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coreutils/coreutils-8.7-runuser.patch
Ondřej Vašík 7f6231bff1 new upstream release 8.15, patches updated
2012-01-07 20:47:10 +01:00

339 lines
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diff -urNp coreutils-8.7-orig/AUTHORS coreutils-8.7/AUTHORS
--- coreutils-8.7-orig/AUTHORS 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/AUTHORS 2010-11-15 10:08:04.222078001 +0100
@@ -65,6 +65,7 @@ readlink: Dmitry V. Levin
rm: Paul Rubin, David MacKenzie, Richard M. Stallman, Jim Meyering
rmdir: David MacKenzie
runcon: Russell Coker
+runuser: David MacKenzie, Dan Walsh
seq: Ulrich Drepper
sha1sum: Ulrich Drepper, Scott Miller, David Madore
sha224sum: Ulrich Drepper, Scott Miller, David Madore
diff -urNp coreutils-8.7-orig/man/help2man coreutils-8.7/man/help2man
--- coreutils-8.7-orig/man/help2man 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/man/help2man 2010-11-15 10:08:51.331054884 +0100
@@ -555,6 +555,9 @@ while (length)
$include{$sect} .= $content;
}
+# There is no info documentation for runuser (shared with su).
+$opt_no_info = 1 if $program eq 'runuser';
+
# Refer to the real documentation.
unless ($opt_no_info)
{
diff -urNp coreutils-8.7-orig/man/Makefile.am coreutils-8.7/man/Makefile.am
--- coreutils-8.7-orig/man/Makefile.am 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/man/Makefile.am 2010-11-15 10:09:21.768922182 +0100
@@ -94,6 +94,7 @@ readlink.1: $(common_dep) $(srcdir)/read
rm.1: $(common_dep) $(srcdir)/rm.x ../src/rm.c
rmdir.1: $(common_dep) $(srcdir)/rmdir.x ../src/rmdir.c
runcon.1: $(common_dep) $(srcdir)/runcon.x ../src/runcon.c
+runuser.1: $(common_dep) $(srcdir)/runuser.x ../src/su.c
seq.1: $(common_dep) $(srcdir)/seq.x ../src/seq.c
sha1sum.1: $(common_dep) $(srcdir)/sha1sum.x ../src/md5sum.c
sha224sum.1: $(common_dep) $(srcdir)/sha224sum.x ../src/md5sum.c
diff -urNp coreutils-8.7-orig/man/runuser.x coreutils-8.7/man/runuser.x
--- coreutils-8.7-orig/man/runuser.x 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-8.7/man/runuser.x 2010-11-15 10:09:57.437939015 +0100
@@ -0,0 +1,12 @@
+[NAME]
+runuser \- run a shell with substitute user and group IDs
+[DESCRIPTION]
+.\" Add any additional description here
+[SEE ALSO]
+.TP
+More detailed Texinfo documentation could be found by command
+.TP
+\t\fBinfo coreutils \(aqsu invocation\(aq\fR\t
+.TP
+since the command \fBrunuser\fR is trimmed down version of command \fBsu\fR.
+.br
diff -urNp coreutils-8.7-orig/README coreutils-8.7/README
--- coreutils-8.7-orig/README 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/README 2010-11-15 10:10:43.002922253 +0100
@@ -11,8 +11,8 @@ The programs that can be built with this
factor false fmt fold groups head hostid hostname id install join kill
link ln logname ls md5sum mkdir mkfifo mknod mktemp mv nice nl nohup
nproc od paste pathchk pinky pr printenv printf ptx pwd readlink realpath
- rm rmdir runcon seq sha1sum sha224sum sha256sum sha384sum sha512sum shred
- shuf sleep sort split stat stdbuf stty su sum sync tac tail tee test
+ rm rmdir runcon runuser seq sha1sum sha224sum sha256sum sha384sum sha512sum
+ shred shuf sleep sort split stat stdbuf stty su sum sync tac tail tee test
timeout touch tr true truncate tsort tty uname unexpand uniq unlink
uptime users vdir wc who whoami yes
diff -urNp coreutils-8.7-orig/src/Makefile.am coreutils-8.7/src/Makefile.am
--- coreutils-8.7-orig/src/Makefile.am 2010-11-15 10:07:07.339171659 +0100
+++ coreutils-8.7/src/Makefile.am 2010-11-15 10:12:14.847094550 +0100
@@ -100,6 +100,7 @@ EXTRA_PROGRAMS = \
rm \
rmdir \
runcon \
+ runuser \
seq \
sha1sum \
sha224sum \
@@ -300,6 +301,10 @@ cp_LDADD += $(copy_LDADD)
ginstall_LDADD += $(copy_LDADD)
mv_LDADD += $(copy_LDADD)
