Use _PATH_DEV consistently

configure

@@ -6679,11 +6679,13 @@ if test "${enable_devsearch+set}" = set; then :
 $as_echo "$as_me: WARNING: Ignoring attempt to disable the device search path" >&2;}
 		;;
     *)		devsearch="$enableval"
+		;;
 esac
 fi
 
+ds="`echo \"$devsearch\"|sed 's@/dev/*\([^:]*:*\)@_PATH_DEV \"\1\" @g'`"
 cat >>confdefs.h <<EOF
-#define _PATH_SUDO_DEVSEARCH "$devsearch"
+#define _PATH_SUDO_DEVSEARCH $ds
 EOF
 
 

configure.ac

@@ -1541,8 +1541,10 @@ AC_ARG_ENABLE(devsearch,
     no)		AC_MSG_WARN([Ignoring attempt to disable the device search path])
 		;;
     *)		devsearch="$enableval"
+		;;
 esac])
-SUDO_DEFINE_UNQUOTED(_PATH_SUDO_DEVSEARCH, "$devsearch")
+ds="`echo \"$devsearch\"|sed 's@/dev/*\([[^:]]*:*\)@_PATH_DEV \"\1\" @g'`"
+SUDO_DEFINE_UNQUOTED(_PATH_SUDO_DEVSEARCH, $ds)
 
 AC_ARG_WITH(selinux, [AS_HELP_STRING([--with-selinux], [enable SELinux support])],
 [case $with_selinux in

lib/util/closefrom.c

@@ -103,7 +103,7 @@ sudo_closefrom(int lowfd)
 
     /* Use /proc/self/fd (or /dev/fd on FreeBSD) if it exists. */
 # if defined(__FreeBSD__) || defined(__APPLE__)
-    path = "/dev/fd";
+    path = _PATH_DEV "fd";
 # else
     path = "/proc/self/fd";
 # endif

lib/util/mktemp.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2003, 2004, 2008-2011, 2013, 2015
+ * Copyright (c) 2001, 2003, 2004, 2008-2011, 2013, 2015, 2017
  *	Todd C. Miller <Todd.Miller@courtesan.com>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -43,6 +43,7 @@
 #endif
 
 #include "sudo_compat.h"
+#include "pathnames.h"
 
 #define MKTEMP_FILE	1
 #define MKTEMP_DIR	2
@@ -83,7 +84,7 @@ seed_random(void)
 	/*
 	 * Seed from /dev/urandom if possible.
 	 */
-	fd = open("/dev/urandom", O_RDONLY);
+	fd = open(_PATH_DEV "urandom", O_RDONLY);
 	if (fd != -1) {
 	    ssize_t nread;
 

pathnames.h.in

@@ -36,11 +36,11 @@
 #endif /* _PATH_DEV */
 
 #ifndef _PATH_TTY
-# define _PATH_TTY		"/dev/tty"
+# define _PATH_TTY		_PATH_DEV "tty"
 #endif /* _PATH_TTY */
 
 #ifndef _PATH_DEVNULL
-# define _PATH_DEVNULL		"/dev/null"
+# define _PATH_DEVNULL		_PATH_DEV "null"
 #endif /* _PATH_DEVNULL */
 
 #ifndef _PATH_DEFPATH

src/exec_pty.c

@@ -145,8 +145,9 @@ pty_setup(uid_t uid, const char *tty)
 	if (utmp_user != NULL)
 	    utmp_login(tty, slavename, io_fds[SFD_SLAVE], utmp_user);
 	sudo_debug_printf(SUDO_DEBUG_INFO,
-	    "%s: /dev/tty fd %d, pty master fd %d, pty slave fd %d", __func__,
+	    "%s: %s fd %d, pty master fd %d, pty slave fd %d",
-	    io_fds[SFD_USERTTY], io_fds[SFD_MASTER], io_fds[SFD_SLAVE]);
+	    __func__, _PATH_TTY, io_fds[SFD_USERTTY], io_fds[SFD_MASTER],
+	    io_fds[SFD_SLAVE]);
     }
 
     debug_return;
@@ -1581,7 +1582,7 @@ safe_close(int fd)
     /* Avoid closing /dev/tty or std{in,out,err}. */
     if (fd < 3 || fd == io_fds[SFD_USERTTY]) {
 	sudo_debug_printf(SUDO_DEBUG_INFO,
-	    "%s: not closing fd %d (/dev/tty)", __func__, fd);
+	    "%s: not closing fd %d (%s)", __func__, fd, _PATH_TTY);
 	errno = EINVAL;
 	debug_return_int(-1);
     }

src/get_pty.c

@@ -99,9 +99,9 @@ posix_openpt(int oflag)
     int fd;
 
