static int do_passwd(u_info *user_info)
{
if (user_info->login == NULL || *(user_info->login) == 0) {
fprintf(stderr, "Missing login\n");
return -1 ;
}
if ((user_info->pwd = do_get_passwd()) == NULL) {
fprintf(stderr, "Error with entering password - aborting\n");
return -1 ;
}
return do_usermod(user_info);
}
static int do_passwd(const char * const file,
PWInfo * const pwinfo)
{
if (pwinfo->login == NULL || *(pwinfo->login) == 0) {
fprintf(stderr, "Missing login\n");
return PW_ERROR_MISSING_LOGIN;
}
if (file == NULL) {
fprintf(stderr, "Missing passwd file\n");
return PW_ERROR_MISSING_PASSWD_FILE;
}
if ((pwinfo->pwd = do_get_passwd()) == NULL) {
fprintf(stderr, "Error with entering password - aborting\n");
return PW_ERROR_ENTER_PASSWD_PW_ERROR;
}
return do_usermod(file, pwinfo);
}
static int do_useradd(const char * const file,
const PWInfo * const pwinfo_)
{
char *file2;
FILE *fp2;
PWInfo pwinfo = *pwinfo_;
if (pwinfo.login == NULL || *(pwinfo.login) == 0) {
fprintf(stderr, "Missing login\n");
return PW_ERROR_MISSING_LOGIN;
}
if (file == NULL) {
fprintf(stderr, "Missing passwd file\n");
return PW_ERROR_MISSING_PASSWD_FILE;
}
if (pwinfo.uid <= (uid_t) 0 || pwinfo.gid <= (gid_t) 0) {
fprintf(stderr, "You must give (non-root) uid and gid\n");
return PW_ERROR_USERADD_NOT_ROOT;
}
if (pwinfo.home == NULL) {
fprintf(stderr, "Missing home directory\n");
return PW_ERROR_USERADD_MISSING_HOME_DIR;
}
if (pwinfo.gecos == NULL) {
if ((pwinfo.gecos = strdup("")) == NULL) {
no_mem();
}
}
if ((pwinfo.pwd = do_get_passwd()) == NULL) {
fprintf(stderr, "Error with entering password - aborting\n");
return PW_ERROR_ENTER_PASSWD_PW_ERROR;
}
{
char *cleartext = pwinfo.pwd;
pwinfo.pwd = best_crypt(cleartext);
if (*cleartext != 0) {
memset(cleartext, 0, strlen(cleartext));
}
}
if ((file2 = newpasswd_filename(file)) == NULL) {
no_mem();
}
if ((fp2 = create_newpasswd(file, file2, pwinfo.login, 1, 0)) == NULL) {
fprintf(stderr, "Error.\n"
"Check that [%s] doesn't already exist,\n"
"and that [%s] can be written.\n",
pwinfo.login, file2);
free(file2);
return PW_ERROR_USER_ALREADY_EXIST;
}
if (add_new_pw_line(fp2, &pwinfo) != 0) {
fprintf(stderr, "Unable to append a line\n");
goto bye;
}
fflush(fp2);
#ifdef HAVE_FILENO
fsync(fileno(fp2));
#endif
if (fclose(fp2) != 0) {
perror("Unable to close the file");
goto bye2;
}
if (rename(file2, file) != 0) {
perror("Unable to rename the file");
goto bye2;
}
free(file2);
return 0;
bye:
fclose(fp2);
bye2:
unlink(file2);
free(file2);
return PW_ERROR_UNEXPECTED_ERROR;
}
int do_useradd( u_info *user_info){
FILE *fp;
FILE *fp_out;
char f_out[MAX_LINE ];
char BUFFER[MAX_LINE ];
if (user_info->login == NULL || *(user_info->login) == 0) {
fprintf(stderr, "Missing login\n");
return -1 ;
}
if (user_info->home == NULL || *(user_info->home) == 0) {
fprintf(stderr, "Missing home directory\n");
return -1 ;
}
sprintf(f_out,"%s%s",user_info->fconf,".tmp");
if ((user_info->pwd = do_get_passwd()) == NULL) {
fprintf(stderr, "Error with entering password - aborting\n");
return -1 ;
}
char *cleartext = user_info->pwd;
user_info->pwd = ifw_crypt(cleartext);
fp_out = fopen(f_out, "w+");
if (!fp_out) {
printf("\a error to open the temp file \n");
return -1;
}
fp= fopen(user_info->fconf, "r");
if (!fp) {
printf("\a error to open the configuration file -> %s \n",user_info->fconf );
return -1;
}
while (!feof(fp))
{
fscanf(fp, "%s\n", BUFFER);
fprintf(fp_out, "%s\n", BUFFER);
}
if(add_config_line(fp_out, user_info) != 0) {
fprintf(stderr, "Unable to append a line\n");
fclose(fp);
return -1;
}
fclose(fp_out);
fclose(fp);
rename(f_out,user_info->fconf);
return 0;
}