+runuser_SOURCES = su.c
+runuser_CFLAGS = -DRUNUSER -DAUTHORS="\"David MacKenzie, Dan Walsh\""
+runuser_LDADD = $(LDADD) $(LIB_CRYPT) $(PAM_LIBS)
+
remove_LDADD =
mv_LDADD += $(remove_LDADD)
rm_LDADD += $(remove_LDADD)
@@ -395,7 +400,7 @@ RELEASE_YEAR = \
`sed -n '/.*COPYRIGHT_YEAR = \([0-9][0-9][0-9][0-9]\) };/s//\1/p' \
$(top_srcdir)/lib/version-etc.c`
-all-local: su$(EXEEXT)
+all-local: su$(EXEEXT) runuser
installed_su = $(DESTDIR)$(bindir)/`echo su|sed '$(transform)'`
diff -urNp coreutils-8.7-orig/src/su.c coreutils-8.7/src/su.c
--- coreutils-8.7-orig/src/su.c 2010-11-15 10:07:07.372933288 +0100
+++ coreutils-8.7/src/su.c 2010-11-15 10:42:12.569159230 +0100
@@ -100,9 +100,15 @@
#include "error.h"
/* The official name of this program (e.g., no `g' prefix). */
+#ifndef RUNUSER
#define PROGRAM_NAME "su"
+#else
+#define PROGRAM_NAME "runuser"
+#endif
+#ifndef AUTHORS
#define AUTHORS proper_name ("David MacKenzie")
+#endif
#if HAVE_PATHS_H
# include <paths.h>
@@ -140,6 +146,9 @@
#ifndef USE_PAM
char *crypt (char const *key, char const *salt);
#endif
+#ifndef CHECKPASSWD
+#define CHECKPASSWD 1
+#endif
static void run_shell (char const *, char const *, char **, size_t)
ATTRIBUTE_NORETURN;
@@ -169,6 +178,10 @@ static struct option const longopts[] =
{"login", no_argument, NULL, 'l'},
{"preserve-environment", no_argument, NULL, 'p'},
{"shell", required_argument, NULL, 's'},
+#ifdef RUNUSER
+ {"group", required_argument, NULL, 'g'},
+ {"supp-group", required_argument, NULL, 'G'},
+#endif
{GETOPT_HELP_OPTION_DECL},
{GETOPT_VERSION_OPTION_DECL},
{NULL, 0, NULL, 0}
@@ -444,6 +457,11 @@ correct_password (const struct passwd *p
retval = pam_set_item (pamh, PAM_RUSER, (const void *) lpw->pw_name);
PAM_BAIL_P (return false);
}
+#ifdef RUNUSER
+ if (getuid() != geteuid())
+ /* safety net: deny operation if we are suid by accident */
+ error(EXIT_FAILURE, 1, "runuser may not be setuid");
+#else
retval = pam_authenticate (pamh, 0);
PAM_BAIL_P (return false);
retval = pam_acct_mgmt (pamh, 0);
@@ -454,6 +472,7 @@ correct_password (const struct passwd *p
PAM_BAIL_P (return false);
}
PAM_BAIL_P (return false);
+#endif
/* Must be authenticated if this point was reached. */
return true;
#else /* !USE_PAM */
@@ -533,11 +552,22 @@ modify_environment (const struct passwd
/* Become the user and group(s) specified by PW. */
static void
-init_groups (const struct passwd *pw)
+init_groups (const struct passwd *pw
+#ifdef RUNUSER
+ , gid_t *groups, int num_groups
+#endif
+ )
{
#ifdef HAVE_INITGROUPS
+ int rc = 0;
errno = 0;
- if (initgroups (pw->pw_name, pw->pw_gid) == -1)
+#ifdef RUNUSER
+ if (num_groups)
+ rc = setgroups(num_groups, groups);
+ else
+#endif
+ rc = initgroups(pw->pw_name, pw->pw_gid);
+ if (rc == -1)
{
#ifdef USE_PAM
cleanup_pam (PAM_ABORT);
@@ -639,6 +669,28 @@ usage (int status)
else
{
printf (_("Usage: %s [OPTION]... [-] [USER [ARG]...]\n"), program_name);
+#ifdef RUNUSER
+ printf (_("\
+Change the effective user id and group id to that of USER. Only session PAM\n\
+hooks are run, and there is no password prompt. This command is useful only\n\
+when run as the root user. If run as a non-root user without privilege\n\
+to set user ID, the command will fail as the binary is not setuid.\n\
+As %s doesn't run auth and account PAM hooks, it runs with lower overhead\n\
+than su.\n\
+\n\
+ -, -l, --login make the shell a login shell, uses runuser-l\n\
+ PAM file instead of default one\n\
+ -g --group=group specify the primary group\n\
+ -G --supp-group=group specify a supplemental group\n\
+ -c, --command=COMMAND pass a single COMMAND to the shell with -c\n\
+ --session-command=COMMAND pass a single COMMAND to the shell with -c\n\
+ and do not create a new session\n\