 #  ifdef _AIX
-    fd = open("/dev/ptc", oflag);
+    fd = open(_PATH_DEV "ptc", oflag);
 #  else
-    fd = open("/dev/ptmx", oflag);
+    fd = open(_PATH_DEV "ptmx", oflag);
 #  endif
     return fd;
 }
@@ -145,7 +145,7 @@ done:
 
 #else /* Old-style BSD ptys */
 
-static char line[] = "/dev/ptyXX";
+static char line[] = _PATH_DEV "ptyXX";
 
 bool
 get_pty(int *master, int *slave, char *name, size_t namesz, uid_t ttyuid)
@@ -160,16 +160,16 @@ get_pty(int *master, int *slave, char *name, size_t namesz, uid_t ttyuid)
 	ttygid = gr->gr_gid;
 
     for (bank = "pqrs"; *bank != '\0'; bank++) {
-	line[sizeof("/dev/ptyX") - 2] = *bank;
+	line[sizeof(_PATH_DEV "ptyX") - 2] = *bank;
 	for (cp = "0123456789abcdef"; *cp != '\0'; cp++) {
-	    line[sizeof("/dev/ptyXX") - 2] = *cp;
+	    line[sizeof(_PATH_DEV "ptyXX") - 2] = *cp;
 	    *master = open(line, O_RDWR|O_NOCTTY, 0);
 	    if (*master == -1) {
 		if (errno == ENOENT)
 		    goto done; /* out of ptys */
 		continue; /* already in use */
 	    }
-	    line[sizeof("/dev/p") - 2] = 't';
+	    line[sizeof(_PATH_DEV "p") - 2] = 't';
 	    (void) chown(line, ttyuid, ttygid);
 	    (void) chmod(line, S_IRUSR|S_IWUSR|S_IWGRP);
 # ifdef HAVE_REVOKE

src/ttyname.c

@@ -142,9 +142,9 @@ sudo_ttyname_dev(dev_t tdev, char *name, size_t namelen)
  * Device nodes to ignore.
  */
 static const char *ignore_devs[] = {
-    "/dev/stdin",
+    _PATH_DEV "stdin",
-    "/dev/stdout",
+    _PATH_DEV "stdout",
-    "/dev/stderr",
+    _PATH_DEV "stderr",
     NULL
 };
 
@@ -305,7 +305,7 @@ sudo_ttyname_dev(dev_t rdev, char *buf, size_t buflen)
     /*
      * First, check /dev/console.
      */
-    ret = sudo_dev_check(rdev, "/dev/console", buf, buflen);
+    ret = sudo_dev_check(rdev, _PATH_DEV "console", buf, buflen);
     if (ret != NULL)
 	goto done;
 
@@ -326,14 +326,14 @@ sudo_ttyname_dev(dev_t rdev, char *buf, size_t buflen)
 	memcpy(path, cp, len);
 	path[len] = '\0';
 
-	if (strcmp(path, "/dev/pts") == 0) {
+	if (strcmp(path, _PATH_DEV "pts") == 0) {
 	    /* Special case /dev/pts */
-	    len = (size_t)snprintf(path, sizeof(path), "/dev/pts/%u",
+	    len = (size_t)snprintf(path, sizeof(path), "%spts/%u",
-		(unsigned int)minor(rdev));
+		_PATH_DEV, (unsigned int)minor(rdev));
 	    if (len >= sizeof(path)) {
 		sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
-		    "devsearch entry /dev/pts/%u too long",
+		    "devsearch entry %spts/%u too long",
-		    (unsigned int)minor(rdev));
+		    _PATH_DEV, (unsigned int)minor(rdev));
 		continue;
 	    }
 	    ret = sudo_dev_check(rdev, path, buf, buflen);