X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Frunas.hpp;fp=src%2Fcommon%2Frunas.hpp;h=1732286b8ed631f4e5585f37e8f3e27bb030c9cc;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hp=0000000000000000000000000000000000000000;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c;p=lttng-tools.git

diff --git a/src/common/runas.hpp b/src/common/runas.hpp
new file mode 100644
index 000000000..1732286b8
--- /dev/null
+++ b/src/common/runas.hpp
@@ -0,0 +1,64 @@
+#ifndef _RUNAS_H
+#define _RUNAS_H
+
+/*
+ * Copyright (C) 2011 EfficiOS Inc.
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <common/macros.hpp>
+#include <common/sessiond-comm/sessiond-comm.hpp>
+
+/*
+ * The run-as process is launched by forking without an exec*() call. This means
+ * that any resource allocated before the run-as worker is launched should be
+ * cleaned-up after the fork(). This callback allows the user to perform this
+ * clean-up.
+ *
+ * Note that the callback will _not_ be invoked if the LTTNG_DEBUG_NOCLONE
+ * environment variable is set as the clean-up is not needed (and may not be
+ * expected).
+ *
+ * A negative return value will cause the run-as process to exit with a non-zero
+ * value.
+ */
+typedef int (*post_fork_cleanup_cb)(void *user_data);
+
+int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid);
+int run_as_mkdirat_recursive(int dirfd, const char *path, mode_t mode,
+		uid_t uid, gid_t gid);
+int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid);
+int run_as_mkdirat(int dirfd, const char *path, mode_t mode,
+		uid_t uid, gid_t gid);
+int run_as_open(const char *path, int flags, mode_t mode, uid_t uid, gid_t gid);
+int run_as_openat(int dirfd, const char *filename, int flags, mode_t mode,
+		uid_t uid, gid_t gid);
+int run_as_unlink(const char *path, uid_t uid, gid_t gid);
+int run_as_unlinkat(int dirfd, const char *filename, uid_t uid, gid_t gid);
+int run_as_rmdir(const char *path, uid_t uid, gid_t gid);
+int run_as_rmdir_recursive(const char *path, uid_t uid, gid_t gid, int flags);
+int run_as_rmdirat(int dirfd, const char *path, uid_t uid, gid_t gid);
+int run_as_rmdirat_recursive(int dirfd, const char *path, uid_t uid, gid_t gid, int flags);
+int run_as_rename(const char *old_name, const char *new_name, uid_t uid, gid_t gid);
+int run_as_renameat(int old_dirfd, const char *old_name,
+		int new_dirfd, const char *new_name, uid_t uid, gid_t gid);
+int run_as_extract_elf_symbol_offset(int fd, const char* function,
+		uid_t uid, gid_t gid, uint64_t *offset);
+int run_as_extract_sdt_probe_offsets(int fd, const char *provider_name,
+		const char* probe_name, uid_t uid, gid_t gid,
+		uint64_t **offsets, uint32_t *num_offset);
+int run_as_generate_filter_bytecode(const char *filter_expression,
+		const struct lttng_credentials *creds,
+		struct lttng_bytecode **bytecode);
+int run_as_create_worker(const char *procname,
+		post_fork_cleanup_cb clean_up_func, void *clean_up_user_data);
+void run_as_destroy_worker(void);
+
+#endif /* _RUNAS_H */