version 1.4.2.1, 2000/11/10 20:12:08 |
version 1.8, 2002/10/20 08:26:00 |
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/* $OpenXM: OpenXM/src/kan96xx/plugin/mytcpio.c,v 1.4 2000/09/08 16:08:42 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/plugin/mytcpio.c,v 1.7 2002/10/20 07:58:18 takayama Exp $ */ |
#include <stdio.h> |
#include <stdio.h> |
#include <sys/types.h> |
#include <sys/types.h> |
#include <sys/socket.h> |
#include <sys/socket.h> |
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#if defined(sun) |
#if defined(sun) |
int MyEnv_oxmisc[2000]; |
int MyEnv_oxmisc[2000]; |
#else |
#else |
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#if defined(__CYGWIN__) |
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sigjmp_buf MyEnv_oxmisc; /* may cause a trouble in Solaris. */ |
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#else |
jmp_buf MyEnv_oxmisc; /* may cause a trouble in Solaris. */ |
jmp_buf MyEnv_oxmisc; /* may cause a trouble in Solaris. */ |
#endif |
#endif |
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#endif |
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#define READBUFSIZE 10000 |
#define READBUFSIZE 10000 |
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#define MAX_LISTEN_QUEUE 3 |
static void errorMsg1s(char *s) { |
static void errorMsg1s(char *s) { |
fprintf(stderr,"%s\n",s); |
fprintf(stderr,"%s\n",s); |
} |
} |
Line 29 int OpenedSocket = 0; |
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Line 34 int OpenedSocket = 0; |
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extern int Quiet; |
extern int Quiet; |
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socketOpen(char *serverName,int portNumber) { |
socketOpen(char *serverName,int portNumber) { |
struct addrinfo hints, *res, *ai; |
static struct hostent *myhost; |
struct sockaddr_storage ss; |
static struct sockaddr_in me; |
socklen_t len; |
static int s_waiting; |
char pstr[BUFSIZ], *errstr; |
static int on; |
int s, p, opt, error; |
extern int errno; |
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int tt; |
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SET_TCPIOERROR; |
SET_TCPIOERROR; |
fprintf(TcpioError, "Hello from open. serverName is %s and " |
fprintf(TcpioError,"Hello from open. serverName is %s and portnumber is %d\n", |
"portnumber is %d\n", serverName, portNumber); |
serverName,portNumber); |
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if ((myhost = gethostbyname(serverName)) == NULL) { |
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errorMsg1s("Bad server name."); |
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return(-1); |
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} |
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bzero((char *)&me,sizeof(me)); |
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me.sin_family = AF_INET; |
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me.sin_port = htons(portNumber); |
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bcopy(myhost->h_addr, |
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&me.sin_addr,myhost->h_length); |
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memset(&hints, 0, sizeof(hints)); |
if ((s_waiting = socket(AF_INET,SOCK_STREAM,0)) < 0) { |
hints.ai_family = PF_UNSPEC; |
errorMsg1s("Socket allocation is failed."); |
hints.ai_socktype = SOCK_STREAM; |
return(-1); |
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} |
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memset(pstr, 0, sizeof(pstr)); |
on=1; setsockopt(s_waiting,SOL_SOCKET,SO_REUSEADDR,&on,sizeof(on)); |
snprintf(pstr, sizeof(pstr), "%u", portNumber); |
/* important */ |
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if ((tt = bind(s_waiting,(struct sockaddr *) &me,sizeof(me))) == -1) { |
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fprintf(TcpioError,"Bind error. Error no is %d. See /usr/include/sys/errno.h. (asm/errno.h)\n",errno); |
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errorMsg1s("cannot bind"); |
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return(-1); |
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} |
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/* printf("bind returns %d\n",tt); */ |
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tt = sizeof(me); |
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if (getsockname(s_waiting,(struct sockaddr *)&me,&tt) < 0) { |
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fprintf(TcpioError,"getsockname error. Error no is %d. See /usr/include/sys/errno.h (asm/errno.h).\n",errno); |
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errorMsg1s("cannot getsockname"); |
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return(-1); |
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} |
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error = getaddrinfo(serverName, pstr, &hints, &res); |
if (listen(s_waiting,MAX_LISTEN_QUEUE) < 0) { |
if (error) { |
errorMsg1s("Listen failed"); |
errorMsg1s("Bad server name."); |
return(-1); |
return (-1); |
} |
} |
fprintf(TcpioError,"Done the initialization. port =%d\n",ntohs(me.sin_port)); |
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OpenedSocket = ntohs(me.sin_port); |
s = -1; |
return(s_waiting); |
p = -1; |
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errstr = NULL; |
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for (ai = res ; ai != NULL ; ai = ai->ai_next) { |
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s = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); |
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if (s < 0) { |
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errstr = "socket"; |
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continue; |
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} |
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opt = 1; |
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setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); |
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if (bind(s, ai->ai_addr, ai->ai_addrlen) < 0) { |
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errstr = "bind"; |
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close(s); |
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s = -1; |
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continue; |
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} |
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len = sizeof(ss); |
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if (getsockname(s, (struct sockaddr *)&ss, &len) < 0) { |
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errstr = "getsockname"; |
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close(s); |
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s = -1; |
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continue; |
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} |
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switch (ss.ss_family) { |
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case AF_INET: |
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{ |
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struct sockaddr_in *sin; |
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sin = (struct sockaddr_in *)&ss; |
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p = ntohs(sin->sin_port); |
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break; |
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} |
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case AF_INET6: |
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{ |
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struct sockaddr_in6 *sin6; |
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sin6 = (struct sockaddr_in6 *)&ss; |
