From 89b7b67a13ebb7965cc7f13ad0595e2194a2d34c Mon Sep 17 00:00:00 2001
From: Jannis Hoffmann <jannis@fehcom.de>
Date: Wed, 3 Jul 2024 15:48:04 +0200
Subject: add sqmail-4.2.29a

---
 src/instcheck.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/instcheck.c

(limited to 'src/instcheck.c')

diff --git a/src/instcheck.c b/src/instcheck.c
new file mode 100644
index 0000000..e47da87
--- /dev/null
+++ b/src/instcheck.c
@@ -0,0 +1,73 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include "logmsg.h"
+#include "exit.h"
+#include "hier.h"
+
+extern void hier();
+
+#define WHO "instcheck"
+
+void perm(char *prefix1,char *prefix2,char *prefix3,char *file,int type,int uid,int gid,int mode)
+{
+  struct stat st;
+
+  if (stat(file,&st) == -1) {
+    if (errno == ENOENT)
+      logmsg(WHO,0,WARN,B("file does nost exist:",prefix1,prefix2,prefix3,file));
+    else
+      logmsg(WHO,errno,WARN,B("unable to stat: ../",file));
+    return;
+  }
+
+  if ((uid != -1) && (st.st_uid != uid))
+    logmsg(WHO,0,WARN,B("file has wrong owner: ",prefix1,prefix2,prefix3,file));
+  if ((gid != -1) && (st.st_gid != gid))
+    logmsg(WHO,0,WARN,B("file has wrong group: ",prefix1,prefix2,prefix3,file));
+  if ((st.st_mode & 07777) != mode)
+    logmsg(WHO,0,WARN,B("file has wrong permissions: ",prefix1,prefix2,prefix3,file));
+  if ((st.st_mode & S_IFMT) != type)
+    logmsg(WHO,0,WARN,B("file has wrong type: ",prefix1,prefix2,prefix3,file));
+}
+
+void h(char *home,int uid,int gid,int mode)
+{
+  perm("","","",home,S_IFDIR,uid,gid,mode);
+}
+
+void d(char *home,char *subdir,int uid,int gid,int mode)
+{
+  if (chdir(home) == -1)
+    logmsg(WHO,111,FATAL,B("unable to switch to: ",home));
+  perm("",home,"/",subdir,S_IFDIR,uid,gid,mode);
+}
+
+void p(char *home,char *fifo,int uid,int gid,int mode)
+{
+  if (chdir(home) == -1)
+    logmsg(WHO,111,FATAL,B("unable to switch to: ",home));
+  perm("",home,"/",fifo,S_IFIFO,uid,gid,mode);
+}
+
+void c(char *home,char *subdir,char *file,int uid,int gid,int mode)
+{
+  if (chdir(home) == -1)
+    logmsg(WHO,111,FATAL,B("unable to switch to: ",home));
+  if (chdir(subdir) == -1)
+    logmsg(WHO,111,FATAL,B("unable to switch to: ",home,"/",subdir));
+  perm(".../",subdir,"/",file,S_IFREG,uid,gid,mode);
+}
+
+void z(char *home,char *file,int len,int uid,int gid,int mode)
+{
+  if (chdir(home) == -1)
+    logmsg(WHO,111,FATAL,B("unable to switch to: ",home));
+  perm("",home,"/",file,S_IFREG,uid,gid,mode);
+}
+
+int main()
+{
+  hier();
+  _exit(0);
+}
-- 
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