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Add options to enforce IPv4 or IPv6 connections to the local proxy

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This commit is contained in:
Sven Geuer 2023-09-02 19:29:47 +02:00
parent 16500d2628
commit 20e1ea379a
4 changed files with 42 additions and 2 deletions
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32
cmdline.c
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@ -73,6 +73,8 @@ void cmdline_parser_print_help (void) {
" -z, --no-check-certificate Don't verify server SSL certificate\n"
" -C, --cacert=STRING Path to trusted CA certificate or directory\n"
#endif
" -4, --ipv4 Enforce IPv4 connection to local proxy\n"
" -6, --ipv6 Enforce IPv6 connection to local proxy\n"
" -F, --passfile=STRING File with credentials for proxy authentication\n"
" -P, --proxyauth=STRING Proxy auth credentials user:pass combination\n"
" -R, --remproxyauth=STRING Remote proxy auth credentials user:pass combination\n"
@ -179,6 +181,8 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
args_info->host_arg = NULL; \
args_info->no_check_cert_flag = 0; \
args_info->cacert_arg = NULL; \
args_info->enforceipv4_flag = 0; \
args_info->enforceipv6_flag = 0; \
}
clear_args();
@ -227,12 +231,14 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
{ "no-ssl3", 0, NULL, 'T' },
{ "no-check-certificate",0,NULL,'z' },
{ "cacert", 1, NULL, 'C' },
{ "ipv4", 0, NULL, '4' },
{ "ipv6", 0, NULL, '6' },
{ NULL, 0, NULL, 0 }
};
c = getopt_long (argc, argv, "hVia:u:s:t:F:p:P:r:R:d:H:x:nvNeEXWBqLo:TzC:", long_options, &option_index);
c = getopt_long (argc, argv, "hVia:u:s:t:F:p:P:r:R:d:H:x:nvNeEXWBqLo:TzC:46", long_options, &option_index);
#else
c = getopt( argc, argv, "hVia:u:s:t:F:p:P:r:R:d:H:x:nvNeEXWBqLo:TzC:" );
c = getopt( argc, argv, "hVia:u:s:t:F:p:P:r:R:d:H:x:nvNeEXWBqLo:TzC:46" );
#endif
if (c == -1)
@ -478,6 +484,28 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
args_info->cacert_arg = gengetopt_strdup (optarg);
break;
case '4': /* Enforce IPv4 */
if ( args_info->enforceipv6_flag ) {
fprintf( stderr, "%s: `--ipv4' (`-4') conflicts with `--ipv6' (`-6')\n", PACKAGE );
clear_args();
exit(1);
}
args_info->enforceipv4_flag = 1;
if( args_info->verbose_flag )
message("IPv4 enforced\n");
break;
case '6': /* Enforce IPv6 */
if ( args_info->enforceipv4_flag ) {
fprintf( stderr, "%s: `--ipv6' (`-6') conflicts with `--ipv4' (`-4')\n", PACKAGE );
clear_args();
exit(1);
}
args_info->enforceipv6_flag = 1;
if( args_info->verbose_flag )
message("IPv6 enforced\n");
break;
case 0: /* Long option with no short option */
case '?': /* Invalid option. */