summaryrefslogtreecommitdiff
path: root/lib/radius/custom.c
diff options
context:
space:
mode:
authorLuke Howard <lukeh@padl.com>2011-11-13 16:16:05 +1100
committerLuke Howard <lukeh@padl.com>2011-11-13 16:16:05 +1100
commit7ec93ff9e4d979e4bbcf33f9c90c94dc9d3cdba9 (patch)
treef10529f4e308bd082dcc348487d53bb50b3cbd87 /lib/radius/custom.c
parentceecc52da787a7a2e495d913cbaa7dbe1d7830fb (diff)
add new RADIUS client library
Diffstat (limited to 'lib/radius/custom.c')
-rw-r--r--lib/radius/custom.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/radius/custom.c b/lib/radius/custom.c
new file mode 100644
index 0000000..e33cf5a
--- /dev/null
+++ b/lib/radius/custom.c
@@ -0,0 +1,87 @@
+/*
+Copyright (c) 2011, Network RADIUS SARL
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of the <organization> nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file custom.c
+ * \brief Functions which should be customized for your local system.
+ */
+
+#include <networkradius-devel/client.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+ssize_t nr_rand_bytes(uint8_t *data, size_t data_len)
+{
+ static int fd = -1;
+
+ if (fd < 0) {
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd < 0) {
+ nr_strerror_printf("Error opening randomness: %s",
+ strerror(errno));
+ return 0;
+ }
+ }
+
+ return read(fd, data, data_len);
+}
+
+uint32_t nr_rand(void)
+{
+ uint32_t lvalue;
+
+ nr_rand_bytes((void *)&lvalue, sizeof(lvalue));
+ return lvalue;
+}
+
+
+#ifndef USEC
+#define USEC (1000000)
+#endif
+
+void nr_timeval_add(struct timeval *t, unsigned int seconds, unsigned int usec)
+{
+ t->tv_sec += seconds;
+ t->tv_sec += usec / USEC;
+ t->tv_usec += usec % USEC;
+ if (t->tv_usec > USEC) {
+ t->tv_sec++;
+ t->tv_usec -= USEC;
+ }
+}
+
+int nr_timeval_cmp(const struct timeval *a, const struct timeval *b)
+{
+ if (a->tv_sec > b->tv_sec) return +1;
+ if (a->tv_sec < b->tv_sec) return -1;
+
+ if (a->tv_usec > b->tv_usec) return +1;
+ if (a->tv_usec < b->tv_usec) return -1;
+
+ return 0;
+}
+