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dbus-path: add Paths= option to set path specs in transient path unit

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This commit is contained in:
Yu Watanabe 2018-01-02 02:25:57 +09:00
parent dea700bffd
commit f76e92af1c
1 changed files with 32 additions and 42 deletions
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74
src/core/dbus-path.c
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@ -21,6 +21,7 @@
#include "alloc-util.h"
#include "bus-util.h"
#include "dbus-path.h"
#include "dbus-util.h"
#include "list.h"
#include "path.h"
#include "path-util.h"
@ -105,30 +106,38 @@ static int bus_path_set_transient_property(
flags |= UNIT_PRIVATE;
if (STR_IN_SET(name, "PathExists", "PathExistsGlob", "PathChanged", "PathModified", "DirectoryNotEmpty")) {
const char *str;
PathType b;
if (streq(name, "MakeDirectory"))
return bus_set_transient_bool(u, name, &p->make_directory, message, flags, error);
b = path_type_from_string(name);
if (b < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown path type");
if (streq(name, "DirectoryMode"))
return bus_set_transient_mode_t(u, name, &p->directory_mode, message, flags, error);
r = sd_bus_message_read(message, "s", &str);
if (streq(name, "Paths")) {
const char *type_name, *path;
bool empty = true;
r = sd_bus_message_enter_container(message, 'a', "(ss)");
if (r < 0)
return r;
if (!isempty(str) && !path_is_absolute(str))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path is not absolute");
while ((r = sd_bus_message_read(message, "(ss)", &type_name, &path)) > 0) {
PathType t;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
if (isempty(str)) {
path_free_specs(p);
unit_write_settingf(u, flags, name, "%s=", name);
} else {
t = path_type_from_string(type_name);
if (t < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown path type: %s", type_name);
if (isempty(path))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is empty", type_name);
if (!path_is_absolute(path))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path in %s is not absolute: %s", type_name, path);
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
_cleanup_free_ char *k;
PathSpec *s;
k = strdup(str);
k = strdup(path);
if (!k)
return -ENOMEM;
@ -139,48 +148,29 @@ static int bus_path_set_transient_property(
s->unit = u;
s->path = path_kill_slashes(k);
k = NULL;
s->type = b;
s->type = t;
s->inotify_fd = -1;
LIST_PREPEND(spec, p->specs, s);
unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", name, str);
unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, "%s=%s", type_name, path);
}
empty = false;
}
return 1;
} else if (streq(name, "MakeDirectory")) {
int b;
r = sd_bus_message_read(message, "b", &b);
if (r < 0)
return r;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
p->make_directory = b;
unit_write_settingf(u, flags, name, "%s=%s", name, yes_no(b));
}
return 1;
} else if (streq(name, "DirectoryMode")) {
mode_t m;
r = sd_bus_message_read(message, "u", &m);
r = sd_bus_message_exit_container(message);
if (r < 0)
return r;
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
p->directory_mode = m;
unit_write_settingf(u, flags, name, "%s=%040o", name, m);
if (!UNIT_WRITE_FLAGS_NOOP(flags) && empty) {
path_free_specs(p);
unit_write_settingf(u, flags, name, "PathExists=");
}
return 1;
} else if (streq(name, "Unit")) {
/* not implemented yet */
return 0;
}
return 0;