X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Frp-pppoe%2Fpppoe.h;fp=pppd%2Fplugins%2Frp-pppoe%2Fpppoe.h;h=b4b309fbeb04ed2c36cd08bf7aa8d0eeed95cb5c;hp=20318cb44a76ded0b9b394c245624cae5d460e76;hb=c9d9dbfb8459b528ab56bd1cf0c41460801bbfdf;hpb=44012ae879e809ad1f75e6c69712619cefaa4add

diff --git a/pppd/plugins/rp-pppoe/pppoe.h b/pppd/plugins/rp-pppoe/pppoe.h
index 20318cb..b4b309f 100644
--- a/pppd/plugins/rp-pppoe/pppoe.h
+++ b/pppd/plugins/rp-pppoe/pppoe.h
@@ -17,6 +17,8 @@
 
 #include <stdio.h>		/* For FILE */
 #include <sys/types.h>		/* For pid_t */
+#include <ctype.h>
+#include <string.h>
 
 #include "pppd/pppd.h"		/* For error */
 
@@ -234,7 +236,7 @@ typedef struct PPPoEConnectionStruct {
     char *serviceName;		/* Desired service name, if any */
     char *acName;		/* Desired AC name, if any */
     int synchronous;		/* Use synchronous PPP */
-    int useHostUniq;		/* Use Host-Uniq tag */
+    PPPoETag hostUniq;		/* Use Host-Uniq tag */
     int printACNames;		/* Just print AC names */
     FILE *debugFile;		/* Debug file for dumping packets */
     int numPADOs;		/* Number of PADO packets received */
@@ -291,6 +293,32 @@ void pppoe_printpkt(PPPoEPacket *packet,
 		    void (*printer)(void *, char *, ...), void *arg);
 void pppoe_log_packet(const char *prefix, PPPoEPacket *packet);
 
+static inline int parseHostUniq(const char *uniq, PPPoETag *tag)
+{
+    unsigned i, len = strlen(uniq);
+
+#define hex(x) \
+    (((x) <= '9') ? ((x) - '0') : \
+        (((x) <= 'F') ? ((x) - 'A' + 10) : \
+            ((x) - 'a' + 10)))
+
+    if (!len || len % 2 || len / 2 > sizeof(tag->payload))
+        return 0;
+
+    for (i = 0; i < len; i += 2) {
+        if (!isxdigit(uniq[i]) || !isxdigit(uniq[i+1]))
+            return 0;
+
+        tag->payload[i / 2] = (char)(hex(uniq[i]) << 4 | hex(uniq[i+1]));
+    }
+
+#undef hex
+
+    tag->type = htons(TAG_HOST_UNIQ);
+    tag->length = htons(len / 2);
+    return 1;
+}
+
 #define SET_STRING(var, val) do { if (var) free(var); var = strDup(val); } while(0);
 
 #define CHECK_ROOM(cursor, start, len) \