use file names for attachments

src/cmd/acme/mail/mesg.c

@@ -161,6 +161,9 @@ loadinfo(Message *m, char *dir)
 		}else if(strcmp(s, "digest") == 0){
 			free(m->digest);
 			m->digest = estrdup(t);
+		}else if(strcmp(s, "filename") == 0){
+			free(m->filename);
+			m->filename = estrdup(t);
 		}
 		free(s);
 	}

src/cmd/upas/nfs/box.h

@@ -93,6 +93,7 @@ struct Part
 	char*	desc;
 	char*	encoding;
 	char*	charset;
+	char*	filename;
 	char*	raw;
 	char*	rawheader;
 	char*	rawbody;

src/cmd/upas/nfs/fs.c

@@ -604,9 +604,8 @@ filedata(int type, Box *box, Msg *msg, Part *part, char **pp, int *len, int *fre
 			fmtprint(&fmt, "type %s\n", part->type);
 		if(part->lines)
 			fmtprint(&fmt, "lines %d\n", part->lines);
-	/*	fmtprint(&fmt, "disposition %s\", ""); */
+		if(part->filename)
-	/*	fmtprint(&fmt, "filename %s\n", ""); */
+			fmtprint(&fmt, "filename %s\n", part->filename);
-	/*	fmtprint(&fmt, "digest %s\n", ""); */
 		s = fmtstrflush(&fmt);
 		if(s == nil)
 			s = estrdup("");

src/cmd/upas/nfs/imap.c

@@ -1458,7 +1458,8 @@ static struct {
 	char *name;
 	int offset;
 } paramtab[] = {
-	"charset",	offsetof(Part, charset)
+	"charset",	offsetof(Part, charset),
+	"name",		offsetof(Part, filename)
 };
 
 static void