Expose setgroups. Fixes feature request #468116.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 8adcbd5..70552c4 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -204,6 +204,13 @@
Availability: \UNIX{}.
\end{funcdesc}
+\begin{funcdesc}{setgroups}{groups}
+Set list of supplemental group ids associated with the current
+process to \var{groups}.
+Availability: \UNIX{}.
+\versionadded{2.2}
+\end{funcdesc}
+
\begin{funcdesc}{setpgrp}{}
Calls the system call \cfunction{setpgrp()} or \cfunction{setpgrp(0,
0)} depending on which version is implemented (if any). See the
diff --git a/Misc/NEWS b/Misc/NEWS
index 74327c4..e2e9683 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -44,7 +44,7 @@
- readline now supports setting the startup_hook and the pre_event_hook.
-- posix supports chroot where available.
+- posix supports chroot and setgroups where available.
- Decompression objects in the zlib module now accept an optional
second parameter to decompress() that specifies the maximum amount
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index c21f7f8..b26c89e 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -3127,6 +3127,51 @@
}
#endif /* HAVE_SETGID */
+#ifdef HAVE_SETGROUPS
+static char posix_setgroups__doc__[] =
+"setgroups(list) -> None\n\
+Set the groups of the current process to list.";
+
+static PyObject *
+posix_setgroups(PyObject *self, PyObject *args)
+{
+ PyObject *groups;
+ int i, len;
+ gid_t grouplist[MAX_GROUPS];
+
+ if (!PyArg_ParseTuple(args, "O:setgid", &groups))
+ return NULL;
+ if (!PySequence_Check(groups)) {
+ PyErr_SetString(PyExc_TypeError, "setgroups argument must be a sequence");
+ return NULL;
+ }
+ len = PySequence_Size(groups);
+ if (len > MAX_GROUPS) {
+ PyErr_SetString(PyExc_ValueError, "too many groups");
+ return NULL;
+ }
+ for(i = 0; i < len; i++) {
+ PyObject *elem;
+ elem = PySequence_GetItem(groups, i);
+ if (!elem)
+ return NULL;
+ if (!PyInt_Check(elem)) {
+ PyErr_SetString(PyExc_TypeError,
+ "groups must be integers");
+ Py_DECREF(elem);
+ return NULL;
+ }
+ /* XXX: check that value fits into gid_t. */
+ grouplist[i] = PyInt_AsLong(elem);
+ Py_DECREF(elem);
+ }
+
+ if (setgroups(len, grouplist) < 0)
+ return posix_error();
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+#endif /* HAVE_SETGROUPS */
#ifdef HAVE_WAITPID
static char posix_waitpid__doc__[] =
@@ -5467,6 +5512,9 @@
#ifdef HAVE_SETGID
{"setgid", posix_setgid, METH_VARARGS, posix_setgid__doc__},
#endif /* HAVE_SETGID */
+#ifdef HAVE_SETGROUPS
+ {"setgroups", posix_setgroups, METH_VARARGS, posix_setgroups__doc__},
+#endif /* HAVE_SETGROUPS */
#ifdef HAVE_SETPGRP
{"setpgrp", posix_setpgrp, METH_VARARGS, posix_setpgrp__doc__},
#endif /* HAVE_SETPGRP */
diff --git a/configure b/configure
index 260ea3f..be57265 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
#! /bin/sh
-# From configure.in Revision: 1.268
+# From configure.in Revision: 1.269
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13
@@ -4804,7 +4804,7 @@
hstrerror inet_pton kill link lstat mkfifo mktime mremap \
nice pathconf pause plock poll pthread_init \
putenv readlink \
- select setegid seteuid setgid \
+ select setegid seteuid setgid setgroups \
setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
diff --git a/configure.in b/configure.in
index 108d239..1c2f459 100644
--- a/configure.in
+++ b/configure.in
@@ -1391,7 +1391,7 @@
hstrerror inet_pton kill link lstat mkfifo mktime mremap \
nice pathconf pause plock poll pthread_init \
putenv readlink \
- select setegid seteuid setgid \
+ select setegid seteuid setgid setgroups \
setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 7057895..8967cc6 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -498,6 +498,9 @@
/* Define if you have the setgid function. */
#undef HAVE_SETGID
+/* Define if you have the setgroups function. */
+#undef HAVE_SETGROUPS
+
/* Define if you have the setlocale function. */
#undef HAVE_SETLOCALE