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-rw-r--r--src/basic/terminal-util.c145
-rw-r--r--src/basic/terminal-util.h4
-rw-r--r--src/basic/util.c80
-rw-r--r--src/basic/util.h4
-rw-r--r--src/core/automount.c15
-rw-r--r--src/core/busname.c13
-rw-r--r--src/core/dbus-service.c32
-rw-r--r--src/core/execute.c167
-rw-r--r--src/core/execute.h19
-rw-r--r--src/core/mount.c3
-rw-r--r--src/core/service.c96
-rw-r--r--src/core/service.h4
-rw-r--r--src/core/socket.c3
-rw-r--r--src/core/swap.c3
-rw-r--r--src/core/unit.c65
-rw-r--r--src/core/unit.h8
-rw-r--r--src/machine/machine-dbus.c21
-rw-r--r--src/machine/machine-dbus.h2
-rw-r--r--src/machine/machine.c36
-rw-r--r--src/machine/machine.h1
-rw-r--r--src/machine/machinectl.c2
-rw-r--r--src/run/run.c26
-rw-r--r--src/tty-ask-password-agent/tty-ask-password-agent.c4
23 files changed, 503 insertions, 250 deletions
diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c
index 22ee6ad83f..ca7554a9fa 100644
--- a/src/basic/terminal-util.c
+++ b/src/basic/terminal-util.c
@@ -480,10 +480,6 @@ int acquire_terminal(
safe_close(notify);
- r = reset_terminal_fd(fd, true);
- if (r < 0)
- log_warning_errno(r, "Failed to reset terminal: %m");
-
return fd;
fail:
@@ -539,8 +535,9 @@ int terminal_vhangup(const char *name) {
}
int vt_disallocate(const char *name) {
- int fd, r;
+ _cleanup_close_ int fd = -1;
unsigned u;
+ int r;
/* Deallocate the VT if possible. If not possible
* (i.e. because it is the active one), at least clear it
@@ -562,8 +559,6 @@ int vt_disallocate(const char *name) {
"\033[H" /* move home */
"\033[2J", /* clear screen */
10, false);
- safe_close(fd);
-
return 0;
}
@@ -583,7 +578,7 @@ int vt_disallocate(const char *name) {
return fd;
r = ioctl(fd, VT_DISALLOCATE, u);
- safe_close(fd);
+ fd = safe_close(fd);
if (r >= 0)
return 0;
@@ -602,8 +597,6 @@ int vt_disallocate(const char *name) {
"\033[H" /* move home */
"\033[3J", /* clear screen including scrollback, requires Linux 2.6.40 */
10, false);
- safe_close(fd);
-
return 0;
}
@@ -616,6 +609,10 @@ int make_console_stdio(void) {
if (fd < 0)
return log_error_errno(fd, "Failed to acquire terminal: %m");
+ r = reset_terminal_fd(fd, true);
+ if (r < 0)
+ log_warning_errno(r, "Failed to reset terminal, ignoring: %m");
+
r = make_stdio(fd);
if (r < 0)
return log_error_errno(r, "Failed to duplicate terminal fd: %m");
@@ -1054,6 +1051,33 @@ int get_ctty(pid_t pid, dev_t *_devnr, char **r) {
return 0;
}
+int ptsname_malloc(int fd, char **ret) {
+ size_t l = 100;
+
+ assert(fd >= 0);
+ assert(ret);
+
+ for (;;) {
+ char *c;
+
+ c = new(char, l);
+ if (!c)
+ return -ENOMEM;
+
+ if (ptsname_r(fd, c, l) == 0) {
+ *ret = c;
+ return 0;
+ }
+ if (errno != ERANGE) {
+ free(c);
+ return -errno;
+ }
+
+ free(c);
+ l *= 2;
+ }
+}
+
int ptsname_namespace(int pty, char **ret) {
int no = -1, r;
@@ -1072,3 +1096,104 @@ int ptsname_namespace(int pty, char **ret) {
return 0;
}
+
+int openpt_in_namespace(pid_t pid, int flags) {
+ _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, usernsfd = -1, rootfd = -1;
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ siginfo_t si;
+ pid_t child;
+ int r;
+
+ assert(pid > 0);
+
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &usernsfd, &rootfd);
+ if (r < 0)
+ return r;
+
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
+ return -errno;
+
+ child = fork();
+ if (child < 0)
+ return -errno;
+
+ if (child == 0) {
+ int master;
+
+ pair[0] = safe_close(pair[0]);
+
+ r = namespace_enter(pidnsfd, mntnsfd, -1, usernsfd, rootfd);
+ if (r < 0)
+ _exit(EXIT_FAILURE);
+
+ master = posix_openpt(flags|O_NOCTTY|O_CLOEXEC);
+ if (master < 0)
+ _exit(EXIT_FAILURE);
+
+ if (unlockpt(master) < 0)
+ _exit(EXIT_FAILURE);
+
+ if (send_one_fd(pair[1], master, 0) < 0)
+ _exit(EXIT_FAILURE);
+
+ _exit(EXIT_SUCCESS);
+ }
+
+ pair[1] = safe_close(pair[1]);
+
+ r = wait_for_terminate(child, &si);
+ if (r < 0)
+ return r;
+ if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+ return -EIO;
+
+ return receive_one_fd(pair[0], 0);
+}
+
+int open_terminal_in_namespace(pid_t pid, const char *name, int mode) {
+ _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, usernsfd = -1, rootfd = -1;
+ _cleanup_close_pair_ int pair[2] = { -1, -1 };
+ siginfo_t si;
+ pid_t child;
+ int r;
+
+ r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &usernsfd, &rootfd);
+ if (r < 0)
+ return r;
+
+ if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
