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/*****************************************************************************
*
* Nagios-plugins extra_opts library
*
* License: GPL
* Copyright (c) 2007 Nagios Plugins Development Team
*
* 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/>.
*
*****************************************************************************/
#include "common.h"
#include "utils_base.h"
#include "parse_ini.h"
#include "extra_opts.h"
/* FIXME: copied from utils.h; we should move a bunch of libs! */
int
is_option2 (char *str)
{
if (!str)
return FALSE;
else if (strspn (str, "-") == 1 || strspn (str, "-") == 2)
return TRUE;
else
return FALSE;
}
/* this is the externally visible function used by plugins */
char **np_extra_opts(int *argc, char **argv, const char *plugin_name){
np_arg_list *extra_args=NULL, *ea1=NULL, *ea_tmp=NULL;
char **argv_new=NULL;
char *argptr=NULL;
int i, j, optfound, argc_new, ea_num=*argc;
if(*argc<2) {
/* No arguments provided */
return argv;
}
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-=1;
}else if(strcmp(argv[i], "--extra-opts")==0){
if((i+1<*argc)&&!is_option2(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-=1;
}
}
/* If we found extra-opts, expand them and store them for later*/
if(argptr||optfound){
/* Process ini section, returning a linked list of arguments */
ea1=np_get_defaults(argptr, plugin_name);
if(ea1==NULL) {
/* no extra args (empty section)? */
ea_num--;
continue;
}
/* append the list to extra_args */
if(extra_args==NULL){
extra_args=ea1;
while(ea1=ea1->next) ea_num++;
}else{
ea_tmp=extra_args;
while(ea_tmp->next) {
ea_tmp=ea_tmp->next;
}
ea_tmp->next=ea1;
while(ea1=ea1->next) ea_num++;
}
ea1=ea_tmp=NULL;
}
} /* lather, rince, repeat */
if(ea_num==*argc && extra_args==NULL){
/* No extra-opts */
return argv;
}
/* done processing arguments. now create a new argv array... */
argv_new=(char**)malloc((ea_num+1)*sizeof(char**));
if(argv_new==NULL) die(STATE_UNKNOWN, _("malloc() failed!\n"));
/* starting with program name */
argv_new[0]=argv[0];
argc_new=1;
/* then parsed ini opts (frying them up in the same run) */
while(extra_args){
argv_new[argc_new++]=extra_args->arg;
ea1=extra_args;
extra_args=extra_args->next;
free(ea1);
}
/* finally the rest of the argv array */
for (i=1; i<*argc; i++) argv_new[argc_new++]=argv[i];
*argc=argc_new;
/* and terminate. */
argv_new[argc_new]=NULL;
return argv_new;
}
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