1*433d6423SLionel Sambuc #include <sys/cdefs.h> 2*433d6423SLionel Sambuc #include "namespace.h" 3*433d6423SLionel Sambuc #include <minix/config.h> 4*433d6423SLionel Sambuc 5*433d6423SLionel Sambuc #include <errno.h> 6*433d6423SLionel Sambuc #include <fcntl.h> 7*433d6423SLionel Sambuc #include <stdio.h> 8*433d6423SLionel Sambuc #include <stdlib.h> 9*433d6423SLionel Sambuc #include <unistd.h> 10*433d6423SLionel Sambuc #include <string.h> 11*433d6423SLionel Sambuc #include <sys/ioctl.h> 12*433d6423SLionel Sambuc #include <sys/socket.h> 13*433d6423SLionel Sambuc #include <sys/types.h> 14*433d6423SLionel Sambuc #include <sys/stat.h> 15*433d6423SLionel Sambuc #include <netinet/in.h> 16*433d6423SLionel Sambuc 17*433d6423SLionel Sambuc #include <net/gen/in.h> 18*433d6423SLionel Sambuc #include <net/gen/tcp.h> 19*433d6423SLionel Sambuc #include <net/gen/tcp_io.h> 20*433d6423SLionel Sambuc #include <net/gen/udp.h> 21*433d6423SLionel Sambuc #include <net/gen/udp_io.h> 22*433d6423SLionel Sambuc 23*433d6423SLionel Sambuc #include <minix/const.h> 24*433d6423SLionel Sambuc 25*433d6423SLionel Sambuc #define DEBUG 0 26*433d6423SLionel Sambuc 27*433d6423SLionel Sambuc static int _tcp_connect(int sock, const struct sockaddr *address, 28*433d6423SLionel Sambuc socklen_t address_len, nwio_tcpconf_t *tcpconfp); 29*433d6423SLionel Sambuc static int _udp_connect(int sock, const struct sockaddr *address, 30*433d6423SLionel Sambuc socklen_t address_len, nwio_udpopt_t *udpoptp); 31*433d6423SLionel Sambuc static int _uds_connect(int sock, const struct sockaddr *address, 32*433d6423SLionel Sambuc socklen_t address_len); 33*433d6423SLionel Sambuc 34*433d6423SLionel Sambuc int connect(int sock, const struct sockaddr *address, 35*433d6423SLionel Sambuc socklen_t address_len) 36*433d6423SLionel Sambuc { 37*433d6423SLionel Sambuc int r; 38*433d6423SLionel Sambuc nwio_tcpconf_t tcpconf; 39*433d6423SLionel Sambuc nwio_udpopt_t udpopt; 40*433d6423SLionel Sambuc 41*433d6423SLionel Sambuc r= ioctl(sock, NWIOGTCPCONF, &tcpconf); 42*433d6423SLionel Sambuc if (r != -1 || errno != ENOTTY) 43*433d6423SLionel Sambuc { 44*433d6423SLionel Sambuc if (r == -1) 45*433d6423SLionel Sambuc { 46*433d6423SLionel Sambuc /* Bad file descriptor */ 47*433d6423SLionel Sambuc return -1; 48*433d6423SLionel Sambuc } 49*433d6423SLionel Sambuc return _tcp_connect(sock, address, address_len, &tcpconf); 50*433d6423SLionel Sambuc } 51*433d6423SLionel Sambuc 52*433d6423SLionel Sambuc r= ioctl(sock, NWIOGUDPOPT, &udpopt); 53*433d6423SLionel Sambuc if (r != -1 || errno != ENOTTY) 54*433d6423SLionel Sambuc { 55*433d6423SLionel Sambuc if (r == -1) 56*433d6423SLionel Sambuc { 57*433d6423SLionel Sambuc /* Bad file descriptor */ 58*433d6423SLionel Sambuc return -1; 59*433d6423SLionel Sambuc } 60*433d6423SLionel Sambuc return _udp_connect(sock, address, address_len, &udpopt); 61*433d6423SLionel Sambuc } 62*433d6423SLionel Sambuc 63*433d6423SLionel Sambuc r= _uds_connect(sock, address, address_len); 64*433d6423SLionel Sambuc if (r != -1 || (errno != ENOTTY && errno != EAFNOSUPPORT)) 65*433d6423SLionel Sambuc { 66*433d6423SLionel Sambuc if (r == -1) 67*433d6423SLionel Sambuc { 68*433d6423SLionel Sambuc /* Bad file descriptor */ 69*433d6423SLionel Sambuc return -1; 70*433d6423SLionel Sambuc } 71*433d6423SLionel Sambuc 72*433d6423SLionel Sambuc return r; 73*433d6423SLionel Sambuc } 74*433d6423SLionel Sambuc 75*433d6423SLionel Sambuc #if DEBUG 76*433d6423SLionel Sambuc fprintf(stderr, "connect: not implemented for fd %d\n", sock); 77*433d6423SLionel Sambuc #endif 78*433d6423SLionel Sambuc errno= ENOSYS; 79*433d6423SLionel Sambuc return -1; 80*433d6423SLionel Sambuc } 81*433d6423SLionel Sambuc 82*433d6423SLionel Sambuc static int _tcp_connect(int sock, const struct sockaddr *address, 83*433d6423SLionel Sambuc socklen_t address_len, nwio_tcpconf_t *tcpconfp) 84*433d6423SLionel Sambuc { 85*433d6423SLionel Sambuc int r; 86*433d6423SLionel Sambuc struct sockaddr_in *sinp; 87*433d6423SLionel Sambuc nwio_tcpconf_t tcpconf; 88*433d6423SLionel Sambuc nwio_tcpcl_t tcpcl; 89*433d6423SLionel Sambuc 90*433d6423SLionel Sambuc if (address_len != sizeof(*sinp)) 91*433d6423SLionel Sambuc { 92*433d6423SLionel Sambuc errno= EINVAL; 93*433d6423SLionel Sambuc return -1; 94*433d6423SLionel Sambuc } 95*433d6423SLionel Sambuc sinp= (struct sockaddr_in *) __UNCONST(address); 96*433d6423SLionel Sambuc if (sinp->sin_family != AF_INET) 97*433d6423SLionel Sambuc { 98*433d6423SLionel Sambuc errno= EINVAL; 99*433d6423SLionel Sambuc return -1; 100*433d6423SLionel Sambuc } 101*433d6423SLionel Sambuc tcpconf.nwtc_flags= NWTC_SET_RA | NWTC_SET_RP; 102*433d6423SLionel Sambuc if ((tcpconfp->nwtc_flags & NWTC_LOCPORT_MASK) == NWTC_LP_UNSET) 103*433d6423SLionel Sambuc tcpconf.nwtc_flags |= NWTC_LP_SEL; 104*433d6423SLionel Sambuc tcpconf.nwtc_remaddr= sinp->sin_addr.s_addr; 105*433d6423SLionel Sambuc tcpconf.nwtc_remport= sinp->sin_port; 106*433d6423SLionel Sambuc 107*433d6423SLionel Sambuc if (ioctl(sock, NWIOSTCPCONF, &tcpconf) == -1) 108*433d6423SLionel Sambuc { 109*433d6423SLionel Sambuc /* Ignore EISCONN error. The NWIOTCPCONN ioctl will get the 110*433d6423SLionel Sambuc * right error. 