util: make use of get_user_creds() and get_group_creds() wherever applicable

[elogind.git] / src / util.h

diff --git a/src/util.h b/src/util.h
index e9ad881e9cd50c356e019dae532296061dff5b2c..bf5703c5aa310290199704eda0ed50f1dbc00463 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -25,6 +25,7 @@
 #include <inttypes.h>
 #include <time.h>
 #include <sys/time.h>
+#include <stdarg.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -74,6 +75,7 @@ typedef struct dual_timestamp {
 usec_t now(clockid_t clock);
 
 dual_timestamp* dual_timestamp_get(dual_timestamp *ts);
+dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
 
 #define dual_timestamp_is_set(ts) ((ts)->realtime > 0)
 
@@ -83,6 +85,9 @@ struct timespec *timespec_store(struct timespec *ts, usec_t u);
 usec_t timeval_load(const struct timeval *tv);
 struct timeval *timeval_store(struct timeval *tv, usec_t u);
 
+size_t page_size(void);
+#define PAGE_ALIGN(l) ALIGN_TO((l), page_size())
+
 #define streq(a,b) (strcmp((a),(b)) == 0)
 #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0)
 
@@ -114,6 +119,10 @@ static inline bool is_path_absolute(const char *p) {
         return *p == '/';
 }
 
+static inline bool isempty(const char *p) {
+        return !p || !p[0];
+}
+
 bool endswith(const char *s, const char *postfix);
 bool startswith(const char *s, const char *prefix);
 bool startswith_no_case(const char *s, const char *prefix);
@@ -127,6 +136,8 @@ void close_many(const int fds[], unsigned n_fd);
 int parse_boolean(const char *v);
 int parse_usec(const char *t, usec_t *usec);
 int parse_pid(const char *s, pid_t* ret_pid);
+int parse_uid(const char *s, uid_t* ret_uid);
+#define parse_gid(s, ret_uid) parse_uid(s, ret_uid)
 
 int safe_atou(const char *s, unsigned *ret_u);
 int safe_atoi(const char *s, int *ret_i);
@@ -189,12 +200,16 @@ char *split_quoted(const char *c, size_t *l, char **state);
 char **split_path_and_make_absolute(const char *p);
 
 pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
+int get_starttime_of_pid(pid_t pid, unsigned long long *st);
 
 int write_one_line_file(const char *fn, const char *line);
+int write_one_line_file_atomic(const char *fn, const char *line);
 int read_one_line_file(const char *fn, char **line);
-int read_full_file(const char *fn, char **contents);
+int read_full_file(const char *fn, char **contents, size_t *size);
 
 int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
+int load_env_file(const char *fname, char ***l);
+int write_env_file(const char *fname, char **l);
 
 char *strappend(const char *s, const char *suffix);
 char *strnappend(const char *s, const char *suffix, size_t length);
@@ -204,6 +219,7 @@ char **replace_env_argv(char **argv, char **env);
 
 int readlink_malloc(const char *p, char **r);
 int readlink_and_make_absolute(const char *p, char **r);
+int readlink_and_canonicalize(const char *p, char **r);
 
 char *file_name_from_path(const char *p);
 bool is_path(const char *p);
@@ -214,6 +230,7 @@ char *path_make_absolute_cwd(const char *p);
 
 char **strv_path_make_absolute_cwd(char **l);
 char **strv_path_canonicalize(char **l);
+char **strv_path_remove_empty(char **l);
 
 int reset_all_signal_handlers(void);
 
@@ -256,6 +273,7 @@ bool path_equal(const char *a, const char *b);
 
 char *ascii_strlower(char *path);
 
+bool dirent_is_file(struct dirent *de);
 bool ignore_file(const char *filename);
 
 bool chars_intersect(const char *a, const char *b);
@@ -267,9 +285,6 @@ char *format_timespan(char *buf, size_t l, usec_t t);
 int make_stdio(int fd);
 int make_null_stdio(void);
 
-bool is_clean_exit(int code, int status);
-bool is_clean_exit_lsb(int code, int status);
-
 unsigned long long random_ull(void);
 
 #define DEFINE_STRING_TABLE_LOOKUP(name,type)                           \
@@ -306,7 +321,9 @@ int chvt(int vt);
 int read_one_char(FILE *f, char *ret, bool *need_nl);
 int ask(char *ret, const char *replies, const char *text, ...);
 
