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/*****************************************************************************
*
* Nagios-plugins extra_opts library
*
* License: GPL
* Copyright (c) 2007 Nagios Plugins Development Team
*
* Last Modified: $Date: 2008-03-15 18:42:01 -0400 (Sat, 15 Mar 2008) $
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* $Id: parse_ini.c 1950 2008-03-15 22:42:01Z dermoth $
*
*****************************************************************************/
#include "common.h"
#include "extra_opts.h"
#include "parse_ini.h"
#include "utils_base.h"
#include <ctype.h>
/* FIXME: copied from utils.h; we should move a bunch of libs! */
int
is_option (char *str)
{
if (!str)
return 0;
else if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
return 1;
else
return 0;
}
/* this is the externally visible function used by plugins */
/* Shouldn't se modify directly **argv (passed as a char ***) and argc
* (as int *) ?
*/
char **np_extra_opts(int argc, char **argv, const char *plugin_name, int *argc_new){
np_arg_list *extra_args=NULL, *ea_tmp1=NULL, *ea_tmp2=NULL;
char **argv_new=NULL;
char *argptr=NULL;
int i, j, optfound, ea_num=argc;
if(argc<2) {
/* No arguments provided */
*argc_new=argc;
argv_new=argv;
return argv_new;
}
for(i=1; i<argc; i++){
argptr=NULL;
optfound=0;
/* Do we have an extra-opts parameter? */
if(strncmp(argv[i], "--extra-opts=", 13)==0){
/* It is a single argument with value */
argptr=argv[i]+13;
/* Delete the extra opts argument */
for(j=i;j<argc;j++) argv[j]=argv[j+1];
i--;
argc--;
}else if(strcmp(argv[i], "--extra-opts")==0){
if(!is_option(argv[i+1])){
/* It is a argument with separate value */
argptr=argv[i+1];
/* Delete the extra-opts argument/value */
for(j=i;j<argc-1;j++) argv[j]=argv[j+2];
i-=2;
argc-=2;
ea_num--;
}else{
/* It has no value */
optfound=1;
/* Delete the extra opts argument */
for(j=i;j<argc;j++) argv[j]=argv[j+1];
i--;
argc--;
}
}
if(argptr||optfound){
/* Process ini section, returning a linked list of arguments */
ea_tmp1=np_get_defaults(argptr, plugin_name);
if(ea_tmp1==NULL) {
/* no extra args? */
ea_num--;
continue;
}
/* append the list to extra_args */
if(extra_args==NULL){
extra_args=ea_tmp2=ea_tmp1;
while(ea_tmp2->next) {
ea_tmp2=ea_tmp2->next;
ea_num++;
}
}else{
ea_tmp2=extra_args;
while(ea_tmp2->next) {
ea_tmp2=ea_tmp2->next;
ea_num++;
}
ea_tmp2->next=ea_tmp1;
}
ea_tmp1=ea_tmp2=NULL;
}
/* lather, rince, repeat */
}
if(ea_num==argc && extra_args==NULL){
/* No extra-opts */
*argc_new=argc;
argv_new=argv;
return argv_new;
}
/* done processing arguments. now create a new argc/argv set... */
argv_new=(char**)malloc((ea_num+1)*sizeof(char**));
if(argv_new==NULL) die(STATE_UNKNOWN, _("malloc() failed!\n"));
/* starting with program name (Should we strdup or just use the poiter?) */
argv_new[0]=strdup(argv[0]);
*argc_new=1;
/* then parsed ini opts (frying them up in the same run) */
while(extra_args){
argv_new[*argc_new]=strdup(extra_args->arg);
*argc_new+=1;
ea_tmp1=extra_args;
extra_args=extra_args->next;
free(ea_tmp1);
}
/* finally the rest of the argv array (Should we strdup or just use the poiter?) */
for (i=1; i<argc; i++){
argv_new[*argc_new]=strdup(argv[i]);
*argc_new+=1;
}
/* and terminate. */
argv_new[*argc_new]=NULL;
return argv_new;
}
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