+ return -errno;
+
+ child = fork();
+ if (child < 0)
+ return -errno;
+
+ if (child == 0) {
+ int master;
+
+ pair[0] = safe_close(pair[0]);
+
+ r = namespace_enter(pidnsfd, mntnsfd, -1, usernsfd, rootfd);
+ if (r < 0)
+ _exit(EXIT_FAILURE);
+
+ master = open_terminal(name, mode|O_NOCTTY|O_CLOEXEC);
+ if (master < 0)
+ _exit(EXIT_FAILURE);
+
+ if (send_one_fd(pair[1], master, 0) < 0)
+ _exit(EXIT_FAILURE);
+
+ _exit(EXIT_SUCCESS);
+ }
+
+ pair[1] = safe_close(pair[1]);
+
+ r = wait_for_terminate(child, &si);
+ if (r < 0)
+ return r;
+ if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+ return -EIO;
+
+ return receive_one_fd(pair[0], 0);
+}
diff --git a/src/basic/terminal-util.h b/src/basic/terminal-util.h
index da2a5b8897..ee0b68b433 100644
--- a/src/basic/terminal-util.h
+++ b/src/basic/terminal-util.h
@@ -120,4 +120,8 @@ int get_ctty(pid_t, dev_t *_devnr, char **r);
int getttyname_malloc(int fd, char **r);
int getttyname_harder(int fd, char **r);
+int ptsname_malloc(int fd, char **ret);
int ptsname_namespace(int pty, char **ret);
+
+int openpt_in_namespace(pid_t pid, int flags);
+int open_terminal_in_namespace(pid_t pid, const char *name, int mode);
diff --git a/src/basic/util.c b/src/basic/util.c
index f845e2dabb..ca5e4befa0 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -6087,86 +6087,6 @@ int free_and_strdup(char **p, const char *s) {
return 1;
}
-int ptsname_malloc(int fd, char **ret) {
- size_t l = 100;
-
- assert(fd >= 0);
- assert(ret);
-
- for (;;) {
- char *c;
-
- c = new(char, l);
- if (!c)
- return -ENOMEM;
-
- if (ptsname_r(fd, c, l) == 0) {
- *ret = c;
- return 0;
- }
- if (errno != ERANGE) {
- free(c);
- return -errno;
- }
-
- free(c);
- l *= 2;
- }
-}
-
-int openpt_in_namespace(pid_t pid, int flags) {
- _cleanup_close_ int pidnsfd = -1, mntnsfd = -1, usernsfd = -1, rootfd = -1;
- _cleanup_close_pair_ int pair[2] = { -1, -1 };
- siginfo_t si;
- pid_t child;
- int r;
-
- assert(pid > 0);
-
- r = namespace_open(pid, &pidnsfd, &mntnsfd, NULL, &usernsfd, &rootfd);
- if (r < 0)
- return r;
-
- if (socketpair(AF_UNIX, SOCK_DGRAM, 0, pair) < 0)
- return -errno;
-
- child = fork();
- if (child < 0)
- return -errno;
-
- if (child == 0) {
- int master;
-
- pair[0] = safe_close(pair[0]);
-
- r = namespace_enter(pidnsfd, mntnsfd, -1, usernsfd, rootfd);
- if (r < 0)
- _exit(EXIT_FAILURE);
-
- master = posix_openpt(flags|O_NOCTTY|O_CLOEXEC);
- if (master < 0)
- _exit(EXIT_FAILURE);
-
- if (unlockpt(master) < 0)
- _exit(EXIT_FAILURE);
-
- if (send_one_fd(pair[1], master, 0) < 0)
- _exit(EXIT_FAILURE);
-
- _exit(EXIT_SUCCESS);
- }
-
- pair[1] = safe_close(pair[1]);
-
- r = wait_for_terminate(child, &si);
- if (r < 0)
- return r;
- if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
- return -EIO;
-
- return receive_one_fd(pair[0], 0);
-}
-
ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute, void *value, size_t size, int flags) {
char fn[strlen("/proc/self/fd/") + DECIMAL_STR_MAX(int) + 1];
_cleanup_close_ int fd = -1;
diff --git a/src/basic/util.h b/src/basic/util.h
index 034410b8a8..79c7ad1b39 100644
--- a/src/basic/util.h
+++ b/src/basic/util.h
@@ -891,10 +891,6 @@ union inotify_event_buffer {
#define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW)
-int ptsname_malloc(int fd, char **ret);
-
-int openpt_in_namespace(pid_t pid, int flags);
-
ssize_t fgetxattrat_fake(int dirfd, const char *filename, const char *attribute, void *value, size_t size, int flags);
int fd_setcrtime(int fd, usec_t usec);
diff --git a/src/core/automount.c b/src/core/automount.c
index 8173a6cbe8..e0535ec201 100644
--- a/src/core/automount.c
+++ b/src/core/automount.c
@@ -774,8 +774,9 @@ static int automount_stop(Unit *u) {
static int automount_serialize(Unit *u, FILE *f, FDSet *fds) {
Automount *a = AUTOMOUNT(u);
- void *p;
Iterator i;
+ void *p;
+ int r;
assert(a);
assert(f);
@@ -790,15 +791,9 @@ static int automount_serialize(Unit *u, FILE *f, FDSet *fds) {
SET_FOREACH(p, a->expire_tokens, i)
unit_serialize_item_format(u, f, "expire-token", "%u", PTR_TO_UINT(p));
- if (a->pipe_fd >= 0) {
- int copy;
-
- copy = fdset_put_dup(fds, a->pipe_fd);
- if (copy < 0)
- return copy;
-
- unit_serialize_item_format(u, f, "pipe-fd", "%i", copy);
- }
+ r = unit_serialize_item_fd(u, f, fds, "pipe-fd", a->pipe_fd);
+ if (r < 0)
+ return r;
return 0;
}
diff --git a/src/core/busname.c b/src/core/busname.c
index ba353ab660..38becfc119 100644
--- a/src/core/busname.c
