***/
#include <endian.h>
-#include <stdlib.h>
-#include <unistd.h>
#include <netdb.h>
#include <poll.h>
-#include <sys/mman.h>
#include <pthread.h>
-
-#include "util.h"
-#include "macro.h"
-#include "strv.h"
-#include "missing.h"
-#include "def.h"
-#include "cgroup-util.h"
-#include "hostname-util.h"
-#include "bus-label.h"
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "bus-container.h"
+#include "bus-control.h"
#include "bus-internal.h"
-#include "bus-message.h"
-#include "bus-type.h"
-#include "bus-socket.h"
#include "bus-kernel.h"
-#include "bus-control.h"
+#include "bus-label.h"
+#include "bus-message.h"
#include "bus-objects.h"
-#include "bus-util.h"
-#include "bus-container.h"
#include "bus-protocol.h"
-#include "bus-track.h"
#include "bus-slot.h"
+#include "bus-socket.h"
+#include "bus-track.h"
+#include "bus-type.h"
+#include "bus-util.h"
+#include "cgroup-util.h"
+#include "def.h"
+#include "fd-util.h"
+#include "hexdecoct.h"
+#include "hostname-util.h"
+#include "macro.h"
+#include "missing.h"
+#include "parse-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "util.h"
#define log_debug_bus_message(m) \
do { \
static int attach_io_events(sd_bus *b);
static void detach_io_events(sd_bus *b);
+static thread_local sd_bus *default_system_bus = NULL;
+// UNNEEDED static thread_local sd_bus *default_user_bus = NULL;
+static thread_local sd_bus *default_starter_bus = NULL;
+
static void bus_close_fds(sd_bus *b) {
assert(b);
return 0;
}
-#endif // 0
_public_ int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t mask) {
uint64_t new_flags;
return 0;
}
-/// UNNEEDED by elogind
-#if 0
_public_ int sd_bus_set_anonymous(sd_bus *bus, int b) {
assert_return(bus, -EINVAL);
assert_return(bus->state == BUS_UNSET, -EPERM);
b->machine = machine;
machine = NULL;
} else {
- free(b->machine);
- b->machine = NULL;
+ b->machine = mfree(b->machine);
}
if (pid) {
b->machine = machine;
machine = NULL;
} else {
- free(b->machine);
- b->machine = NULL;
+ b->machine = mfree(b->machine);
}
if (pid) {
if (b->exec_path)
r = bus_socket_exec(b);
-
else if ((b->nspid > 0 || b->machine) && b->kernel) {
r = bus_container_connect_kernel(b);
if (r < 0 && !IN_SET(r, -ENOENT, -ESOCKTNOSUPPORT))
r = bus_socket_connect(b);
else
skipped = true;
-
} else
skipped = true;
if (e) {
if (streq(e, "system"))
return sd_bus_open_system(ret);
+/// elogind does not support systemd units
+#if 0
else if (STR_IN_SET(e, "session", "user"))
return sd_bus_open_user(ret);
+#endif // 0
}
e = secure_getenv("DBUS_STARTER_ADDRESS");
if (!e) {
+/// elogind does not support systemd units
+#if 0
if (cg_pid_get_owner_uid(0, NULL) >= 0)
return sd_bus_open_user(ret);
else
+#endif // 0
return sd_bus_open_system(ret);
}
return r;
}
+/// elogind can not open/use a user bus
+#if 0
int bus_set_address_user(sd_bus *b) {
const char *e;
uid_t uid;
return 0;
}
+#endif // 0
_public_ int sd_bus_open_user(sd_bus **ret) {
+/// elogind does not support user buses
+#if 0
sd_bus *b;
int r;
fail:
bus_free(b);
return r;
+#else
+ return sd_bus_open_system(ret);
+#endif // 0
}
int bus_set_address_system_remote(sd_bus *b, const char *host) {
return bus_send_internal(bus, m, cookie, false);
}
+/// UNNEEDED by elogind
+#if 0
_public_ int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie) {
int r;
return sd_bus_send(bus, m, cookie);
}
+#endif // 0
static usec_t calc_elapse(uint64_t usec) {
if (usec == (uint64_t) -1)
return sd_bus_error_set_errno(error, r);
}
+/// UNNEEDED by elogind
+#if 0
_public_ int sd_bus_get_fd(sd_bus *bus) {
assert_return(bus, -EINVAL);
return bus->input_fd;
