void recreate_passwd_unix(int force_create)
{
FILE *fp1, *fp2;
int i, uid, sh_num;
char tmp[32], *rootnm, *usernm;
rootnm = nvram_safe_get("http_username");
if (strlen(rootnm) < 1)
rootnm = SYS_USER_ROOT;
fp1 = fopen("/etc/passwd", "w");
fp2 = fopen("/etc/group", "w");
if (fp1 && fp2) {
fprintf(fp1, "%s:x:%d:%d::%s:%s\n", rootnm, 0, 0, SYS_HOME_PATH_ROOT, SYS_SHELL);
fprintf(fp1, "%s:x:%d:%d::%s:%s\n", SYS_USER_NOBODY, 99, 99, "/media", "/bin/false");
fprintf(fp1, "%s:x:%d:%d::%s:%s\n", "sshd", 100, 99, "/var/empty", "/bin/false");
fprintf(fp2, "%s:x:%d:%s\n", SYS_GROUP_ROOT, 0, rootnm);
fprintf(fp2, "%s:x:%d:\n", SYS_GROUP_NOGROUP, 99);
uid = 1000;
sh_num = nvram_safe_get_int("acc_num", 0, 0, 100);
for (i=0; i<sh_num; i++) {
snprintf(tmp, sizeof(tmp), "acc_username%d", i);
usernm = nvram_safe_get(tmp);
if (*usernm && strcmp(usernm, "root") &&
strcmp(usernm, rootnm) &&
strcmp(usernm, SYS_USER_NOBODY) &&
strcmp(usernm, "sshd")) {
fprintf(fp1, "%s:x:%d:%d:::\n", usernm, uid, uid);
fprintf(fp2, "%s:x:%d:\n", usernm, uid);
uid++;
}
}
}
if (fp1)
fclose(fp1);
if (fp2)
fclose(fp2);
chmod("/etc/passwd", 0644);
chmod("/etc/group", 0644);
if (force_create) {
fp1 = fopen("/etc/shadow", "w");
if (fp1) {
fprintf(fp1, "%s:%s:%d:0:99999:7:::\n", rootnm, "", 16000);
fprintf(fp1, "%s:%s:%d:0:99999:7:::\n", SYS_USER_NOBODY, "*", 16000);
fprintf(fp1, "%s:%s:%d:0:99999:7:::\n", "sshd", "*", 16000);
fclose(fp1);
}
chmod("/etc/shadow", 0640);
change_passwd_unix(rootnm, nvram_safe_get("http_passwd"));
}
}
void recreate_passwd_unix(int force_create)
{
FILE *fp1, *fp2;
int i, uid, sh_num;
char tmpusernm[32];
char *rootnm, *usernm;
rootnm = nvram_safe_get("http_username");
if (!*rootnm) rootnm = "admin";
fp1 = fopen("/etc/passwd", "w");
fp2 = fopen("/etc/group", "w");
if (fp1 && fp2)
{
fprintf(fp1, "%s:x:%d:%d::%s:%s\n", rootnm, 0, 0, "/home/admin", "/bin/sh");
fprintf(fp1, "%s:x:%d:%d::%s:%s\n", "nobody", 99, 99, "/media", "/bin/false");
fprintf(fp2, "%s:x:%d:%s\n", rootnm, 0, rootnm);
fprintf(fp2, "%s:x:%d:\n", "nogroup", 99);
sh_num = nvram_get_int("acc_num");
if (sh_num > 100) sh_num = 100;
memset(tmpusernm, 0, sizeof(tmpusernm));
uid=1000;
for (i=0; i<sh_num; i++)
{
sprintf(tmpusernm, "acc_username%d", i);
usernm = nvram_safe_get(tmpusernm);
if (*usernm && strcmp(usernm, "root") && strcmp(usernm, "nobody") && strcmp(usernm, rootnm))
{
fprintf(fp1, "%s:x:%d:%d:::\n", usernm, uid, uid);
fprintf(fp2, "%s:x:%d:\n", usernm, uid);
uid++;
}
}
}
if (fp1) fclose(fp1);
if (fp2) fclose(fp2);
chmod("/etc/passwd", 0644);
chmod("/etc/group", 0644);
if (force_create)
{
fp1 = fopen("/etc/shadow", "w");
if (fp1)
{
fprintf(fp1, "%s:%s:%d:0:99999:7:::\n", rootnm, "", 16000);
fprintf(fp1, "%s:%s:%d:0:99999:7:::\n", "nobody", "*", 16000);
fclose(fp1);
}
chmod("/etc/shadow", 0640);
change_passwd_unix(rootnm, nvram_safe_get("http_passwd"));
}
}
