Adding alternate root patch to restorecon (setfiles?)

* Adding alternate root patch to restorecon (setfiles?)
@ 2004-10-18 19:36 Daniel J Walsh
  0 siblings, 0 replies; 15+ messages in thread
From: Daniel J Walsh @ 2004-10-18 19:36 UTC (permalink / raw)
  To: Stephen Smalley, SELinux

[-- Attachment #1: Type: text/plain, Size: 19 bytes --]

Forgot patch.

Dan

[-- Attachment #2: policycoreutils-altroot.patch --]
[-- Type: text/plain, Size: 2149 bytes --]

--- policycoreutils-1.17.6/restorecon/restorecon.c.altroot	2004-10-06 09:47:47.000000000 -0400
+++ policycoreutils-1.17.6/restorecon/restorecon.c	2004-10-18 15:35:41.124661316 -0400
@@ -8,11 +8,13 @@
  * to match the specification returned by matchpathcon.
  *
  * USAGE:
- * restorecon [-Rnv] pathname...
+ * restorecon [-Rnv] [ -o outputfile ] [ -p alt_root ] pathname...
  * 
+ * -R	recurse
  * -n	Do not change any file labels.
  * -v	Show changes in file labels.  
- * -o filename save list of files with incorrect context
+ * -o	filename save list of files with incorrect context
+ * -p	alternate root: strip off alt_root from pathname when doing matchfilecon
  *
  * pathname...	The file(s) to label 
  *
@@ -40,6 +42,8 @@
 static int verbose=0;
 static FILE *outfile=NULL;
 static char *progname;
+static char *alt_root=NULL;
+static int alt_len=0;
 static int errors=0;
 static int recurse;
 
@@ -52,6 +56,7 @@
 int restore(char *filename) {
   int retcontext=0;
   int retval=0;
+  char *target=NULL;
   security_context_t scontext;
   security_context_t prev_context;
   int len=strlen(filename);
@@ -99,9 +104,14 @@
     }
     filename = p;
   }
-  retval = matchpathcon(filename, st.st_mode, &scontext);
+
+  target=filename;
+  if (alt_len != 0 && strncmp(alt_root, filename, alt_len) == 0)
+	  target=&filename[alt_len];
+
+  retval = matchpathcon(target, st.st_mode, &scontext);
   if (retval < 0) {
-    fprintf(stderr,"matchpathcon(%s) failed %s\n", filename,strerror(errno));
+    fprintf(stderr,"matchpathcon(%s) failed %s\n", target,strerror(errno));
     return 1;
   } 
   if (strcmp(scontext,"<<none>>")==0) {
@@ -179,7 +189,7 @@
 
   memset(buf,0, sizeof(buf));
 
-  while ((opt = getopt(argc, argv, "Rnvf:o:")) > 0) {
+  while ((opt = getopt(argc, argv, "Rnvf:o:p:")) > 0) {
     switch (opt) {
     case 'n':
       change = 0;
@@ -187,6 +197,12 @@
     case 'R':
       recurse = 1;
       break;
+    case 'p':
+      alt_root=strdup(optarg);
+      alt_len=strlen(optarg);
+      if (alt_root[alt_len-1]=='/') 
+	      alt_len--;
+      break;
     case 'o':
       outfile = fopen(optarg,"w");
       if (!outfile) {

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