boolean_t iosocket_bind(socket_struct *socketptr, int4 timepar, boolean_t update_bufsiz) { int temp_1 = 1; char *errptr; int4 errlen, msec_timeout, real_errno; short len; in_port_t actual_port; boolean_t no_time_left = FALSE; d_socket_struct *dsocketptr; struct addrinfo *ai_ptr; char port_buffer[NI_MAXSERV]; int errcode; ABS_TIME cur_time, end_time; GTM_SOCKLEN_TYPE addrlen; GTM_SOCKLEN_TYPE sockbuflen; dsocketptr = socketptr->dev; ai_ptr = (struct addrinfo*)(&socketptr->local.ai); assert(NULL != dsocketptr); dsocketptr->iod->dollar.key[0] = '\0'; if (FD_INVALID != socketptr->temp_sd) { socketptr->sd = socketptr->temp_sd; socketptr->temp_sd = FD_INVALID; } if (timepar != NO_M_TIMEOUT) { msec_timeout = timeout2msec(timepar); sys_get_curr_time(&cur_time); add_int_to_abs_time(&cur_time, msec_timeout, &end_time); } do { temp_1 = 1; if (-1 == tcp_routines.aa_setsockopt(socketptr->sd, SOL_SOCKET, SO_REUSEADDR, &temp_1, SIZEOF(temp_1))) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_SETSOCKOPTERR, 5, RTS_ERROR_LITERAL("SO_REUSEADDR"), real_errno, errlen, errptr); return FALSE; } #ifdef TCP_NODELAY temp_1 = socketptr->nodelay ? 1 : 0; if (-1 == tcp_routines.aa_setsockopt(socketptr->sd, IPPROTO_TCP, TCP_NODELAY, &temp_1, SIZEOF(temp_1))) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_SETSOCKOPTERR, 5, RTS_ERROR_LITERAL("TCP_NODELAY"), real_errno, errlen, errptr); return FALSE; } #endif if (update_bufsiz) { if (-1 == tcp_routines.aa_setsockopt(socketptr->sd, SOL_SOCKET, SO_RCVBUF, &socketptr->bufsiz, SIZEOF(socketptr->bufsiz))) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_SETSOCKOPTERR, 5, RTS_ERROR_LITERAL("SO_RCVBUF"), real_errno, errlen, errptr); return FALSE; } } else { sockbuflen = SIZEOF(socketptr->bufsiz); if (-1 == tcp_routines.aa_getsockopt(socketptr->sd, SOL_SOCKET, SO_RCVBUF, &socketptr->bufsiz, &sockbuflen)) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_GETSOCKOPTERR, 5, RTS_ERROR_LITERAL("SO_RCVBUF"), real_errno, errlen, errptr); return FALSE; } } temp_1 = tcp_routines.aa_bind(socketptr->sd, SOCKET_LOCAL_ADDR(socketptr), ai_ptr->ai_addrlen); if (temp_1 < 0) { real_errno = errno; no_time_left = TRUE; switch (real_errno) { case EADDRINUSE: if (NO_M_TIMEOUT != timepar) { sys_get_curr_time(&cur_time); cur_time = sub_abs_time(&end_time, &cur_time); if (cur_time.at_sec > 0) no_time_left = FALSE; } break; case EINTR: break; default: SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_SOCKBIND, 0, real_errno, 0); break; } if (no_time_left) return FALSE; hiber_start(100); tcp_routines.aa_close(socketptr->sd); if (-1 == (socketptr->sd = tcp_routines.aa_socket(ai_ptr->ai_family,ai_ptr->ai_socktype, ai_ptr->ai_protocol))) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_SOCKINIT, 3, real_errno, errlen, errptr); return FALSE; } } } while (temp_1 < 0); /* obtain actual port from the bound address if port 0 was specified */ addrlen = SOCKET_ADDRLEN(socketptr, ai_ptr, local); if (-1 == tcp_routines.aa_getsockname(socketptr->sd, SOCKET_LOCAL_ADDR(socketptr), &addrlen)) { real_errno = errno; errptr = (char *)STRERROR(real_errno); errlen = STRLEN(errptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_GETSOCKNAMERR, 3, real_errno, errlen, errptr); return FALSE; } assert(ai_ptr->ai_addrlen == addrlen); GETNAMEINFO(SOCKET_LOCAL_ADDR(socketptr), addrlen, NULL, 0, port_buffer, NI_MAXSERV, NI_NUMERICSERV, errcode); if (0 != errcode) { SOCKET_FREE(socketptr); RTS_ERROR_ADDRINFO(NULL, ERR_GETNAMEINFO, errcode); return FALSE; } actual_port = ATOI(port_buffer); if (0 == socketptr->local.port) socketptr->local.port = actual_port; assert(socketptr->local.port == actual_port); socketptr->state = socket_bound; len = SIZEOF(BOUND) - 1; memcpy(&dsocketptr->iod->dollar.key[0], BOUND, len); dsocketptr->iod->dollar.key[len++] = '|'; memcpy(&dsocketptr->iod->dollar.key[len], socketptr->handle, socketptr->handle_len); len += socketptr->handle_len; dsocketptr->iod->dollar.key[len++] = '|'; SPRINTF(&dsocketptr->iod->dollar.key[len], "%d", socketptr->local.port); return TRUE; }
socket_struct *iosocket_create(char *sockaddr, uint4 bfsize, int file_des, boolean_t listen_specified) { socket_struct *socketptr; socket_struct *prev_socketptr; socket_struct *socklist_head; boolean_t passive = FALSE; unsigned short port; int ii, save_errno, tmplen, errlen, sockaddrlen; char temp_addr[SA_MAXLITLEN], protocolstr[6], *adptr; const char *errptr; struct addrinfo *ai_ptr; struct addrinfo hints, *addr_info_ptr = NULL; #ifndef VMS struct sockaddr_un *sa_un_ptr, sa_un_trans; mval localpath; mstr transpath; int trans_status; #endif enum socket_protocol protocol; int af; int sd; int errcode; char host_buffer[NI_MAXHOST]; char port_buffer[NI_MAXSERV]; int port_buffer_len; int colon_cnt, protooffset; char *last_2colon = NULL; int addrlen; GTM_SOCKLEN_TYPE tmp_addrlen; if (0 > file_des) { /* no socket descriptor yet */ memset(&hints, 0, SIZEOF(hints)); protooffset = colon_cnt = 0; sockaddrlen = STRLEN(sockaddr); for (ii = sockaddrlen - 1; 0 <= ii; ii--) { if (SEPARATOR == sockaddr[ii]) { colon_cnt++; if (1 == colon_cnt) protooffset = ii + 1; else { last_2colon = &sockaddr[ii]; break; } } } if (0 == colon_cnt) { rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_INVPORTSPEC); return NULL; } tmplen = sockaddrlen - protooffset; if (SIZEOF(protocolstr) <= tmplen) { /* last piece just too big to be valid */ rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_PROTNOTSUP, 2, tmplen , &sockaddr[protooffset]); return NULL; } lower_to_upper((uchar_ptr_t)protocolstr, (uchar_ptr_t)&sockaddr[protooffset], tmplen); if (((SIZEOF("TCP") - 1) == tmplen) && (0 == MEMCMP_LIT(protocolstr, "TCP"))) protocol = socket_tcpip; # ifndef VMS else if (((SIZEOF("LOCAL") - 1) == tmplen) && (0 == MEMCMP_LIT(protocolstr, "LOCAL"))) protocol = socket_local; # endif else { rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) ERR_PROTNOTSUP, 2, tmplen , &sockaddr[protooffset]); return NULL; } if (socket_tcpip == protocol) { if (1 == colon_cnt) { /* for listening socket or broadcasting socket */ if (!listen_specified || (SSCANF(sockaddr, PORT_PROTO_FORMAT, &port, protocolstr) < 2)) { rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_INVPORTSPEC); return NULL; } passive = TRUE; /* We always first try using IPv6 address, if supported */ af = ((GTM_IPV6_SUPPORTED && !ipv4_only) ? AF_INET6 : AF_INET); if (-1 == (sd = socket(af, SOCK_STREAM, IPPROTO_TCP))) { /* Try creating IPv4 socket */ af = AF_INET; if (-1 == (sd = socket(af, SOCK_STREAM, IPPROTO_TCP))) { save_errno = errno; errptr = (char *)STRERROR(save_errno); errlen = STRLEN(errptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_SOCKINIT, 3, save_errno, errlen, errptr); return NULL; } } SERVER_HINTS(hints, af); port_buffer_len = 0; I2A(port_buffer, port_buffer_len, port); port_buffer[port_buffer_len]='\0'; if (0 != (errcode = getaddrinfo(NULL, port_buffer, &hints, &addr_info_ptr))) { close(sd); RTS_ERROR_ADDRINFO(NULL, ERR_GETADDRINFO, errcode); return NULL; } SOCKET_ALLOC(socketptr); socketptr->local.port = port; socketptr->temp_sd = sd; socketptr->sd = FD_INVALID; ai_ptr = &(socketptr->local.ai); memcpy(ai_ptr, addr_info_ptr, SIZEOF(struct addrinfo)); SOCKET_AI_TO_LOCAL_ADDR(socketptr, addr_info_ptr); ai_ptr->ai_addr = SOCKET_LOCAL_ADDR(socketptr); ai_ptr->ai_addrlen = addr_info_ptr->ai_addrlen; ai_ptr->ai_next = NULL; freeaddrinfo(addr_info_ptr); } else { /* connection socket */ assert(2 == colon_cnt); if (listen_specified || (SSCANF(last_2colon + 1, PORT_PROTO_FORMAT, &port, protocolstr) < 2)) { rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_INVADDRSPEC); return NULL; } /* for connection socket */ SPRINTF(port_buffer, "%hu", port); addrlen = last_2colon - sockaddr; if ('[' == sockaddr[0]) { if (NULL == memchr(sockaddr, ']', addrlen)) { rts_error_csa(CSA_ARG(NULL) VARLSTCNT(1) ERR_INVADDRSPEC); return NULL; } addrlen -= 2; memcpy(temp_addr, &sockaddr[1], addrlen); } else memcpy(temp_addr, sockaddr, addrlen); temp_addr[addrlen] = 0; CLIENT_HINTS(hints); if (0 != (errcode = getaddrinfo(temp_addr, port_buffer, &hints, &addr_info_ptr))) { RTS_ERROR_ADDRINFO(NULL, ERR_GETADDRINFO, errcode); return NULL; } /* we will test all address families in iosocket_connect() */ SOCKET_ALLOC(socketptr); socketptr->remote.ai_head = addr_info_ptr; socketptr->remote.port = port; socketptr->sd = socketptr->temp_sd = FD_INVALID; /* don't mess with 0 */ } # ifndef VMS } else if (socket_local == protocol) { /* should we get_full_path first */ /* check protooffset < sizeof sun_path */ /* protooffset is after colon */ SOCKET_ALLOC(socketptr); socketptr->protocol = socket_local; sa_un_ptr = malloc(SIZEOF(struct sockaddr_un)); sa_un_ptr->sun_family = AF_UNIX; MV_INIT_STRING(&localpath, protooffset - 1, sockaddr); trans_status = TRANS_LOG_NAME(&localpath.str, &transpath, sa_un_trans.sun_path, (int)SIZEOF(sa_un_trans.sun_path), dont_sendmsg_on_log2long); if (SS_LOG2LONG == trans_status) { /* if LOG2LONG, returned len not valid so report untranslated length */ SOCKET_FREE(socketptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_ADDRTOOLONG, 4, localpath.str.len, localpath.str.addr, localpath.str.len, SIZEOF(sa_un_trans.sun_path)); return NULL; } memcpy(sa_un_ptr->sun_path, transpath.addr, transpath.len); sa_un_ptr->sun_path[transpath.len] = '\0'; if (listen_specified) { passive = TRUE; socketptr->local.sa = (struct sockaddr *)sa_un_ptr; socketptr->local.ai.ai_family = AF_UNIX; socketptr->local.ai.ai_socktype = SOCK_STREAM; socketptr->local.ai.ai_addrlen = (size_t)((struct sockaddr_un *)0)->sun_path + protooffset; if (-1 == (sd = socket(AF_UNIX, SOCK_STREAM, 0))) { save_errno = errno; SOCKET_FREE(socketptr); errptr = (char *)STRERROR(save_errno); errlen = STRLEN(errptr); rts_error_csa(CSA_ARG(NULL) VARLSTCNT(5) ERR_SOCKINIT, 3, save_errno, errlen, errptr); return NULL; } socketptr->temp_sd = sd; socketptr->sd = FD_INVALID; } else { socketptr->remote.sa = (struct sockaddr *)sa_un_ptr; /* setup remote fields */ socketptr->remote.ai.ai_family = AF_UNIX; socketptr->remote.ai.ai_socktype = SOCK_STREAM; socketptr->remote.ai.ai_addrlen = (size_t)((struct sockaddr_un *)0)->sun_path + protooffset; socketptr->sd = socketptr->temp_sd = FD_INVALID; /* don't mess with 0 */ } # endif } else