 23: settings_set_plainrgn_path(&ctx.usersettings, optarg); break;
case 24: ctx.actions |= ShowSyscallsFlag; break;
default: default:
usage(argv[0]); usage(argv[0]);
ctrtool/syscalls.c
+165
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@@ -0,0 +1,165 @@
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include "syscalls.h"
// List of 3DS system calls. NULL indicates unknown.
static const char *const syscall_list[NUM_SYSCALLS] =
{
NULL, // 00
"ControlMemory", // 01
"QueryMemory", // 02
"ExitProcess", // 03
"GetProcessAffinityMask", // 04
"SetProcessAffinityMask", // 05
"GetProcessIdealProcessor", // 06
"SetProcessIdealProcessor", // 07
"CreateThread", // 08
"ExitThread", // 09
"SleepThread", // 0A
"GetThreadPriority", // 0B
"SetThreadPriority", // 0C
"GetThreadAffinityMask", // 0D
"SetThreadAffinityMask", // 0E
"GetThreadIdealProcessor", // 0F
"SetThreadIdealProcessor", // 10
"GetCurrentProcessorNumber", // 11
"Run", // 12
"CreateMutex", // 13
"ReleaseMutex", // 14
"CreateSemaphore", // 15
"ReleaseSemaphore", // 16
"CreateEvent", // 17
"SignalEvent", // 18
"ClearEvent", // 19
"CreateTimer", // 1A
"SetTimer", // 1B
"CancelTimer", // 1C
"ClearTimer", // 1D
"CreateMemoryBlock", // 1E
"MapMemoryBlock", // 1F
"UnmapMemoryBlock", // 20
"CreateAddressArbiter", // 21
"ArbitrateAddress", // 22
"CloseHandle", // 23
"WaitSynchronization1", // 24
"WaitSynchronizationN", // 25
"SignalAndWait", // 26
"DuplicateHandle", // 27
"GetSystemTick", // 28
"GetHandleInfo", // 29
"GetSystemInfo", // 2A
"GetProcessInfo", // 2B
"GetThreadInfo", // 2C
"ConnectToPort", // 2D
"SendSyncRequest1", // 2E
"SendSyncRequest2", // 2F
"SendSyncRequest3", // 30
"SendSyncRequest4", // 31
"SendSyncRequest", // 32
"OpenProcess", // 33
"OpenThread", // 34
"GetProcessId", // 35
"GetProcessIdOfThread", // 36
"GetThreadId", // 37
"GetResourceLimit", // 38
"GetResourceLimitLimitValues", // 39
"GetResourceLimitCurrentValues", // 3A
"GetThreadContext", // 3B
"Break", // 3C
"OutputDebugString", // 3D
"ControlPerformanceCounter", // 3E
NULL, // 3F
NULL, // 40
NULL, // 41
NULL, // 42
NULL, // 43
NULL, // 44
NULL, // 45
NULL, // 46
"CreatePort", // 47
"CreateSessionToPort", // 48
"CreateSession", // 49
"AcceptSession", // 4A
"ReplyAndReceive1", // 4B
"ReplyAndReceive2", // 4C
"ReplyAndReceive3", // 4D
"ReplyAndReceive4", // 4E
"ReplyAndReceive", // 4F
"BindInterrupt", // 50
"UnbindInterrupt", // 51
"InvalidateProcessDataCache", // 52
"StoreProcessDataCache", // 53
"FlushProcessDataCache", // 54
"StartInterProcessDma", // 55
"StopDma", // 56
"GetDmaState", // 57
"RestartDma", // 58
NULL, // 59
NULL, // 5A
NULL, // 5B
NULL, // 5C
NULL, // 5D
NULL, // 5E
NULL, // 5F
"DebugActiveProcess", // 60
"BreakDebugProcess", // 61
"TerminateDebugProcess", // 62
"GetProcessDebugEvent", // 63
"ContinueDebugEvent", // 64
"GetProcessList", // 65
"GetThreadList", // 66
"GetDebugThreadContext", // 67
"SetDebugThreadContext", // 68
"QueryDebugProcessMemory", // 69
"ReadProcessMemory", // 6A
"WriteProcessMemory", // 6B
"SetHardwareBreakPoint", // 6C
"GetDebugThreadParam", // 6D
NULL, // 6E
NULL, // 6F
"ControlProcessMemory", // 70
"MapProcessMemory", // 71
"UnmapProcessMemory", // 72
"CreateCodeSet", // 73
NULL, // 74
"CreateProcess", // 75
"TerminateProcess", // 76
"SetProcessResourceLimits", // 77
"CreateResourceLimit", // 78
"SetResourceLimitValues", // 79
"AddCodeSegment", // 7A
"Backdoor", // 7B
"KernelSetState", // 7C
"QueryProcessMemory", // 7D
NULL, // 7E
NULL, // 7F
};
void syscall_get_name(char *output, size_t size, unsigned int call_num)
{
typedef char StaticAssert[sizeof(syscall_list) / sizeof(syscall_list[0]) == NUM_SYSCALLS ? 1 : -1];
if (size == 0)
{
return;
}
const char *name = NULL;
if (call_num < (unsigned int) NUM_SYSCALLS)
{
name = syscall_list[call_num];
}
char name_buf[] = "UnknownXX";
sprintf(&name_buf[sizeof(name_buf) - 3], "%02X", call_num & 0xFFu);
name = name ? name : name_buf;
size_t length = strlen(name);
length = (length > (size - 1)) ? (size - 1) : length;
memcpy(output, name, length);
output[length] = '\0';
}
ctrtool/syscalls.h
+19
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@@ -0,0 +1,19 @@
#ifndef _SYSCALLS_H_
#define _SYSCALLS_H_
#include <stddef.h>
#ifdef __cplusplus
extern "C"
{
#endif
enum { NUM_SYSCALLS = 0x80 };
void syscall_get_name(char *output, size_t size, unsigned int call_num);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
ctrtool/types.h
+2 -1
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@@ -23,7 +23,8 @@ enum flags
VerifyFlag = (1<<4), VerifyFlag = (1<<4),
RawFlag = (1<<5), RawFlag = (1<<5),
ShowKeysFlag = (1<<6), ShowKeysFlag = (1<<6),
DecompressCodeFlag = (1<<7) DecompressCodeFlag = (1<<7),
ShowSyscallsFlag = (1<<8),
}; };
enum validstate enum validstate