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/*
* $Id: clientid.c,v 1.1 2004/11/14 07:26:26 paulus Exp $
*
* Copyright (C) 1995,1996,1997 Lars Fenneberg
*
* See the file COPYRIGHT for the respective terms and conditions.
* If the file is missing contact me at lf@elemental.net
* and I'll send you a copy.
*
*/
#include <includes.h>
#include <radiusclient.h>
struct map2id_s {
char *name;
UINT4 id;
struct map2id_s *next;
};
static struct map2id_s *map2id_list = NULL;
/*
* Function: rc_read_mapfile
*
* Purpose: Read in the ttyname to port id map file
*
* Arguments: the file name of the map file
*
* Returns: zero on success, negative integer on failure
*/
int rc_read_mapfile(char *filename)
{
char buffer[1024];
FILE *mapfd;
char *c, *name, *id, *q;
struct map2id_s *p;
int lnr = 0;
if ((mapfd = fopen(filename,"r")) == NULL)
{
error("rc_read_mapfile: can't read %s: %s", filename, strerror(errno));
return (-1);
}
#define SKIP(p) while(*p && isspace(*p)) p++;
while (fgets(buffer, sizeof(buffer), mapfd) != NULL)
{
lnr++;
q = buffer;
SKIP(q);
if ((*q == '\n') || (*q == '#') || (*q == '\0'))
continue;
if (( c = strchr(q, ' ')) || (c = strchr(q,'\t'))) {
*c = '\0'; c++;
SKIP(c);
name = q;
id = c;
if ((p = (struct map2id_s *)malloc(sizeof(*p))) == NULL) {
novm("rc_read_mapfile");
return (-1);
}
p->name = strdup(name);
p->id = atoi(id);
p->next = map2id_list;
map2id_list = p;
} else {
error("rc_read_mapfile: malformed line in %s, line %d", filename, lnr);
return (-1);
}
}
#undef SKIP
fclose(mapfd);
return 0;
}
/*
* Function: rc_map2id
*
* Purpose: Map ttyname to port id
*
* Arguments: full pathname of the tty
*
* Returns: port id, zero if no entry found
*/
UINT4 rc_map2id(char *name)
{
struct map2id_s *p;
char ttyname[PATH_MAX];
*ttyname = '\0';
if (*name != '/')
strcpy(ttyname, "/dev/");
strncat(ttyname, name, sizeof(ttyname)-strlen(ttyname)-1);
for(p = map2id_list; p; p = p->next)
if (!strcmp(ttyname, p->name)) return p->id;
warn("rc_map2id: can't find tty %s in map database", ttyname);
return 0;
}
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