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Read arbitrary hostname lengths on the command line

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This commit is contained in:
Stephen Kent 2016-08-18 10:13:37 -07:00
parent dbc176ada4
commit e771c3aaee
1 changed files with 9 additions and 3 deletions
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12
cmdline.c
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@ -503,12 +503,18 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
}
if (args_info->proxy_given ) {
char proxy_arg_fmt[32];
size_t proxy_arg_len;
char * phost;
int pport;
phost = malloc( 50+1 );
r = sscanf( args_info->proxy_arg, "%50[^:]:%5u", phost, &pport );
proxy_arg_len = strlen( args_info->proxy_arg );
if ( (phost = malloc( proxy_arg_len + 1 )) == NULL ) {
message( "Out of memory\n" );
exit(1);
}
snprintf( proxy_arg_fmt, sizeof(proxy_arg_fmt), "%%%zu[^:]:%%5u", proxy_arg_len - 1 );
r = sscanf( args_info->proxy_arg, proxy_arg_fmt, phost, &pport );
if ( r == 2 ) {
args_info->proxyhost_arg = phost;
args_info->proxyport_arg = pport;