Mercurial > dropbear

changeset 1060:4c733310c21d nocircbuffer

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reword comment for clarity
author Matt Johnston <matt@ucc.asn.au>
date Sun, 01 Mar 2015 23:26:42 +0800
parents 703c7cdd2577
children a64ef3c2b371
files common-session.c
diffstat 1 files changed, 4 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/common-session.c	Sun Mar 01 23:02:06 2015 +0800
+++ b/common-session.c	Sun Mar 01 23:26:42 2015 +0800
@@ -152,8 +152,10 @@
 		FD_ZERO(&readfd);
 		dropbear_assert(ses.payload == NULL);
 
-		/* during initial setup we flush out the KEXINIT packet before
-		 * attempting to read the remote version string, which might block */
+		/* We delay reading from the input socket during initial setup until
+		after we have written out our initial KEXINIT packet (empty writequeue). 
+		This means our initial packet can be in-flight while we're doing a blocking
+		read for the remote ident */
 		if (ses.sock_in != -1 && (ses.remoteident || isempty(&ses.writequeue))) {
 			FD_SET(ses.sock_in, &readfd);
 		}