diff options
Diffstat (limited to 'recipes-graphics/wayland/weston/0001-weston-launch-Provide-a-default-version-that-doesn-t.patch')
| -rw-r--r-- | recipes-graphics/wayland/weston/0001-weston-launch-Provide-a-default-version-that-doesn-t.patch | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/recipes-graphics/wayland/weston/0001-weston-launch-Provide-a-default-version-that-doesn-t.patch b/recipes-graphics/wayland/weston/0001-weston-launch-Provide-a-default-version-that-doesn-t.patch new file mode 100644 index 0000000..cbb1c32 --- /dev/null +++ b/recipes-graphics/wayland/weston/0001-weston-launch-Provide-a-default-version-that-doesn-t.patch @@ -0,0 +1,173 @@ +From d5fb8567868866665502106def90017243a968a8 Mon Sep 17 00:00:00 2001 +From: Tom Hochstein <tom.hochstein@nxp.com> +Date: Wed, 22 Feb 2017 15:53:30 +0200 +Subject: [PATCH] weston-launch: Provide a default version that doesn't require + PAM + +weston-launch requires PAM for starting weston as a non-root user. + +Since starting weston as root is a valid use case by itself, if +PAM is not available, provide a default version of weston-launch +without non-root-user support. + +Upstream-Status: Pending + +Signed-off-by: Tom Hochstein <tom.hochstein@nxp.com> +Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com> + +--- + configure.ac | 9 +++++++-- + libweston/weston-launch.c | 20 ++++++++++++++++++++ + 2 files changed, 27 insertions(+), 2 deletions(-) + +diff --git a/configure.ac b/configure.ac +index 8f6b80d..603fcb3 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -494,13 +494,17 @@ AC_ARG_ENABLE(resize-optimization, + AS_IF([test "x$enable_resize_optimization" = "xyes"], + [AC_DEFINE([USE_RESIZE_POOL], [1], [Use resize memory pool as a performance optimization])]) + ++AC_ARG_WITH(pam, ++ AS_HELP_STRING([--with-pam], [Use PAM]), ++ [use_pam=$withval], [use_pam=yes]) + AC_ARG_ENABLE(weston-launch, [ --enable-weston-launch],, enable_weston_launch=yes) + AM_CONDITIONAL(BUILD_WESTON_LAUNCH, test x$enable_weston_launch = xyes) +-if test x$enable_weston_launch = xyes; then ++if test x$enable_weston_launch = xyes -a x$use_pam = xyes; then + WESTON_SEARCH_LIBS([PAM], [pam], [pam_open_session], [have_pam=yes], [have_pam=no]) + if test x$have_pam = xno; then +- AC_ERROR([weston-launch requires pam]) ++ AC_ERROR([PAM support is explicitly requested, but libpam couldn't be found]) + fi ++ AC_DEFINE([HAVE_PAM], [1], [Define if PAM is available]) + fi + + AM_CONDITIONAL(HAVE_PANGO, test "x$have_pango" = "xyes") +@@ -748,6 +752,7 @@ AC_MSG_RESULT([ + Enable developer documentation ${enable_devdocs} + + weston-launch utility ${enable_weston_launch} ++ PAM support ${use_pam} + systemd-login support ${have_systemd_login} + systemd notify support ${enable_systemd_notify} + +diff --git a/libweston/weston-launch.c b/libweston/weston-launch.c +index 9064439..c6abe92 100644 +--- a/libweston/weston-launch.c ++++ b/libweston/weston-launch.c +@@ -51,7 +51,9 @@ + + #include <pwd.h> + #include <grp.h> ++#ifdef HAVE_PAM + #include <security/pam_appl.h> ++#endif + + #ifdef HAVE_SYSTEMD_LOGIN + #include <systemd/sd-login.h> +@@ -101,8 +103,10 @@ drmSetMaster(int drm_fd) + #endif + + struct weston_launch { ++#ifdef HAVE_PAM + struct pam_conv pc; + pam_handle_t *ph; ++#endif + int tty; + int ttynr; + int sock[2]; +@@ -191,6 +195,7 @@ weston_launch_allowed(struct weston_launch *wl) + return false; + } + ++#ifdef HAVE_PAM + static int + pam_conversation_fn(int msg_count, + const struct pam_message **messages, +@@ -231,6 +236,7 @@ setup_pam(struct weston_launch *wl) + + return 0; + } ++#endif + + static int + setup_launcher_socket(struct weston_launch *wl) +@@ -424,6 +430,7 @@ quit(struct weston_launch *wl, int status) + close(wl->signalfd); + close(wl->sock[0]); + ++#ifdef HAVE_PAM + if (wl->new_user) { + err = pam_close_session(wl->ph, 0); + if (err) +@@ -431,6 +438,7 @@ quit(struct weston_launch *wl, int status) + err, pam_strerror(wl->ph, err)); + pam_end(wl->ph, err); + } ++#endif + + if (ioctl(wl->tty, KDSKBMUTE, 0) && + ioctl(wl->tty, KDSKBMODE, wl->kb_mode)) +@@ -610,6 +618,7 @@ setup_session(struct weston_launch *wl, char **child_argv) + setenv("HOME", wl->pw->pw_dir, 1); + setenv("SHELL", wl->pw->pw_shell, 1); + ++#ifdef HAVE_PAM + env = pam_getenvlist(wl->ph); + if (env) { + for (i = 0; env[i]; ++i) { +@@ -618,6 +627,7 @@ setup_session(struct weston_launch *wl, char **child_argv) + } + free(env); + } ++#endif + + /* + * We open a new session, so it makes sense +@@ -685,8 +695,10 @@ static void + help(const char *name) + { + fprintf(stderr, "Usage: %s [args...] [-- [weston args..]]\n", name); ++#ifdef HAVE_PAM + fprintf(stderr, " -u, --user Start session as specified username,\n" + " e.g. -u joe, requires root.\n"); ++#endif + fprintf(stderr, " -t, --tty Start session on alternative tty,\n" + " e.g. -t /dev/tty4, requires -u option.\n"); + fprintf(stderr, " -v, --verbose Be verbose\n"); +@@ -700,7 +712,9 @@ main(int argc, char *argv[]) + int i, c; + char *tty = NULL; + struct option opts[] = { ++#ifdef HAVE_PAM + { "user", required_argument, NULL, 'u' }, ++#endif + { "tty", required_argument, NULL, 't' }, + { "verbose", no_argument, NULL, 'v' }, + { "help", no_argument, NULL, 'h' }, +@@ -712,9 +726,13 @@ main(int argc, char *argv[]) + while ((c = getopt_long(argc, argv, "u:t:vh", opts, &i)) != -1) { + switch (c) { + case 'u': ++#ifdef HAVE_PAM + wl.new_user = optarg; + if (getuid() != 0) + error(1, 0, "Permission denied. -u allowed for root only"); ++#else ++ error(1, 0, "-u is unsupported in this weston-launch build"); ++#endif + break; + case 't': + tty = optarg; +@@ -755,8 +773,10 @@ main(int argc, char *argv[]) + if (setup_tty(&wl, tty) < 0) + exit(EXIT_FAILURE); + ++#ifdef HAVE_PAM + if (wl.new_user && setup_pam(&wl) < 0) + exit(EXIT_FAILURE); ++#endif + + if (setup_launcher_socket(&wl) < 0) + exit(EXIT_FAILURE); |