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nss: only read logging config from environment variables

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log_parse_environment() uses should_parse_proc_cmdline() to determine whether
it should parse settings from the kernel command line. But the checks that
should_parse_proc_cmdline() apply to the whole process, and we could get a positive
answer also when log_parse_environment() was called from one of the nss modules.
In case of nss-modules, we don't want to look at the kernel command line.

log_parse_environment_variables() that only looks at the environment variables
is split out and used in the nss modules.

Fixes #22020.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2022-01-11 13:36:39 +01:00
parent 56a5f4969b
commit a7d15a2465
5 changed files with 14 additions and 9 deletions
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src/basic/log.h
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@@ -82,6 +82,7 @@ int log_open(void);
void log_close(void);
void log_forget_fds(void);
void log_parse_environment_variables(void);
void log_parse_environment(void);
int log_dispatch_internal(