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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:26:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:26:58 +0000
commit999ae6be3243c7b4a815247199447b53c39a3d65 (patch)
tree1f35b42b5e5f462d35ba452e4dcfa188ce0543fd /openbsd-compat/getgrouplist.c
parentInitial commit. (diff)
downloadopenssh-999ae6be3243c7b4a815247199447b53c39a3d65.tar.xz
openssh-999ae6be3243c7b4a815247199447b53c39a3d65.zip
Adding upstream version 1:7.9p1.upstream/1%7.9p1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'openbsd-compat/getgrouplist.c')
-rw-r--r--openbsd-compat/getgrouplist.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/openbsd-compat/getgrouplist.c b/openbsd-compat/getgrouplist.c
new file mode 100644
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+++ b/openbsd-compat/getgrouplist.c
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+/* $OpenBSD: getgrouplist.c,v 1.12 2005/08/08 08:05:34 espie Exp */
+/*
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/gen/getgrouplist.c */
+
+#include "includes.h"
+
+#ifndef HAVE_GETGROUPLIST
+
+/*
+ * get credential
+ */
+#include <sys/types.h>
+#include <string.h>
+#include <unistd.h>
+#include <grp.h>
+
+int
+getgrouplist(const char *uname, gid_t agroup, gid_t *groups, int *grpcnt)
+{
+ struct group *grp;
+ int i, ngroups;
+ int ret, maxgroups;
+ int bail;
+
+ ret = 0;
+ ngroups = 0;
+ maxgroups = *grpcnt;
+
+ /*
+ * install primary group
+ */
+ if (ngroups >= maxgroups) {
+ *grpcnt = ngroups;
+ return (-1);
+ }
+ groups[ngroups++] = agroup;
+
+ /*
+ * Scan the group file to find additional groups.
+ */
+ setgrent();
+ while ((grp = getgrent())) {
+ if (grp->gr_gid == agroup)
+ continue;
+ for (bail = 0, i = 0; bail == 0 && i < ngroups; i++)
+ if (groups[i] == grp->gr_gid)
+ bail = 1;
+ if (bail)
+ continue;
+ for (i = 0; grp->gr_mem[i]; i++) {
+ if (!strcmp(grp->gr_mem[i], uname)) {
+ if (ngroups >= maxgroups) {
+ ret = -1;
+ goto out;
+ }
+ groups[ngroups++] = grp->gr_gid;
+ break;
+ }
+ }
+ }
+out:
+ endgrent();
+ *grpcnt = ngroups;
+ return (ret);
+}
+
+#endif /* HAVE_GETGROUPLIST */