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authorLennart Poettering <lennart@poettering.net>2014-08-19 19:16:08 +0200
committerLennart Poettering <lennart@poettering.net>2014-08-19 19:16:08 +0200
commit3bb07b7680c543c982077ac075abe8badeb46ca1 (patch)
tree958ea1a7da76d0cb817c30f2b6d1abad41e0691f
parent8530dc4467691a893aa2e07319b18a84fec96cad (diff)
Revert "socket: introduce SELinuxLabelViaNet option"
This reverts commit cf8bd44339b00330fdbc91041d6731ba8aba9fec. Needs more discussion on the mailing list.
-rw-r--r--man/systemd.socket.xml11
-rw-r--r--src/core/execute.c23
-rw-r--r--src/core/execute.h1
-rw-r--r--src/core/load-fragment-gperf.gperf.m43
-rw-r--r--src/core/socket.c22
-rw-r--r--src/core/socket.h2
-rw-r--r--src/shared/label.c69
-rw-r--r--src/shared/label.h1
8 files changed, 5 insertions, 127 deletions
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index f376f725c9..4483905832 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -676,17 +676,6 @@
</varlistentry>
<varlistentry>
- <term><varname>SELinuxLabelViaNet=</varname></term>
- <listitem><para>Takes a boolean
- value. Controls whether systemd attempts to figure out
- SELinux label used for instantiated service from
- information handed by peer over the
- network. Configuration option has effect only
- on sockets with <literal>Accept=</literal>
- mode set to <literal>yes</literal>.</para></listitem>
- </varlistentry>
-
- <varlistentry>
<term><varname>PipeSize=</varname></term>
<listitem><para>Takes a size in
bytes. Controls the pipe buffer size
diff --git a/src/core/execute.c b/src/core/execute.c
index 129791294e..d8452a666c 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -83,7 +83,6 @@
#include "af-list.h"
#include "mkdir.h"
#include "apparmor-util.h"
-#include "label.h"
#ifdef HAVE_SECCOMP
#include "seccomp-util.h"
@@ -1730,22 +1729,6 @@ int exec_spawn(ExecCommand *command,
goto fail_child;
}
}
-
- if (context->selinux_label_via_net && use_selinux()) {
- _cleanup_free_ char *label = NULL;
-
- err = label_get_child_label(socket_fd, command->path, &label);
- if (err < 0) {
- r = EXIT_SELINUX_CONTEXT;
- goto fail_child;
- }
-
- err = setexeccon(label);
- if (err < 0) {
- r = EXIT_SELINUX_CONTEXT;
- goto fail_child;
- }
- }
#endif
#ifdef HAVE_APPARMOR
@@ -2129,8 +2112,7 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
"%sPrivateDevices: %s\n"
"%sProtectHome: %s\n"
"%sProtectSystem: %s\n"
- "%sIgnoreSIGPIPE: %s\n"
- "%sSELinuxLabelViaNet: %s\n",
+ "%sIgnoreSIGPIPE: %s\n",
prefix, c->umask,
prefix, c->working_directory ? c->working_directory : "/",
prefix, c->root_directory ? c->root_directory : "/",
@@ -2140,8 +2122,7 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) {
prefix, yes_no(c->private_devices),
prefix, protect_home_to_string(c->protect_home),
prefix, protect_system_to_string(c->protect_system),
- prefix, yes_no(c->ignore_sigpipe),
- prefix, yes_no(c->selinux_label_via_net));
+ prefix, yes_no(c->ignore_sigpipe));
STRV_FOREACH(e, c->environment)
fprintf(f, "%sEnvironment: %s\n", prefix, *e);
diff --git a/src/core/execute.h b/src/core/execute.h
index d23a98097a..9d05d3a9de 100644
--- a/src/core/execute.h
+++ b/src/core/execute.h
@@ -136,7 +136,6 @@ struct ExecContext {
bool selinux_context_ignore;
char *selinux_context;
- bool selinux_label_via_net;
bool apparmor_profile_ignore;
char *apparmor_profile;
diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4
index d5ff848c33..b4e2b25743 100644
--- a/src/core/load-fragment-gperf.gperf.m4
+++ b/src/core/load-fragment-gperf.gperf.m4
@@ -262,9 +262,6 @@ Socket.SmackLabelIPOut, config_parse_string, 0,
`Socket.SmackLabel, config_parse_warn_compat, 0, 0
Socket.SmackLabelIPIn, config_parse_warn_compat, 0, 0
Socket.SmackLabelIPOut, config_parse_warn_compat, 0, 0')
-m4_ifdef(`HAVE_SELINUX',
-`Socket.SELinuxLabelViaNet, config_parse_bool, 0, offsetof(Socket, selinux_label_via_net)',
-`Socket.SELinuxLabelViaNet, config_parse_warn_compat, 0, 0')
