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From 6751217a032dd1a8e8ee324332f29786265f0ebe Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Tue, 2 Feb 2021 15:27:30 +0100
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Subject: [PATCH] logind: simplify flags handling a bit
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Let's split out the two codepaths a bit, and emphasize which ones it the
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new-style and which the old-style codepath, and let's clearly convert
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the params of the old-stye into the new style for further processing, so
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that the old style path is brief and isolated.
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No change in behaviour.
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Follow-up for: 8885fed4e3a52cf1bf105e42043203c485ed9d92
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(cherry picked from commit d3e99bc0c7f785dcf4e73cfed12f74002e73be5f)
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Related: #1269726
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---
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src/login/logind-dbus.c | 30 ++++++++++++++++++------------
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1 file changed, 18 insertions(+), 12 deletions(-)
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diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
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index 0c43fbb3e0..ae9abc9bce 100644
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--- a/src/login/logind-dbus.c
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+++ b/src/login/logind-dbus.c
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@@ -1776,8 +1776,8 @@ static int method_do_shutdown_or_sleep(
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bool with_flags,
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sd_bus_error *error) {
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- int interactive = false, r;
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- uint64_t flags = 0;
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+ uint64_t flags;
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+ int r;
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assert(m);
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assert(message);
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@@ -1785,19 +1785,25 @@ static int method_do_shutdown_or_sleep(
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assert(w >= 0);
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assert(w <= _INHIBIT_WHAT_MAX);
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- if (with_flags)
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+ if (with_flags) {
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+ /* New style method: with flags parameter (and interactive bool in the bus message header) */
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r = sd_bus_message_read(message, "t", &flags);
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- else
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- r = sd_bus_message_read(message, "b", &interactive);
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-
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- if (r < 0)
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- return r;
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+ if (r < 0)
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+ return r;
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+ if ((flags & ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC) != 0)
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+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter");
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+ } else {
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+ /* Old style method: no flags parameter, but interactive bool passed as boolean in
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+ * payload. Let's convert this argument to the new-style flags parameter for our internal
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+ * use. */
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+ int interactive;
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- if (with_flags && (flags & ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC))
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- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS,
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- "Invalid flags parameter");
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+ r = sd_bus_message_read(message, "b", &interactive);
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+ if (r < 0)
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+ return r;
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- SET_FLAG(flags, SD_LOGIND_INTERACTIVE, interactive);
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+ flags = interactive ? SD_LOGIND_INTERACTIVE : 0;
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+ }
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/* Don't allow multiple jobs being executed at the same time */
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if (m->action_what)
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