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