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internal.cc

Go to the documentation of this file.

#include "ldapconf_defs.h"
#include "popen.h"
#include "daemoni.h"
#include <strings.h>
/*

Small routines which are not LDAP spesific.

*/

/*
    Return value of keyed item, removing the key from the config line
*/

const char *get_keyval (VIEWITEMS &items, const char *key)
{
    const char *ret = NULL;
    VIEWITEM *it = items.locate (key);
    if (it != NULL){
        const char *pt = it->line.get();
        pt = str_skip(pt);
        pt += strlen(key);
        pt = str_skip (pt);
        ret =pt;        
    }
    return ret;
}

const char *get_keyval (VIEWITEMS &items, const char *key, const char *defval)
{
    const char *ret = get_keyval (items,key);
    if (ret == NULL) ret = defval;
    return ret;
}

/*
    Set key and value in the config line
    If value is empty, remove key and value, save comment.
*/

void set_keyval (VIEWITEMS &items, const char *key, const char *val)
{
    VIEWITEM *it = items.locate (key);      
    if (val[0] == '\0'){
        items.remove_del (it);
    }else{
        if (it == NULL){
            it = new VIEWITEM(key);
            items.add (it);
        }
        it->line.setfromf ("%s\t%s",key,val);
    }
}

/* OS functions */

/*
    Run raw system command
*/
int sys_command_raw (
    const char *cmd,
    const char *args,
    SSTRINGS &tb)
{
    int ret = -1;

    D(debugf(2,"sys_command: %s\nargs: %s\n",cmd,args));
    D(debugf(4,"RESULT BEGIN\n\n"));

    POPEN pop (cmd,args);
    if (pop.isok()){
        SSTRINGS tbout_err;
        bool oneerror = false;
        while (pop.wait(30) > 0){
            char buf[1000];
            buf[0] = buf[1] = buf[2] = ' ';
            while (pop.readout(buf+3,sizeof(buf)-4)!=-1){
                tb.add (new SSTRING(buf));
                tbout_err.add (new SSTRING(buf));
                D(debugf(4,"%s",buf));
            }
            
            buf[0] = buf[1] = '*';
            while (pop.readerr(buf+3,sizeof(buf)-4)!=-1){
                tbout_err.add (new SSTRING(buf));
                oneerror = true;
            }
        }
        ret = pop.getstatus();
        if (oneerror){
            dialog_textbox ("Error messages",tbout_err);
        }
    }else{
        xconf_error (MSG_U(E_CANTEXEC,"Can't execute the command\n%s"),cmd);
    }

    D(debugf(4,"\nRESULT END\n") );
    return ret;
}

/*
    Run system command
*/

int sys_command (
    const char *cmd,
    const char *args,
    SSTRINGS &tb)
{
    int ret = -1;
    char title[PATH_MAX+100];
    DAEMON_INTERNAL *dae = daemon_find (cmd);
    if (dae != NULL){
        snprintf (title,sizeof(title)-1
                  ,"%s: %s %s",MSG_U(I_OUTPUT,"Output of command")
                  ,dae->getpath(),args);
        tb.add (new SSTRING(title));
        ret = sys_command_raw (cmd,args,tb);
    }
    return ret;
}

/*
    View a system file
*/

int sys_showfile (
    const char *file,
    SSTRINGS &tb)
{
    char title[PATH_MAX+100];
    snprintf (title,sizeof(title)-1,"%s %s",MSG_U(I_FILE,"File"),file);
    tb.add (new SSTRING(title));
    return sys_command_raw ("cat",file,tb);
}

/*
    Run system command, and show result dialog
*/

void sys_command_title (
    const char *title,
    const char *cmd,
    const char *args)
{
    SSTRINGS tb;
    if (sys_command (cmd,args,tb) != -1){
        dialog_textbox (title,tb);
    }
}

/*

  Get directory listing after filtering it with provided filter

*/
int dir_getfiltered(
    const char *path, 
    SSTRINGS &lst, 
    const char *filter)
{
    int ret = 0;
    SSTRINGS tb;
    SSTRING * lsti=NULL;
    str_splitline(filter,' ',tb); // Get filter components
    dir_getlist (path,lst); // Get directory listing
    for (int i=0; i<lst.getnb(); i++){
        for (int f=0; f<tb.getnb(); f++){   
            lsti=lst.getitem(i);
            if (lsti && lsti->strstr(tb.getitem(f)->get())){
                D(debugf(5,"Directory filter ignore: %s",lsti->get()));
                lst.remove(lsti);
                ret++;
            }
        }
    }
    return ret;
}

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