X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=AcessNative%2Flibacess-native.so_src%2Fmain.c;h=900a14c0c26c169ce3d8eb1b60689f27d446aff4;hb=336ba8b200f6ca1d5d25f09a9d7ddac2e59b26d9;hp=4bf908bf84d664bce995058657870c9004f6dfa0;hpb=edbf6589036993a821a4d2f04af62af8f87a3289;p=tpg%2Facess2.git

diff --git a/AcessNative/libacess-native.so_src/main.c b/AcessNative/libacess-native.so_src/main.c
index 4bf908bf..900a14c0 100644
--- a/AcessNative/libacess-native.so_src/main.c
+++ b/AcessNative/libacess-native.so_src/main.c
@@ -1,19 +1,75 @@
 /*
  */
 #include <stdarg.h>
+#include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+extern int	giSyscall_ClientID;
+extern void	Request_Preinit(void);
+extern int	acess__SysOpen(const char *Path, unsigned int flags);
 
 #ifdef __WINDOWS__
 int DllMain(void)
 {
+	fprintf(stderr, "TODO: Windows libacessnative setup\n");
 	return 0;
 }
 
 #endif
 
 #ifdef __linux__
-int main(int argc, char *argv[], char **envp)
+int __attribute__ ((constructor(102))) libacessnative_init(int argc, char *argv[], char **envp);
+
+const char *getenv_p(char **envp, const char *name)
 {
+	size_t	namelen = strlen(name);
+	for(; *envp; envp ++)
+	{
+		if( strncmp(*envp, name, namelen) != 0 )
+			continue ;
+		if( (*envp)[namelen] != '=' )
+			continue ;
+		return (*envp)+namelen+1;
+	}
+	return 0;
+}
+
+int libacessnative_init(int argc, char *argv[], char **envp)
+{
+	Request_Preinit();
+	
+	const char *preopens = getenv_p(envp, "AN_PREOPEN");
+	printf("preopens = %s\n", preopens);
+	if( preopens )
+	{
+		while( *preopens )
+		{
+			const char *splitter = strchr(preopens, ':');
+			size_t	len;
+			if( !splitter ) {
+				len = strlen(preopens);
+			}
+			else {
+				len = splitter - preopens;
+			}
+			char path[len+1];
+			memcpy(path, preopens, len);
+			path[len] = 0;
+			int fd = acess__SysOpen(path, 6);	// WRITE,READ,no EXEC
+			if( fd == -1 ) {
+				fprintf(stderr, "Unable to preopen '%s'\n", path);
+			}
+			
+			if( !splitter )
+				break;
+			preopens = splitter + 1;
+		}
+	}
+
+//	if( !getenv("ACESSNATIVE_ID")
+	
 	return 0;
 }
 #endif
@@ -39,3 +95,11 @@ void Warning(const char *format, ...)
 	printf("\n");
 }
 
+void __libc_csu_fini()
+{
+}
+
+void __libc_csu_init()
+{
+}
+