-int reset_terminal(int fd);
+int reset_terminal_fd(int fd);
+int reset_terminal(const char *name);
+
 int open_terminal(const char *name, int mode);
 int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm);
 int release_terminal(void);
@@ -318,6 +335,7 @@ int default_signals(int sig, ...);
 int sigaction_many(const struct sigaction *sa, ...);
 
 int close_pipe(int p[]);
+int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
 
 ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
 ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
@@ -334,12 +352,19 @@ void sigset_add_many(sigset_t *ss, ...);
 
 char* gethostname_malloc(void);
 char* getlogname_malloc(void);
-int getttyname_malloc(char **r);
+
+int getttyname_malloc(int fd, char **r);
+int getttyname_harder(int fd, char **r);
+
+int get_ctty_devnr(pid_t pid, dev_t *d);
+int get_ctty(pid_t, dev_t *_devnr, char **r);
 
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
 
 int rm_rf(const char *path, bool only_dirs, bool delete_root);
 
+int pipe_eof(int fd);
+
 cpu_set_t* cpu_set_malloc(unsigned *ncpus);
 
 void status_vprintf(const char *format, va_list ap);
@@ -363,6 +388,7 @@ int wait_for_terminate_and_warn(const char *name, pid_t pid);
 _noreturn_ void freeze(void);
 
 bool null_or_empty(struct stat *st);
+int null_or_empty_path(const char *fn);
 
 DIR *xopendirat(int dirfd, const char *name, int flags);
 
@@ -373,8 +399,65 @@ char *fstab_node_to_udev_node(const char *p);
 
 void filter_environ(const char *prefix);
 
+bool tty_is_vc(const char *tty);
+int vtnr_from_tty(const char *tty);
 const char *default_term_for_tty(const char *tty);
 
+int detect_vm(const char **id);
+int detect_container(const char **id);
+int detect_virtualization(const char **id);
+
+void execute_directory(const char *directory, DIR *_d, char *argv[]);
+
+int kill_and_sigcont(pid_t pid, int sig);
+
+bool nulstr_contains(const char*nulstr, const char *needle);
+
+bool plymouth_running(void);
+
+void parse_syslog_priority(char **p, int *priority);
+
+int have_effective_cap(int value);
+
+bool hostname_is_valid(const char *s);
+char* hostname_cleanup(char *s);
+
+char* strshorten(char *s, size_t l);
+
+int terminal_vhangup_fd(int fd);
+int terminal_vhangup(const char *name);
+
+int vt_disallocate(const char *name);
+
+int copy_file(const char *from, const char *to);
+int symlink_or_copy(const char *from, const char *to);
+int symlink_or_copy_atomic(const char *from, const char *to);
+
+int fchmod_umask(int fd, mode_t mode);
+
+int conf_files_list(char ***strv, const char *suffix, const char *dir, ...);
+
+int hwclock_is_localtime(void);
+int hwclock_apply_localtime_delta(int *min);
+int hwclock_reset_localtime_delta(void);
+int hwclock_get_time(struct tm *tm);
+int hwclock_set_time(const struct tm *tm);
+
+int audit_session_from_pid(pid_t pid, uint32_t *id);
+
+bool display_is_local(const char *display);
+int socket_from_display(const char *display, char **path);
+
+int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home);
+int get_group_creds(const char **groupname, gid_t *gid);
+
+int glob_exists(const char *path);
+
+int dirent_ensure_type(DIR *d, struct dirent *de);
+
+int in_search_path(const char *path, char **search);
+int get_files_in_directory(const char *path, char ***list);
+
 #define NULSTR_FOREACH(i, l)                                    \
         for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
 
@@ -387,8 +470,8 @@ int ioprio_class_from_string(const char *s);
 const char *sigchld_code_to_string(int i);
 int sigchld_code_from_string(const char *s);
 
-const char *log_facility_to_string(int i);
-int log_facility_from_string(const char *s);
+const char *log_facility_unshifted_to_string(int i);
+int log_facility_unshifted_from_string(const char *s);
 
 const char *log_level_to_string(int i);
 int log_level_from_string(const char *s);
@@ -407,4 +490,7 @@ int signal_from_string(const char *s);
 
 int signal_from_string_try_harder(const char *s);
 
+extern int saved_argc;
+extern char **saved_argv;
+
 #endif