}
+#endif // 0
_public_ int sd_bus_get_events(sd_bus *bus) {
int flags = 0;
}
}
+/// UNNEEDED by elogind
+#if 0
_public_ int sd_bus_add_filter(
sd_bus *bus,
sd_bus_slot **slot,
return 0;
}
+#endif // 0
_public_ int sd_bus_add_match(
sd_bus *bus,
}
_public_ int sd_bus_default_system(sd_bus **ret) {
- static thread_local sd_bus *default_system_bus = NULL;
-
return bus_default(sd_bus_open_system, &default_system_bus, ret);
}
-_public_ int sd_bus_default_user(sd_bus **ret) {
- static thread_local sd_bus *default_user_bus = NULL;
+_public_ int sd_bus_default_user(sd_bus **ret) {
+/// elogind does not support user buses
+#if 0
return bus_default(sd_bus_open_user, &default_user_bus, ret);
+#else
+ return sd_bus_default_system(ret);
+#endif // 0
}
_public_ int sd_bus_default(sd_bus **ret) {
if (e) {
if (streq(e, "system"))
return sd_bus_default_system(ret);
+/// elogind does not support systemd units
+#if 0
else if (STR_IN_SET(e, "user", "session"))
return sd_bus_default_user(ret);
+#endif // 0
}
/* No type is specified, so we have not other option than to
e = secure_getenv("DBUS_STARTER_ADDRESS");
if (e) {
- static thread_local sd_bus *default_starter_bus = NULL;
return bus_default(sd_bus_open, &default_starter_bus, ret);
}
/* Finally, if nothing is set use the cached connection for
* the right scope */
+/// elogind does not support systemd units
+#if 0
if (cg_pid_get_owner_uid(0, NULL) >= 0)
return sd_bus_default_user(ret);
else
+#endif // 0
return sd_bus_default_system(ret);
}
*external_id = ret;
return 1;
}
-#endif // 0
+
+_public_ int sd_bus_path_encode_many(char **out, const char *path_template, ...) {
+ _cleanup_strv_free_ char **labels = NULL;
+ char *path, *path_pos, **label_pos;
+ const char *sep, *template_pos;
+ size_t path_length;
+ va_list list;
+ int r;
+
+ assert_return(out, -EINVAL);
+ assert_return(path_template, -EINVAL);
+
+ path_length = strlen(path_template);
+
+ va_start(list, path_template);
+ for (sep = strchr(path_template, '%'); sep; sep = strchr(sep + 1, '%')) {
+ const char *arg;
+ char *label;
+
+ arg = va_arg(list, const char *);
+ if (!arg) {
+ va_end(list);
+ return -EINVAL;
+ }
+
+ label = bus_label_escape(arg);
+ if (!label) {
+ va_end(list);
+ return -ENOMEM;
+ }
+
+ r = strv_consume(&labels, label);
+ if (r < 0) {
+ va_end(list);
+ return r;
+ }
+
+ /* add label length, but account for the format character */
+ path_length += strlen(label) - 1;
+ }
+ va_end(list);
+
+ path = malloc(path_length + 1);
+ if (!path)
+ return -ENOMEM;
+
+ path_pos = path;
+ label_pos = labels;
+
+ for (template_pos = path_template; *template_pos; ) {
+ sep = strchrnul(template_pos, '%');
+ path_pos = mempcpy(path_pos, template_pos, sep - template_pos);
+ if (!*sep)
+ break;
+
+ path_pos = stpcpy(path_pos, *label_pos++);
+ template_pos = sep + 1;
+ }
+
+ *path_pos = 0;
+ *out = path;
+ return 0;
+}
+
+_public_ int sd_bus_path_decode_many(const char *path, const char *path_template, ...) {
+ _cleanup_strv_free_ char **labels = NULL;
+ const char *template_pos, *path_pos;
+ char **label_pos;
+ va_list list;
+ int r;
+
+ /*
+ * This decodes an object-path based on a template argument. The
+ * template consists of a verbatim path, optionally including special
+ * directives:
+ *
+ * - Each occurrence of '%' in the template matches an arbitrary
+ * substring of a label in the given path. At most one such
+ * directive is allowed per label. For each such directive, the
+ * caller must provide an output parameter (char **) via va_arg. If
+ * NULL is passed, the given label is verified, but not returned.
