Remove use of non-standard sigaction_t

config.h.in

@@ -627,9 +627,6 @@
 /* Define to 1 if you have the `sig2str' function. */
 #undef HAVE_SIG2STR
 
-/* Define to 1 if the system has the type `sigaction_t'. */
-#undef HAVE_SIGACTION_T
-
 /* Define to 1 if you use S/Key. */
 #undef HAVE_SKEY
 

configure

@@ -18120,18 +18120,6 @@ if test "x$ac_cv_type_sig_atomic_t" = xyes; then :
 else
   $as_echo "#define sig_atomic_t int" >>confdefs.h
 
-fi
-
-ac_fn_c_check_type "$LINENO" "sigaction_t" "ac_cv_type_sigaction_t" "#include <sys/types.h>
-#include <signal.h>
-"
-if test "x$ac_cv_type_sigaction_t" = xyes; then :
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_SIGACTION_T 1
-_ACEOF
-
-
 fi
 
 ac_fn_c_check_type "$LINENO" "struct in6_addr" "ac_cv_type_struct_in6_addr" "#include <sys/types.h>

configure.ac

@@ -2355,8 +2355,6 @@ AC_CHECK_TYPE([clockid_t], [], [AC_DEFINE(clockid_t, int)], [#include <sys/types
 #include <time.h>])
 AC_CHECK_TYPE([sig_atomic_t], [], [AC_DEFINE(sig_atomic_t, int)], [#include <sys/types.h>
 #include <signal.h>])
-AC_CHECK_TYPES([sigaction_t], [], [], [#include <sys/types.h>
-#include <signal.h>])
 AC_CHECK_TYPES([struct in6_addr], [], [], [#include <sys/types.h>
 #include <netinet/in.h>])
 AC_TYPE_LONG_LONG_INT

include/sudo_compat.h

@@ -248,13 +248,6 @@ __dso_public int isblank(int);
 # define HAVE_INNETGR 1
 #endif /* HAVE__INNETGR */
 
-/*
- * Add IRIX-like sigaction_t for those without it.
- */
-#ifndef HAVE_SIGACTION_T
-typedef struct sigaction sigaction_t;
-#endif
-
 /*
  * The nitems macro may be defined in sys/param.h
  */

lib/util/term.c

@@ -81,7 +81,7 @@ sigttou(int signo)
 static int
 tcsetattr_nobg(int fd, int flags, struct termios *tp)
 {
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     int rc;
 
     /*

plugins/sudoers/auth/bsdauth.c

@@ -104,7 +104,7 @@ bsdauth_verify(struct passwd *pw, char *prompt, sudo_auth *auth, struct sudo_con
     char *s;
     size_t len;
     int authok = 0;
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     auth_session_t *as = ((struct bsdauth_state *) auth->data)->as;
     debug_decl(bsdauth_verify, SUDOERS_DEBUG_AUTH)
 

plugins/sudoers/auth/sudo_auth.c

@@ -216,7 +216,7 @@ verify_user(struct passwd *pw, char *prompt, int validated,
     int ret, status, success = AUTH_FAILURE;
     sudo_auth *auth;
     sigset_t mask, omask;
-    sigaction_t sa, saved_sigtstp;
+    struct sigaction sa, saved_sigtstp;
     debug_decl(verify_user, SUDOERS_DEBUG_AUTH)
 
     /* Make sure we have at least one auth method. */

plugins/sudoers/sudoreplay.c

@@ -381,7 +381,7 @@ replay_session(const double max_wait, const char *decimal)
     bool interactive;
     struct write_closure wc;
     char buf[LINE_MAX];
-    sigaction_t sa;
+    struct sigaction sa;
     int idx;
     debug_decl(replay_session, SUDO_DEBUG_UTIL)
 

plugins/sudoers/visudo.c

@@ -862,7 +862,7 @@ whatnow(void)
 static void
 setup_signals(void)
 {
-    sigaction_t sa;
+    struct sigaction sa;
     debug_decl(setup_signals, SUDOERS_DEBUG_UTIL)
 
     /*

src/exec_monitor.c

@@ -495,7 +495,7 @@ exec_monitor(struct command_details *details, sigset_t *oset,
 {
     struct monitor_closure mc = { 0 };
     struct command_status cstat;
-    sigaction_t sa;
+    struct sigaction sa;
     int errpipe[2];
     debug_decl(exec_monitor, SUDO_DEBUG_EXEC);
 

src/exec_nopty.c

@@ -469,7 +469,7 @@ handle_sigchld_nopty(struct exec_closure_nopty *ec)
 	 * resume, potentially stopping sudo with SIGTTOU while the command
 	 * continues to run.
 	 */
-	sigaction_t sa, osa;
+	struct sigaction sa, osa;
 	pid_t saved_pgrp = -1;
 	int fd, signo = WSTOPSIG(status);
 

src/exec_pty.c

@@ -392,7 +392,7 @@ static int
 suspend_sudo(int signo, pid_t ppgrp)
 {
     char signame[SIG2STR_MAX];
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     int ret = 0;
     debug_decl(suspend_sudo, SUDO_DEBUG_EXEC);
 
@@ -1111,7 +1111,7 @@ exec_pty(struct command_details *details, struct command_status *cstat)
     struct exec_closure_pty ec = { 0 };
     struct plugin_container *plugin;
     sigset_t set, oset;
-    sigaction_t sa;
+    struct sigaction sa;
     pid_t ppgrp;
     int sv[2];
     debug_decl(exec_pty, SUDO_DEBUG_EXEC)

src/signal.c

@@ -36,7 +36,7 @@
 static struct signal_state {
     int signo;
     int restore;
-    sigaction_t sa;
+    struct sigaction sa;
 } saved_signals[] = {
     { SIGALRM },	/* SAVED_SIGALRM */
     { SIGCHLD },	/* SAVED_SIGCHLD */

src/sudo.c

@@ -318,7 +318,7 @@ main(int argc, char *argv[], char *envp[])
      * signal.  However, we want to avoid having sudo dump core itself.
      */
     if (WIFSIGNALED(status)) {
-	sigaction_t sa;
+	struct sigaction sa;
 
 	if (WCOREDUMP(status))
 	    disable_coredump(false);

src/tcsetpgrp_nobg.c

@@ -50,7 +50,7 @@ sigttou(int signo)
 int
 tcsetpgrp_nobg(int fd, pid_t pgrp_id)
 {
-    sigaction_t sa, osa;
+    struct sigaction sa, osa;
     int rc;
 
     /*

src/tgetpass.c

@@ -84,8 +84,8 @@ char *
 tgetpass(const char *prompt, int timeout, int flags,
     struct sudo_conv_callback *callback)
 {
-    sigaction_t sa, savealrm, saveint, savehup, savequit, saveterm;
-    sigaction_t savetstp, savettin, savettou;
+    struct sigaction sa, savealrm, saveint, savehup, savequit, saveterm;
+    struct sigaction savetstp, savettin, savettou;
     char *pass;
     static const char *askpass;
     static char buf[SUDO_CONV_REPL_MAX + 1];