From c9e188a4d1634d9c7d2292a8d04e02f313f37f3b Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Sat, 25 Oct 2003 19:20:13 +0000
Subject: [project @ 2003-10-25 19:20:13 by jmb] HTTP Auth login improved
 (greatly). Addresses all three issues in the previous version.

svn path=/import/netsurf/; revision=382
---
 desktop/loginlist.c | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 desktop/loginlist.c

(limited to 'desktop/loginlist.c')

diff --git a/desktop/loginlist.c b/desktop/loginlist.c
new file mode 100644
index 000000000..08b1822c1
--- /dev/null
+++ b/desktop/loginlist.c
@@ -0,0 +1,137 @@
+/*
+ * This file is part of NetSurf, http://netsurf.sourceforge.net/
+ * Licensed under the GNU General Public License,
+ *                http://www.opensource.org/licenses/gpl-license
+ * Copyright 2003 John M Bell <jmb202@ecs.soton.ac.uk>
+ */
+
+#include <assert.h>
+#include <string.h>
+#include "netsurf/desktop/401login.h"
+#include "netsurf/utils/log.h"
+#include "netsurf/utils/utils.h"
+
+#define NDEBUG
+
+void login_list_dump(void);
+
+/**
+ * Pointer into the linked list
+ */
+static struct login login = {0, 0, &login, &login};
+static struct login *loginlist = &login;
+
+/**
+ * Adds an item to the list of login details
+ */
+void login_list_add(char *host, char* logindets) {
+
+  struct login *nli = xcalloc(1, sizeof(*nli));
+  char *temp = xstrdup(host);
+  char *i;
+
+  /* Go back to the path base ie strip the document name
+   * eg. http://www.blah.com/blah/test.htm becomes
+   *     http://www.blah.com/blah/
+   * This does, however, mean that directories MUST have a '/' at the end
+   */
+  if (temp[strlen(temp)-1] != '/') {
+    i = strrchr(temp, '/');
+    temp[(i-temp)+1] = 0;
+  }
+
+  nli->host = xstrdup(temp);
+  nli->logindetails = xstrdup(logindets);
+  nli->prev = loginlist->prev;
+  nli->next = loginlist;
+  loginlist->prev->next = nli;
+  loginlist->prev = nli;
+
+  LOG(("Adding %s : %s", temp, logindets));
+#ifndef NDEBUG
+  login_list_dump();
+#endif
+  xfree(temp);
+}
+
+/**
+ * Retrieves an element from the login list
+ */
+struct login *login_list_get(char *host) {
+
+  struct login *nli;
+  char *temp, *temphost;
+  char* i;
+
+  if (host == NULL)
+    return NULL;
+
+  temphost = get_host_from_url(host);
+  temp = xstrdup(host);
+
+  /* Work backwards through the path, directory at at time.
+   * Finds the closest match.
+   * eg. http://www.blah.com/moo/ matches the url
+   *     http://www.blah.com/moo/test/index.htm
+   * This allows multiple realms (and login details) per host.
+   * Only one set of login details per realm are allowed.
+   */
+  while (strcasecmp(temp, temphost) != 0) {
+
+    LOG(("%s, %d", temp, strlen(temp)));
+
+    for (nli = loginlist->next; nli != loginlist &&
+                                (strcasecmp(nli->host, temp)!=0);
+         nli = nli->next) ;
+
+    if (temp[strlen(temp)-1] == '/') {
+      temp[strlen(temp)-1] = 0;
+    }
+
+    i = strrchr(temp, '/');
+
+    temp[(i-temp)+1] = 0;
+
+    if (nli != loginlist) {
+      LOG(("Got %s", nli->host));
+      xfree(temphost);
+      return nli;
+    }
+  }
+
+  xfree(temphost);
+  return NULL;
+}
+
+/**
+ * Remove a realm's login details from the list
+ */
+void login_list_remove(char *host) {
+
+  struct login *nli = login_list_get(host);
+
+  if (nli != NULL) {
+    nli->prev->next = nli->next;
+    nli->next->prev = nli->prev;
+    xfree(nli->logindetails);
+    xfree(nli->host);
+    xfree(nli);
+  }
+
+  LOG(("Removing %s", host));
+#ifndef NDEBUG
+  login_list_dump();
+#endif
+}
+
+/**
+ * Dumps the list of login details (base paths only)
+ */
+void login_list_dump(void) {
+
+  struct login *nli;
+
+  for (nli = loginlist->next; nli != loginlist; nli = nli->next) {
+    LOG(("%s", nli->host));
+  }
+}
-- 
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