/*
* Return the next au_class_ent structure from the file setauclass should be
* called before invoking this function for the first time.
*
* Must be called with mutex held.
*/
static struct au_class_ent *
getauclassent_r_locked(struct au_class_ent *c)
{
char *tokptr, *nl;
if ((fp == NULL) && ((fp = fopen(AUDIT_CLASS_FILE, "r")) == NULL))
return (NULL);
/*
* Read until next non-comment line is found, or EOF.
*/
while (1) {
if (fgets(linestr, AU_LINE_MAX, fp) == NULL)
return (NULL);
/* Skip comments. */
if (linestr[0] == '#')
continue;
/* Remove trailing new line character. */
if ((nl = strrchr(linestr, '\n')) != NULL)
*nl = '\0';
/* Parse tokptr to au_class_ent components. */
tokptr = linestr;
if (classfromstr(tokptr, c) == NULL)
return (NULL);
break;
}
return (c);
}
/*
* Return the next au_class_entry having the given class name
*/
struct au_class_ent *getauclassnam(const char *name)
{
struct au_class_ent *c;
char *nl;
if(name == NULL) {
return NULL;
}
/* Rewind to beginning of file */
setauclass();
pthread_mutex_lock(&mutex);
if((fp == NULL)
&& ((fp = fopen(AUDIT_CLASS_FILE, "r")) == NULL)) {
pthread_mutex_unlock(&mutex);
return NULL;
}
c = get_class_area(); /* allocate */
if(c == NULL) {
pthread_mutex_unlock(&mutex);
return NULL;
}
while(fgets(linestr, AU_LINE_MAX, fp) != NULL) {
/* Remove trailing new line character */
if((nl = strrchr(linestr, '\n')) != NULL) {
*nl = '\0';
}
/* parse tokptr to au_class_ent components */
if(classfromstr(linestr, delim, c) != NULL) {
if(!strcmp(name, c->ac_name)) {
pthread_mutex_unlock(&mutex);
return c;
}
}
}
free_au_class_ent(c);
pthread_mutex_unlock(&mutex);
return NULL;
}
/*
* Return the next au_class_ent structure from the file
* setauclass should be called before invoking this function
* for the first time
*/
struct au_class_ent *getauclassent()
{
struct au_class_ent *c;
char *tokptr, *nl;
pthread_mutex_lock(&mutex);
if((fp == NULL)
&& ((fp = fopen(AUDIT_CLASS_FILE, "r")) == NULL)) {
pthread_mutex_unlock(&mutex);
return NULL;
}
if(fgets(linestr, AU_LINE_MAX, fp) == NULL) {
pthread_mutex_unlock(&mutex);
return NULL;
}
/* Remove trailing new line character */
if((nl = strrchr(linestr, '\n')) != NULL) {
*nl = '\0';
}
tokptr = linestr;
c = get_class_area(); /* allocate */
if(c == NULL) {
pthread_mutex_unlock(&mutex);
return NULL;
}
/* parse tokptr to au_class_ent components */
if(classfromstr(tokptr, delim, c) == NULL) {
free_au_class_ent(c);
pthread_mutex_unlock(&mutex);
return NULL;
}
pthread_mutex_unlock(&mutex);
return c;
}
