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dropbear: don't check for "multiple usernames" 

Issue described here https://www.reddit.com/r/termux/comments/jqbg2g/termux_dropbear_ssh_server_not_working/

However I was not able to reproduce it.
This commit is contained in:
Leonid Pliushch 2020-11-09 15:01:53 +02:00
parent 397762b4ea
commit 253c1f0896
2 changed files with 22 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
packages/dropbear/build.sh
View File

@ -2,6 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://matt.ucc.asn.au/dropbear/dropbear.html
TERMUX_PKG_DESCRIPTION="Small SSH server and client"
TERMUX_PKG_LICENSE="BSD"
TERMUX_PKG_VERSION=2020.81
TERMUX_PKG_REVISION=1
TERMUX_PKG_SRCURL=https://matt.ucc.asn.au/dropbear/releases/dropbear-${TERMUX_PKG_VERSION}.tar.bz2
TERMUX_PKG_SHA256=48235d10b37775dbda59341ac0c4b239b82ad6318c31568b985730c788aac53b
TERMUX_PKG_DEPENDS="termux-auth, zlib"

29
packages/dropbear/svr-auth.c.patch
View File

@ -1,7 +1,7 @@
diff -uNr dropbear-2018.76/svr-auth.c dropbear-2018.76.mod/svr-auth.c
--- dropbear-2018.76/svr-auth.c 2018-02-27 16:25:12.000000000 +0200
+++ dropbear-2018.76.mod/svr-auth.c 2018-04-21 13:48:35.083741369 +0300
@@ -93,6 +93,9 @@
diff -uNr dropbear-2020.81/svr-auth.c dropbear-2020.81.mod/svr-auth.c
--- dropbear-2020.81/svr-auth.c 2020-10-29 15:35:50.000000000 +0200
+++ dropbear-2020.81.mod/svr-auth.c 2020-11-09 15:01:06.349994299 +0200
@@ -96,6 +96,9 @@
}
username = buf_getstring(ses.payload, &userlen);
@ -11,7 +11,7 @@ diff -uNr dropbear-2018.76/svr-auth.c dropbear-2018.76.mod/svr-auth.c
servicename = buf_getstring(ses.payload, &servicelen);
methodname = buf_getstring(ses.payload, &methodlen);
@@ -102,7 +105,6 @@
@@ -105,7 +108,6 @@
SSH_SERVICE_CONNECTION_LEN) != 0)) {
/* TODO - disconnect here */
@ -19,7 +19,7 @@ diff -uNr dropbear-2018.76/svr-auth.c dropbear-2018.76.mod/svr-auth.c
m_free(servicename);
m_free(methodname);
dropbear_exit("unknown service in auth");
@@ -192,7 +194,6 @@
@@ -186,7 +188,6 @@
out:
@ -27,7 +27,20 @@ diff -uNr dropbear-2018.76/svr-auth.c dropbear-2018.76.mod/svr-auth.c
m_free(servicename);
m_free(methodname);
}
@@ -320,9 +321,10 @@
@@ -249,10 +250,12 @@
fill_passwd(username);
ses.authstate.username = m_strdup(username);
} else {
+#ifndef __ANDROID__
/* check username hasn't changed */
if (strcmp(username, ses.authstate.username) != 0) {
dropbear_exit("Client trying multiple usernames");
}
+#endif
}
/* avoids cluttering logs with repeated failure messages from
@@ -310,9 +313,10 @@
usershell = ses.authstate.pw_shell;
if (usershell[0] == '\0') {
/* empty shell in /etc/passwd means /bin/sh according to passwd(5) */
@ -39,7 +52,7 @@ diff -uNr dropbear-2018.76/svr-auth.c dropbear-2018.76.mod/svr-auth.c
/* check the shell is valid. If /etc/shells doesn't exist, getusershell()
* should return some standard shells like "/bin/sh" and "/bin/csh" (this
* is platform-specific) */
@@ -343,7 +345,7 @@
@@ -333,7 +337,7 @@
return DROPBEAR_FAILURE;
goodshell: