Date: Tue, 12 May 2020 17:07:28 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-releng@freebsd.org Subject: svn commit: r360981 - releng/11.4/usr.sbin/bhyve Message-ID: <202005121707.04CH7S3h070427@repo.freebsd.org>
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Author: jhb Date: Tue May 12 17:07:28 2020 New Revision: 360981 URL: https://svnweb.freebsd.org/changeset/base/360981 Log: MF11 360965: Use stream_read() to read all 12 bytes of the RFB client version. read() can return a short read, whereas stream_read() waits until the full version string is read. Approved by: re (gjb) Modified: releng/11.4/usr.sbin/bhyve/rfb.c Directory Properties: releng/11.4/ (props changed) Modified: releng/11.4/usr.sbin/bhyve/rfb.c ============================================================================== --- releng/11.4/usr.sbin/bhyve/rfb.c Tue May 12 17:05:55 2020 (r360980) +++ releng/11.4/usr.sbin/bhyve/rfb.c Tue May 12 17:07:28 2020 (r360981) @@ -72,6 +72,7 @@ static int rfb_debug = 0; #define DPRINTF(params) if (rfb_debug) printf params #define WPRINTF(params) printf params +#define VERSION_LENGTH 12 #define AUTH_LENGTH 16 #define PASSWD_LENGTH 8 @@ -765,7 +766,7 @@ rfb_handle(struct rfb_softc *rc, int cfd) stream_write(cfd, vbuf, strlen(vbuf)); /* 1b. Read client version */ - len = read(cfd, buf, sizeof(buf)); + len = stream_read(cfd, buf, VERSION_LENGTH); /* 2a. Send security type */ buf[0] = 1;
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