fixed buffer issues

member.c

@@ -132,7 +132,7 @@ int member_join(char *buffer) {
         case APPEND:
             if (0 == strncasecmp("JOINSTART", buffer, 9)) {
                 printf("ISSUER > MEMBER: %s\n", buffer);
-                member_joinappend(&buffer[10]);
+                member_joinappend(buffer);
                 member.state = JOINPROCEED;
             } else {
                 printf("member_join: did not get nonce from issuer\n");
@@ -143,7 +143,7 @@ int member_join(char *buffer) {
         case JOINPROCEED:
             if (0 == strncasecmp("JOINPROCEED", buffer, 11)) {
                 printf("ISSUER > MEMBER: %s\n", buffer);
-                member_joinfinish(&buffer[12]);
+                member_joinfinish(buffer);
                 member.state = JOINED;
                 ret = 1;
             } else {
@@ -210,7 +210,7 @@ int member_verifymsg(char *buffer) {
 
 //"JOINSTART <issuer.nonce>" > "APPEND <member.mpk>"
 int member_joinappend(char *buffer) {
-    char *current = buffer;
+    char *current = &buffer[10];
     uint8_t binbuf[MAX_BUFSIZE];
     int bytes = ecdaa_decode(current, member.nonce, NONCE_SIZE);
     ecdaa_write_buffer_to_file(member_nonce_file, member.nonce, NONCE_SIZE);
@@ -232,7 +232,7 @@ int member_joinappend(char *buffer) {
 
 //"JOINPROCEED <member.cred><member.cred_sig>" > ""
 int member_joinfinish(char *buffer) {
-    char *current = buffer;
+    char *current = &buffer[12];
     uint8_t *bincur;
     uint8_t binbuf[MAX_BUFSIZE];
     int ret = 0;