ReactOS 0.4.15-dev-5669-g09dde2c
svc_generic.c File Reference
#include <wintirpc.h>
#include <reentrant.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpc/nettype.h>
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "rpc_com.h"
#include <rpc/svc.h>
Include dependency graph for svc_generic.c:

Go to the source code of this file.

Functions

int __svc_vc_setflag (SVCXPRT *, int)
 
int svc_create (void *dispatch, rpcprog_t prognum, rpcvers_t versnum, const char *nettype)
 
SVCXPRTsvc_tp_create (void *dispatch, rpcprog_t prognum, rpcvers_t versnum, const struct netconfig *nconf)
 
SVCXPRTsvc_tli_create (SOCKET fd, const struct netconfig *nconf, const struct t_bind *bindaddr, u_int sendsz, u_int recvsz)
 

Function Documentation

◆ __svc_vc_setflag()

int __svc_vc_setflag ( SVCXPRT ,
int   
)

Referenced by svc_tli_create().

◆ svc_create()

int svc_create ( void dispatch,
rpcprog_t  prognum,
rpcvers_t  versnum,
const char nettype 
)

Definition at line 68 of file svc_generic.c.

73{
74 struct xlist {
75 SVCXPRT *xprt; /* Server handle */
76 struct xlist *next; /* Next item */
77 } *l;
78 static struct xlist *xprtlist; /* A link list of all the handles */
79 int num = 0;
80 SVCXPRT *xprt;
81 struct netconfig *nconf;
82 void *handle;
84
85/* VARIABLES PROTECTED BY xprtlist_lock: xprtlist */
86
87 if ((handle = __rpc_setconf(nettype)) == NULL) {
88 // XXX warnx("svc_create: unknown protocol");
89 return (0);
90 }
91 while ((nconf = __rpc_getconf(handle)) != NULL) {
93 for (l = xprtlist; l; l = l->next) {
94 if (strcmp(l->xprt->xp_netid, nconf->nc_netid) == 0) {
95 /* Found an old one, use it */
96 (void) rpcb_unset(prognum, versnum, nconf);
97 if (svc_reg(l->xprt, prognum, versnum,
98 dispatch, nconf) == FALSE) {
99 // XXX warnx(
100// "svc_create: could not register prog %u vers %u on %s",
101// (unsigned)prognum, (unsigned)versnum,
102// nconf->nc_netid);
103 } else {
104 num++;
105 }
106 break;
107 }
108 }
109 if (l == NULL) {
110 /* It was not found. Now create a new one */
111 xprt = svc_tp_create(dispatch, prognum, versnum, nconf);
112 if (xprt) {
113 l = (struct xlist *)malloc(sizeof (*l));
114 if (l == NULL) {
115 // XXX warnx("svc_create: no memory");
117 return (0);
118 }
119 l->xprt = xprt;
120 l->next = xprtlist;
121 xprtlist = l;
122 num++;
123 }
124 }
126 }
128 /*
129 * In case of num == 0; the error messages are generated by the
130 * underlying layers; and hence not needed here.
131 */
132 return (num);
133}
int strcmp(const char *String1, const char *String2)
Definition: utclib.c:469
void dispatch(HANDLE hStopEvent)
Definition: dispatch.c:70
r l[0]
Definition: byte_order.h:167
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
#define FALSE
Definition: types.h:117
GLuint GLuint num
Definition: glext.h:9618
mutex_t xprtlist_lock
Definition: mt_misc.c:97
static unsigned __int64 next
Definition: rand_nt.c:6
#define mutex_lock(m)
Definition: reentrant.h:128
#define mutex_unlock(m)
Definition: reentrant.h:129
void * __rpc_setconf(char *nettype) const
Definition: rpc_generic.c:305
struct netconfig * __rpc_getconf(void *vhandle)
Definition: rpc_generic.c:348
void __rpc_endconf(void *vhandle)
Definition: rpc_generic.c:425
bool_t rpcb_unset(rpcprog_t program, rpcvers_t version, const struct netconfig *nconf)
Definition: rpcb_clnt.c:581
Definition: module.h:446
char * nc_netid
Definition: netconfig.h:16
bool_t svc_reg(SVCXPRT *xprt, const rpcprog_t prog, const rpcvers_t vers, void *dispatch, const struct netconfig *nconf)
Definition: svc.c:178
SVCXPRT * svc_tp_create(void *dispatch, rpcprog_t prognum, rpcvers_t versnum, const struct netconfig *nconf)
Definition: svc_generic.c:141

◆ svc_tli_create()

SVCXPRT * svc_tli_create ( SOCKET  fd,
const struct netconfig nconf,
const struct t_bind bindaddr,
u_int  sendsz,
u_int  recvsz 
)

Definition at line 182 of file svc_generic.c.

