nspawn: handle poweroff/reboot nicely in containers

[elogind.git] / src / shared / util.c

diff --git a/src/shared/util.c b/src/shared/util.c
index e615195af580711d4c919ad4461325612c6e9f80..4f5cb26e3c34926bd0c409408b9a50683b492d4f 100644 (file)
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -1800,7 +1800,7 @@ char *ascii_strlower(char *t) {
         return t;
 }
 
-bool ignore_file(const char *filename) {
+static bool ignore_file_allow_backup(const char *filename) {
         assert(filename);
 
         return
@@ -1808,7 +1808,6 @@ bool ignore_file(const char *filename) {
                 streq(filename, "lost+found") ||
                 streq(filename, "aquota.user") ||
                 streq(filename, "aquota.group") ||
-                endswith(filename, "~") ||
                 endswith(filename, ".rpmnew") ||
                 endswith(filename, ".rpmsave") ||
                 endswith(filename, ".rpmorig") ||
@@ -1817,6 +1816,15 @@ bool ignore_file(const char *filename) {
                 endswith(filename, ".swp");
 }
 
+bool ignore_file(const char *filename) {
+        assert(filename);
+
+        if (endswith(filename, "~"))
+                return false;
+
+        return ignore_file_allow_backup(filename);
+}
+
 int fd_nonblock(int fd, bool nonblock) {
         int flags;
 
@@ -3089,7 +3097,6 @@ bool hostname_is_set(void) {
         return !isempty(u.nodename) && !streq(u.nodename, "(none)");
 }
 
-
 static char *lookup_uid(uid_t uid) {
         long bufsize;
         char *buf, *name;
@@ -4004,7 +4011,8 @@ int wait_for_terminate_and_warn(const char *name, pid_t pid) {
         assert(name);
         assert(pid > 1);
 
-        if ((r = wait_for_terminate(pid, &status)) < 0) {
+        r = wait_for_terminate(pid, &status);
+        if (r < 0) {
                 log_warning("Failed to wait for %s: %s", name, strerror(-r));
                 return r;
         }
@@ -4027,7 +4035,6 @@ int wait_for_terminate_and_warn(const char *name, pid_t pid) {
 
         log_warning("%s failed due to unknown reason.", name);
         return -EPROTO;
-
 }
 
 _noreturn_ void freeze(void) {
@@ -4119,52 +4126,44 @@ void dual_timestamp_deserialize(const char *value, dual_timestamp *t) {
         }
 }
 
-char *fstab_node_to_udev_node(const char *p) {
+static char *tag_to_udev_node(const char *tagvalue, const char *by) {
         char *dn, *t, *u;
         int r;
 
         /* FIXME: to follow udev's logic 100% we need to leave valid
          * UTF8 chars unescaped */
 
-        if (startswith(p, "LABEL=")) {
-
-                if (!(u = unquote(p+6, "\"\'")))
-                        return NULL;
-
-                t = xescape(u, "/ ");
-                free(u);
-
-                if (!t)
-                        return NULL;
+        u = unquote(tagvalue, "\"\'");
+        if (u == NULL)
+                return NULL;
 
-                r = asprintf(&dn, "/dev/disk/by-label/%s", t);
-                free(t);
+        t = xescape(u, "/ ");
+        free(u);
 
-                if (r < 0)
-                        return NULL;
-
-                return dn;
-        }
+        if (t == NULL)
+                return NULL;
 
-        if (startswith(p, "UUID=")) {
+        r = asprintf(&dn, "/dev/disk/by-%s/%s", by, t);
+        free(t);
 
-                if (!(u = unquote(p+5, "\"\'")))
-                        return NULL;
+        if (r < 0)
+                return NULL;
 
-                t = xescape(u, "/ ");
-                free(u);
+        return dn;
+}
 
-                if (!t)
-                        return NULL;
+char *fstab_node_to_udev_node(const char *p) {
+        if (startswith(p, "LABEL="))
+                return tag_to_udev_node(p+6, "label");
 
-                r = asprintf(&dn, "/dev/disk/by-uuid/%s", t);
-                free(t);
+        if (startswith(p, "UUID="))
+                return tag_to_udev_node(p+5, "uuid");
 
-                if (r < 0)
-                        return NULL;
+        if (startswith(p, "PARTUUID="))
+                return tag_to_udev_node(p+9, "partuuid");
 
