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40 lines
1.8 KiB
40 lines
1.8 KiB
8 months ago
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From 71ebbd2da606c9cb4da694bbcc925078f253f496 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Wed, 6 Oct 2021 00:19:41 +0900
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Subject: [PATCH] core/service: also check path in exec commands
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(cherry picked from commit 8688a389cabdff61efe187bb85cc1776de03c460)
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Related: #2020239
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---
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src/core/service.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/src/core/service.c b/src/core/service.c
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index 12adf89dd4..ae31973774 100644
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--- a/src/core/service.c
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+++ b/src/core/service.c
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@@ -539,13 +539,21 @@ static int service_verify(Service *s) {
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for (ServiceExecCommand c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
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ExecCommand *command;
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- LIST_FOREACH(command, command, s->exec_command[c])
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+ LIST_FOREACH(command, command, s->exec_command[c]) {
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+ if (!path_is_absolute(command->path) && !filename_is_valid(command->path)) {
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+ log_unit_error(UNIT(s),
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+ "Service %s= binary path \"%s\" is neither a valid executable name nor an absolute path. Refusing.",
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+ command->path,
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+ service_exec_command_to_string(c));
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+ return -ENOEXEC;
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+ }
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if (strv_isempty(command->argv)) {
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log_unit_error(UNIT(s),
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"Service has an empty argv in %s=. Refusing.",
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service_exec_command_to_string(c));
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return -ENOEXEC;
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}
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+ }
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}
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if (!s->exec_command[SERVICE_EXEC_START] && !s->exec_command[SERVICE_EXEC_STOP]) {
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