188{
189 SVCXPRT *xprt = NULL; /* service handle */
190 bool_t madefd = FALSE; /* whether fd opened here */
191 struct __rpc_sockinfo si;
192 struct sockaddr_storage ss;
193 socklen_t slen;
194
195 if (fd == RPC_ANYFD) {
196 if (nconf == NULL) {
197 // XXX warnx("svc_tli_create: invalid netconfig");
198 return (NULL);
199 }
200 fd = __rpc_nconf2fd(nconf);
201 if (fd == -1) {
202 // XXX warnx(
203// "svc_tli_create: could not open connection for %s",
204// nconf->nc_netid);
205 return (NULL);
206 }
207 __rpc_nconf2sockinfo(nconf, &si);
208 madefd = TRUE;
209 } else {
210 /*
211 * It is an open descriptor. Get the transport info.
212 */
213 if (!__rpc_fd2sockinfo(fd, &si)) {
214 // XXX warnx(
215// "svc_tli_create: could not get transport information");
216 return (NULL);
217 }
218 }
219
220 /*
221 * If the fd is unbound, try to bind it.
222 */
223 if (madefd || !__rpc_sockisbound(fd)) {
224 if (bindaddr == NULL) {
225 if (bindresvport(fd, NULL) < 0) {
226 memset(&ss, 0, sizeof ss);
227 ss.ss_family = si.si_af;
228 if (bind(fd, (struct sockaddr *)(void *)&ss,
229 (socklen_t)si.si_alen) == SOCKET_ERROR) {
230 // XXX warnx(
231// "svc_tli_create: could not bind to anonymous port");
232 goto freedata;
233 }
234 }
236 } else {
237 if (bind(fd,
238 (struct sockaddr *)bindaddr->addr.buf,
239 (socklen_t)si.si_alen) == SOCKET_ERROR) {
240 // XXX warnx(
241// "svc_tli_create: could not bind to requested address");
242 goto freedata;
243 }
244 listen(fd, (int)bindaddr->qlen);
245 }
246
247 }
248 /*
249 * call transport specific function.
250 */
251 switch (si.si_socktype) {
252 case SOCK_STREAM:
253 slen = sizeof ss;
254 if (getpeername(fd, (struct sockaddr *)(void *)&ss, &slen)
255 == 0) {
256 /* accepted socket */
257 xprt = svc_fd_create(fd, sendsz, recvsz);
258 } else
259 xprt = svc_vc_create(fd, sendsz, recvsz);
260 if (!nconf || !xprt)
261 break;
262#if 0
263 /* XXX fvdl */
264 if (strcmp(nconf->nc_protofmly, "inet") == 0 ||
265 strcmp(nconf->nc_protofmly, "inet6") == 0)
266 (void) __svc_vc_setflag(xprt, TRUE);
267#endif
268 break;
269 case SOCK_DGRAM:
270 xprt = svc_dg_create(fd, sendsz, recvsz);
271 break;
272 default:
273 // XXX warnx("svc_tli_create: bad service type");
274 goto freedata;
275 }
276
277 if (xprt == NULL)
278 /*
279 * The error messages here are spitted out by the lower layers:
280 * svc_vc_create(), svc_fd_create() and svc_dg_create().
281 */
282 goto freedata;
283
284 /* Fill in type of service */
285 xprt->xp_type = __rpc_socktype2seman(si.si_socktype);
286
287 if (nconf) {
288 xprt->xp_netid = strdup(nconf->nc_netid);
289 xprt->xp_tp = strdup(nconf->nc_device);
290 }
291 return (xprt);
292
293freedata:
294 if (madefd)
296 if (xprt) {
297 if (!madefd) /* so that svc_destroy doesnt close fd */
298 xprt->xp_fd = RPC_ANYFD;
299 SVC_DESTROY(xprt);
300 }
301 return (NULL);
302}
int bindresvport(SOCKET sd, struct sockaddr_in *sin)
Definition: bindresvport.c:53
#define RPC_ANYFD
Definition: svc.h:328
#define SVC_DESTROY(xprt)
Definition: svc.h:184
int32_t bool_t
Definition: types.h:101
#define TRUE
Definition: types.h:120
#define SOCK_STREAM
Definition: tcpip.h:118
#define ss
Definition: i386-dis.c:442
int socklen_t
Definition: tcp.c:35
#define closesocket
Definition: ncftp.h:477
int __rpc_fd2sockinfo(SOCKET fd, struct __rpc_sockinfo *sip)
Definition: rpc_generic.c:481
int __rpc_nconf2sockinfo(const struct netconfig *nconf, struct __rpc_sockinfo *sip)
Definition: rpc_generic.c:540
SOCKET __rpc_nconf2fd(const struct netconfig *nconf)
Definition: rpc_generic.c:562
_Check_return_ _CRTIMP char *__cdecl strdup(_In_opt_z_ const char *_Src)
static int fd
Definition: io.c:51
#define memset(x, y, z)
Definition: compat.h:39
INT WSAAPI getpeername(IN SOCKET s, OUT LPSOCKADDR name, IN OUT INT FAR *namelen)
Definition: sockctrl.c:167
INT WSAAPI listen(IN SOCKET s, IN INT backlog)
Definition: sockctrl.c:123
INT WSAAPI bind(IN SOCKET s, IN CONST struct sockaddr *name, IN INT namelen)
Definition: socklife.c:36
int __rpc_sockisbound(SOCKET)
Definition: rpc_generic.c:909
int __rpc_socktype2seman(int)
Definition: rpc_generic.c:859
char * xp_netid
Definition: svc.h:118
char * xp_tp
Definition: svc.h:117
int xp_type
Definition: svc.h:126
SOCKET xp_fd
Definition: svc.h:91
char * nc_protofmly
Definition: netconfig.h:19
char * nc_device
Definition: netconfig.h:21
unsigned int qlen
Definition: types.h:157
struct netbuf addr
Definition: types.h:156
SVCXPRT * svc_dg_create(int fd, u_int sendsize, u_int recvsize)
Definition: svc_dg.c:95
int __svc_vc_setflag(SVCXPRT *, int)
SVCXPRT * svc_fd_create(SOCKET fd, u_int sendsize, u_int recvsize)
Definition: svc_vc.c:204
SVCXPRT * svc_vc_create(int fd, u_int sendsize, u_int recvsize)
Definition: svc_vc.c:146
#define SOMAXCONN
Definition: winsock.h:399
#define SOCK_DGRAM
Definition: winsock.h:336
#define SOCKET_ERROR
Definition: winsock.h:333

