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Subject: Fix TLS 1.3 handshake
From: Jeff King <peff@peff.net>
Bug-Debian: https://bugs.debian.org/932605
Last-Update: 2019-08-13
diff --git a/ssmtp.c b/ssmtp.c
index 7ab79ab..6b2b9d0 100644
--- a/ssmtp.c
+++ b/ssmtp.c
@@ -1291,8 +1291,12 @@ fd_getc() -- Read a character from an fd
ssize_t fd_getc(int fd, void *c)
{
#ifdef HAVE_SSL
- if(use_tls == True) {
- return(SSL_read(ssl, c, 1));
+ if(use_tls == True) {
+ int attempt = 3;
+ int ret = 0;
+ while (attempt-- > 0 && ret == 0)
+ ret = SSL_read(ssl, c, 1);
+ return ret;
}
#endif
return(read(fd, c, 1));
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