111*433d6423SLionel Sambuc */ 112*433d6423SLionel Sambuc if (errno != EISCONN) 113*433d6423SLionel Sambuc return -1; 114*433d6423SLionel Sambuc } 115*433d6423SLionel Sambuc 116*433d6423SLionel Sambuc tcpcl.nwtcl_flags= TCF_DEFAULT; 117*433d6423SLionel Sambuc 118*433d6423SLionel Sambuc r= fcntl(sock, F_GETFL); 119*433d6423SLionel Sambuc if (r == 1) 120*433d6423SLionel Sambuc return -1; 121*433d6423SLionel Sambuc if (r & O_NONBLOCK) 122*433d6423SLionel Sambuc tcpcl.nwtcl_flags |= TCF_ASYNCH; 123*433d6423SLionel Sambuc 124*433d6423SLionel Sambuc r= ioctl(sock, NWIOTCPCONN, &tcpcl); 125*433d6423SLionel Sambuc return r; 126*433d6423SLionel Sambuc } 127*433d6423SLionel Sambuc 128*433d6423SLionel Sambuc static int _udp_connect(int sock, const struct sockaddr *address, 129*433d6423SLionel Sambuc socklen_t address_len, nwio_udpopt_t *udpoptp) 130*433d6423SLionel Sambuc { 131*433d6423SLionel Sambuc int r; 132*433d6423SLionel Sambuc struct sockaddr_in *sinp; 133*433d6423SLionel Sambuc nwio_udpopt_t udpopt; 134*433d6423SLionel Sambuc 135*433d6423SLionel Sambuc if (address == NULL) 136*433d6423SLionel Sambuc { 137*433d6423SLionel Sambuc /* Unset remote address */ 138*433d6423SLionel Sambuc udpopt.nwuo_flags= NWUO_RP_ANY | NWUO_RA_ANY | NWUO_RWDATALL; 139*433d6423SLionel Sambuc 140*433d6423SLionel Sambuc r= ioctl(sock, NWIOSUDPOPT, &udpopt); 141*433d6423SLionel Sambuc return r; 142*433d6423SLionel Sambuc } 143*433d6423SLionel Sambuc 144*433d6423SLionel Sambuc if (address_len != sizeof(*sinp)) 145*433d6423SLionel Sambuc { 146*433d6423SLionel Sambuc errno= EINVAL; 147*433d6423SLionel Sambuc return -1; 148*433d6423SLionel Sambuc } 149*433d6423SLionel Sambuc sinp= (struct sockaddr_in *) __UNCONST(address); 150*433d6423SLionel Sambuc if (sinp->sin_family != AF_INET) 151*433d6423SLionel Sambuc { 152*433d6423SLionel Sambuc errno= EINVAL; 153*433d6423SLionel Sambuc return -1; 154*433d6423SLionel Sambuc } 155*433d6423SLionel Sambuc udpopt.nwuo_flags= NWUO_RP_SET | NWUO_RA_SET | NWUO_RWDATONLY; 156*433d6423SLionel Sambuc if ((udpoptp->nwuo_flags & NWUO_LOCPORT_MASK) == NWUO_LP_ANY) 157*433d6423SLionel Sambuc udpopt.nwuo_flags |= NWUO_LP_SEL; 158*433d6423SLionel Sambuc udpopt.nwuo_remaddr= sinp->sin_addr.s_addr; 159*433d6423SLionel Sambuc udpopt.nwuo_remport= sinp->sin_port; 160*433d6423SLionel Sambuc 161*433d6423SLionel Sambuc r= ioctl(sock, NWIOSUDPOPT, &udpopt); 162*433d6423SLionel Sambuc return r; 163*433d6423SLionel Sambuc } 164*433d6423SLionel Sambuc 165*433d6423SLionel Sambuc static int _uds_connect(int sock, const struct sockaddr *address, 166*433d6423SLionel Sambuc socklen_t address_len) 167*433d6423SLionel Sambuc { 168*433d6423SLionel Sambuc 169*433d6423SLionel Sambuc if (address == NULL) { 170*433d6423SLionel Sambuc errno = EFAULT; 171*433d6423SLionel Sambuc return -1; 172*433d6423SLionel Sambuc } 173*433d6423SLionel Sambuc 174*433d6423SLionel Sambuc /* perform the connect */ 175*433d6423SLionel Sambuc return ioctl(sock, NWIOSUDSCONN, (void *) __UNCONST(address)); 176*433d6423SLionel Sambuc } 177