torture: Added torture_rmdirs().

tests/torture.c

@@ -21,8 +21,15 @@
  * MA 02111-1307, USA.
  */
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#ifndef _WIN32
+# include <unistd.h>
+#endif
 
 #include "torture.h"
 
@@ -55,6 +62,72 @@ static int torture_auth_kbdint(ssh_session session,
     return err;
 }
 
+int torture_rmdirs(const char *path) {
+    DIR *d;
+    struct dirent *dp;
+    struct stat sb;
+    char *fname;
+
+    if ((d = opendir(path)) != NULL) {
+        while(stat(path, &sb) == 0) {
+            /* if we can remove the directory we're done */
+            if (rmdir(path) == 0) {
+                break;
+            }
+            switch (errno) {
+                case ENOTEMPTY:
+                case EEXIST:
+                case EBADF:
+                    break; /* continue */
+                default:
+                    closedir(d);
+                    return 0;
+            }
+
+            while ((dp = readdir(d)) != NULL) {
+                size_t len;
+                /* skip '.' and '..' */
+                if (dp->d_name[0] == '.' &&
+                        (dp->d_name[1] == '\0' ||
+                         (dp->d_name[1] == '.' && dp->d_name[2] == '\0'))) {
+                    continue;
+                }
+
+                len = strlen(path) + strlen(dp->d_name) + 2;
+                fname = malloc(len);
+                if (fname == NULL) {
+                    return -1;
+                }
+                snprintf(fname, len, "%s/%s", path, dp->d_name);
+
+                /* stat the file */
+                if (lstat(fname, &sb) != -1) {
+                    if (S_ISDIR(sb.st_mode) && !S_ISLNK(sb.st_mode)) {
+                        if (rmdir(fname) < 0) { /* can't be deleted */
+                            if (errno == EACCES) {
+                                closedir(d);
+                                SAFE_FREE(fname);
+                                return -1;
+                            }
+                            torture_rmdirs(fname);
+                        }
+                    } else {
+                        unlink(fname);
+                    }
+                } /* lstat */
+                SAFE_FREE(fname);
+            } /* readdir */
+
+            rewinddir(d);
+        }
+    } else {
+        return -1;
+    }
+
+    closedir(d);
+    return 0;
+}
+
 int torture_libssh_verbosity(void){
   return verbosity;
 }

tests/torture.h

@@ -46,6 +46,8 @@ struct argument_s {
 
 void torture_cmdline_parse(int argc, char **argv, struct argument_s *arguments);
 
+int torture_rmdirs(const char *path);
+
 /*
  * Returns the verbosity level asked by user
  */