Overview
| Comment: | Added UNIX domain socket support |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
fc10a2ba9a5f1cfb6c144a7eaba16520 |
| User & Date: | rkeene on 2012-09-17 13:24:16 |
| Other Links: | manifest | tags |
Context
|
2012-09-17
| ||
| 13:36 | Updated to return correct value from close handler Leaf check-in: 073819793d user: rkeene tags: trunk | |
| 13:24 | Added UNIX domain socket support check-in: fc10a2ba9a user: rkeene tags: trunk | |
| 13:23 | Updated to use uid/gid instead of usernames check-in: a48ac76ac7 user: rkeene tags: trunk | |
Changes
Modified initrd/admin-tclkit/kitcreator-modules/system/system.c from [9210e80361] to [41a8e8e8cb].
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #define _LINUX_SOURCE 1 #include <sys/syscall.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/socket.h> #include <sys/select.h> #include <sys/mount.h> #include <sys/types.h> #include <sys/ioctl.h> #include <sys/swap.h> #include <sys/stat.h> #include <sys/wait.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> #include <string.h> #include <fcntl.h> #include <errno.h> #include <time.h> | > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #define _LINUX_SOURCE 1 #include <sys/syscall.h> #include <netinet/in.h> #include <arpa/inet.h> #include <sys/socket.h> #include <sys/select.h> #include <sys/mount.h> #include <sys/types.h> #include <sys/ioctl.h> #include <sys/swap.h> #include <sys/stat.h> #include <sys/wait.h> #include <sys/un.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> #include <string.h> #include <fcntl.h> #include <errno.h> #include <time.h> |
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if (sock_v6 != -1) {
close(sock_v6);
}
return(retval);
}
static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
struct timeval select_timeout;
Tcl_WideInt umask_val, timeout_val, uid_val, gid_val;
Tcl_Obj *filename_obj, *env_obj, *logfile_obj, **env_entry_objv, *cwd_obj, *umask_obj, *uid_obj, *gid_obj;
Tcl_Obj *sri_obj, *timeout_obj;
pid_t child, child_pgid = -1, waitpid_ret;
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if (sock_v6 != -1) {
close(sock_v6);
}
return(retval);
}
#ifndef DISABLE_UNIX_SOCKETS
struct tclsystem_socket_unix__chan_id {
int fd;
Tcl_Channel chan;
};
static int tclsystem_socket_unix__chan_close(ClientData id_p, Tcl_Interp *interp) {
struct tclsystem_socket_unix__chan_id *id;
int fd;
id = id_p;
fd = id->fd;
close(fd);
free(id);
return(TCL_OK);
}
static int tclsystem_socket_unix__chan_read(ClientData id_p, char *buf, int bufsize, int *errorCodePtr) {
struct tclsystem_socket_unix__chan_id *id;
ssize_t read_ret;
int fd;
int retval;
id = id_p;
fd = id->fd;
read_ret = read(fd, buf, bufsize);
if (read_ret < 0) {
*errorCodePtr = errno;
return(-1);
}
retval = read_ret;
return(retval);
}
static int tclsystem_socket_unix__chan_write(ClientData id_p, const char *buf, int toWrite, int *errorCodePtr) {
struct tclsystem_socket_unix__chan_id *id;
ssize_t write_ret;
int fd;
int bytesWritten;
id = id_p;
fd = id->fd;
bytesWritten = 0;
while (toWrite) {
write_ret = write(fd, buf, toWrite);
if (write_ret == 0) {
break;
}
if (write_ret < 0) {
*errorCodePtr = errno;
return(-1);
}
toWrite -= write_ret;
buf += write_ret;
bytesWritten += write_ret;
}
if (bytesWritten == 0) {
*errorCodePtr = EAGAIN;
return(-1);
}
return(bytesWritten);
}
static void tclsystem_socket_unix__chan_eventhandler(ClientData id_p, int mask) {
struct tclsystem_socket_unix__chan_id *id;
Tcl_Channel chan;
id = id_p;
chan = id->chan;
if (!chan) {
return;
}
Tcl_NotifyChannel(chan, mask);
}
static void tclsystem_socket_unix__chan_watch(ClientData id_p, int mask) {
struct tclsystem_socket_unix__chan_id *id;
int fd;
id = id_p;
fd = id->fd;
Tcl_CreateFileHandler(fd, mask, tclsystem_socket_unix__chan_eventhandler, id);
return;
}
static int tclsystem_socket_unix__chan_gethandle(ClientData id_p, int direction, ClientData *handlePtr) {
struct tclsystem_socket_unix__chan_id *id;
int fd;
ClientData fd_cd;
id = id_p;
fd = id->fd;
memcpy(&fd_cd, &fd, sizeof(fd));
*handlePtr = fd_cd;
return(TCL_OK);
}
static Tcl_Channel tclsystem_socket_unix_sock2tclchan(int sock) {
struct tclsystem_socket_unix__chan_id *id;
