Fix: rmdir recursive: skip non-empty directories with flag
[lttng-tools.git] / src / common / runas.h
1 #ifndef _RUNAS_H
2 #define _RUNAS_H
3
4 /*
5 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
6 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License, version 2 only,
10 * as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include <stdint.h>
23 #include <sys/types.h>
24 #include <unistd.h>
25
26 #include <common/macros.h>
27
28 /*
29 * The run-as process is launched by forking without an exec*() call. This means
30 * that any resource allocated before the run-as worker is launched should be
31 * cleaned-up after the fork(). This callback allows the user to perform this
32 * clean-up.
33 *
34 * Note that the callback will _not_ be invoked if the LTTNG_DEBUG_NOCLONE
35 * environment variable is set as the clean-up is not needed (and may not be
36 * expected).
37 *
38 * A negative return value will cause the run-as process to exit with a non-zero
39 * value.
40 */
41 typedef int (*post_fork_cleanup_cb)(void *user_data);
42
43 LTTNG_HIDDEN
44 int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid);
45 LTTNG_HIDDEN
46 int run_as_mkdirat_recursive(int dirfd, const char *path, mode_t mode,
47 uid_t uid, gid_t gid);
48 LTTNG_HIDDEN
49 int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid);
50 LTTNG_HIDDEN
51 int run_as_mkdirat(int dirfd, const char *path, mode_t mode,
52 uid_t uid, gid_t gid);
53 LTTNG_HIDDEN
54 int run_as_open(const char *path, int flags, mode_t mode, uid_t uid, gid_t gid);
55 LTTNG_HIDDEN
56 int run_as_openat(int dirfd, const char *filename, int flags, mode_t mode,
57 uid_t uid, gid_t gid);
58 LTTNG_HIDDEN
59 int run_as_unlink(const char *path, uid_t uid, gid_t gid);
60 LTTNG_HIDDEN
61 int run_as_unlinkat(int dirfd, const char *filename, uid_t uid, gid_t gid);
62 LTTNG_HIDDEN
63 int run_as_rmdir(const char *path, uid_t uid, gid_t gid);
64 LTTNG_HIDDEN
65 int run_as_rmdir_recursive(const char *path, uid_t uid, gid_t gid, int flags);
66 LTTNG_HIDDEN
67 int run_as_rmdirat(int dirfd, const char *path, uid_t uid, gid_t gid);
68 LTTNG_HIDDEN
69 int run_as_rmdirat_recursive(int dirfd, const char *path, uid_t uid, gid_t gid, int flags);
70 LTTNG_HIDDEN
71 int run_as_rename(const char *old, const char *new, uid_t uid, gid_t gid);
72 LTTNG_HIDDEN
73 int run_as_renameat(int old_dirfd, const char *old,
74 int new_dirfd, const char *new, uid_t uid, gid_t gid);
75 LTTNG_HIDDEN
76 int run_as_extract_elf_symbol_offset(int fd, const char* function,
77 uid_t uid, gid_t gid, uint64_t *offset);
78 LTTNG_HIDDEN
79 int run_as_extract_sdt_probe_offsets(int fd, const char *provider_name,
80 const char* probe_name, uid_t uid, gid_t gid,
81 uint64_t **offsets, uint32_t *num_offset);
82 LTTNG_HIDDEN
83 int run_as_create_worker(const char *procname,
84 post_fork_cleanup_cb clean_up_func, void *clean_up_user_data);
85 LTTNG_HIDDEN
86 void run_as_destroy_worker(void);
87
88 #endif /* _RUNAS_H */
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