1 files changed, 97 insertions, 0 deletions
diff --git a/net-dialup/ppp/files/ppp-2.5.0-passwordfd-read-early.patch b/net-dialup/ppp/files/ppp-2.5.0-passwordfd-read-early.patch
new file mode 100644
index 000000000000..f61e8227efe2
--- /dev/null
+++ b/net-dialup/ppp/files/ppp-2.5.0-passwordfd-read-early.patch
@@ -0,0 +1,97 @@
+From a198cd83dfba6a738a4df80abd2675b4e8ee193c Mon Sep 17 00:00:00 2001
+From: Mike Frysinger <vapier@gentoo.org>
+Date: Fri, 3 Jan 2020 17:19:09 +0100
+Subject: [PATCH] passwordfd: read early
+
+---
+ pppd/plugins/passwordfd.c | 54 ++++++++++++++++++---------------------
+ 1 file changed, 25 insertions(+), 29 deletions(-)
+
+diff --git a/pppd/plugins/passwordfd.c b/pppd/plugins/passwordfd.c
+index c1f782e..13aec56 100644
+--- a/pppd/plugins/passwordfd.c
++++ b/pppd/plugins/passwordfd.c
+@@ -24,11 +24,11 @@
+ 
+ char pppd_version[] = PPPD_VERSION;
+ 
+-static int passwdfd = -1;
+ static char save_passwd[MAXSECRETLEN];
+ 
++static int readpassword (char **);
+ static struct option options[] = {
+-    { "passwordfd", o_int, &passwdfd,
++    { "passwordfd", o_special, (void *)readpassword,
+       "Receive password on this file descriptor" },
+     { NULL }
+ };
+@@ -38,43 +38,39 @@ static int pwfd_check (void)
+     return 1;
+ }
+ 
+-static int pwfd_passwd (char *user, char *passwd)
++static int readpassword(char **argv)
+ {
+-    int readgood, red;
+-
+-    if (passwdfd == -1)
+-	return -1;
++    char *arg = *argv;
++    int passwdfd = -1;
++    int chunk, len;
+ 
+-    if (passwd == NULL)
+-	return 1;
+-
+-    if (passwdfd == -2) {
+-	strcpy (passwd, save_passwd);
+-	return 1;
++    if (sscanf(arg, "%d", &passwdfd) != 1 || passwdfd < 0)
++    {
++	error ("\"%s\" is not a valid file descriptor number", arg);
++	return 0;
+     }
+ 
+-    readgood = 0;
++    len = 0;
+     do {
+-	red = read (passwdfd, passwd + readgood, MAXSECRETLEN - 1 - readgood);
+-	if (red == 0)
+-	    break;
+-	if (red < 0) {
+-	    error ("Can't read secret from fd\n");
+-	    readgood = -1;
++	chunk = read (passwdfd, save_passwd + len, MAXSECRETLEN - 1 - len);
++	if (chunk == 0)
+ 	    break;
++	if (chunk < 0) {
++	    error ("Can't read secret from fd %d", passwdfd);
++	    return 0;
+ 	}
+-	readgood += red;
+-    } while (readgood < MAXSECRETLEN - 1);
+-
++	len += chunk;
++    } while (len < MAXSECRETLEN - 1);
++    save_passwd[len] = 0;
+     close (passwdfd);
+ 
+-    if (readgood < 0)
+-	return 0;
+-
+-    passwd[readgood] = 0;
+-    strcpy (save_passwd, passwd);
+-    passwdfd = -2;
++    return 1;
++}
+ 
++static int pwfd_passwd (char *user, char *passwd)
++{
++    if (passwd != NULL)
++	strcpy (passwd, save_passwd);
+     return 1;
+ }
+ 
+-- 
+2.40.0
+