+ -f, --fast pass -f to the shell (for csh or tcsh)\n\
+ -m, --preserve-environment do not reset environment variables\n\
+ -p same as -m\n\
+ -s, --shell=SHELL run SHELL if /etc/shells allows it\n\
+"), program_name);
+#else
fputs (_("\
Change the effective user id and group id to that of USER.\n\
\n\
@@ -651,6 +703,7 @@ Change the effective user id and group i
-p same as -m\n\
-s, --shell=SHELL run SHELL if /etc/shells allows it\n\
"), stdout);
+#endif
fputs (HELP_OPTION_DESCRIPTION, stdout);
fputs (VERSION_OPTION_DESCRIPTION, stdout);
fputs (_("\
@@ -672,6 +725,12 @@ main (int argc, char **argv)
char *shell = NULL;
struct passwd *pw;
struct passwd pw_copy;
+#ifdef RUNUSER
+ struct group *gr;
+ gid_t groups[NGROUPS_MAX];
+ int num_supp_groups = 0;
+ int use_gid = 0;
+#endif
initialize_main (&argc, &argv);
set_program_name (argv[0]);
@@ -686,7 +745,11 @@ main (int argc, char **argv)
simulate_login = false;
change_environment = true;
- while ((optc = getopt_long (argc, argv, "c:flmps:", longopts, NULL)) != -1)
+ while ((optc = getopt_long (argc, argv, "c:flmps:"
+#ifdef RUNUSER
+ "g:G:"
+#endif
+ , longopts, NULL)) != -1)
{
switch (optc)
{
@@ -716,6 +779,28 @@ main (int argc, char **argv)
shell = optarg;
break;
+#ifdef RUNUSER
+ case 'g':
+ gr = getgrnam(optarg);
+ if (!gr)
+ error (EXIT_FAILURE, 0, _("group %s does not exist"), optarg);
+ use_gid = 1;
+ groups[0] = gr->gr_gid;
+ break;
+
+ case 'G':
+ num_supp_groups++;
+ if (num_supp_groups >= NGROUPS_MAX)
+ error (EXIT_FAILURE, 0,
+ _("Can't specify more than %d supplemental groups"),
+ NGROUPS_MAX - 1);
+ gr = getgrnam(optarg);
+ if (!gr)
+ error (EXIT_FAILURE, 0, _("group %s does not exist"), optarg);
+ groups[num_supp_groups] = gr->gr_gid;
+ break;
+#endif
+
case_GETOPT_HELP_CHAR;
case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
@@ -754,7 +839,20 @@ main (int argc, char **argv)
: DEFAULT_SHELL);
endpwent ();
- if (!correct_password (pw))
+#ifdef RUNUSER
+ if (num_supp_groups && !use_gid)
+ {
+ pw->pw_gid = groups[1];
+ memmove (groups, groups + 1, sizeof(gid_t) * num_supp_groups);
+ }
+ else if (use_gid)
+ {
+ pw->pw_gid = groups[0];
+ num_supp_groups++;
+ }
+#endif
+
+ if (CHECKPASSWD && !correct_password (pw))
{
#ifdef SYSLOG_FAILURE
log_su (pw, false);
@@ -784,7 +882,11 @@ main (int argc, char **argv)
}
shell = xstrdup (shell ? shell : pw->pw_shell);
- init_groups (pw);
+ init_groups (pw
+#ifdef RUNUSER
+ , groups, num_supp_groups
+#endif
+ );
#ifdef USE_PAM
create_watching_parent ();
diff -urNp coreutils-8.7-orig/tests/misc/help-version coreutils-8.7/tests/misc/help-version
--- coreutils-8.7-orig/tests/misc/help-version 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/tests/misc/help-version 2010-11-15 10:45:18.473682325 +0100
@@ -32,6 +32,7 @@ expected_failure_status_nohup=125
expected_failure_status_stdbuf=125
expected_failure_status_su=125
expected_failure_status_timeout=125
+expected_failure_status_runuser=125
expected_failure_status_printenv=2
expected_failure_status_tty=3
expected_failure_status_sort=2
@@ -209,6 +210,7 @@ seq_setup () { args=10; }
sleep_setup () { args=0; }
su_setup () { args=--version; }
stdbuf_setup () { args="-oL true"; }
+runuser_setup () { args=--version; }
timeout_setup () { args=--version; }
# I'd rather not run sync, since it spins up disks that I've
diff -urNp coreutils-8.7-orig/tests/misc/invalid-opt coreutils-8.7/tests/misc/invalid-opt
--- coreutils-8.7-orig/tests/misc/invalid-opt 2010-10-11 19:35:11.000000000 +0200
+++ coreutils-8.7/tests/misc/invalid-opt 2010-11-15 10:45:46.451938873 +0100
@@ -37,6 +37,7 @@ my %exit_status =
sort => 2,
stdbuf => 125,
su => 125,
+ runuser => 125,
test => 0,
timeout => 125,
true => 0,
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