1/* 2 * $Id: clientid.c,v 1.1.1.1 2008/10/15 03:30:50 james26_jang Exp $ 3 * 4 * Copyright (C) 1995,1996,1997 Lars Fenneberg 5 * 6 * See the file COPYRIGHT for the respective terms and conditions. 7 * If the file is missing contact me at lf@elemental.net 8 * and I'll send you a copy. 9 * 10 */ 11 12#include <config.h> 13#include <includes.h> 14#include <radiusclient.h> 15 16struct map2id_s { 17 char *name; 18 UINT4 id; 19 20 struct map2id_s *next; 21}; 22 23static struct map2id_s *map2id_list = NULL; 24 25/* 26 * Function: rc_read_mapfile 27 * 28 * Purpose: Read in the ttyname to port id map file 29 * 30 * Arguments: the file name of the map file 31 * 32 * Returns: zero on success, negative integer on failure 33 */ 34 35int rc_read_mapfile(char *filename) 36{ 37 char buffer[1024]; 38 FILE *mapfd; 39 char *c, *name, *id, *q; 40 struct map2id_s *p; 41 int lnr = 0; 42 43 if ((mapfd = fopen(filename,"r")) == NULL) 44 { 45 rc_log(LOG_ERR,"rc_read_mapfile: can't read %s: %s", filename, strerror(errno)); 46 return (-1); 47 } 48 49#define SKIP(p) while(*p && isspace(*p)) p++; 50 51 while (fgets(buffer, sizeof(buffer), mapfd) != NULL) 52 { 53 lnr++; 54 55 q = buffer; 56 57 SKIP(q); 58 59 if ((*q == '\n') || (*q == '#') || (*q == '\0')) 60 continue; 61 62 if (( c = strchr(q, ' ')) || (c = strchr(q,'\t'))) { 63 64 *c = '\0'; c++; 65 SKIP(c); 66 67 name = q; 68 id = c; 69 70 if ((p = (struct map2id_s *)malloc(sizeof(*p))) == NULL) { 71 rc_log(LOG_CRIT,"rc_read_mapfile: out of memory"); 72 return (-1); 73 } 74 75 p->name = strdup(name); 76 p->id = atoi(id); 77 p->next = map2id_list; 78 map2id_list = p; 79 80 } else { 81 82 rc_log(LOG_ERR, "rc_read_mapfile: malformed line in %s, line %d", filename, lnr); 83 return (-1); 84 85 } 86 } 87 88#undef SKIP 89 90 fclose(mapfd); 91 92 return 0; 93} 94 95/* 96 * Function: rc_map2id 97 * 98 * Purpose: Map ttyname to port id 99 * 100 * Arguments: full pathname of the tty 101 * 102 * Returns: port id, zero if no entry found 103 */ 104 105UINT4 rc_map2id(char *name) 106{ 107 struct map2id_s *p; 108 char ttyname[PATH_MAX]; 109 110 *ttyname = '\0'; 111 if (*name != '/') 112 strcpy(ttyname, "/dev/"); 113 114 strncat(ttyname, name, sizeof(ttyname)); 115 116 for(p = map2id_list; p; p = p->next) 117 if (!strcmp(ttyname, p->name)) return p->id; 118 119 rc_log(LOG_WARNING,"rc_map2id: can't find tty %s in map database", ttyname); 120 121 return 0; 122} 123