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Allow disabling of subordinate IDs.

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* configure.in: Add configure options --enable-subordinate-ids /
	--disable-subordinate-ids. Enabled by default.
	* lib/prototypes.h: Include <config.h> before using its macros.
	* lib/commonio.h, lib/commonio.c: Define commonio_append only when
	ENABLE_SUBIDS is defined.
	* lib/prototypes.h, libmisc/find_new_sub_gids.c,
	libmisc/find_new_sub_uids.c: Likewise.
	* lib/subordinateio.h, lib/subordinateio.c: Likewise.
	* libmisc/user_busy.c: Only check if subordinate IDs are in use if
	ENABLE_SUBIDS is defined.
	* src/Makefile.am: Create newgidmap and newuidmap only if
	ENABLE_SUBIDS is defined.
	* src/newusers.c: Check for ENABLE_SUBIDS to enable support for
	subordinate IDs.
	* src/useradd.c: Likewise.
	* src/userdel.c: Likewise.
	* src/usermod.c: Likewise.
	* man/Makefile.am: Install man1/newgidmap.1, man1/newuidmap.1,
	man5/subgid.5, and man5/subuid.5 only if ENABLE_SUBIDS is defined.
	* man/fr/Makefile.am: Install man1/newgidmap.1, man1/newuidmap.1,
	man5/subgid.5, and man5/subuid.5 (not translated yet).
	* man/generate_mans.mak: Add xsltproc conditionals
	subids/no_subids.
	* man/login.defs.d/SUB_GID_COUNT.xml: Add dependency on subids
	condition.
	* man/login.defs.d/SUB_UID_COUNT.xml: Likewise.
	* man/usermod.8.xml: Document options for subordinate IDs and
	reference subgid(5) / subuid(5) depending on the subids condition.
This commit is contained in:
Nicolas François
2013-08-11 14:54:22 +02:00
parent 1fb1486c8a
commit d611d54ed4
21 changed files with 259 additions and 41 deletions
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4
lib/prototypes.h
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@ -42,6 +42,8 @@
#ifndef _PROTOTYPES_H
#define _PROTOTYPES_H
#include <config.h>
#include <sys/stat.h>
#ifdef USE_UTMPX
#include <utmpx.h>
@ -149,6 +151,7 @@ extern int find_new_uid (bool sys_user,
uid_t *uid,
/*@null@*/uid_t const *preferred_uid);
#ifdef ENABLE_SUBIDS
/* find_new_sub_gids.c */
extern int find_new_sub_gids (const char *owner,
gid_t *range_start, unsigned long *range_count);
@ -156,6 +159,7 @@ extern int find_new_sub_gids (const char *owner,
/* find_new_sub_uids.c */
extern int find_new_sub_uids (const char *owner,
uid_t *range_start, unsigned long *range_count);
#endif /* ENABLE_SUBIDS */
/* get_gid.c */