Mirrors/proxytunnel
1
0
Fork 0
mirror of https://github.com/proxytunnel/proxytunnel.git synced 2026-01-23 02:34:59 +00:00
Code Issues Projects Releases Wiki Activity

Allow for binding to a link-local IPv6 address

Browse source 
Requires to also give the interface like ipv6%interface
This commit is contained in:
Sven Geuer 2023-12-16 23:37:36 +01:00
parent 3c3b5b0858
commit c9503273a7
3 changed files with 33 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

23
cmdline.c
View file

@ -150,6 +150,8 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
args_info->ntlm_given = 0;
args_info->inetd_given = 0;
args_info->standalone_given = 0;
args_info->standalone_addr_given = 0;
args_info->standalone_iface_given = 0;
args_info->header_given = 0;
args_info->domain_given = 0;
args_info->encrypt_given = 0;
@ -184,6 +186,7 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
args_info->inetd_flag = 0; \
args_info->standalone_arg = NULL; \
args_info->standalone_addr = NULL; \
args_info->standalone_iface = NULL; \
args_info->standalone_port = 0; \
args_info->encrypt_flag = 0; \
args_info->encryptproxy_flag = 0; \
@ -665,7 +668,8 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
if ( args_info->standalone_given ) {
char standalone_arg_fmt[32];
size_t standalone_arg_len;
char * aaddr;
char *aaddr;
char *aiface;
int aport;
standalone_arg_len = strlen( args_info->standalone_arg );
@ -673,6 +677,10 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
message( "Out of memory\n" );
exit(1);
}
if ( (aiface = malloc( standalone_arg_len + 1 )) == NULL ) {
message( "Out of memory\n" );
exit(1);
}
/* try IPv4 literal and port */
snprintf( standalone_arg_fmt, sizeof(standalone_arg_fmt), "%%%zu[0-9.]:%%5u", standalone_arg_len - 1 );
r = sscanf( args_info->standalone_arg, standalone_arg_fmt, aaddr, &aport );
@ -681,6 +689,17 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
snprintf( standalone_arg_fmt, sizeof(standalone_arg_fmt), "[%%%zu[0-9A-Fa-f:]]:%%5u", standalone_arg_len - 1 );
r = sscanf( args_info->standalone_arg, standalone_arg_fmt, aaddr, &aport );
}
if ( r != 2 ) {
/* try bracket-enclosed IPv6 literal, interface and port */
snprintf( standalone_arg_fmt, sizeof(standalone_arg_fmt), "[%%%zu[0-9A-Fa-f:]%%%%%%%zu[^]]]:%%5u", standalone_arg_len - 1, standalone_arg_len - 1 );
if ( sscanf( args_info->standalone_arg, standalone_arg_fmt, aaddr, aiface, &aport ) == 3 )
r = 3;
}
if ( r == 3 ) {
args_info->standalone_iface = aiface;
args_info->standalone_iface_given = 1;
r--;
}
if ( r == 2 ) {
args_info->standalone_addr = aaddr;
args_info->standalone_port = aport;
@ -689,7 +708,7 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
} else if ( sscanf( args_info->standalone_arg, "%5u", &aport ) ) {
args_info->standalone_port = aport;
} else {
message( "parse_cmdline: specified standalone argument (%s) does not fit the expected pattern [ip:]port\n", args_info->standalone_arg );
message( "parse_cmdline: specified standalone argument (%s) does not fit one of the expected patterns: port, ipv4:port, [ipv6]:port, [ipv6%%interface]:port\n", args_info->standalone_arg );
missing_required_options++;
}
}