static Tcl_ChannelType tcl_chan_type;
static int tcl_chan_type_init = 0;
Tcl_Channel tcl_chan;
char chan_name[32];
int sock_flags;
if (!tcl_chan_type_init) {
tcl_chan_type.typeName = "socket";
tcl_chan_type.version = TCL_CHANNEL_VERSION_2;
tcl_chan_type.closeProc = tclsystem_socket_unix__chan_close;
tcl_chan_type.inputProc = tclsystem_socket_unix__chan_read;
tcl_chan_type.outputProc = tclsystem_socket_unix__chan_write;
tcl_chan_type.watchProc = tclsystem_socket_unix__chan_watch;
tcl_chan_type.getHandleProc = tclsystem_socket_unix__chan_gethandle;
tcl_chan_type.seekProc = NULL;
tcl_chan_type.setOptionProc = NULL;
tcl_chan_type.getOptionProc = NULL;
tcl_chan_type.close2Proc = NULL;
tcl_chan_type.blockModeProc = NULL;
tcl_chan_type.flushProc = NULL;
tcl_chan_type.handlerProc = NULL;
tcl_chan_type.wideSeekProc = NULL;
tcl_chan_type.threadActionProc = NULL;
tcl_chan_type.truncateProc = NULL;
tcl_chan_type_init = 1;
}
snprintf(chan_name, sizeof(chan_name), "sock%u", sock);
id = malloc(sizeof(*id));
if (id == NULL) {
return(NULL);
}
id->fd = sock;
id->chan = NULL;
/* Configure socket as non-blocking */
sock_flags = fcntl(sock, F_GETFL, 0);
if (sock_flags == -1) {
sock_flags = O_NONBLOCK;
} else {
sock_flags |= O_NONBLOCK;
}
fcntl(sock, F_SETFL, (long) sock_flags);
/* Create the channel */
tcl_chan = Tcl_CreateChannel(&tcl_chan_type, chan_name, id, TCL_READABLE | TCL_WRITABLE);
/* Update the structure passed to each function to include the channel name */
id->chan = tcl_chan;
return(tcl_chan);
}
struct tclsystem_socket_unix__chan_accept_cd {
int fd;
Tcl_Interp *interp;
Tcl_Obj *command;
};
static void tclsystem_socket_unix__chan_accept(ClientData cd_p, int mask) {
struct tclsystem_socket_unix__chan_accept_cd *cd;
Tcl_Interp *interp;
Tcl_Channel chan;
Tcl_Obj *command, *command_to_run_objs[5], *command_to_run;
int setsockopt_ret;
int pass_creds_true = 1;
int fd;
int sock;
if ((mask & TCL_READABLE) != TCL_READABLE) {
return;
}
cd = cd_p;
fd = cd->fd;
interp = cd->interp;
command = cd->command;
sock = accept(fd, NULL, NULL);
if (sock < 0) {
return;
}
chan = tclsystem_socket_unix_sock2tclchan(sock);
if (chan == NULL) {
close(sock);
return;
}
setsockopt_ret = setsockopt(sock, SOL_SOCKET, SO_PASSCRED, &pass_creds_true, sizeof(pass_creds_true));
if (setsockopt_ret != 0) {
close(sock);
return;
}
Tcl_RegisterChannel(interp, chan);
command_to_run_objs[0] = command;
command_to_run_objs[1] = Tcl_NewStringObj(Tcl_GetChannelName(chan), -1);
command_to_run_objs[2] = Tcl_NewStringObj("...uid...", -1); /* XXX: TODO */
command_to_run_objs[3] = Tcl_NewStringObj("...gid...", -1); /* XXX: TODO */
command_to_run_objs[4] = Tcl_NewStringObj("...pid...", -1); /* XXX: TODO */
command_to_run = Tcl_ConcatObj(sizeof(command_to_run_objs) / sizeof(command_to_run_objs[0]), command_to_run_objs);
Tcl_EvalObjEx(interp, command_to_run, TCL_EVAL_GLOBAL);
return;
}
static int tclsystem_socket_unix_server(ClientData cd, Tcl_Interp *interp, int sock, const char *path, Tcl_Obj *command) {
struct tclsystem_socket_unix__chan_accept_cd *accept_cd;
struct sockaddr_un dest;
ssize_t pathlen;
int bind_ret, listen_ret;
pathlen = strlen(path) + 1;
if (pathlen <= 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("path too short", -1));
return(TCL_ERROR);
}
if (pathlen > sizeof(dest.sun_path)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("path too long", -1));
return(TCL_ERROR);
}
dest.sun_family = AF_UNIX;
memcpy(dest.sun_path, path, pathlen);
bind_ret = bind(sock, (struct sockaddr *) &dest, sizeof(dest));
if (bind_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
listen_ret = listen(sock, 2);
if (listen_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
accept_cd = malloc(sizeof(*accept_cd));
if (accept_cd == NULL) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
accept_cd->fd = sock;
accept_cd->interp = interp;
accept_cd->command = command;
Tcl_IncrRefCount(command);
Tcl_CreateFileHandler(sock, TCL_READABLE, tclsystem_socket_unix__chan_accept, accept_cd);
return(TCL_OK);
}
static int tclsystem_socket_unix_client(ClientData cd, Tcl_Interp *interp, int sock, const char *path) {
Tcl_Channel chan;
struct sockaddr_un dest;
ssize_t pathlen;
int connect_ret, setsockopt_ret;
