add new RADIUS client library

1 files changed, 142 insertions, 0 deletions

diff --git a/lib/radius/parse.c b/lib/radius/parse.c
new file mode 100644
index 0000000..6b593a8
--- /dev/null
+++ b/lib/radius/parse.c
@@ -0,0 +1,142 @@
+/*
+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 parse.c
+ *  \brief Routines to parse strings into internal data structures
+ */
+
+#include <networkradius-devel/client.h>
+#include <arpa/inet.h>
+
+ssize_t nr_vp_sscanf_value(VALUE_PAIR *vp, const char *value)
+{
+	char *end;
+
+	switch (vp->da->type) {
+	case NR_TYPE_STRING:
+		strlcpy(vp->vp_strvalue, value, sizeof(vp->vp_strvalue));
+		vp->length = strlen(vp->vp_strvalue);
+		return vp->length;
+
+	case NR_TYPE_DATE:
+	case NR_TYPE_INTEGER:
+		vp->vp_integer = strtoul(value, &end, 10);
+		if ((value == end) || (*end != '\0')) {
+			nr_debug_error("Invalid value");
+			return -NR_ERR_ATTR_VALUE_MALFORMED;
+		}
+		return (end - value);
+
+	case NR_TYPE_IPADDR:
+		if (inet_pton(AF_INET, value, &vp->vp_ipaddr) < 0) {
+			return -NR_ERR_SYSTEM;
+		}
+		return strlen(value);
+		
+#ifdef NR_TYPE_IPV6ADDR
+	case NR_TYPE_IPV6ADDR:
+		if (inet_pton(AF_INET6, value, &vp-vp>ipv6addr) < 0) {
+			return -NR_ERR_SYSTEM;
+		}
+		return strlen(value);
+#endif
+
+#ifdef NR_TYPE_IFID
+	case NR_TYPE_IFID:
+	{
+		int i, array[8];
+
+		if (sscanf(value, "%02x%02x%02x%02x%02x%02x%02x%02x",
+			   &array[0], &array[1], &array[2], &array[3],
+			   &array[4], &array[5], &array[6], &array[7]) != 8) {
+			return -NR_ERR_SYSTEM;
+		}
+
+		for (i = 0; i < 8; i++) vp->vp_ifid[i] = array[i] & 0xff;
+
+	}
+		break;
+#endif
+
+	default:
+		nr_debug_error("Invalid type");
+		return -NR_ERR_ATTR_TYPE_UNKNOWN;
+	}
+
+	return 0;
+}
+
+int nr_vp_sscanf(const char *string, VALUE_PAIR **pvp)
+{
+	int rcode;
+	const char *p;
+	char *q;
+	const DICT_ATTR *da;
+	VALUE_PAIR *vp;
+	char buffer[256];
+
+	if (!string || !pvp) return -NR_ERR_INVALID_ARG;
+
+	p = string;
+	q = buffer;
+	while (*p && (*p != ' ') && (*p != '=')) {
+		*(q++) = *(p++);
+	}
+	*q = '\0';
+
+	if (q == buffer) {
+		nr_debug_error("No Attribute name");
+		return -NR_ERR_ATTR_BAD_NAME;
+	}
+
+	da = nr_dict_attr_byname(buffer);
+	if (!da) {
+		nr_debug_error("Unknown attribute \"%s\"", buffer);
+		return -NR_ERR_ATTR_UNKNOWN;
+	}
+
+	while (*p == ' ') p++;
+	if (*p != '=') {
+		nr_debug_error("Unexpected text after attribute name");
+		return -NR_ERR_ATTR_BAD_NAME;
+	}
+
+	p++;
+	while (*p == ' ') p++;
+
+	vp = nr_vp_alloc(da);
+	if (!vp) return -NR_ERR_NO_MEM;
+
+	rcode = nr_vp_sscanf_value(vp, p);
+	if (rcode < 0) {
+		nr_vp_free(&vp);
+		return rcode;
+	}
+
+	*pvp = vp;
+	return 0;
+}