From a3e12a41da8c84724d9190074011bae71e5945b2 Mon Sep 17 00:00:00 2001
From: cnlohr <lohr85@gmail.com>
Date: Sat, 9 Mar 2024 18:46:36 -0500
Subject: [PATCH] Add check for plugdev group. Note #287
---
minichlink/minichlink.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/minichlink/minichlink.c b/minichlink/minichlink.c
index 8992116..a7e544c 100644
--- a/minichlink/minichlink.c
+++ b/minichlink/minichlink.c
@@ -17,7 +17,9 @@
void Sleep(uint32_t dwMilliseconds);
#endif
#else
+#include <pwd.h>
#include <unistd.h>
+#include <grp.h>
#endif
static int64_t StringToMemoryAddress( const char * number ) __attribute__((used));
@@ -122,6 +124,30 @@ int main( int argc, char ** argv )
}
}
+#if !defined(WINDOWS) && !defined(WIN32) && !defined(_WIN32)
+ {
+ uid_t uid = getuid();
+ struct passwd* pw = getpwuid(uid);
+ if( pw )
+ {
+ gid_t groups[512];
+ int ngroups = sizeof( groups ) / sizeof( groups[0] );
+ int gl = getgrouplist( pw->pw_name, pw->pw_gid, groups, &ngroups );
+ int i;
+ for( i = 0; i < gl; i++ )
+ {
+ struct group * gr = getgrgid( groups[i] );
+ if( strcmp( gr->gr_name, "plugdev" ) == 0 )
+ break;
+ }
+ if( i == gl )
+ {
+ printf( "WARNING: You are not in the plugdev group, the canned udev rules will not work on your system.\n" );
+ }
+ }
+ }
+#endif
+
void * dev = MiniCHLinkInitAsDLL( 0, &hints );
if( !dev )
{
--
GitLab