+++ b/src/core/busname.c
@@ -656,6 +656,7 @@ static int busname_stop(Unit *u) {
static int busname_serialize(Unit *u, FILE *f, FDSet *fds) {
BusName *n = BUSNAME(u);
+ int r;
assert(n);
assert(f);
@@ -667,15 +668,9 @@ static int busname_serialize(Unit *u, FILE *f, FDSet *fds) {
if (n->control_pid > 0)
unit_serialize_item_format(u, f, "control-pid", PID_FMT, n->control_pid);
- if (n->starter_fd >= 0) {
- int copy;
-
- copy = fdset_put_dup(fds, n->starter_fd);
- if (copy < 0)
- return copy;
-
- unit_serialize_item_format(u, f, "starter-fd", "%i", copy);
- }
+ r = unit_serialize_item_fd(u, f, fds, "starter-fd", n->starter_fd);
+ if (r < 0)
+ return r;
return 0;
}
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c
index 3436342bef..b636f8ba6a 100644
--- a/src/core/dbus-service.c
+++ b/src/core/dbus-service.c
@@ -19,6 +19,7 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include "async.h"
#include "strv.h"
#include "path-util.h"
#include "unit.h"
@@ -120,6 +121,37 @@ static int bus_service_set_transient_property(
return 1;
+ } else if (STR_IN_SET(name,
+ "StandardInputFileDescriptor",
+ "StandardOutputFileDescriptor",
+ "StandardErrorFileDescriptor")) {
+ int fd;
+
+ r = sd_bus_message_read(message, "h", &fd);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ int copy;
+
+ copy = fcntl(fd, F_DUPFD_CLOEXEC, 3);
+ if (copy < 0)
+ return -errno;
+
+ if (streq(name, "StandardInputFileDescriptor")) {
+ asynchronous_close(s->stdin_fd);
+ s->stdin_fd = copy;
+ } else if (streq(name, "StandardOutputFileDescriptor")) {
+ asynchronous_close(s->stdout_fd);
+ s->stdout_fd = copy;
+ } else {
+ asynchronous_close(s->stderr_fd);
+ s->stderr_fd = copy;
+ }
+ }
+
+ return 1;
+
} else if (streq(name, "ExecStart")) {
unsigned n = 0;
diff --git a/src/core/execute.c b/src/core/execute.c
index f5baad05f3..d6217840c0 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -359,12 +359,28 @@ static int fixup_output(ExecOutput std_output, int socket_fd) {
return std_output;
}
-static int setup_input(const ExecContext *context, int socket_fd, bool apply_tty_stdin) {
+static int setup_input(
+ const ExecContext *context,
+ const ExecParameters *params,
+ int socket_fd) {
+
ExecInput i;
assert(context);
+ assert(params);
+
+ if (params->stdin_fd >= 0) {
+ if (dup2(params->stdin_fd, STDIN_FILENO) < 0)
+ return -errno;
- i = fixup_input(context->std_input, socket_fd, apply_tty_stdin);
+ /* Try to make this the controlling tty, if it is a tty, and reset it */
+ (void) ioctl(STDIN_FILENO, TIOCSCTTY, context->std_input == EXEC_INPUT_TTY_FORCE);
+ (void) reset_terminal_fd(STDIN_FILENO, true);
+
+ return STDIN_FILENO;
+ }
+
+ i = fixup_input(context->std_input, socket_fd, params->apply_tty_stdin);
switch (i) {
@@ -401,16 +417,40 @@ static int setup_input(const ExecContext *context, int socket_fd, bool apply_tty
}
}
-static int setup_output(Unit *unit, const ExecContext *context, int fileno, int socket_fd, const char *ident, bool apply_tty_stdin, uid_t uid, gid_t gid) {
+static int setup_output(
+ Unit *unit,
+ const ExecContext *context,
+ const ExecParameters *params,
+ int fileno,
+ int socket_fd,
+ const char *ident,
+ uid_t uid, gid_t gid) {
+
ExecOutput o;
ExecInput i;
int r;
assert(unit);
assert(context);
+ assert(params);
assert(ident);
- i = fixup_input(context->std_input, socket_fd, apply_tty_stdin);
+ if (fileno == STDOUT_FILENO && params->stdout_fd >= 0) {
+
+ if (dup2(params->stdout_fd, STDOUT_FILENO) < 0)
+ return -errno;
+
+ return STDOUT_FILENO;
+ }
+
+ if (fileno == STDERR_FILENO && params->stderr_fd >= 0) {
+ if (dup2(params->stderr_fd, STDERR_FILENO) < 0)
+ return -errno;
+
+ return STDERR_FILENO;
+ }
+
+ i = fixup_input(context->std_input, socket_fd, params->apply_tty_stdin);
o = fixup_output(context->std_output, socket_fd);
if (fileno == STDERR_FILENO) {
@@ -503,9 +543,9 @@ static int chown_terminal(int fd, uid_t uid) {
return 0;
}
-static int setup_confirm_stdio(int *_saved_stdin,
- int *_saved_stdout) {
- int fd = -1, saved_stdin, saved_stdout = -1, r;
+static int setup_confirm_stdio(int *_saved_stdin, int *_saved_stdout) {
+ _cleanup_close_ int fd = -1, saved_stdin = -1, saved_stdout = -1;
+ int r;
assert(_saved_stdin);
assert(_saved_stdout);
@@ -515,10 +555,8 @@ static int setup_confirm_stdio(int *_saved_stdin,
return -errno;
saved_stdout = fcntl(STDOUT_FILENO, F_DUPFD, 3);
- if (saved_stdout < 0) {
- r = errno;
- goto fail;
- }
+ if (saved_stdout < 0)
