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Added automatic use of dll commands (see config.h for more details)

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@645 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
sunjammerx 2002-08-05 02:05:00 +00:00
parent 8ef7b8fe3c
commit 31ad4513e9
16 changed files with 752 additions and 18 deletions
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69
Source/exehead/exec.c
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@ -9,6 +9,10 @@
#include "lang.h"
#include "resource.h"
#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
#include "dllpaths.h"
#endif // NSIS_CONFIG_PLUGIN_SUPPORT
#define EXEC_ERROR 0x7FFFFFFF
#ifdef NSIS_CONFIG_COMPONENTPAGE
@ -1418,6 +1422,71 @@ static int ExecuteEntry(entry *entries, int pos)
}
return 0;
#endif //NSIS_CONFIG_VISIBLE_SUPPORT
// Added by Ximon Eighteen 5th August 2002
#ifdef NSIS_CONFIG_PLUGIN_SUPPORT
case EW_EXTERNALCOMMANDPREP:
{
// parms[0] - dll name
// parms[1] - function name
// parms[2] - compressed data handle
char* dllPath = DllPathsDetermined(parms[0]);
if (!dllPath)
{
HANDLE hOut;
if (!GetTempPath(NSIS_MAX_STRLEN,buf2) ||
!GetTempFileName(buf2,"nst",0,buf))
{
exec_errorflag++;
return 0;
}
hOut = myOpenFile(buf,GENERIC_WRITE,CREATE_ALWAYS);
GetCompressedDataFromDataBlock(parms[2],hOut);
CloseHandle(hOut);
DllPathsAdd(parms[0],buf);
}
// leave buf containing the dll path
// and buf2 containing the function name
process_string_fromtab(buf2,parms[1]);
}
return 0;
case EW_EXTERNALCOMMAND:
{
// parms contain command arguments
FARPROC funke;
HANDLE h;
int i;
// Place the command arguments on the stack, then invoke a CallInstDLL
// command on behalf of the user. Error handling needs improving, this
// won't fail gracefully, instead it could leave the stack in a state
// the user script won't expect.
for (i = 0; parms[i] != -1 && i < MAX_ENTRY_OFFSETS; i++)
{
stack_t* s = (stack_t*)GlobalAlloc(GPTR,sizeof(stack_t));
process_string_fromtab(s->text,parms[i]);
s->next = g_st;
g_st = s;
}
h = LoadLibrary(buf);
if (h)
{
funke = GetProcAddress(h,buf2);
if (funke)
{
void (*func)(HWND,int,char*,void*);
func = (void*)funke;
func(g_hwnd,NSIS_MAX_STRLEN,(char*)g_usrvars,(void*)&g_st);
}
FreeLibrary(h);
}
}
return 0;
#endif // NSIS_CONFIG_PLUGIN_SUPPORT
}
MessageBox(g_hwnd,LANG_INSTCORRUPTED,g_caption,MB_OK|MB_ICONSTOP);
return EXEC_ERROR;