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added linux support to CS_InternalCmd

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This commit is contained in:
David Anderson 2007-04-26 20:07:31 +00:00
parent 525eb65e1c
commit 710cd548a9
2 changed files with 51 additions and 4 deletions
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53
dlls/cstrike/cstrike/CstrikeHacks.cpp
View File

@ -1,5 +1,6 @@
#include "cstrike.h"
#include <assert.h> #include <assert.h>
#include <malloc.h>
#include "cstrike.h"
#ifdef __linux__ #ifdef __linux__
#include <sys/mman.h> #include <sys/mman.h>
@ -10,6 +11,7 @@
unsigned char *UTIL_CodeAlloc(size_t size); unsigned char *UTIL_CodeAlloc(size_t size);
void UTIL_CodeFree(unsigned char *addr); void UTIL_CodeFree(unsigned char *addr);
void UTIL_MemProtect(void *addr, int length, int prot); void UTIL_MemProtect(void *addr, int length, int prot);
bool UTIL_GetLibraryOfAddress(void *memInBase, char *buffer, size_t maxlength);
/* Detours */ /* Detours */
void CtrlDetour_ClientCommand(bool set); void CtrlDetour_ClientCommand(bool set);
@ -61,12 +63,26 @@ void CtrlDetour_ClientCommand(bool set)
const unsigned int DetourJmpBytes = 5; const unsigned int DetourJmpBytes = 5;
static unsigned char *FullDetour = NULL; static unsigned char *FullDetour = NULL;
void *target = MDLL_ClientCommand; void *target = (void *)MDLL_ClientCommand;
unsigned char *paddr; unsigned char *paddr;
if (!g_UseBotArgs) if (!g_UseBotArgs)
{ {
#if defined __linux__ #if defined __linux__
/* Find the DLL */
char dll[256];
if (!UTIL_GetLibraryOfAddress(target, dll, sizeof(dll)))
{
return;
}
void *handle = dlopen(dll, RTLD_NOW);
if (!handle)
{
return;
}
g_UseBotArgs = (int *)dlsym(handle, "UseBotArgs");
g_BotArgs = (const char **)dlsym(handle, "BotArgs");
dlclose(handle);
#else #else
/* Find the bot args addresses */ /* Find the bot args addresses */
paddr = (unsigned char *)target + CS_CLICMD_OFFS_USEBOTARGS; paddr = (unsigned char *)target + CS_CLICMD_OFFS_USEBOTARGS;
@ -130,7 +146,7 @@ unsigned char *UTIL_CodeAlloc(size_t size)
return (unsigned char *)VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE); return (unsigned char *)VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
#else #else
unsigned char *addr = (unsigned char *)memalign(sysconf(_SC_PAGESIZE), size); unsigned char *addr = (unsigned char *)memalign(sysconf(_SC_PAGESIZE), size);
mprotect(base, size, PROT_READ|PROT_WRITE|PROT_EXEC); mprotect(addr, size, PROT_READ|PROT_WRITE|PROT_EXEC);
return addr; return addr;
#endif #endif
} }
@ -155,3 +171,34 @@ void UTIL_MemProtect(void *addr, int length, int prot)
VirtualProtect(addr, length, prot, &old_prot); VirtualProtect(addr, length, prot, &old_prot);
#endif #endif
} }
bool UTIL_GetLibraryOfAddress(void *memInBase, char *buffer, size_t maxlength)
{
#if defined __linux__
Dl_info info;
if (!dladdr(memInBase, &info))
{
return false;
}
if (!info.dli_fbase || !info.dli_fname)
{
return false;
}
const char *dllpath = info.dli_fname;
snprintf(buffer, maxlength, "%s", dllpath);
#else
MEMORY_BASIC_INFORMATION mem;
if (!VirtualQuery(memInBase, &mem, sizeof(mem)))
{
return false;
}
if (mem.AllocationBase == NULL)
{
return false;
}
HMODULE dll = (HMODULE)mem.AllocationBase;
GetModuleFileName(dll, (LPTSTR)buffer, maxlength);
#endif
return true;
}

2
dlls/cstrike/cstrike/Makefile
View File

@ -14,7 +14,7 @@ NAME = cstrike
BIN_SUFFIX_32 = amxx_i386.so BIN_SUFFIX_32 = amxx_i386.so
BIN_SUFFIX_64 = amxx_amd64.so BIN_SUFFIX_64 = amxx_amd64.so
OBJECTS = sdk/amxxmodule.cpp CstrikePlayer.cpp cstrike.cpp OBJECTS = sdk/amxxmodule.cpp CstrikePlayer.cpp cstrike.cpp CstrikeHacks.cpp
LINK = LINK =