+ return -errno;
fd = acquire_terminal(
"/dev/console",
@@ -526,39 +564,33 @@ static int setup_confirm_stdio(int *_saved_stdin,
false,
false,
DEFAULT_CONFIRM_USEC);
- if (fd < 0) {
- r = fd;
- goto fail;
- }
+ if (fd < 0)
+ return fd;
r = chown_terminal(fd, getuid());
if (r < 0)
- goto fail;
+ return r;
- if (dup2(fd, STDIN_FILENO) < 0) {
- r = -errno;
- goto fail;
- }
+ r = reset_terminal_fd(fd, true);
+ if (r < 0)
+ return r;
- if (dup2(fd, STDOUT_FILENO) < 0) {
- r = -errno;
- goto fail;
- }
+ if (dup2(fd, STDIN_FILENO) < 0)
+ return -errno;
+
+ if (dup2(fd, STDOUT_FILENO) < 0)
+ return -errno;
if (fd >= 2)
safe_close(fd);
+ fd = -1;
*_saved_stdin = saved_stdin;
*_saved_stdout = saved_stdout;
- return 0;
-
-fail:
- safe_close(saved_stdout);
- safe_close(saved_stdin);
- safe_close(fd);
+ saved_stdin = saved_stdout = -1;
- return r;
+ return 0;
}
_printf_(1, 2) static int write_confirm_message(const char *format, ...) {
@@ -578,9 +610,7 @@ _printf_(1, 2) static int write_confirm_message(const char *format, ...) {
return 0;
}
-static int restore_confirm_stdio(int *saved_stdin,
- int *saved_stdout) {
-
+static int restore_confirm_stdio(int *saved_stdin, int *saved_stdout) {
int r = 0;
assert(saved_stdin);
@@ -596,8 +626,8 @@ static int restore_confirm_stdio(int *saved_stdin,
if (dup2(*saved_stdout, STDOUT_FILENO) < 0)
r = -errno;
- safe_close(*saved_stdin);
- safe_close(*saved_stdout);
+ *saved_stdin = safe_close(*saved_stdin);
+ *saved_stdout = safe_close(*saved_stdout);
return r;
}
@@ -1324,6 +1354,44 @@ static bool exec_needs_mount_namespace(
return false;
}
+static int close_remaining_fds(
+ const ExecParameters *params,
+ ExecRuntime *runtime,
+ int socket_fd,
+ int *fds, unsigned n_fds) {
+
+ unsigned n_dont_close = 0;
+ int dont_close[n_fds + 7];
+
+ assert(params);
+
+ if (params->stdin_fd >= 0)
+ dont_close[n_dont_close++] = params->stdin_fd;
+ if (params->stdout_fd >= 0)
+ dont_close[n_dont_close++] = params->stdout_fd;
+ if (params->stderr_fd >= 0)
+ dont_close[n_dont_close++] = params->stderr_fd;
+
+ if (socket_fd >= 0)
+ dont_close[n_dont_close++] = socket_fd;
+ if (n_fds > 0) {
+ memcpy(dont_close + n_dont_close, fds, sizeof(int) * n_fds);
+ n_dont_close += n_fds;
+ }
+
+ if (params->bus_endpoint_fd >= 0)
+ dont_close[n_dont_close++] = params->bus_endpoint_fd;
+
+ if (runtime) {
+ if (runtime->netns_storage_socket[0] >= 0)
+ dont_close[n_dont_close++] = runtime->netns_storage_socket[0];
+ if (runtime->netns_storage_socket[1] >= 0)
+ dont_close[n_dont_close++] = runtime->netns_storage_socket[1];
+ }
+
+ return close_all_fds(dont_close, n_dont_close);
+}
+
static int exec_child(
Unit *unit,
ExecCommand *command,
@@ -1339,8 +1407,6 @@ static int exec_child(
_cleanup_strv_free_ char **our_env = NULL, **pam_env = NULL, **final_env = NULL, **final_argv = NULL;
_cleanup_free_ char *mac_selinux_context_net = NULL;
const char *username = NULL, *home = NULL, *shell = NULL, *wd;
- unsigned n_dont_close = 0;
- int dont_close[n_fds + 4];
uid_t uid = UID_INVALID;
gid_t gid = GID_INVALID;
int i, r;
@@ -1380,22 +1446,7 @@ static int exec_child(
log_forget_fds();
- if (socket_fd >= 0)
- dont_close[n_dont_close++] = socket_fd;
- if (n_fds > 0) {
- memcpy(dont_close + n_dont_close, fds, sizeof(int) * n_fds);
- n_dont_close += n_fds;
- }
- if (params->bus_endpoint_fd >= 0)
- dont_close[n_dont_close++] = params->bus_endpoint_fd;
- if (runtime) {
- if (runtime->netns_storage_socket[0] >= 0)
- dont_close[n_dont_close++] = runtime->netns_storage_socket[0];
- if (runtime->netns_storage_socket[1] >= 0)
- dont_close[n_dont_close++] = runtime->netns_storage_socket[1];
- }
-
- r = close_all_fds(dont_close, n_dont_close);
+ r = close_remaining_fds(params, runtime, socket_fd, fds, n_fds);
if (r < 0) {
*exit_status = EXIT_FDS;
return r;
@@ -1451,21 +1502,21 @@ static int exec_child(
/* If a socket is connected to STDIN/STDOUT/STDERR, we
* must sure to drop O_NONBLOCK */
if (socket_fd >= 0)
- fd_nonblock(socket_fd, false);
+ (void) fd_nonblock(socket_fd, false);
- r = setup_input(context, socket_fd, params->apply_tty_stdin);
+ r = setup_input(context, params, socket_fd);
if (r < 0) {
*exit_status = EXIT_STDIN;
return r;
}
- r = setup_output(unit, context, STDOUT_FILENO, socket_fd, basename(command->path), params->apply_tty_stdin, uid, gid);
+ r = setup_output(unit, context, params, STDOUT_FILENO, socket_fd, basename(command->path), uid, gid);
if (r < 0) {