Referenced by rpc_reg(), and svc_tp_create().

◆ svc_tp_create()

SVCXPRT * svc_tp_create ( void dispatch,
rpcprog_t  prognum,
rpcvers_t  versnum,
const struct netconfig nconf 
)

Definition at line 141 of file svc_generic.c.

146{
147 SVCXPRT *xprt;
148
149 if (nconf == NULL) {
150 // XXX warnx(
151// "svc_tp_create: invalid netconfig structure for prog %u vers %u",
152// (unsigned)prognum, (unsigned)versnum);
153 return (NULL);
154 }
155 xprt = svc_tli_create(RPC_ANYFD, nconf, NULL, 0, 0);
156 if (xprt == NULL) {
157 return (NULL);
158 }
159 /*LINTED const castaway*/
160 (void) rpcb_unset(prognum, versnum, (struct netconfig *) nconf);
161 if (svc_reg(xprt, prognum, versnum, dispatch, nconf) == FALSE) {
162 // XXX warnx(
163// "svc_tp_create: Could not register prog %u vers %u on %s",
164// (unsigned)prognum, (unsigned)versnum,
165// nconf->nc_netid);
166 SVC_DESTROY(xprt);
167 return (NULL);
168 }
169 return (xprt);
170}
SVCXPRT * svc_tli_create(SOCKET fd, const struct netconfig *nconf, const struct t_bind *bindaddr, u_int sendsz, u_int recvsz)
Definition: svc_generic.c:182

Referenced by svc_create().