/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk4sock26.ctr */ /* Copyright (C) 2015-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk4sock26.c The dk4sock26 module. */ #line 8 "dk4sock26.ctr" #include "dk4conf.h" #include "dk4types.h" #include "dk4error.h" #include "dk4mem.h" #include "dk4sock.h" #include "dk4str8.h" #include "dk4mai8dsz.h" #line 22 "dk4sock26.ctr" #if TRACE_DEBUG static void dk4socket_c8_debug_allowed_peer(dk4_allowed_peer_t *peerptr) { FILE *fipo; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 unsigned char *ucptr; size_t i; size_t pass; #endif unsigned long ul1, ul2; fipo = dktrace_file(); if (NULL != fipo) { switch (peerptr->af) { case AF_INET : { ul1 = (peerptr->data).ipv4.ad.s_addr; ul2 = (peerptr->data).ipv4.ma.s_addr; ul1 = dk4socket_ntohl(ul1); ul2 = dk4socket_ntohl(ul2); fprintf( fipo, "Address/Mask: %lu.%lu.%lu.%lu/%lu.%lu.%lu.%lu\n", ((ul1 >> 24) & 0x000000FFUL), ((ul1 >> 16) & 0x000000FFUL), ((ul1 >> 8) & 0x000000FFUL), ((ul1 ) & 0x000000FFUL), ((ul2 >> 24) & 0x000000FFUL), ((ul2 >> 16) & 0x000000FFUL), ((ul2 >> 8) & 0x000000FFUL), ((ul2 ) & 0x000000FFUL) ); } break; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 case AF_INET6 : { fputs("Address/Mask: ", fipo); for (pass = 0; pass < 2; pass++) { if (0 != pass) { fputc('/', fipo); ucptr = &((peerptr->data).ipv6.ma.s6_addr[0]); } else { ucptr = &((peerptr->data).ipv6.ad.s6_addr[0]); } for (i = 0; i < 16; i++) { if ((0 != i) && (0 == (i % 2))) { fputc(':', fipo); } fprintf(fipo, "%02x", *(ucptr++)); } } fputc('\n', fipo); } break; #endif } } } #endif int dk4socket_c8_get_allowed_peer( dk4_allowed_peer_t *peerptr, const char *str, dk4_er_t *erp ) { char mycp[128]; IN_ADDR in4; IN_ADDR ma4; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 IN6_ADDR in6; IN6_ADDR ma6; #endif char *maptr; const char *endptr = NULL; size_t bitno = 0; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 size_t i = 0; #endif unsigned long nm4 = 0UL; int back = DK4_SOCKET_RESULT_FAILED; int af = AF_UNSPEC; int res = 0; #line 113 "dk4sock26.ctr" if ((NULL != peerptr) && (NULL != str)) { if (0 != dk4str8_cpy_s(mycp, sizeof(mycp), str, erp)) { maptr = dk4str8_chr(mycp, '/'); if (NULL != maptr) { *(maptr++) = '\0'; } back = dk4socket_c8_inet_pton( &in4, sizeof(in4), AF_INET, mycp, erp); if (DK4_SOCKET_RESULT_SUCCESS == back) { af = AF_INET; } #if DK4_HAVE_STRUCT_SOCKADDR_IN6 else { back = dk4socket_c8_inet_pton( &in6, sizeof(in6), AF_INET6, mycp, erp); if (DK4_SOCKET_RESULT_SUCCESS == back) { af = AF_INET6; } } #endif if (DK4_SOCKET_RESULT_SUCCESS == back) { back = DK4_SOCKET_RESULT_FAILED; if (NULL != maptr) { #line 128 "dk4sock26.ctr" res = dk4ma_input_c8_dec_size_t(&bitno, maptr, &endptr, 1, NULL); if (0 != res) { #line 130 "dk4sock26.ctr" /* Bit number was specified. */ switch (af) { case AF_INET : { if (0 != dk4socket_mask_bits(&nm4, bitno, erp)) { ma4.s_addr = dk4socket_htonl(nm4); DK4_MEMCPY(&((peerptr->data).ipv4.ad),&in4,sizeof(in4)); DK4_MEMCPY(&((peerptr->data).ipv4.ma),&ma4,sizeof(ma4)); peerptr->af = af; back = DK4_SOCKET_RESULT_SUCCESS; } else { #line 141 "dk4sock26.ctr" } } break; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 case AF_INET6 : { back = dk4socket_mask6_bits(&ma6, bitno, erp); if (DK4_SOCKET_RESULT_SUCCESS == back) { DK4_MEMCPY(&((peerptr->data).ipv6.ad),&in6,sizeof(in6)); DK4_MEMCPY(&((peerptr->data).ipv6.ma),&ma6,sizeof(ma6)); peerptr->af = af; } else { #line 151 "dk4sock26.ctr" } } break; #endif default : { /* Must not happen */ } break; } } else { #line 159 "dk4sock26.ctr" /* Not a bit number, probably an address. */ switch (af) { case AF_INET : { back = dk4socket_c8_inet_pton( &ma4, sizeof(ma4), AF_INET, maptr, erp ); if (DK4_SOCKET_RESULT_SUCCESS == back) { DK4_MEMCPY(&((peerptr->data).ipv4.ad),&in4,sizeof(in4)); DK4_MEMCPY(&((peerptr->data).ipv4.ma),&ma4,sizeof(ma4)); peerptr->af = af; } else { #line 171 "dk4sock26.ctr" } } break; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 case AF_INET6 : { back = dk4socket_c8_inet_pton( &ma6, sizeof(ma6), AF_INET6, maptr, erp ); if (DK4_SOCKET_RESULT_SUCCESS == back) { DK4_MEMCPY(&((peerptr->data).ipv6.ad),&in6,sizeof(in6)); DK4_MEMCPY(&((peerptr->data).ipv6.ma),&ma6,sizeof(ma6)); peerptr->af = af; } else { #line 183 "dk4sock26.ctr" } } break; #endif } } } else { #line 189 "dk4sock26.ctr" /* Host was specified */ switch (af) { case AF_INET : { ma4.s_addr = dk4socket_htonl(0xFFFFFFFFUL); DK4_MEMCPY(&((peerptr->data).ipv4.ad), &in4, sizeof(in4)); DK4_MEMCPY(&((peerptr->data).ipv4.ma), &ma4, sizeof(ma4)); peerptr->af = af; back = DK4_SOCKET_RESULT_SUCCESS; } break; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 case AF_INET6 : { for (i = 0; i < 16; i++) { ma6.s6_addr[i] = 0xFF; } DK4_MEMCPY(&((peerptr->data).ipv6.ad), &in6, sizeof(in6)); DK4_MEMCPY(&((peerptr->data).ipv6.ma), &ma6, sizeof(ma6)); peerptr->af = af; back = DK4_SOCKET_RESULT_SUCCESS; } break; #endif default : { /* Must not happen */ } break; } } } else { #line 214 "dk4sock26.ctr" } } else { #line 216 "dk4sock26.ctr" } } else { #line 218 "dk4sock26.ctr" dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } #if TRACE_DEBUG if (DK4_SOCKET_RESULT_SUCCESS == back) { dk4socket_c8_debug_allowed_peer(peerptr); } #endif #line 226 "dk4sock26.ctr" return back; }