*exit_status = EXIT_STDOUT;
return r;
}
- r = setup_output(unit, context, STDERR_FILENO, socket_fd, basename(command->path), params->apply_tty_stdin, uid, gid);
+ r = setup_output(unit, context, params, STDERR_FILENO, socket_fd, basename(command->path), uid, gid);
if (r < 0) {
*exit_status = EXIT_STDERR;
return r;
diff --git a/src/core/execute.h b/src/core/execute.h
index f1c37116fd..f8995a4203 100644
--- a/src/core/execute.h
+++ b/src/core/execute.h
@@ -208,23 +208,22 @@ struct ExecContext {
struct ExecParameters {
char **argv;
+ char **environment;
int *fds;
char **fd_names;
unsigned n_fds;
- char **environment;
-
- bool apply_permissions;
- bool apply_chroot;
- bool apply_tty_stdin;
+ bool apply_permissions:1;
+ bool apply_chroot:1;
+ bool apply_tty_stdin:1;
- bool confirm_spawn;
- bool selinux_context_net;
+ bool confirm_spawn:1;
+ bool selinux_context_net:1;
+ bool cgroup_delegate:1;
CGroupMask cgroup_supported;
const char *cgroup_path;
- bool cgroup_delegate;
const char *runtime_prefix;
@@ -234,6 +233,10 @@ struct ExecParameters {
char *bus_endpoint_path;
int bus_endpoint_fd;
+
+ int stdin_fd;
+ int stdout_fd;
+ int stderr_fd;
};
int exec_spawn(Unit *unit,
diff --git a/src/core/mount.c b/src/core/mount.c
index a74f116657..8611129453 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -694,6 +694,9 @@ static int mount_spawn(Mount *m, ExecCommand *c, pid_t *_pid) {
.apply_chroot = true,
.apply_tty_stdin = true,
.bus_endpoint_fd = -1,
+ .stdin_fd = -1,
+ .stdout_fd = -1,
+ .stderr_fd = -1,
};
assert(m);
diff --git a/src/core/service.c b/src/core/service.c
index ce3b81398d..1e4f707bf4 100644
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -108,6 +108,7 @@ static void service_init(Unit *u) {
s->type = _SERVICE_TYPE_INVALID;
s->socket_fd = -1;
s->bus_endpoint_fd = -1;
+ s->stdin_fd = s->stdout_fd = s->stderr_fd = -1;
s->guess_main_pid = true;
RATELIMIT_INIT(s->start_limit, u->manager->default_start_limit_interval, u->manager->default_start_limit_burst);
@@ -271,11 +272,15 @@ static void service_release_resources(Unit *u) {
assert(s);
- if (!s->fd_store)
+ if (!s->fd_store && s->stdin_fd < 0 && s->stdout_fd < 0 && s->stderr_fd < 0)
return;
log_unit_debug(u, "Releasing all resources.");
+ s->stdin_fd = safe_close(s->stdin_fd);
+ s->stdout_fd = safe_close(s->stdout_fd);
+ s->stderr_fd = safe_close(s->stderr_fd);
+
while (s->fd_store)
service_fd_store_unlink(s->fd_store);
@@ -1090,11 +1095,13 @@ static int service_spawn(
pid_t pid;
ExecParameters exec_params = {
- .apply_permissions = apply_permissions,
- .apply_chroot = apply_chroot,
- .apply_tty_stdin = apply_tty_stdin,
- .bus_endpoint_fd = -1,
- .selinux_context_net = s->socket_fd_selinux_context_net
+ .apply_permissions = apply_permissions,
+ .apply_chroot = apply_chroot,
+ .apply_tty_stdin = apply_tty_stdin,
+ .bus_endpoint_fd = -1,
+ .stdin_fd = -1,
+ .stdout_fd = -1,
+ .stderr_fd = -1,
};
int r;
@@ -1236,8 +1243,12 @@ static int service_spawn(
exec_params.runtime_prefix = manager_get_runtime_prefix(UNIT(s)->manager);
exec_params.watchdog_usec = s->watchdog_usec;
exec_params.bus_endpoint_path = bus_endpoint_path;
+ exec_params.selinux_context_net = s->socket_fd_selinux_context_net;
if (s->type == SERVICE_IDLE)
exec_params.idle_pipe = UNIT(s)->manager->idle_pipe;
+ exec_params.stdin_fd = s->stdin_fd;
+ exec_params.stdout_fd = s->stdout_fd;
+ exec_params.stderr_fd = s->stderr_fd;
r = exec_spawn(UNIT(s),
c,
@@ -2038,6 +2049,7 @@ _pure_ static bool service_can_reload(Unit *u) {
static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
Service *s = SERVICE(u);
ServiceFDStore *fs;
+ int r;
assert(u);
assert(f);
@@ -2056,12 +2068,9 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
unit_serialize_item(u, f, "bus-name-good", yes_no(s->bus_name_good));
- if (s->status_text) {
- _cleanup_free_ char *c = NULL;
-
- c = cescape(s->status_text);
- unit_serialize_item(u, f, "status-text", strempty(c));
- }
+ r = unit_serialize_item_escaped(u, f, "status-text", s->status_text);
+ if (r < 0)
+ return r;
/* FIXME: There's a minor uncleanliness here: if there are
* multiple commands attached here, we will start from the
@@ -2069,25 +2078,22 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
if (s->control_command_id >= 0)
unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
- if (s->socket_fd >= 0) {
- int copy;
-
- copy = fdset_put_dup(fds, s->socket_fd);
- if (copy < 0)
- return copy;
-
- unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
- }
-
- if (s->bus_endpoint_fd >= 0) {
- int copy;
-
- copy = fdset_put_dup(fds, s->bus_endpoint_fd);
- if (copy < 0)
- return copy;
+ r = unit_serialize_item_fd(u, f, fds, "stdin-fd", s->stdin_fd);
+ if (r < 0)
+ return r;
+ r = unit_serialize_item_fd(u, f, fds, "stdout-fd", s->stdout_fd);
+ if (r < 0)
+ return r;
+ r = unit_serialize_item_fd(u, f, fds, "stderr-fd", s->stderr_fd);
+ if (r < 0)
+ return r;
- unit_serialize_item_format(u, f, "endpoint-fd", "%i", copy);
- }
+ r = unit_serialize_item_fd(u, f, fds, "socket-fd", s->socket_fd);
+ if (r < 0)
+ return r;
+ r = unit_serialize_item_fd(u, f, fds, "endpoint-fd", s->bus_endpoint_fd);
+ if (r < 0)
+ return r;
LIST_FOREACH(fd_store, fs, s->fd_store) {
_cleanup_free_ char *c = NULL;
@@ -2116,8 +2122,7 @@ static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
if (dual_timestamp_is_set(&s->watchdog_timestamp))
dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
- if (s->forbid_restart)
- unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart));
+ unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart));
return 0;
}
@@ -2288,6 +2293,33 @@ static int service_deserialize_item(Unit *u, const char *key, const char *value,
log_unit_debug(u, "Failed to parse forbid-restart value: %s", value);
else
s->forbid_restart = b;
+ } else if (streq(key, "stdin-fd")) {
+ int fd;
+
+ if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_unit_debug(u, "Failed to parse stdin-fd value: %s", value);
+ else {
+ asynchronous_close(s->stdin_fd);
+ s->stdin_fd = fdset_remove(fds, fd);
+ }
+ } else if (streq(key, "stdout-fd")) {
+ int fd;
+
+ if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_unit_debug(u, "Failed to parse stdout-fd value: %s", value);
+ else {
+ asynchronous_close(s->stdout_fd);
+ s->stdout_fd = fdset_remove(fds, fd);
+ }
+ } else if (streq(key, "stderr-fd")) {
+ int fd;
+
+ if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
+ log_unit_debug(u, "Failed to parse stderr-fd value: %s", value);
+ else {
+ asynchronous_close(s->stderr_fd);
+ s->stderr_fd = fdset_remove(fds, fd);
+ }
} else
log_unit_debug(u, "Unknown serialization key: %s", key);
diff --git a/src/core/service.h b/src/core/service.h
index 61bb44fbcf..e765668247 100644
--- a/src/core/service.h
+++ b/src/core/service.h
@@ -195,6 +195,10 @@ struct Service {
char *usb_function_descriptors;
char *usb_function_strings;
+
+ int stdin_fd;
+ int stdout_fd;
+ int stderr_fd;
};
extern const UnitVTable service_vtable;
diff --git a/src/core/socket.c b/src/core/socket.c
index 6300b20f3e..e42ed62ef1 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -1505,6 +1505,9 @@ static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) {
.apply_chroot = true,
.apply_tty_stdin = true,
.bus_endpoint_fd = -1,
+ .stdin_fd = -1,
+ .stdout_fd = -1,
+ .stderr_fd = -1,
};
assert(s);
diff --git a/src/core/swap.c b/src/core/swap.c
index 1f94d32318..f42d151075 100644
--- a/src/core/swap.c
+++ b/src/core/swap.c
@@ -597,6 +597,9 @@ static int swap_spawn(Swap *s, ExecCommand *c, pid_t *_pid) {
.apply_chroot = true,
.apply_tty_stdin = true,
.bus_endpoint_fd = -1,
+ .stdin_fd = -1,
+ .stdout_fd = -1,
+ .stderr_fd = -1,
};
assert(s);
diff --git a/src/core/unit.c b/src/core/unit.c
index 33c0317ce0..423caa9562 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2624,6 +2624,62 @@ int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs) {
return 0;
}
+int unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value) {
+ assert(u);
+ assert(f);
+ assert(key);
+
+ if (!value)
+ return 0;
+
+ fputs(key, f);
+ fputc('=', f);
+ fputs(value, f);
+ fputc('\n', f);
+
+ return 1;
+}
+
+int unit_serialize_item_escaped(Unit *u, FILE *f, const char *key, const char *value) {
+ _cleanup_free_ char *c = NULL;
+
+ assert(u);
+ assert(f);
+ assert(key);
+
+ if (!value)
+ return 0;
+
+ c = cescape(value);
+ if (!c)
+ return -ENOMEM;
+
+ fputs(key, f);
+ fputc('=', f);
+ fputs(c, f);
+ fputc('\n', f);
+
+ return 1;
+}
+
+int unit_serialize_item_fd(Unit *u, FILE *f, FDSet *fds, const char *key, int fd) {
+ int copy;
+
+ assert(u);
+ assert(f);
+ assert(key);
+
+ if (fd < 0)
+ return 0;
+
+ copy = fdset_put_dup(fds, fd);
+ if (copy < 0)
+ return copy;
+
+ fprintf(f, "%s=%i\n", key, copy);
+ return 1;
+}
+
void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *format, ...) {
va_list ap;
