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execute.c: always set $SHELL

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In e6dca81 $SHELL was added to user@.service. Let's
instead provide it to all units which have a user.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2014-02-23 12:01:35 +00:00
committed by Colin Guthrie
parent a038f23862
commit ead2d686d9
4 changed files with 38 additions and 42 deletions
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TODO
-2
View File
@@ -54,8 +54,6 @@ CGroup Rework Completion:
Features:
* set $SHELL where we set $HOME and $USER when User= is set of a service, drop its manual setting from user@.service
* we probably should replace the left-over uses of strv_append() and replace them by strv_push() or strv_extend()
* move config_parse_path_strv() out of conf-parser.c
man/systemd.exec.xml
+19 -2
View File
@@ -1021,10 +1021,13 @@
<varlistentry>
<term><varname>$USER</varname></term>
<term><varname>$LOGNAME</varname></term>
<term><varname>$HOME</varname></term>
<term><varname>$SHELL</varname></term>
<listitem><para>User name and home
directory. Set for the units which
<listitem><para>User name (twice), home
directory, and the login shell.
Set for the units which
have <varname>User=</varname> set,
which includes user
<command>systemd</command> instances.
@@ -1080,6 +1083,20 @@
<citerefentry><refentrytitle>sd_listen_fds</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>$TERM</varname></term>
<listitem><para>Terminal type, set
only for units connected to a terminal
(<varname>StandardInput=tty</varname>,
<varname>StandardOutput=tty</varname>,
or
<varname>StandardError=tty</varname>).
See
<citerefentry><refentrytitle>termcap</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
</variablelist>
<para>Additional variables may be configured by the
src/core/execute.c
+19 -37
View File
@@ -1094,7 +1094,7 @@ int exec_spawn(ExecCommand *command,
if (pid == 0) {
int i, err;
sigset_t ss;
const char *username = NULL, *home = NULL;
const char *username = NULL, *home = NULL, *shell = NULL;
uid_t uid = (uid_t) -1;
gid_t gid = (gid_t) -1;
_cleanup_strv_free_ char **our_env = NULL, **pam_env = NULL,
@@ -1277,7 +1277,7 @@ int exec_spawn(ExecCommand *command,
if (context->user) {
username = context->user;
err = get_user_creds(&username, &uid, &gid, &home, NULL);
err = get_user_creds(&username, &uid, &gid, &home, &shell);
if (err < 0) {
r = EXIT_USER;
goto fail_child;
@@ -1462,46 +1462,28 @@ int exec_spawn(ExecCommand *command,
}
}
our_env = new0(char*, 7);
if (!our_env) {
our_env = new(char*, 8);
if (!our_env ||
(n_fds > 0 && (
asprintf(our_env + n_env++, "LISTEN_PID=%lu", (unsigned long) getpid()) < 0 ||
asprintf(our_env + n_env++, "LISTEN_FDS=%u", n_fds) < 0)) ||
(home && asprintf(our_env + n_env++, "HOME=%s", home) < 0) ||
(username && (
asprintf(our_env + n_env++, "LOGNAME=%s", username) < 0 ||
asprintf(our_env + n_env++, "USER=%s", username) < 0)) ||
(shell && asprintf(our_env + n_env++, "SHELL=%s", shell) < 0) ||
((is_terminal_input(context->std_input) ||
context->std_output == EXEC_OUTPUT_TTY ||
context->std_error == EXEC_OUTPUT_TTY) && (
!(our_env[n_env++] = strdup(default_term_for_tty(tty_path(context))))))) {
err = -ENOMEM;
r = EXIT_MEMORY;
goto fail_child;
}
if (n_fds > 0)
if (asprintf(our_env + n_env++, "LISTEN_PID=%lu", (unsigned long) getpid()) < 0 ||
asprintf(our_env + n_env++, "LISTEN_FDS=%u", n_fds) < 0) {
err = -ENOMEM;
r = EXIT_MEMORY;
goto fail_child;
}
if (home)
if (asprintf(our_env + n_env++, "HOME=%s", home) < 0) {
err = -ENOMEM;
r = EXIT_MEMORY;
goto fail_child;
}
if (username)
if (asprintf(our_env + n_env++, "LOGNAME=%s", username) < 0 ||
asprintf(our_env + n_env++, "USER=%s", username) < 0) {
err = -ENOMEM;
r = EXIT_MEMORY;
goto fail_child;
}
if (is_terminal_input(context->std_input) ||
context->std_output == EXEC_OUTPUT_TTY ||
context->std_error == EXEC_OUTPUT_TTY)
if (!(our_env[n_env++] = strdup(default_term_for_tty(tty_path(context))))) {
err = -ENOMEM;
r = EXIT_MEMORY;
goto fail_child;
}
assert(n_env <= 7);
our_env[n_env++] = NULL;
assert(n_env <= 8);
final_env = strv_env_merge(5,
environment,
units/user@.service.in
-1
View File
@@ -13,7 +13,6 @@ After=systemd-user-sessions.service
User=%I
PAMName=systemd-user
Type=notify
Environment=SHELL=%s
ExecStart=-@rootlibexecdir@/systemd --user
Environment=DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/%I/dbus/user_bus_socket
Slice=user-%i.slice