New exec plugin (broke)

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@920 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/nsExec/nsexec.c

@@ -0,0 +1,188 @@
+#include <windows.h>
+#include <commctrl.h>
+#include "nsexec.h"
+
+#ifndef true
+#define true TRUE
+#endif
+#ifndef false
+#define false FALSE
+#endif
+
+HINSTANCE	g_hInstance;
+HWND		g_hwndParent;
+HWND		g_hwndList;
+HWND		g_hwndDlg;
+char		g_exec[MAX_PATH];
+BOOL		g_done;
+BOOL		g_foundto;
+int			g_to;
+
+int LogMessage(const char *pStr);
+char *my_strstr(const char *string, const char *strCharSet);
+int my_atoi(char *s);
+
+void __declspec(dllexport) Exec(HWND hwndParent, int string_size, char *variables, stack_t **stacktop) {
+	g_hwndParent=hwndParent;
+	g_stringsize=string_size;
+	g_stacktop=stacktop;
+	g_variables=variables;
+	{
+		g_to = 100000;
+		g_foundto = FALSE;
+		g_hwndDlg = FindWindowEx(g_hwndParent,NULL,"#32770",NULL);
+		g_hwndList = FindWindowEx(g_hwndDlg,NULL,"SysListView32",NULL);
+
+		if (!g_foundto&&!popstring(g_exec)) {
+			STARTUPINFO si={sizeof(si),};
+			SECURITY_ATTRIBUTES sa={sizeof(sa),};
+			SECURITY_DESCRIPTOR sd={0,};
+			PROCESS_INFORMATION pi={0,};
+			OSVERSIONINFO osv={sizeof(osv)};
+			HANDLE newstdout=0,read_stdout=0;
+			DWORD dwRead = 1;
+			DWORD dwExit = !STILL_ACTIVE;
+			HGLOBAL memory;
+			char *szBuf;
+			GetVersionEx(&osv);
+			if (osv.dwPlatformId == VER_PLATFORM_WIN32_NT) {
+				InitializeSecurityDescriptor(&sd,SECURITY_DESCRIPTOR_REVISION);
+				SetSecurityDescriptorDacl(&sd,true,NULL,false);
+				sa.lpSecurityDescriptor = &sd;
+			}
+			else sa.lpSecurityDescriptor = NULL;
+			sa.bInheritHandle = true;
+			if (!CreatePipe(&read_stdout,&newstdout,&sa,0)) {
+				pushstring("");
+				pushstring("error");
+				return;
+			}
+			GetStartupInfo(&si);
+			si.dwFlags = STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
+			si.wShowWindow = SW_HIDE;
+			si.hStdOutput = newstdout;
+			si.hStdError = newstdout;
+			if (!CreateProcess(NULL,g_exec,NULL,NULL,TRUE,CREATE_NEW_CONSOLE,NULL,NULL,&si,&pi)) {
+				CloseHandle(newstdout);
+				CloseHandle(read_stdout);
+				pushstring("");
+				pushstring("error");
+			}
+			WaitForSingleObject(pi.hProcess,INFINITE);
+			PeekNamedPipe(read_stdout, 0, 0, 0, &dwRead, NULL);
+			memory = GlobalAlloc(GMEM_MOVEABLE,dwRead+1);
+			szBuf = (char *)GlobalLock(memory);
+			ReadFile(read_stdout, szBuf, dwRead, &dwRead, NULL);
+			pushstring(szBuf);
+			pushstring("success");
+			if (my_strstr(szBuf,"\r\n")) {
+				while (szBuf&&*szBuf) {
+					char *i = my_strstr(szBuf,"\r\n");
+					if (!i) {
+						LogMessage(szBuf);
+						break;
+					}
+					*i=0;
+					LogMessage(szBuf);
+					szBuf = i+2;
+				}
+			}
+			else if (my_strstr(szBuf,"\n")) {
+				MessageBox(0,"n","n",MB_OK);
+			}
+			else {
+				LogMessage(szBuf);
+			}
+			GlobalFree(szBuf);
+			CloseHandle(pi.hThread);
+			CloseHandle(pi.hProcess);
+			CloseHandle(newstdout);
+			CloseHandle(read_stdout);
+		}
+		pushstring("");
+		pushstring("error");
+	}
+}
+
+BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved) {
+	g_hInstance=hInst;
+	return TRUE;
+}
+
+// code I stole (err borrowed) from Tim Kosse
+// all credits/problems are his
+int LogMessage(const char *pStr) {
+	LVITEM item={0};
+	int nItemCount;
+	if (!g_hwndList) return -1;
+	nItemCount=SendMessage(g_hwndList, LVM_GETITEMCOUNT, 0, 0);
+	item.mask=LVIF_TEXT;
+	item.pszText=(char *)pStr;
+	item.cchTextMax=6;
+	item.iItem=nItemCount;
+	ListView_InsertItem(g_hwndList, &item);
+    ListView_EnsureVisible(g_hwndList, item.iItem, 0);
+    return 0;
+}
+
+
+char *my_strstr(const char *string, const char *strCharSet) {
+	char *s1, *s2;
+	size_t chklen;
+	size_t i;
+	if (!*strCharSet) return (char*)string;
+	chklen=lstrlen(string)-lstrlen(strCharSet);
+	for (i = 0; i < chklen; i++) {
+		s1=&((char*)string)[i];
+		s2=(char*)strCharSet;
+		while (*s1++ == *s2++)
+			if (!*s2)
+				return &((char*)string)[i];
+	}
+	return 0;
+}
+
+int my_atoi(char *s)
+{
+  unsigned int v=0;
+  if (*s == '0' && (s[1] == 'x' || s[1] == 'X'))
+  {
+    s+=2;
+    for (;;)
+    {
+      int c=*s++;
+      if (c >= '0' && c <= '9') c-='0';
+      else if (c >= 'a' && c <= 'f') c-='a'-10;
+      else if (c >= 'A' && c <= 'F') c-='A'-10;
+      else break;
+      v<<=4;
+      v+=c;
+    }
+  }
+  else if (*s == '0' && s[1] <= '7' && s[1] >= '0')
+  {
+    s++;
+    for (;;)
+    {
+      int c=*s++;
+      if (c >= '0' && c <= '7') c-='0';
+      else break;
+      v<<=3;
+      v+=c;
+    }
+  }
+  else
+  {
+    int sign=0;
+    if (*s == '-') { s++; sign++; }
+    for (;;)
+    {
+      int c=*s++ - '0';
+      if (c < 0 || c > 9) break;
+      v*=10;
+      v+=c;
+    }
+    if (sign) return -(int) v;
+  }
+  return (int)v;
+}