@@ -2642,15 +2698,6 @@ void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *f
fputc('\n', f);
}
-void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value) {
- assert(u);
- assert(f);
- assert(key);
- assert(value);
-
- fprintf(f, "%s=%s\n", key, value);
-}
-
int unit_deserialize(Unit *u, FILE *f, FDSet *fds) {
ExecRuntime **rt = NULL;
size_t offset;
diff --git a/src/core/unit.h b/src/core/unit.h
index e8d5f86eca..a4a1b011fc 100644
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -533,11 +533,15 @@ char *unit_dbus_path(Unit *u);
int unit_load_related_unit(Unit *u, const char *type, Unit **_found);
bool unit_can_serialize(Unit *u) _pure_;
+
int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool serialize_jobs);
-void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_(4,5);
-void unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value);
int unit_deserialize(Unit *u, FILE *f, FDSet *fds);
+int unit_serialize_item(Unit *u, FILE *f, const char *key, const char *value);
+int unit_serialize_item_escaped(Unit *u, FILE *f, const char *key, const char *value);
+int unit_serialize_item_fd(Unit *u, FILE *f, FDSet *fds, const char *key, int fd);
+void unit_serialize_item_format(Unit *u, FILE *f, const char *key, const char *value, ...) _printf_(4,5);
+
int unit_add_node_link(Unit *u, const char *what, bool wants);
int unit_coldplug(Unit *u);
diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
index 21026829a9..6e41e92962 100644
--- a/src/machine/machine-dbus.c
+++ b/src/machine/machine-dbus.c
@@ -639,7 +639,7 @@ int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bu
_cleanup_free_ char *pty_name = NULL;
_cleanup_bus_flush_close_unref_ sd_bus *allocated_bus = NULL;
sd_bus *container_bus = NULL;
- _cleanup_close_ int master = -1;
+ _cleanup_close_ int master = -1, slave = -1;
_cleanup_strv_free_ char **env = NULL, **args = NULL;
Machine *m = userdata;
const char *p, *unit, *user, *path, *description, *utmp_id;
@@ -700,8 +700,11 @@ int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bu
return r;
p = path_startswith(pty_name, "/dev/pts/");
- if (!p)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "PTS name %s is invalid", pty_name);
+ assert(p);
+
+ slave = machine_open_terminal(m, pty_name, O_RDWR|O_NOCTTY|O_CLOEXEC);
+ if (slave < 0)
+ return slave;
utmp_id = path_startswith(pty_name, "/dev/");
assert(utmp_id);
@@ -735,16 +738,14 @@ int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bu
description = strjoina("Shell for User ", isempty(user) ? "root" : user);
r = sd_bus_message_append(tm,
- "(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)",
+ "(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)(sv)",
"Description", "s", description,
- "StandardInput", "s", "tty",
- "StandardOutput", "s", "tty",
- "StandardError", "s", "tty",
- "TTYPath", "s", pty_name,
+ "StandardInputFileDescriptor", "h", slave,
+ "StandardOutputFileDescriptor", "h", slave,
+ "StandardErrorFileDescriptor", "h", slave,
"SendSIGHUP", "b", true,
"IgnoreSIGPIPE", "b", false,
"KillMode", "s", "mixed",
- "TTYVHangup", "b", true,
"TTYReset", "b", true,
"UtmpIdentifier", "s", utmp_id,
"UtmpMode", "s", "user",
@@ -845,6 +846,8 @@ int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bu
if (r < 0)
return r;
+ slave = safe_close(slave);
+
r = sd_bus_message_new_method_return(message, &reply);
if (r < 0)
return r;
diff --git a/src/machine/machine-dbus.h b/src/machine/machine-dbus.h
index 38b46ad936..194e680e05 100644
--- a/src/machine/machine-dbus.h
+++ b/src/machine/machine-dbus.h
@@ -23,6 +23,8 @@
#include "sd-bus.h"
+#include "machine.h"
+
extern const sd_bus_vtable machine_vtable[];
char *machine_bus_path(Machine *s);
diff --git a/src/machine/machine.c b/src/machine/machine.c
index b52ecd015c..7ab84607fb 100644
--- a/src/machine/machine.c
+++ b/src/machine/machine.c
@@ -19,23 +19,24 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <errno.h>
#include <string.h>
#include <unistd.h>
-#include <errno.h>
#include "sd-messages.h"
-#include "util.h"
-#include "mkdir.h"
-#include "hashmap.h"
+#include "bus-error.h"
+#include "bus-util.h"
#include "fileio.h"
+#include "formats-util.h"
+#include "hashmap.h"
+#include "mkdir.h"
#include "special.h"
+#include "terminal-util.h"
#include "unit-name.h"
-#include "bus-util.h"
-#include "bus-error.h"
-#include "machine.h"
+#include "util.h"
#include "machine-dbus.h"
-#include "formats-util.h"
+#include "machine.h"
