From 93715c46a99c96d6c866968312691ec9ab0f6a03 Mon Sep 17 00:00:00 2001
From: jcid <devnull@localhost>
Date: Sun, 7 Oct 2007 00:36:34 +0200
Subject: Initial revision

---
 dpid/dpi_socket_dir.c | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 dpid/dpi_socket_dir.c

(limited to 'dpid/dpi_socket_dir.c')

diff --git a/dpid/dpi_socket_dir.c b/dpid/dpi_socket_dir.c
new file mode 100644
index 00000000..c18faf0d
--- /dev/null
+++ b/dpid/dpi_socket_dir.c
@@ -0,0 +1,128 @@
+/*
+   Copyright (C) 2003  Ferdi Franceschini <ferdif@optusnet.com.au>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*! \file
+ * Create a per user temporary directory for dpi sockets
+ */
+
+#include <errno.h>
+#include "dpid_common.h"
+#include "dpi.h"
+#include "misc_new.h"
+#include "dpi_socket_dir.h" /* for function prototypes */
+
+/*! Save socket directory name in ~/.dillo/dpi_socket_dir
+ * \Return
+ * \li 1 on success
+ * \li -1 on failure
+ */
+int w_dpi_socket_dir(char *dirname, char *sockdir)
+{
+   FILE *dir;
+
+   if ((dir = fopen(dirname, "w")) == NULL) {
+      ERRMSG("w_dpi_socket_dir", "fopen", errno);
+      return (-1);
+   }
+   fprintf(dir, "%s", sockdir);
+   fclose(dir);
+   return (1);
+}
+
+/*! Test that socket directory exists and is a directory
+ * \Return
+ * \li 1 on success
+ * \li 0 on failure
+ * \bug Does not check permissions or that it's a symbolic link
+ * to another directory.
+ */
+int tst_dir(char *dir)
+{
+   char *dirtest;
+   int ret = 0;
+
+   /* test for a directory */
+   dirtest = dStrconcat(dir, "/", NULL);
+   if (access(dirtest, F_OK) == -1) {
+      ERRMSG("tst_dir", "access", errno);
+      MSG_ERR(" - %s\n", dirtest);
+   } else {
+      ret = 1;
+   }
+   dFree(dirtest);
+
+   return ret;
+}
+
+/*! Create socket directory
+ * \Return
+ * \li Socket directory path on success
+ * \li NULL on failure
+ */
+char *mk_sockdir(void)
+{
+   char *template;
+
+   template = dStrconcat("/tmp/", getlogin(), "-", "XXXXXX", NULL);
+   if (a_Misc_mkdtemp(template) == NULL) {
+      ERRMSG("mk_sockdir", "a_Misc_mkdtemp", 0);
+      MSG_ERR(" - %s\n", template);
+      dFree(template);
+      return (NULL);
+   }
+   return template;
+}
+
+/*! Create socket directory if it does not exist and save its name in
+ * ~/.dillo/dpi_socket_dir.
+ * \Return
+ * \li Socket directory name on success
+ * \li NULL on failure.
+ */
+char *init_sockdir(char *dpi_socket_dir)
+{
+   char *sockdir = NULL;
+   int dir_ok = 0;
+
+   if ((sockdir = a_Dpi_rd_dpi_socket_dir(dpi_socket_dir)) == NULL) {
+      MSG_ERR("init_sockdir: The dpi_socket_dir file %s does not exist\n",
+              sockdir);
+   } else {
+      if ((dir_ok = tst_dir(sockdir)) == 1) {
+         MSG_ERR("init_sockdir: The socket directory %s exists and is OK\n",
+                 sockdir);
+      } else {
+         MSG_ERR("init_sockdir: The socket directory %s does not exist "
+                 "or is not a directory\n", sockdir);
+         dFree(sockdir);
+      }
+   }
+   if (!dir_ok) {
+      sockdir = mk_sockdir();
+      if (sockdir == NULL) {
+         ERRMSG("init_sockdir", "mk_sockdir", 0);
+         MSG_ERR(" - Failed to create dpi socket directory\n");
+      } else if ((w_dpi_socket_dir(dpi_socket_dir, sockdir)) == -1) {
+         ERRMSG("init_sockdir", "w_dpi_socket_dir", 0);
+         MSG_ERR(" - failed to save %s\n", sockdir);
+         dFree(sockdir);
+         sockdir = NULL;
+      }
+   }
+   return (sockdir);
+}
-- 
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