int pass_creds_true = 1;
pathlen = strlen(path) + 1;
if (pathlen <= 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("path too short", -1));
return(TCL_ERROR);
}
if (pathlen > sizeof(dest.sun_path)) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("path too long", -1));
return(TCL_ERROR);
}
dest.sun_family = AF_UNIX;
memcpy(dest.sun_path, path, pathlen);
connect_ret = connect(sock, (struct sockaddr *) &dest, sizeof(dest));
if (connect_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
setsockopt_ret = setsockopt(sock, SOL_SOCKET, SO_PASSCRED, &pass_creds_true, sizeof(pass_creds_true));
if (setsockopt_ret != 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
chan = tclsystem_socket_unix_sock2tclchan(sock);
if (chan == NULL) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create Tcl channel", -1));
return(TCL_ERROR);
}
Tcl_RegisterChannel(interp, chan);
Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_GetChannelName(chan), -1));
return(TCL_OK);
}
static int tclsystem_socket_unix(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
Tcl_Obj *path_obj, *command_obj;
char *path;
int retval;
int sock;
if (objc < 2) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::socket_unix path\" or \"::system::syscall::socket_unix -server command path\"", -1));
return(TCL_ERROR);
}
path_obj = objv[1];
path = Tcl_GetString(path_obj);
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
if (strcmp(path, "-server") == 0) {
if (objc != 4) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::socket_unix -server command path\"", -1));
close(sock);
return(TCL_ERROR);
}
command_obj = objv[2];
path_obj = objv[3];
path = Tcl_GetString(path_obj);
retval = tclsystem_socket_unix_server(cd, interp, sock, path, command_obj);
} else {
if (objc != 2) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::socket_unix path\"", -1));
close(sock);
return(TCL_ERROR);
}
retval = tclsystem_socket_unix_client(cd, interp, sock, path);
}
if (retval != TCL_OK) {
close(sock);
}
return(retval);
}
#else
static int tclsystem_socket_unix(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("not implemented", -1));
return(TCL_ERROR)
}
#endif
static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
struct timeval select_timeout;
Tcl_WideInt umask_val, timeout_val, uid_val, gid_val;
Tcl_Obj *filename_obj, *env_obj, *logfile_obj, **env_entry_objv, *cwd_obj, *umask_obj, *uid_obj, *gid_obj;
Tcl_Obj *sri_obj, *timeout_obj;
pid_t child, child_pgid = -1, waitpid_ret;
|
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2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 | /* Network related commands */ Tcl_CreateObjCommand(interp, "::system::syscall::ifconfig", tclsystem_ifconfig, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::route", tclsystem_route, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::brctl", tclsystem_brctl, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::vconfig", tclsystem_vconfig, NULL, NULL); /* Service (TSMF) related commands */ Tcl_CreateObjCommand(interp, "::system::syscall::tsmf_start_svc", tclsystem_tsmf_start_svc, NULL, NULL); /* Internal functions */ Tcl_CreateObjCommand(interp, "::system::internal::hash", tclsystem_internalproc_simplehash, NULL, NULL); /* Define constants */ | > > > | 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 | /* Network related commands */ Tcl_CreateObjCommand(interp, "::system::syscall::ifconfig", tclsystem_ifconfig, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::route", tclsystem_route, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::brctl", tclsystem_brctl, NULL, NULL); Tcl_CreateObjCommand(interp, "::system::syscall::vconfig", tclsystem_vconfig, NULL, NULL); /* Needed commands for basic services Tcl lacks */ Tcl_CreateObjCommand(interp, "::system::syscall::socket_unix", tclsystem_socket_unix, NULL, NULL); /* Service (TSMF) related commands */ Tcl_CreateObjCommand(interp, "::system::syscall::tsmf_start_svc", tclsystem_tsmf_start_svc, NULL, NULL); /* Internal functions */ Tcl_CreateObjCommand(interp, "::system::internal::hash", tclsystem_internalproc_simplehash, NULL, NULL); /* Define constants */ |
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