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957f0eb09e
shadow-utils/shadow-4.9-getsubids.patch
Iker Pedrosa 957f0eb09e - getsubids: provide system binary and man page (#1980780) 
- pwck: fix segfault when calling fprintf() (#2021339)
- newgrp: fix segmentation fault (#2019553)
- groupdel: fix SIGSEGV when passwd does not exist (#1986111)

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>
2021-11-19 09:44:08 +01:00

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diff -up shadow-4.9/man/getsubids.1.xml.getsubids shadow-4.9/man/getsubids.1.xml
--- shadow-4.9/man/getsubids.1.xml.getsubids 2021-11-18 16:27:33.951053120 +0100
+++ shadow-4.9/man/getsubids.1.xml 2021-11-18 16:27:33.951053120 +0100
@@ -0,0 +1,141 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2021 Iker Pedrosa
+ 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. The name of the copyright holders or contributors may not be used to
+ endorse or promote products derived from this software without
+ specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ HOLDERS 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.
+-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+<!-- SHADOW-CONFIG-HERE -->
+]>
+
+<refentry id='getsubids.1'>
+ <refentryinfo>
+ <author>
+ <firstname>Iker</firstname>
+ <surname>Pedrosa</surname>
+ <contrib>Creation, 2021</contrib>
+ </author>
+ </refentryinfo>
+ <refmeta>
+ <refentrytitle>getsubids</refentrytitle>
+ <manvolnum>1</manvolnum>
+ <refmiscinfo class="sectdesc">User Commands</refmiscinfo>
+ <refmiscinfo class="source">shadow-utils</refmiscinfo>
+ <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo>
+ </refmeta>
+ <refnamediv id='name'>
+ <refname>getsubids</refname>
+ <refpurpose>get the subordinate id ranges for a user</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv id='synopsis'>
+ <cmdsynopsis>
+ <command>getsubids</command>
+ <arg choice='opt'>
+ <replaceable>options</replaceable>
+ </arg>
+ <arg choice='plain'>
+ <replaceable>USER</replaceable>
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id='description'>
+ <title>DESCRIPTION</title>
+ <para>
+ The <command>getsubids</command> command lists the subordinate user ID
+ ranges for a given user. The subordinate group IDs can be listed using
+ the <option>-g</option> option.
+ </para>
+ </refsect1>
+
+ <refsect1 id='options'>
+ <title>OPTIONS</title>
+ <para>
+ The options which apply to the <command>getsubids</command> command are:
+ </para>
+ <variablelist remap='IP'>
+ <varlistentry>
+ <term>
+ <option>-g</option>
+ </term>
+ <listitem>
+ <para>
+ List the subordinate group ID ranges.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='example'>
+ <title>EXAMPLE</title>
+ <para>
+ For example, to obtain the subordinate UIDs of the testuser:
+ </para>
+ <para>
+<programlisting>
+$ getsubids testuser
+0: testuser 100000 65536
+</programlisting>
+ </para>
+ <para>
+ This command output provides (in order from left to right) the list
+ index, username, UID range start, and number of UIDs in range.
+ </para>
+ </refsect1>
+
+ <refsect1 id='see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>login.defs</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>newgidmap</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>newuidmap</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>subgid</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>subuid</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>useradd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>userdel</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>.
+ <citerefentry>
+ <refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ </para>
+ </refsect1>
+</refentry>
diff -up shadow-4.9/man/Makefile.am.getsubids shadow-4.9/man/Makefile.am
--- shadow-4.9/man/Makefile.am.getsubids 2021-07-22 23:55:35.000000000 +0200
+++ shadow-4.9/man/Makefile.am 2021-11-18 16:27:33.951053120 +0100
@@ -62,6 +62,7 @@ man_MANS += $(man_nopam)
endif
man_subids = \
+ man1/getsubids.1 \
man1/newgidmap.1 \
man1/newuidmap.1 \
man5/subgid.5 \
@@ -80,6 +81,7 @@ man_XMANS = \
expiry.1.xml \
faillog.5.xml \
faillog.8.xml \
+ getsubids.1.xml \
gpasswd.1.xml \
groupadd.8.xml \
groupdel.8.xml \
diff -up shadow-4.9/src/getsubids.c.getsubids shadow-4.9/src/getsubids.c
--- shadow-4.9/src/getsubids.c.getsubids 2021-11-18 16:27:33.951053120 +0100
+++ shadow-4.9/src/getsubids.c 2021-11-18 16:27:33.951053120 +0100
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "subid.h"
+#include "prototypes.h"
+
+const char *Prog;
+FILE *shadow_logfd = NULL;
+
+void usage(void)
+{
+ fprintf(stderr, "Usage: %s [-g] user\n", Prog);
+ fprintf(stderr, " list subuid ranges for user\n");
+ fprintf(stderr, " pass -g to list subgid ranges\n");
+ exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[])
+{
+ int i, count=0;
+ struct subid_range *ranges;
+ const char *owner;
+
+ Prog = Basename (argv[0]);
+ shadow_logfd = stderr;
+ if (argc < 2)
+ usage();
+ owner = argv[1];
+ if (argc == 3 && strcmp(argv[1], "-g") == 0) {
+ owner = argv[2];
+ count = get_subgid_ranges(owner, &ranges);
+ } else if (argc == 2 && strcmp(argv[1], "-h") == 0) {
+ usage();
+ } else {
+ count = get_subuid_ranges(owner, &ranges);
+ }
+ if (!ranges) {
+ fprintf(stderr, "Error fetching ranges\n");
+ exit(1);
+ }
+ for (i = 0; i < count; i++) {
+ printf("%d: %s %lu %lu\n", i, owner,
+ ranges[i].start, ranges[i].count);
+ }
+ return 0;
+}
diff -up shadow-4.9/src/list_subid_ranges.c.getsubids shadow-4.9/src/list_subid_ranges.c
diff -up shadow-4.9/src/Makefile.am.getsubids shadow-4.9/src/Makefile.am
--- shadow-4.9/src/Makefile.am.getsubids 2021-11-18 16:27:33.943053061 +0100
+++ shadow-4.9/src/Makefile.am 2021-11-18 16:28:03.647272392 +0100
@@ -157,8 +157,8 @@ if FCAPS
setcap cap_setgid+ep $(DESTDIR)$(ubindir)/newgidmap
endif
-noinst_PROGRAMS += list_subid_ranges \
- get_subid_owners \
+bin_PROGRAMS += getsubids
+noinst_PROGRAMS += get_subid_owners \
new_subid_range \
free_subid_range \
check_subid_range
@@ -174,13 +174,13 @@ MISCLIBS = \
$(LIBCRYPT) \
$(LIBTCB)
-list_subid_ranges_LDADD = \
+getsubids_LDADD = \
$(top_builddir)/lib/libshadow.la \
$(top_builddir)/libmisc/libmisc.la \
$(top_builddir)/libsubid/libsubid.la \
$(MISCLIBS) -ldl
-list_subid_ranges_CPPFLAGS = \
+getsubids_CPPFLAGS = \
-I$(top_srcdir)/lib \
-I$(top_srcdir)/libmisc \
-I$(top_srcdir)/libsubid
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