f93cf255d4
Closes #238 Update all files to list SPDX license shortname. Most files are BSD 3 clause license. The exceptions are: serge@sl ~/src/shadow$ git grep SPDX-License | grep -v BSD-3-Clause contrib/atudel:# SPDX-License-Identifier: BSD-4-Clause lib/tcbfuncs.c: * SPDX-License-Identifier: 0BSD libmisc/salt.c: * SPDX-License-Identifier: Unlicense src/login_nopam.c: * SPDX-License-Identifier: Unlicense src/nologin.c: * SPDX-License-Identifier: BSD-2-Clause src/vipw.c: * SPDX-License-Identifier: GPL-2.0-or-later Signed-off-by: Serge Hallyn <serge@hallyn.com>
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2020 Serge Hallyn
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <config.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pwd.h>
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#include <stdbool.h>
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#include "subordinateio.h"
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#include "idmapping.h"
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#include "subid.h"
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static const char *Prog = "(libsubid)";
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static FILE *shadow_logfd;
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bool libsubid_init(const char *progname, FILE * logfd)
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{
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if (progname) {
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progname = strdup(progname);
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if (progname)
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Prog = progname;
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else
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return false;
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}
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if (logfd) {
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shadow_logfd = logfd;
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return true;
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}
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shadow_logfd = fopen("/dev/null", "w");
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if (!shadow_logfd) {
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shadow_logfd = stderr;
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return false;
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}
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return true;
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}
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static
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int get_subid_ranges(const char *owner, enum subid_type id_type, struct subid_range **ranges)
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{
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return list_owner_ranges(owner, id_type, ranges);
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}
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int get_subuid_ranges(const char *owner, struct subid_range **ranges)
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{
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return get_subid_ranges(owner, ID_TYPE_UID, ranges);
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}
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int get_subgid_ranges(const char *owner, struct subid_range **ranges)
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{
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return get_subid_ranges(owner, ID_TYPE_GID, ranges);
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}
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static
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int get_subid_owner(unsigned long id, enum subid_type id_type, uid_t **owner)
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{
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return find_subid_owners(id, id_type, owner);
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}
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int get_subuid_owners(uid_t uid, uid_t **owner)
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{
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return get_subid_owner((unsigned long)uid, ID_TYPE_UID, owner);
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}
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int get_subgid_owners(gid_t gid, uid_t **owner)
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{
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return get_subid_owner((unsigned long)gid, ID_TYPE_GID, owner);
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}
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static
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bool grant_subid_range(struct subordinate_range *range, bool reuse,
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enum subid_type id_type)
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{
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return new_subid_range(range, id_type, reuse);
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}
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bool grant_subuid_range(struct subordinate_range *range, bool reuse)
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{
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return grant_subid_range(range, reuse, ID_TYPE_UID);
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}
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bool grant_subgid_range(struct subordinate_range *range, bool reuse)
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{
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return grant_subid_range(range, reuse, ID_TYPE_GID);
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}
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static
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bool ungrant_subid_range(struct subordinate_range *range, enum subid_type id_type)
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{
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return release_subid_range(range, id_type);
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}
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bool ungrant_subuid_range(struct subordinate_range *range)
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{
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return ungrant_subid_range(range, ID_TYPE_UID);
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}
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bool ungrant_subgid_range(struct subordinate_range *range)
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{
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return ungrant_subid_range(range, ID_TYPE_GID);
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}
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