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libplumb, Mail: fix crash on nil plumb fids

Browse source 
http://codereview.appspot.com/116083
This commit is contained in:
Mathieu Lonjaret 2009-09-12 15:25:51 -04:00
parent 0cadb4301d
commit 7b5db1c35a
2 changed files with 10 additions and 3 deletions
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9
src/cmd/acme/mail/mail.c
View file

@ -84,9 +84,12 @@ threadmain(int argc, char *argv[])
quotefmtinstall(); quotefmtinstall();
/* open these early so we won't miss notification of new mail messages while we read mbox */ /* open these early so we won't miss notification of new mail messages while we read mbox */
plumbsendfd = plumbopenfid("send", OWRITE|OCEXEC); if((plumbsendfd = plumbopenfid("send", OWRITE|OCEXEC)) == nil)
plumbseemailfd = plumbopenfid("seemail", OREAD|OCEXEC); fprint(2, "warning: open plumb/send: %r\n");
plumbshowmailfd = plumbopenfid("showmail", OREAD|OCEXEC); if((plumbseemailfd = plumbopenfid("seemail", OREAD|OCEXEC)) == nil)
fprint(2, "warning: open plumb/seemail: %r\n");
if((plumbshowmailfd = plumbopenfid("showmail", OREAD|OCEXEC)) == nil)
fprint(2, "warning: open plumb/showmail: %r\n");
shortmenu = 0; shortmenu = 0;
srvname = "mail"; srvname = "mail";

4
src/libplumb/fid.c
View file

@ -138,6 +138,10 @@ plumbrecvfid(CFid *fid)
Plumbmsg *m; Plumbmsg *m;
int n, more; int n, more;
if(fid == nil){
werrstr("invalid fid");
return nil;
}
buf = malloc(8192); buf = malloc(8192);
if(buf == nil) if(buf == nil)
return nil; return nil;