Ports: Remove dropbear patch that removed calls to seteuid()

This is no longer necessary now that seteuid() / setegid()
is implemented.

Ports/dropbear/patches/remove-seteuid-setegid.patch

@@ -1,96 +0,0 @@
-Dropbear temporarily drops privilliges to make sure the user has access
-to do various actions (e.g access its authorized_keys file).
-Serenity doesn't implement seteuid/setegid, so we can't drop privilliges and
-regain them this way (at least, not that I know it's possible).
---- a/svr-authpubkey.c.orig
-+++ b/svr-authpubkey.c
-@@ -347,25 +347,8 @@
- 	snprintf(filename, len + 22, "%s/.ssh/authorized_keys", 
- 				ses.authstate.pw_dir);
- 
--#if DROPBEAR_SVR_MULTIUSER
--	/* open the file as the authenticating user. */
--	origuid = getuid();
--	origgid = getgid();
--	if ((setegid(ses.authstate.pw_gid)) < 0 ||
--		(seteuid(ses.authstate.pw_uid)) < 0) {
--		dropbear_exit("Failed to set euid");
--	}
--#endif
--
- 	authfile = fopen(filename, "r");
- 
--#if DROPBEAR_SVR_MULTIUSER
--	if ((seteuid(origuid)) < 0 ||
--		(setegid(origgid)) < 0) {
--		dropbear_exit("Failed to revert euid");
--	}
--#endif
--
- 	if (authfile == NULL) {
- 		goto out;
- 	}
---- a/svr-agentfwd.c.orig
-+++ b/svr-agentfwd.c
-@@ -151,17 +151,6 @@
- 
- 	if (chansess->agentfile != NULL && chansess->agentdir != NULL) {
- 
--#if DROPBEAR_SVR_MULTIUSER
--		/* Remove the dir as the user. That way they can't cause problems except
--		 * for themselves */
--		uid = getuid();
--		gid = getgid();
--		if ((setegid(ses.authstate.pw_gid)) < 0 ||
--			(seteuid(ses.authstate.pw_uid)) < 0) {
--			dropbear_exit("Failed to set euid");
--		}
--#endif
--
- 		/* 2 for "/" and "\0" */
- 		len = strlen(chansess->agentdir) + strlen(chansess->agentfile) + 2;
- 
-@@ -172,13 +161,6 @@
- 
- 		rmdir(chansess->agentdir);
- 
--#if DROPBEAR_SVR_MULTIUSER
--		if ((seteuid(uid)) < 0 ||
--			(setegid(gid)) < 0) {
--			dropbear_exit("Failed to revert euid");
--		}
--#endif
--
- 		m_free(chansess->agentfile);
- 		m_free(chansess->agentdir);
- 	}
-@@ -220,16 +202,6 @@
- 	gid_t gid;
- 	int ret = DROPBEAR_FAILURE;
- 
--#if DROPBEAR_SVR_MULTIUSER
--	/* drop to user privs to make the dir/file */
--	uid = getuid();
--	gid = getgid();
--	if ((setegid(ses.authstate.pw_gid)) < 0 ||
--		(seteuid(ses.authstate.pw_uid)) < 0) {
--		dropbear_exit("Failed to set euid");
--	}
--#endif
--
- 	memset((void*)&addr, 0x0, sizeof(addr));
- 	addr.sun_family = AF_UNIX;
- 
-@@ -268,12 +240,6 @@
- 
- 
- out:
--#if DROPBEAR_SVR_MULTIUSER
--	if ((seteuid(uid)) < 0 ||
--		(setegid(gid)) < 0) {
--		dropbear_exit("Failed to revert euid");
--	}
--#endif
- 	return ret;
- }
-