Verify to/from crc/extension fields in index match values from header.

src/sbbs3/chksmb.c

@@ -133,7 +133,8 @@ int main(int argc, char **argv)
 				,acthdrblocks,actdatblocks
 				,dfieldlength,dfieldoffset
 				,dupenum,dupenumhdr,dupeoff,attr,actalloc
-				,datactalloc,misnumbered,timeerr,idxofferr,idxerr,subjcrc
+				,datactalloc,misnumbered,timeerr,idxofferr,idxerr
+				,subjcrc,fromcrc,tocrc
 				,zeronum,idxzeronum,idxnumerr,packable=0L,totallzhsaved=0L
 				,totalmsgs=0,totallzhmsgs=0,totaldelmsgs=0,totalmsgbytes=0L
 				,lzhblocks,lzhsaved;
@@ -257,7 +258,7 @@ int main(int argc, char **argv)
 	}
 
 	headers=deleted=orphan=dupenumhdr=attr=zeronum=timeerr=lockerr=hdrerr=0;
-	subjcrc=0;
+	subjcrc=fromcrc=tocrc=0;
 	hdrnumerr=hdrlenerr=0;
 	actalloc=datactalloc=deldatblocks=delhdrblocks=xlaterr=0;
 	lzhblocks=lzhsaved=acthdrblocks=actdatblocks=0;
@@ -427,6 +428,46 @@ int main(int argc, char **argv)
 						,smb_subject_crc(msg.subj),msg.idx.subj);
 				subjcrc++; 
 			}
+			else if(smb.status.attr&SMB_EMAIL 
+				&& msg.from_ext && msg.idx.from!=atoi(msg.from_ext)) {
+				fprintf(stderr,"%sFrom extension mismatch index\n",beep);
+				msgerr=TRUE;
+				if(extinfo)
+					printf("MSGERR: From extension (%s) does not match index "
+						"(%u)\n"
+						,msg.from_ext,msg.idx.from);
+				fromcrc++; 
+			}
+			else if(!(smb.status.attr&SMB_EMAIL) 
+				&& msg.idx.from!=smb_name_crc(msg.from)) {
+				fprintf(stderr,"%sFrom CRC mismatch index\n",beep);
+				msgerr=TRUE;
+				if(extinfo)
+					printf("MSGERR: From (%04X) does not match index "
+						"CRC (%04X)\n"
+						,smb_name_crc(msg.from),msg.idx.from);
+				fromcrc++; 
+			}
+			else if(smb.status.attr&SMB_EMAIL 
+				&& msg.to_ext && msg.idx.from!=atoi(msg.to_ext)) {
+				fprintf(stderr,"%sTo extension mismatch index\n",beep);
+				msgerr=TRUE;
+				if(extinfo)
+					printf("MSGERR: To extension (%s) does not match index "
+						"(%u)\n"
+						,msg.to_ext,msg.idx.to);
+				tocrc++; 
+			}
+			else if(!(smb.status.attr&SMB_EMAIL) 
+				&& msg.to_ext==NULL && msg.idx.to!=smb_name_crc(msg.to)) {
+				fprintf(stderr,"%sTo CRC mismatch index\n",beep);
+				msgerr=TRUE;
+				if(extinfo)
+					printf("MSGERR: To (%04X) does not match index "
+						"CRC (%04X)\n"
+						,smb_name_crc(msg.to),msg.idx.to);
+				tocrc++; 
+			}
 			if(msg.hdr.number==0) {
 				fprintf(stderr,"%sZero message number\n",beep);
 				msgerr=TRUE;
@@ -781,6 +822,14 @@ int main(int argc, char **argv)
 		printf("%-35.35s (!): %lu\n"
 			,"Mismatched Subject CRCs"
 			,subjcrc);
+	if(fromcrc)
+		printf("%-35.35s (!): %lu\n"
+			,smb.status.attr&SMB_EMAIL ? "Mismatched From Extensions" : "Mismatched From CRCs"
+			,fromcrc);
+	if(tocrc)
+		printf("%-35.35s (!): %lu\n"
+			,smb.status.attr&SMB_EMAIL ? "Mismatched To Extensions" : "Mismatched To CRCs"
+			,tocrc);
 	if(getbodyerr)
 		printf("%-35.35s (!): %lu\n"
 			,"Message Body Text Read Failures"
@@ -832,7 +881,8 @@ int main(int argc, char **argv)
 		|| getbodyerr || gettailerr
 		|| orphan || dupenumhdr || dupenum || dupeoff || attr
 		|| lockerr || hdrerr || hdrnumerr || idxnumerr || idxofferr
-		|| actalloc || datactalloc || misnumbered || timeerr || subjcrc
+		|| actalloc || datactalloc || misnumbered || timeerr 
+		|| subjcrc || fromcrc || tocrc
 		|| dfieldoffset || dfieldlength || xlaterr || idxerr) {
 		printf("%shas Errors!\n",beep);
 		errors++;