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hashval_obj = Tcl_NewObj();
Tcl_SetWideIntObj(hashval_obj, hashval);
Tcl_SetObjResult(interp, hashval_obj);
return(TCL_OK);
}
/*
* Low-level System Call Wrapper Procedures
*
* These procedures should minimally wrap Linux or UNIX system calls to
* expose to the Tcl-level. Where possible accept symbolic names rather
* than numeric values (.e.g, list of values to OR together to get flags).
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hashval_obj = Tcl_NewObj();
Tcl_SetWideIntObj(hashval_obj, hashval);
Tcl_SetObjResult(interp, hashval_obj);
return(TCL_OK);
}
static int tclsystem_internal_getsock(int *sock_v4_out, int *sock_v6_out) {
int sock_v4 = -1, sock_v6 = -1;
int sock;
if (sock_v4_out == NULL && sock_v6_out == NULL) {
return(-1);
}
if (sock_v4_out != NULL) {
/*
* Check for IPv4 support before trying to create an IPv4 socket to
* avoid demand-loading IPv4 (XXX: TODO)
*/
sock_v4 = socket(AF_INET, SOCK_DGRAM, 0);
}
if (sock_v6_out != NULL) {
/*
* Check for IPv6 support before trying to create an IPv6 socket to
* avoid demand-loading IPv6 (XXX: TODO)
*/
sock_v6 = socket(AF_INET6, SOCK_DGRAM, 0);
}
/* Pick a socket to query for the interface list */
if (sock_v4 == -1 && sock_v6 == -1) {
return(-1);
}
if (sock_v6 != -1) {
sock = sock_v6;
} else {
sock = sock_v4;
}
if (sock_v4_out != NULL) {
*sock_v4_out = sock_v4;
}
if (sock_v6_out != NULL) {
*sock_v6_out = sock_v6;
}
return(sock);
}
/*
* Low-level System Call Wrapper Procedures
*
* These procedures should minimally wrap Linux or UNIX system calls to
* expose to the Tcl-level. Where possible accept symbolic names rather
* than numeric values (.e.g, list of values to OR together to get flags).
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return(TCL_OK);
}
static int tclsystem_ifconfig(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
int sock_v4, sock_v6, sock;
int retval = TCL_ERROR;
/*
* Check for IPv4 support before trying to create an IPv4 socket to
* avoid demand-loading IPv4 (XXX: TODO)
*/
sock_v4 = socket(AF_INET, SOCK_DGRAM, 0);
/*
* Check for IPv6 support before trying to create an IPv6 socket to
* avoid demand-loading IPv6 (XXX: TODO)
*/
sock_v6 = socket(AF_INET6, SOCK_DGRAM, 0);
/* Pick a socket to query for the interface list */
if (sock_v4 == -1 && sock_v6 == -1) {
/* Report failure */
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create socket", -1));
return(TCL_ERROR);
}
if (sock_v6 != -1) {
sock = sock_v6;
} else {
sock = sock_v4;
}
switch (objc) {
case 0:
case 1: /* No arguments, list all interfaces */
retval = tclsystem_ifconfig_list(cd, interp, objc, objv, sock);
break;
case 2: /* One argument, give information about the interface */
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return(TCL_OK);
}
static int tclsystem_ifconfig(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
int sock_v4, sock_v6, sock;
int retval = TCL_ERROR;
sock = tclsystem_internal_getsock(&sock_v4, &sock_v6);
if (sock == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create socket", -1));
return(TCL_ERROR);
}
switch (objc) {
case 0:
case 1: /* No arguments, list all interfaces */
retval = tclsystem_ifconfig_list(cd, interp, objc, objv, sock);
break;
case 2: /* One argument, give information about the interface */
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return(TCL_OK);
}
static int tclsystem_route(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
int sock_v4, sock_v6, sock;
int retval = TCL_ERROR;
/*
* Check for IPv4 support before trying to create an IPv4 socket to
* avoid demand-loading IPv4 (XXX: TODO)
*/
sock_v4 = socket(AF_INET, SOCK_DGRAM, 0);
/*
* Check for IPv6 support before trying to create an IPv6 socket to
* avoid demand-loading IPv6 (XXX: TODO)
*/
sock_v6 = socket(AF_INET6, SOCK_DGRAM, 0);
/* Pick a socket to query for the interface list */
if (sock_v4 == -1 && sock_v6 == -1) {
/* Report failure */
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create socket", -1));
return(TCL_ERROR);
}
if (sock_v6 != -1) {
sock = sock_v6;
} else {
sock = sock_v4;
}
switch (objc) {
case 0:
case 1: /* No arguments, list all interfaces */
retval = tclsystem_route_list(cd, interp, objc, objv, sock_v4, sock_v6);
break;
default:
/* Otherwise, modify routes */
retval = tclsystem_route_conf(cd, interp, objc, objv, sock_v4, sock_v6);
break;
}
/* Cleanup */
if (sock_v4 != -1) {
close(sock_v4);
}
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return(TCL_OK);
}
static int tclsystem_route(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
int sock_v4, sock_v6, sock;
int retval = TCL_ERROR;
sock = tclsystem_internal_getsock(&sock_v4, &sock_v6);
