1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
5  *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
48 FILE *
49 OpenSecret(const char *file)  in OpenSecret()  argument
51   FILE *fp;  in OpenSecret()
54   snprintf(line, sizeof line, "%s/%s", PPP_CONFDIR, file);  in OpenSecret()
62 CloseSecret(FILE *fp)  in CloseSecret()
79   endto = to + LINE_LEN - 1;  in InterpretArg()
109             len = ptr - from - 2;  in InterpretArg()
110             if (endto - to < (int)len )  in InterpretArg()
111               len = endto - to;  in InterpretArg()
133           strncpy(to, env, endto - to);  in InterpretArg()
141         len = ptr ? (size_t)(ptr - from) : strlen(from);  in InterpretArg()
152           strncpy(to, pwd->pw_dir, endto - to);  in InterpretArg()
167     to--;  in InterpretArg()
182 DecodeCtrlCommand(char *line, char *arg)  in DecodeCtrlCommand()  argument
187     end = InterpretArg(line+8, arg);  in DecodeCtrlCommand()
205 AllowUsers(struct cmdargs const *arg)  in AllowUsers()  argument
207   /* arg->bundle may be NULL (see system_IsValid()) ! */  in AllowUsers()
211   if (userok == -1)  in AllowUsers()
216     for (f = arg->argn; f < arg->argc; f++)  in AllowUsers()
217       if (!strcmp("*", arg->argv[f]) || !strcmp(pwd->pw_name, arg->argv[f])) {  in AllowUsers()
227 AllowModes(struct cmdargs const *arg)  in AllowModes()  argument
229   /* arg->bundle may be NULL (see system_IsValid()) ! */  in AllowModes()
233   for (f = arg->argn; f < arg->argc; f++) {  in AllowModes()
234     mode = Nam2mode(arg->argv[f]);  in AllowModes()
236       log_Printf(LogWARN, "allow modes: %s: Invalid mode\n", arg->argv[f]);  in AllowModes()
251   while (len && (line[len-1] == '\n' || line[len-1] == '\r' ||  in strip()
252                  issep(line[len-1])))  in strip()
253     line[--len] = '\0';  in strip()
265 xgets(char *buf, int buflen, FILE *fp)  in xgets()
270   while (fgets(buf, buflen-1, fp)) {  in xgets()
272     buf[buflen-1] = '\0';  in xgets()
274     while (len && (buf[len-1] == '\n' || buf[len-1] == '\r'))  in xgets()
275       buf[--len] = '\0';  in xgets()
276     if (len && buf[len-1] == '\\') {  in xgets()
277       buf += len - 1;  in xgets()
278       buflen -= len - 1;  in xgets()
303   if (argc != 1 || (len = strlen(argv[0])) < 2 || argv[0][len-1] != ':') {  in GetLabel()
304       log_Printf(LogWARN, "Bad label in %s (line %d) - missing colon\n",  in GetLabel()
308   argv[0][len-1] = '\0';	/* Lose the ':' */  in GetLabel()
313 /* Returns -2 for ``file not found'' and -1 for ``label not found'' */
316 ReadSystem(struct bundle *bundle, const char *name, const char *file,  in ReadSystem()  argument
319   FILE *fp;  in ReadSystem()
329   char arg[LINE_LEN];  in ReadSystem()  local
332   if (*file == '/')  in ReadSystem()
333     snprintf(filename, sizeof filename, "%s", file);  in ReadSystem()
335     snprintf(filename, sizeof filename, "%s/%s", PPP_CONFDIR, file);  in ReadSystem()
339     return -2;  in ReadSystem()
356       switch (DecodeCtrlCommand(cp+1, arg)) {  in ReadSystem()
358         log_Printf(LogCOMMAND, "%s: Including \"%s\"\n", filename, arg);  in ReadSystem()
359         n = ReadSystem(bundle, name, arg, prompt, cx, how);  in ReadSystem()
360         log_Printf(LogCOMMAND, "%s: Done include of \"%s\"\n", filename, arg);  in ReadSystem()
397           if ((argc = command_Expand_Interpret(cp, len, argv, cp - line)) < 0)  in ReadSystem()
416 	fclose(fp);  /* everything read - get out */  in ReadSystem()
423   return -1;  in ReadSystem()
431    * functions.  arg->bundle will be set to NULL for these commands !  in system_IsValid()
438   userok = -1;  in system_IsValid()
445   userok = -1;  in system_IsValid()
448     if (rs == -1)  in system_IsValid()
454     if (rs == -1)  in system_IsValid()
457     if (rs == -2)  in system_IsValid()
458       return PPP_CONFDIR "/" CONFFILE " : File not found";  in system_IsValid()
461   if (userok == -1)  in system_IsValid()
477 system_Select(struct bundle *bundle, const char *name, const char *file,  in system_Select()  argument
482   return ReadSystem(bundle, name, file, prompt, cx, SYSTEM_EXEC);  in system_Select()