mirror of
https://github.com/sudo-project/sudo.git
synced 2025-08-22 01:49:11 +00:00
Add getgids utility to simular "id -G" using sudo_getgrouplist2()
This commit is contained in:
Todd C. Miller
parent
3104d8ba0b
commit
dfaa9b95f1
1
MANIFEST
1
MANIFEST
@ -237,6 +237,7 @@ lib/util/regress/fnmatch/fnm_test.in
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lib/util/regress/fuzz/fuzz_sudo_conf.c
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lib/util/regress/fuzz/fuzz_sudo_conf.dict
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lib/util/regress/getdelim/getdelim_test.c
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lib/util/regress/getgrouplist/getgids.c
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lib/util/regress/getgrouplist/getgrouplist_test.c
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lib/util/regress/glob/files
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lib/util/regress/glob/globtest.c
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@ -105,7 +105,7 @@ PVS_LOG_OPTS = -a 'GA:1,2' -e -t errorfile -d $(PVS_IGNORE)
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# Regression tests
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TEST_PROGS = conf_test hltq_test parseln_test progname_test strsplit_test \
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strtobool_test strtoid_test strtomode_test strtonum_test \
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parse_gids_test getgrouplist_test @COMPAT_TEST_PROGS@
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parse_gids_test getgids getgrouplist_test @COMPAT_TEST_PROGS@
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TEST_LIBS = @LIBS@
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TEST_LDFLAGS = @LDFLAGS@
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@ -170,6 +170,8 @@ STRSPLIT_TEST_OBJS = strsplit_test.lo strsplit.lo
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PARSE_GIDS_TEST_OBJS = parse_gids_test.lo gidlist.lo
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GETGIDS_OBJS = getgids.lo getgrouplist.lo
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GETGROUPLIST_TEST_OBJS = getgrouplist_test.lo getgrouplist.lo
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STRSIG_TEST_OBJS = strsig_test.lo sig2str.lo str2sig.lo @SIGNAME@
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@ -269,6 +271,9 @@ progname_test: $(PROGNAME_TEST_OBJS)
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parse_gids_test: $(PARSE_GIDS_TEST_OBJS) libsudo_util.la
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$(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(PARSE_GIDS_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS)
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getgids: $(GETGIDS_OBJS) libsudo_util.la
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$(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GETGIDS_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS)
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getgrouplist_test: $(GETGROUPLIST_TEST_OBJS) libsudo_util.la
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$(LIBTOOL) $(LTFLAGS) --mode=link $(CC) -o $@ $(GETGROUPLIST_TEST_OBJS) libsudo_util.la $(ASAN_LDFLAGS) $(PIE_LDFLAGS) $(SSP_LDFLAGS) $(TEST_LDFLAGS) $(TEST_LIBS)
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@ -781,12 +786,26 @@ getentropy.i: $(srcdir)/getentropy.c $(incdir)/sudo_compat.h \
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$(CC) -E -o $@ $(CPPFLAGS) $<
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getentropy.plog: getentropy.i
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rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/getentropy.c --i-file $< --output-file $@
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getgids.lo: $(srcdir)/regress/getgrouplist/getgids.c \
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$(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_fatal.h $(incdir)/sudo_plugin.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(srcdir)/regress/getgrouplist/getgids.c
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getgids.i: $(srcdir)/regress/getgrouplist/getgids.c \
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$(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_fatal.h $(incdir)/sudo_plugin.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(CC) -E -o $@ $(CPPFLAGS) $<
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getgids.plog: getgids.i
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rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/regress/getgrouplist/getgids.c --i-file $< --output-file $@
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getgrouplist.lo: $(srcdir)/getgrouplist.c $(incdir)/compat/nss_dbdefs.h \
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$(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_debug.h $(incdir)/sudo_queue.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(srcdir)/getgrouplist.c
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getgrouplist.i: $(srcdir)/getgrouplist.c $(incdir)/compat/nss_dbdefs.h \
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$(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_debug.h $(incdir)/sudo_queue.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(CC) -E -o $@ $(CPPFLAGS) $<
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getgrouplist.plog: getgrouplist.i
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@ -1126,10 +1145,12 @@ pwrite.i: $(srcdir)/pwrite.c $(incdir)/sudo_compat.h $(top_builddir)/config.h
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pwrite.plog: pwrite.i
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rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/pwrite.c --i-file $< --output-file $@
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rcstr.lo: $(srcdir)/rcstr.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(incdir)/sudo_debug.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \
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$(top_builddir)/config.h
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$(LIBTOOL) $(LTFLAGS) --mode=compile $(CC) -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ASAN_CFLAGS) $(PIE_CFLAGS) $(SSP_CFLAGS) $(srcdir)/rcstr.c
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rcstr.i: $(srcdir)/rcstr.c $(incdir)/compat/stdbool.h $(incdir)/sudo_compat.h \
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$(incdir)/sudo_util.h $(top_builddir)/config.h
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$(incdir)/sudo_debug.h $(incdir)/sudo_queue.h $(incdir)/sudo_util.h \
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$(top_builddir)/config.h
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$(CC) -E -o $@ $(CPPFLAGS) $<
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rcstr.plog: rcstr.i
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rm -f $@; pvs-studio --cfg $(PVS_CFG) --sourcetree-root $(top_srcdir) --skip-cl-exe yes --source-file $(srcdir)/rcstr.c --i-file $< --output-file $@
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81
lib/util/regress/getgrouplist/getgids.c
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81
lib/util/regress/getgrouplist/getgids.c
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@ -0,0 +1,81 @@
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/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_STDBOOL_H
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# include <stdbool.h>
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#else
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# include "compat/stdbool.h"
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#endif
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#include <unistd.h>
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#include <pwd.h>
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#include <grp.h>
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#define SUDO_ERROR_WRAP 0
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#include "sudo_compat.h"
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#include "sudo_fatal.h"
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#include "sudo_util.h"
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sudo_dso_public int main(int argc, char *argv[]);
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/*
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* Implement "id -G" using sudo_getgrouplist2().
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*/
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int
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main(int argc, char *argv[])
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{
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char *username = NULL;
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GETGROUPS_T *groups = NULL;
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struct passwd *pw;
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int i, ngroups;
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gid_t basegid;
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initprogname(argc > 0 ? argv[0] : "getgids");
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if (getopt(argc, argv, "") != -1) {
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fprintf(stderr, "usage: %s [user]\n", getprogname());
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return EXIT_FAILURE;
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}
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if (argc > 1)
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username = argv[1];
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if (username != NULL) {
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if ((pw = getpwnam(username)) == NULL)
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sudo_fatalx("unknown user name %s", username);
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} else {
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if ((pw = getpwuid(getuid())) == NULL)
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sudo_fatalx("unknown user ID %u", (unsigned int)getuid());
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}
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basegid = pw->pw_gid;
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if ((username = strdup(pw->pw_name)) == NULL)
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sudo_fatal(NULL);
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if (sudo_getgrouplist2(username, basegid, &groups, &ngroups) == -1)
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sudo_fatal("sudo_getgroulist2");
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for (i = 0; i < ngroups; i++) {
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printf("%s%u", i ? " " : "", (unsigned int)groups[i]);
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}
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putchar('\n');
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return EXIT_SUCCESS;
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}
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