+ * For each matched label, the *decoded* label is stored in the
+ * passed output argument, and the caller is responsible to free
+ * it. Note that the output arguments are only modified if the
+ * actualy path matched the template. Otherwise, they're left
+ * untouched.
+ *
+ * This function returns <0 on error, 0 if the path does not match the
+ * template, 1 if it matched.
+ */
+
+ assert_return(path, -EINVAL);
+ assert_return(path_template, -EINVAL);
+
+ path_pos = path;
+
+ for (template_pos = path_template; *template_pos; ) {
+ const char *sep;
+ size_t length;
+ char *label;
+
+ /* verify everything until the next '%' matches verbatim */
+ sep = strchrnul(template_pos, '%');
+ length = sep - template_pos;
+ if (strncmp(path_pos, template_pos, length))
+ return 0;
+
+ path_pos += length;
+ template_pos += length;
+
+ if (!*template_pos)
+ break;
+
+ /* We found the next '%' character. Everything up until here
+ * matched. We now skip ahead to the end of this label and make
+ * sure it matches the tail of the label in the path. Then we
+ * decode the string in-between and save it for later use. */
+
+ ++template_pos; /* skip over '%' */
+
+ sep = strchrnul(template_pos, '/');
+ length = sep - template_pos; /* length of suffix to match verbatim */
+
+ /* verify the suffixes match */
+ sep = strchrnul(path_pos, '/');
+ if (sep - path_pos < (ssize_t)length ||
+ strncmp(sep - length, template_pos, length))
+ return 0;
+
+ template_pos += length; /* skip over matched label */
+ length = sep - path_pos - length; /* length of sub-label to decode */
+
+ /* store unescaped label for later use */
+ label = bus_label_unescape_n(path_pos, length);
+ if (!label)
+ return -ENOMEM;
+
+ r = strv_consume(&labels, label);
+ if (r < 0)
+ return r;
+
+ path_pos = sep; /* skip decoded label and suffix */
+ }
+
+ /* end of template must match end of path */
+ if (*path_pos)
+ return 0;
+
+ /* copy the labels over to the caller */
+ va_start(list, path_template);
+ for (label_pos = labels; label_pos && *label_pos; ++label_pos) {
+ char **arg;
+
+ arg = va_arg(list, char **);
+ if (arg)
+ *arg = *label_pos;
+ else
+ free(*label_pos);
+ }
+ va_end(list);
+
+ free(labels);
+ labels = NULL;
+ return 1;
+}
_public_ int sd_bus_try_close(sd_bus *bus) {
int r;
return 0;
}
-/// UNNEEDED by elogind
-#if 0
_public_ int sd_bus_get_description(sd_bus *bus, const char **description) {
assert_return(bus, -EINVAL);
assert_return(description, -EINVAL);
return !!(bus->hello_flags & KDBUS_HELLO_MONITOR);
}
+
+static void flush_close(sd_bus *bus) {
+ if (!bus)
+ return;
+
+ /* Flushes and closes the specified bus. We take a ref before,
+ * to ensure the flushing does not cause the bus to be
+ * unreferenced. */
+
+ sd_bus_flush_close_unref(sd_bus_ref(bus));
+}
+
+_public_ void sd_bus_default_flush_close(void) {
+ flush_close(default_starter_bus);
+ flush_close(default_user_bus);
+ flush_close(default_system_bus);
+}
#endif // 0
~ianmdlvl / elogind.git / blobdiff