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/* SASL Config file API
* Rob Siemborski
* Tim Martin (originally in Cyrus distribution)
*/
/*
* Copyright (c) 1998-2016 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any other legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "sasl.h"
#include "saslint.h"
struct configlist {
char *key;
char *value;
};
static struct configlist *configlist = NULL;
static int nconfiglist = 0;
#define CONFIGLISTGROWSIZE 100
int sasl_config_init(const char *filename)
{
FILE *infile;
int lineno = 0;
int alloced = 0;
char buf[4096];
char *p, *key;
char *tail;
int result;
nconfiglist=0;
infile = fopen(filename, "r");
if (!infile) {
return SASL_CONTINUE;
}
while (fgets(buf, sizeof(buf), infile)) {
lineno++;
if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = '\0';
for (p = buf; *p && isspace((int) *p); p++);
if (!*p || *p == '#') continue;
key = p;
while (*p && (isalnum((int) *p) || *p == '-' || *p == '_')) {
if (isupper((int) *p)) *p = (char) tolower(*p);
p++;
}
if (*p != ':') {
fclose(infile);
return SASL_CONFIGERR;
}
*p++ = '\0';
while (*p && isspace((int) *p)) p++;
if (!*p) {
fclose(infile);
return SASL_CONFIGERR;
}
/* Now strip trailing spaces, if any */
tail = p + strlen(p) - 1;
while (tail > p && isspace((int) *tail)) {
*tail = '\0';
tail--;
}
if (nconfiglist == alloced) {
alloced += CONFIGLISTGROWSIZE;
configlist=sasl_REALLOC((char *)configlist,
alloced * sizeof(struct configlist));
if (configlist == NULL) {
fclose(infile);
return SASL_NOMEM;
}
}
result = _sasl_strdup(key,
&(configlist[nconfiglist].key),
NULL);
if (result != SASL_OK) {
fclose(infile);
return result;
}
result = _sasl_strdup(p,
&(configlist[nconfiglist].value),
NULL);
if (result != SASL_OK) {
fclose(infile);
return result;
}
nconfiglist++;
}
fclose(infile);
return SASL_OK;
}
const char *sasl_config_getstring(const char *key,const char *def)
{
int opt;
for (opt = 0; opt < nconfiglist; opt++) {
if (*key == configlist[opt].key[0] &&
!strcmp(key, configlist[opt].key))
return configlist[opt].value;
}
return def;
}
void sasl_config_done(void)
{
int opt;
for (opt = 0; opt < nconfiglist; opt++) {
if (configlist[opt].key) sasl_FREE(configlist[opt].key);
if (configlist[opt].value) sasl_FREE(configlist[opt].value);
}
sasl_FREE(configlist);
configlist = NULL;
nconfiglist = 0;
}
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