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execute: move suppression of HOME=/ and SHELL=/bin/nologin into user-util.c

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This adds a new call get_user_creds_clean(), which is just like
get_user_creds() but returns NULL in the home/shell parameters if they contain
no useful information. This code previously lived in execute.c, but by
generalizing this we can reuse it in run.c.
This commit is contained in:
Lennart Poettering
2016-09-25 10:18:57 +02:00
committed by Djalal Harouni
parent 07689d5d2c
commit be39ccf3a0
4 changed files with 46 additions and 19 deletions
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src/basic/user-util.h
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@@ -40,6 +40,7 @@ char* getlogname_malloc(void);
char* getusername_malloc(void);
int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
int get_user_creds_clean(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell);
int get_group_creds(const char **groupname, gid_t *gid);
char* uid_to_name(uid_t uid);