diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4sock26.c |
Initial commit
Diffstat (limited to 'support/dktools/dk4sock26.c')
-rw-r--r-- | support/dktools/dk4sock26.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/support/dktools/dk4sock26.c b/support/dktools/dk4sock26.c new file mode 100644 index 0000000000..793b5dff0a --- /dev/null +++ b/support/dktools/dk4sock26.c @@ -0,0 +1,289 @@ +/* + 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; +} + |