Yes, this is really weird -- it makes gpsd work on most systems but not
on many modern ones that don't have serial.
Something like below might be appropriate (untested)
johannes
--- gpsd-2.39.orig/configure.ac 2009-08-28 14:56:07.491959141 +0200
+++ gpsd-2.39/configure.ac 2009-08-28 15:02:49.719470100 +0200
@@ -710,6 +710,17 @@ else
AC_MSG_RESULT([nobody])
fi
+dnl check for privilege revocation group at compile-time
+AC_ARG_ENABLE(gpsd-group,
+ AC_HELP_STRING([--enable-gpsd-group=groupname],
+ [GPSD privilege revokation group, use if /dev/ttyS0 not
found]),
+ [ac_group=$enableval])
+AC_MSG_CHECKING([privilege revokation group])
+if test x"$ac_user" != "xnobody"; then
+ AC_MSG_RESULT([$ac_group])
+ AC_DEFINE_UNQUOTED([GPSD_GROUP], "$ac_group", [GPSD privilege
revokation group])
+fi
+
dnl check for port speed fixed at compile-time
AC_ARG_ENABLE(fixed-port-speed,
AC_HELP_STRING([--enable-fixed-port-speed=nnn],
--- gpsd-2.39.orig/gpsd.c 2009-08-28 14:52:26.259466630 +0200
+++ gpsd-2.39/gpsd.c 2009-08-28 14:55:21.179470310 +0200
@@ -20,6 +20,7 @@
#include <stdio.h>
#include <assert.h>
#include <pwd.h>
+#include <grp.h>
#include <stdbool.h>
#include <math.h>
@@ -1555,6 +1556,13 @@ int main(int argc, char *argv[])
if (setgid(stb.st_gid) != 0)
gpsd_report(LOG_ERROR, "setgid() failed, errno %s\n",
strerror(errno));
}
+#ifdef GPSD_GROUP
+ else {
+ struct group *grp = getgrnam(GPSD_GROUP);
+ if (grp)
+ (void)setgid(grp->gr_gid);
+ }
+#endif
pw = getpwnam(GPSD_USER);
if (pw)
(void)seteuid(pw->pw_uid);
--- gpsd-2.39.orig/gpsd_config.h.in 2009-08-28 14:55:46.779458871 +0200
+++ gpsd-2.39/gpsd_config.h.in 2009-08-28 14:56:03.439474778 +0200
@@ -47,6 +47,9 @@
/* GPSD privilege revokation user */
#undef GPSD_USER
+/* GPSD group */
+#undef GPSD_GROUP
+
/* Define to 1 if you have `alloca', as a function or macro. */
#undef HAVE_ALLOCA
--
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