Machine* machine_new(Manager *manager, MachineClass class, const char *name) {
Machine *m;
@@ -571,6 +572,25 @@ int machine_openpt(Machine *m, int flags) {
}
}
+int machine_open_terminal(Machine *m, const char *path, int mode) {
+ assert(m);
+
+ switch (m->class) {
+
+ case MACHINE_HOST:
+ return open_terminal(path, mode);
+
+ case MACHINE_CONTAINER:
+ if (m->leader <= 0)
+ return -EINVAL;
+
+ return open_terminal_in_namespace(m->leader, path, mode);
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
MachineOperation *machine_operation_unref(MachineOperation *o) {
if (!o)
return NULL;
diff --git a/src/machine/machine.h b/src/machine/machine.h
index 5f978289f2..ad7f2a162f 100644
--- a/src/machine/machine.h
+++ b/src/machine/machine.h
@@ -123,3 +123,4 @@ const char *kill_who_to_string(KillWho k) _const_;
KillWho kill_who_from_string(const char *s) _pure_;
int machine_openpt(Machine *m, int flags);
+int machine_open_terminal(Machine *m, const char *path, int mode);
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index e75b183328..0a21ab4415 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -1390,7 +1390,7 @@ static int shell_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return process_forward(event, &forward, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, machine);
+ return process_forward(event, &forward, master, 0, machine);
}
static int remove_image(int argc, char *argv[], void *userdata) {
diff --git a/src/run/run.c b/src/run/run.c
index bb18dd4383..93d8cd1d08 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -36,6 +36,7 @@
#include "signal-util.h"
#include "spawn-polkit-agent.h"
#include "strv.h"
+#include "terminal-util.h"
#include "unit-name.h"
static bool arg_ask_password = true;
@@ -62,7 +63,7 @@ static usec_t arg_on_boot = 0;
static usec_t arg_on_startup = 0;
static usec_t arg_on_unit_active = 0;
static usec_t arg_on_unit_inactive = 0;
-static char *arg_on_calendar = NULL;
+static const char *arg_on_calendar = NULL;
static char **arg_timer_property = NULL;
static bool arg_quiet = false;
@@ -181,7 +182,6 @@ static int parse_argv(int argc, char *argv[]) {
};
int r, c;
- CalendarSpec *spec = NULL;
assert(argc >= 0);
assert(argv);
@@ -335,16 +335,19 @@ static int parse_argv(int argc, char *argv[]) {
break;
- case ARG_ON_CALENDAR:
+ case ARG_ON_CALENDAR: {
+ CalendarSpec *spec = NULL;
r = calendar_spec_from_string(optarg, &spec);
if (r < 0) {
log_error("Invalid calendar spec: %s", optarg);
return r;
}
- free(spec);
+
+ calendar_spec_free(spec);
arg_on_calendar = optarg;
break;
+ }
case ARG_TIMER_PROPERTY:
@@ -389,6 +392,11 @@ static int parse_argv(int argc, char *argv[]) {
return -EINVAL;
}
+ if (arg_pty && arg_transport == BUS_TRANSPORT_REMOTE) {
+ log_error("--pty is only supported when connecting to the local system or containers.");
+ return -EINVAL;
+ }
+
if (arg_scope && with_timer()) {
log_error("Timer options are not supported in --scope mode.");
return -EINVAL;
@@ -707,9 +715,9 @@ static int start_transient_service(
_cleanup_bus_unref_ sd_bus *system_bus = NULL;
const char *s;
- r = sd_bus_open_system(&system_bus);
+ r = sd_bus_default_system(&system_bus);
if (r < 0)
- log_error_errno(r, "Failed to connect to system bus: %m");
+ return log_error_errno(r, "Failed to connect to system bus: %m");
r = sd_bus_call_method(system_bus,
"org.freedesktop.machine1",
@@ -794,10 +802,8 @@ static int start_transient_service(
polkit_agent_open_if_enabled();
r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to start transient service unit: %s", bus_error_message(&error, -r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
if (w) {
const char *object;
diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c b/src/tty-ask-password-agent/tty-ask-password-agent.c
index 5dbc0a9bcc..93cce186f0 100644
--- a/src/tty-ask-password-agent/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent/tty-ask-password-agent.c
@@ -315,6 +315,10 @@ static int parse_password(const char *filename, char **wall) {
tty_fd = acquire_terminal("/dev/console", false, false, false, USEC_INFINITY);
if (tty_fd < 0)
return log_error_errno(tty_fd, "Failed to acquire /dev/console: %m");
+
+ r = reset_terminal_fd(tty_fd, true);
+ if (r < 0)
+ log_warning_errno(r, "Failed to reset terminal, ignoring: %m");
}
r = ask_password_tty(message, NULL, not_after, echo ? ASK_PASSWORD_ECHO : 0, filename, &password);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-16 07:28:31 +0000