From f7d8595113c0e2ffe84c760a325dd9c988161d8d Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Wed, 4 Dec 2013 19:06:52 +0100 Subject: libsystemd-bus: catch up with latest kdbus changes --- src/libsystemd-bus/bus-control.c | 1 + src/libsystemd-bus/kdbus.h | 66 +++++++++++++++++++++++++++++++--------- 2 files changed, 53 insertions(+), 14 deletions(-) diff --git a/src/libsystemd-bus/bus-control.c b/src/libsystemd-bus/bus-control.c index ff6a5a6cb6..b1172899d0 100644 --- a/src/libsystemd-bus/bus-control.c +++ b/src/libsystemd-bus/bus-control.c @@ -363,6 +363,7 @@ static int bus_get_owner_kdbus( cmd = alloca0(size); strcpy(cmd->name, name); } + cmd->flags = KDBUS_ATTACH_NAMES; cmd->size = size; r = ioctl(bus->input_fd, KDBUS_CMD_CONN_INFO, cmd); diff --git a/src/libsystemd-bus/kdbus.h b/src/libsystemd-bus/kdbus.h index d7ea6491f5..16edcc6462 100644 --- a/src/libsystemd-bus/kdbus.h +++ b/src/libsystemd-bus/kdbus.h @@ -26,39 +26,77 @@ #define KDBUS_MATCH_SRC_ID_ANY (~0ULL) #define KDBUS_DST_ID_BROADCAST (~0ULL) -/* Common first elements in a structure which are used to iterate over - * a list of elements. */ +/** + * struct KDBUS_PART_HEADER - header + * @size: Size of element, excluding padding bytes + * @type Type of element + * + * Common first elements in a structure, used to specify the type + * and size of the data. + * */ #define KDBUS_PART_HEADER \ struct { \ __u64 size; \ __u64 type; \ } -/* Message sent from kernel to userspace, when the owner or starter of - * a well-known name changes */ +/** + * struct kdbus_notify_name_change - name registry change message + * @old_id Former owner of a name + * @new_id New owner of a name + * @flags flags from KDBUS_NAME_* + * @name Well-known name + * + * Data attached to: + * KDBUS_ITEM_NAME_ADD + * KDBUS_ITEM_NAME_REMOVE + * KDBUS_ITEM_NAME_CHANGE + * + * Sent from kernel to userspace when the owner or starter of + * a well-known name changes. + */ struct kdbus_notify_name_change { __u64 old_id; __u64 new_id; - __u64 flags; /* 0 or (possibly?) KDBUS_NAME_IN_QUEUE */ + __u64 flags; char name[0]; }; +/** + * struct kdbus_notify_id_change - name registry change message + * @id New or former owner of the name + * @flags flags field from KDBUS_HELLO_* + * + * Data attached to: + * KDBUS_ITEM_ID_ADD + * KDBUS_ITEM_ID_REMOVE + * + * Sent from kernel to userspace when the owner or starter of + * a well-known name changes. + */ struct kdbus_notify_id_change { __u64 id; - __u64 flags; /* The kernel flags field from KDBUS_HELLO */ + __u64 flags; }; +/** + * struct kdbus_creds - process credentials + * @uid User id + * @gid Group id + * @pid Process id + * @tid Thread id + * @starttime Starttime of the process + * + * The starttime of the process PID. This is useful to detect PID overruns + * from the client side. i.e. if you use the PID to look something up in + * /proc/$PID/ you can afterwards check the starttime field of it, to ensure + * you didn't run into a PID overrun. + */ struct kdbus_creds { __u64 uid; __u64 gid; __u64 pid; __u64 tid; - - /* The starttime of the process PID. This is useful to detect - PID overruns from the client side. i.e. if you use the PID to - look something up in /proc/$PID/ you can afterwards check the - starttime field of it to ensure you didn't run into a PID - ovretun. */ __u64 starttime; }; @@ -479,7 +517,7 @@ struct kdbus_name_list { /** * struct kdbus_cmd_conn_info - struct used for KDBUS_CMD_CONN_INFO ioctl * @size: The total size of the struct - * @flags: Query flags, currently unused + * @flags: KDBUS_ATTACH_* flags * @id: The 64-bit ID of the connection. If set to zero, passing * @name is required. kdbus will look up the name to determine * the ID in this case. @@ -487,7 +525,7 @@ struct kdbus_name_list { * kdbus_name_info struct result is stored. The user must * use KDBUS_CMD_FREE to free the allocated memory. * @name: The optional well-known name to look up. Only needed in - * case @if is zero. + * case @id is zero. * * On success, the KDBUS_CMD_CONN_INFO ioctl will return 0 and @offset will * tell the user the offset in the connection pool buffer at which to find the -- cgit v1.2.3-54-g00ecf