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p = ntohs(sin6->sin6_port); |
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break; |
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} |
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default: |
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p = -1; |
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} |
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if (p < 0) { |
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errstr = "AF"; |
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close(s); |
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s = -1; |
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continue; |
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} |
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if (listen(s, 1) < 0) { |
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errstr = "listen"; |
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close(s); |
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s = -1; |
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continue; |
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} |
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break; |
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} |
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freeaddrinfo(res); |
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if (s < 0) { |
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fprintf(TcpioError, "Error: %s", errstr); |
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errorMsg1s(errstr); |
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} else { |
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OpenedSocket = p; |
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} |
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return (s); |
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} |
} |
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Line 149 socketAccept(int snum) { |
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Line 104 socketAccept(int snum) { |
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socketAcceptLocal(int snum) { |
socketAcceptLocal(int snum) { |
int s, news; |
int s, news; |
struct sockaddr_storage ss; |
struct sockaddr peer; |
int len; |
int len; |
int i; |
int i; |
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SET_TCPIOERROR; |
SET_TCPIOERROR; |
s = snum; |
s = snum; |
fprintf(TcpioError,"Trying to accept from localhost... "); fflush(TcpioError); |
fprintf(TcpioError,"Trying to accept from localhost... "); fflush(TcpioError); |
len = sizeof(ss); |
len = sizeof(struct sockaddr); |
if ((news = accept(s, (struct sockaddr *)&ss,&len)) < 0) { |
if ((news = accept(s,&peer,&len)) < 0) { |
errorMsg1s("Error in accept."); |
errorMsg1s("Error in accept."); |
return(-1); |
return(-1); |
} |
} |
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len = sizeof(ss); |
len = sizeof(struct sockaddr); |
getpeername(news, (struct sockaddr *)&ss,&len); |
getpeername(news,&peer,&len); |
#if 0 |
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printf("len= %d\n",len); |
printf("len= %d\n",len); |
for (i=0; i<len; i++) { |
for (i=0; i<len; i++) { |
printf(" %x ", peer.sa_data[i]); |
printf(" %x ",peer.sa_data[i]); |
} |
} |
printf("\n"); |
printf("\n"); |
if (peer.sa_data[2] == 0x7f && peer.sa_data[3] == 0 && |
if (peer.sa_data[2] == 0x7f && peer.sa_data[3] == 0 && |
Line 179 socketAcceptLocal(int snum) { |
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Line 133 socketAcceptLocal(int snum) { |
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fprintf(stderr,"The connection is refused."); |
fprintf(stderr,"The connection is refused."); |
return(-1); |
return(-1); |
} |
} |
#endif |
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fprintf(TcpioError,"Accepted.\n"); fflush(TcpioError); |
fprintf(TcpioError,"Accepted.\n"); fflush(TcpioError); |
if (close(s) < 0) { |
if (close(s) < 0) { |
Line 189 socketAcceptLocal(int snum) { |
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Line 142 socketAcceptLocal(int snum) { |
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return(news); |
return(news); |
} |
} |
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/* It does not close the socket for listening. */ |
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socketAcceptLocal2(int snum) { |
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int s, news; |
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struct sockaddr peer; |
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int len; |
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int i; |
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SET_TCPIOERROR; |
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s = snum; |
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fprintf(TcpioError,"Trying to accept from localhost... "); fflush(TcpioError); |
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len = sizeof(struct sockaddr); |
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if ((news = accept(s,&peer,&len)) < 0) { |
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errorMsg1s("Error in accept."); |
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return(-1); |
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} |
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len = sizeof(struct sockaddr); |
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getpeername(news,&peer,&len); |
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printf("len= %d\n",len); |
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for (i=0; i<len; i++) { |
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printf(" %x ",peer.sa_data[i]); |
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} |
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printf("\n"); |
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if (peer.sa_data[2] == 0x7f && peer.sa_data[3] == 0 && |
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peer.sa_data[4] == 0 && peer.sa_data[5] == 1) { |
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fprintf(stderr,"Authentication: localhost is allowed to be accepted.\n"); |
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}else{ |
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errorMsg1s("Authentication: The connection is not from the localhost."); |
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fprintf(stderr,"The connection is refused."); |
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return(-1); |
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} |
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fprintf(TcpioError,"Accepted.\n"); fflush(TcpioError); |
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return(news); |
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} |
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int oxSocketSelect0(int fd,int t) { |
int oxSocketSelect0(int fd,int t) { |
fd_set readfds; |
fd_set readfds; |
struct timeval timeout; |
struct timeval timeout; |
Line 286 socketConnect(char *serverName,int portNumber) { |
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Line 275 socketConnect(char *serverName,int portNumber) { |
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server.sin_family = AF_INET; |
server.sin_family = AF_INET; |
server.sin_port = htons(portNumber); |
server.sin_port = htons(portNumber); |
bcopy(servhost->h_addr, |
bcopy(servhost->h_addr, |
(char *)&server.sin_addr,servhost->h_length); |
(char *)&server.sin_addr,servhost->h_length); |
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if ((socketid = socket(AF_INET,SOCK_STREAM,0)) <0) { |
if ((socketid = socket(AF_INET,SOCK_STREAM,0)) <0) { |
errorMsg1s("socket allocation is failed.\n"); |
errorMsg1s("socket allocation is failed.\n"); |