-                return dn;
-        }
+        if (startswith(p, "PARTLABEL="))
+                return tag_to_udev_node(p+10, "partlabel");
 
         return strdup(p);
 }
@@ -4263,7 +4262,12 @@ bool dirent_is_file(const struct dirent *de) {
 bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) {
         assert(de);
 
-        if (!dirent_is_file(de))
+        if (de->d_type != DT_REG &&
+            de->d_type != DT_LNK &&
+            de->d_type != DT_UNKNOWN)
+                return false;
+
+        if (ignore_file_allow_backup(de->d_name))
                 return false;
 
         return endswith(de->d_name, suffix);
@@ -4357,7 +4361,7 @@ void execute_directory(const char *directory, DIR *d, char *argv[]) {
                 }
 
                 if ((path = hashmap_remove(pids, UINT_TO_PTR(si.si_pid)))) {
-                        if (!is_clean_exit(si.si_code, si.si_status)) {
+                        if (!is_clean_exit(si.si_code, si.si_status, NULL)) {
                                 if (si.si_code == CLD_EXITED)
                                         log_error("%s exited with exit status %i.", path, si.si_status);
                                 else
@@ -4405,134 +4409,6 @@ bool plymouth_running(void) {
         return access("/run/plymouth/pid", F_OK) >= 0;
 }
 
-void parse_syslog_priority(char **p, int *priority) {
-        int a = 0, b = 0, c = 0;
-        int k;
-
-        assert(p);
-        assert(*p);
-        assert(priority);
-
-        if ((*p)[0] != '<')
-                return;
-
-        if (!strchr(*p, '>'))
-                return;
-
-        if ((*p)[2] == '>') {
-                c = undecchar((*p)[1]);
-                k = 3;
-        } else if ((*p)[3] == '>') {
-                b = undecchar((*p)[1]);
-                c = undecchar((*p)[2]);
-                k = 4;
-        } else if ((*p)[4] == '>') {
-                a = undecchar((*p)[1]);
-                b = undecchar((*p)[2]);
-                c = undecchar((*p)[3]);
-                k = 5;
-        } else
-                return;
-
-        if (a < 0 || b < 0 || c < 0)
-                return;
-
-        *priority = a*100+b*10+c;
-        *p += k;
-}
-
-void skip_syslog_pid(char **buf) {
-        char *p;
-
-        assert(buf);
-        assert(*buf);
-
-        p = *buf;
-
-        if (*p != '[')
-                return;
-
-        p++;
-        p += strspn(p, "0123456789");
-
-        if (*p != ']')
-                return;
-
-        p++;
-
-        *buf = p;
-}
-
-void skip_syslog_date(char **buf) {
-        enum {
-                LETTER,
-                SPACE,
-                NUMBER,
-                SPACE_OR_NUMBER,
-                COLON
-        } sequence[] = {
-                LETTER, LETTER, LETTER,
-                SPACE,
-                SPACE_OR_NUMBER, NUMBER,
-                SPACE,
-                SPACE_OR_NUMBER, NUMBER,
-                COLON,
-                SPACE_OR_NUMBER, NUMBER,
-                COLON,
-                SPACE_OR_NUMBER, NUMBER,
-                SPACE
-        };
-
-        char *p;
-        unsigned i;
-
-        assert(buf);
-        assert(*buf);
-
-        p = *buf;
-
-        for (i = 0; i < ELEMENTSOF(sequence); i++, p++) {
-
-                if (!*p)
-                        return;
-
-                switch (sequence[i]) {
-
-                case SPACE:
-                        if (*p != ' ')
-                                return;
-                        break;
-
-                case SPACE_OR_NUMBER:
-                        if (*p == ' ')
-                                break;
-
-                        /* fall through */
-
-                case NUMBER:
-                        if (*p < '0' || *p > '9')
-                                return;
-
-                        break;
-
-                case LETTER:
-                        if (!(*p >= 'A' && *p <= 'Z') &&
-                            !(*p >= 'a' && *p <= 'z'))
-                                return;
-
-                        break;
-
-                case COLON:
-                        if (*p != ':')
-                                return;
-                        break;
-
-                }
-        }
-
-        *buf = p;
-}
-
 char* strshorten(char *s, size_t l) {
         assert(s);