if (sock == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create socket", -1));
return(TCL_ERROR);
}
switch (objc) {
case 0:
case 1: /* No arguments, list all interfaces */
retval = tclsystem_route_list(cd, interp, objc, objv, sock_v4, sock_v6);
break;
default:
/* Otherwise, modify routes */
retval = tclsystem_route_conf(cd, interp, objc, objv, sock_v4, sock_v6);
break;
}
/* Cleanup */
if (sock_v4 != -1) {
close(sock_v4);
}
if (sock_v6 != -1) {
close(sock_v6);
}
return(retval);
}
static int tclsystem_brctl_list(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int sock) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("not implemented", -1));
return(TCL_ERROR);
}
static int tclsystem_brctl_conf(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[], int sock) {
Tcl_Obj *operation_obj, *bridge_name_obj, *interface_name_obj;
unsigned long arg[4];
struct ifreq ifr;
int ioctl_ret, ioctl_id;
int add = 0;
/* Determine operation */
operation_obj = objv[1];
switch (tclsystem_internal_simplehash_obj(operation_obj)) {
case 0x1c993272: /* addbr */
add = 1;
case 0x4cbb3272: /* delbr */
if (objc != 3) {
if (add) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::brctl addbr bridge\"", -1));
} else {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::brctl delbr bridge\"", -1));
}
return(TCL_ERROR);
}
bridge_name_obj = objv[2];
if (add) {
arg[0] = BRCTL_ADD_BRIDGE;
} else {
arg[0] = BRCTL_DEL_BRIDGE;
}
arg[1] = (unsigned long) Tcl_GetString(bridge_name_obj);
arg[2] = 0;
ioctl_ret = ioctl(sock, SIOCGIFBR, &arg);
break;
case 0x1C9937E6: /* addif */
add = 1;
case 0x4cbb37e6: /* delif */
if (objc != 4) {
if (add) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::brctl addif bridge interface\"", -1));
} else {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::brctl delif bridge interface\"", -1));
}
return(TCL_ERROR);
}
if (add) {
ioctl_id = SIOCBRADDIF;
} else {
ioctl_id = SIOCBRDELIF;
}
bridge_name_obj = objv[2];
interface_name_obj = objv[3];
memset(&ifr, 0, sizeof(ifr));
snprintf(ifr.ifr_name, IFNAMSIZ, "%s", Tcl_GetString(interface_name_obj));
ioctl_ret = ioctl(sock, SIOCGIFINDEX, (void *) &ifr);
if (ioctl_ret == 0) {
snprintf(ifr.ifr_name, IFNAMSIZ, "%s", Tcl_GetString(bridge_name_obj));
ioctl_ret = ioctl(sock, ioctl_id, (void *) &ifr);
}
break;
}
if (ioctl_ret < 0) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(strerror(errno), -1));
return(TCL_ERROR);
}
return(TCL_OK);
}
static int tclsystem_brctl(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
int sock_v4, sock_v6, sock;
int retval = TCL_ERROR;
sock = tclsystem_internal_getsock(&sock_v4, &sock_v6);
if (sock == -1) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("unable to create socket", -1));
return(TCL_ERROR);
}
switch (objc) {
case 0:
case 1: /* No arguments, list all bridges */
retval = tclsystem_brctl_list(cd, interp, objc, objv, sock);
break;
default:
/* Otherwise, modify routes */
retval = tclsystem_brctl_conf(cd, interp, objc, objv, sock);
break;
}
/* Cleanup */
if (sock_v4 != -1) {
close(sock_v4);
}
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1750
1751
1752
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1755
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|
Tcl_CreateObjCommand(interp, "::system::syscall::kill", tclsystem_kill, NULL, NULL);
Tcl_CreateObjCommand(interp, "::system::syscall::ps", tclsystem_ps, NULL, NULL);
Tcl_CreateObjCommand(interp, "::system::syscall::execve", tclsystem_execve, NULL, NULL);
/* Network related commands */
Tcl_CreateObjCommand(interp, "::system::syscall::ifconfig", tclsystem_ifconfig, NULL, NULL);
Tcl_CreateObjCommand(interp, "::system::syscall::route", tclsystem_route, NULL, NULL);
/* Internal functions */
Tcl_CreateObjCommand(interp, "::system::internal::hash", tclsystem_internalproc_simplehash, NULL, NULL);
/* Define constants */
/** Create parent namespace **/
Tcl_CreateNamespace(interp, "::system::const", NULL, NULL);
|
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|
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1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
|
Tcl_CreateObjCommand(interp, "::system::syscall::kill", tclsystem_kill, NULL, NULL);
Tcl_CreateObjCommand(interp, "::system::syscall::ps", tclsystem_ps, NULL, NULL);
Tcl_CreateObjCommand(interp, "::system::syscall::execve", tclsystem_execve, NULL, NULL);
/* 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);
/* Internal functions */
Tcl_CreateObjCommand(interp, "::system::internal::hash", tclsystem_internalproc_simplehash, NULL, NULL);
/* Define constants */
/** Create parent namespace **/
Tcl_CreateNamespace(interp, "::system::const", NULL, NULL);
|