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#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "check.h"
#define DIR_TYPE_IMAGE ".img"
#define DIR_TYPE_SYSLOG ""
#define DIR_TYPE_CONFIG ".cfg"
#define STARTUP_CONFIG "startup-config.cfg"
int simulate_files(int creat)
{
size_t i;
char *files[] =
{ "config0.cfg", "config1.cfg", "config2.cfg", "config3.cfg",
"rr109.img", "rx100.img", "rx107.img", "rm957.img", "messages"
};
for (i = 0; i < NELEMS(files); i++) {
if (creat)
touch(files[i]);
else
erase(files[i]);
}
if (creat)
symlink("config2.cfg", STARTUP_CONFIG);
else
erase(STARTUP_CONFIG);
return 0;
}
static int cfg_dir_filter(const char *file)
{
/* Skip the STARTUP_CONFIG file, it is a symbolic link to the
* current startup configuration. */
return ! !strcmp(file, STARTUP_CONFIG);
}
static int is_startup_config(const char *entry)
{
static int once = 1;
static char file[80];
if (once) {
int len = readlink(STARTUP_CONFIG, file, sizeof(file));
if (len == -1)
return 0;
file[len] = 0;
once = 0; /* Only once per call to dir() */
}
//printf ("Comparing link %s with entry %s\n", file, entry);
return !strcmp(file, entry);
}
int main(int argc, char *argv[])
{
int i, num;
char *type = DIR_TYPE_CONFIG;
char **files;
simulate_files(1);
if (argc >= 2) {
if (!strcasecmp("CONFIG", argv[1])) {
type = DIR_TYPE_CONFIG;
system("ls -l *" DIR_TYPE_CONFIG);
}
if (!strcasecmp("IMAGE", argv[1])) {
type = DIR_TYPE_IMAGE;
system("ls -l *" DIR_TYPE_IMAGE);
}
if (!strcasecmp("SYSLOG", argv[1])) {
type = DIR_TYPE_SYSLOG;
system("ls -l *");
}
}
num = dir(NULL, type, cfg_dir_filter, &files, 0);
if (num) {
for (i = 0; i < num; i++) {
printf("%s", files[i]);
if (is_startup_config(files[i]))
printf(" --> startup-config");
printf("\n");
free(files[i]);
}
free(files);
}
simulate_files(0);
return 0;
}
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