EXEC_CONTEXT_CONFIG_ITEMS(Socket)m4_dnl
CGROUP_CONTEXT_CONFIG_ITEMS(Socket)m4_dnl
KILL_CONTEXT_CONFIG_ITEMS(Socket)m4_dnl
diff --git a/src/core/socket.c b/src/core/socket.c
index 34ce1b1ffd..a16b20d739 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -31,10 +31,6 @@
#include <mqueue.h>
#include <sys/xattr.h>
-#ifdef HAVE_SELINUX
-#include <selinux/selinux.h>
-#endif
-
#include "sd-event.h"
#include "log.h"
#include "load-dropin.h"
@@ -492,8 +488,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
"%sPassCredentials: %s\n"
"%sPassSecurity: %s\n"
"%sTCPCongestion: %s\n"
- "%sRemoveOnStop: %s\n"
- "%sSELinuxLabelViaNet: %s\n",
+ "%sRemoveOnStop: %s\n",
prefix, socket_state_to_string(s->state),
prefix, socket_result_to_string(s->result),
prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
@@ -508,8 +503,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
prefix, yes_no(s->pass_cred),
prefix, yes_no(s->pass_sec),
prefix, strna(s->tcp_congestion),
- prefix, yes_no(s->remove_on_stop),
- prefix, yes_no(s->selinux_label_via_net));
+ prefix, yes_no(s->remove_on_stop));
if (s->control_pid > 0)
fprintf(f,
@@ -1136,14 +1130,7 @@ static int socket_open_fds(Socket *s) {
continue;
if (p->type == SOCKET_SOCKET) {
-#ifdef HAVE_SELINUX
- if (!know_label && s->selinux_label_via_net) {
- r = getcon(&label);
- if (r < 0)
- return r;
- know_label = true;
- }
-#endif
+
if (!know_label) {
r = socket_instantiate_service(s);
@@ -1842,9 +1829,6 @@ static void socket_enter_running(Socket *s, int cfd) {
cfd = -1;
s->n_connections ++;
- if (s->selinux_label_via_net)
- service->exec_context.selinux_label_via_net = true;
-
r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(service), JOB_REPLACE, true, &error, NULL);
if (r < 0)
goto fail;
diff --git a/src/core/socket.h b/src/core/socket.h
index ab342c34e8..eede70564a 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -165,8 +165,6 @@ struct Socket {
char *smack_ip_in;
char *smack_ip_out;
- bool selinux_label_via_net;
-
char *user, *group;
};
diff --git a/src/shared/label.c b/src/shared/label.c
index dd89bec6e8..25a8b361b7 100644
--- a/src/shared/label.c
+++ b/src/shared/label.c
@@ -31,7 +31,6 @@
#ifdef HAVE_SELINUX
#include <selinux/selinux.h>
#include <selinux/label.h>
-#include <selinux/context.h>
#endif
#include "label.h"
@@ -244,74 +243,6 @@ fail:
return r;
}
-int label_get_child_label(int socket_fd, const char *exe, char **label) {
- int r = 0;
-
-#ifdef HAVE_SELINUX
-
- security_context_t mycon = NULL, peercon = NULL, fcon = NULL, ret = NULL;
- security_class_t sclass;
- context_t pcon = NULL, bcon = NULL;
- const char *range = NULL;
-
- assert(socket_fd >= 0);
- assert(exe);
- assert(label);
-
- r = getcon(&mycon);
- if (r < 0)
- goto out;
-
- r = getpeercon(socket_fd, &peercon);
- if (r < 0)
- goto out;
-
- r = getfilecon(exe, &fcon);
- if (r < 0)
- goto out;
-
- bcon = context_new(mycon);
- if (!bcon)
- goto out;
-
- pcon = context_new(peercon);
- if (!pcon)
- goto out;
-
- range = context_range_get(pcon);
- if (!range)
- goto out;
-
- r = context_range_set(bcon, range);
- if (r)
- goto out;
-
- freecon(mycon);
- mycon = context_str(bcon);
- if (!mycon)
- goto out;
-
- sclass = string_to_security_class("process");
- r = security_compute_create(mycon, fcon, sclass, &ret);
- if (r < 0)
- goto out;
-
- *label = ret;
-
-out:
- if (r && security_getenforce() == 1)
- r = -errno;
-
- freecon(mycon);
- freecon(peercon);
- freecon(fcon);
- context_free(pcon);
- context_free(bcon);
-
-#endif
- return r;
-}
-
int label_context_set(const char *path, mode_t mode) {
int r = 0;
diff --git a/src/shared/label.h b/src/shared/label.h
index 4163f7f98c..72948205f6 100644
--- a/src/shared/label.h
+++ b/src/shared/label.h
@@ -39,7 +39,6 @@ void label_context_clear(void);
void label_free(const char *label);
int label_get_create_label_from_exe(const char *exe, char **label);
-int label_get_child_label(int socket_fd, const char *exec, char **label);
int label_mkdir(const char *path, mode_t mode);