Added primitive authentification support

1 files changed, 243 insertions, 0 deletions

diff --git a/user.c b/user.c
new file mode 100644
index 0000000..ecfde50
--- /dev/null
+++ b/user.c
@@ -0,0 +1,243 @@
+#include "user.h"
+
+int bbs_login( term_screen *ts )
+{
+	int ret=0;
+	int fret = 0;
+
+	int ret_len;
+	size_t in_size=0;
+	char *in_buf=NULL;
+	int quit_loop=0;
+	int menu_input = 0;
+	char menu_cmd = 0;
+	int row = 0;
+	char *todo_fname = NULL;
+	int orig_row, orig_col;
+	int max_row, max_col;
+	int box_row, box_col;
+	char *userdata_dir = CONFIG_USER_DEFAULT_DIR;
+
+	//loginname and password buffers
+	const int username_max_size = 32;
+	char username_buf[username_max_size];
+	const int password_max_size = username_max_size;
+	char password_buf[password_max_size];
+	int username_ready = 0;
+
+
+	if ( ts == NULL )
+		return ret;
+
+	term_clr_scr( ts );
+	max_row = term_get_maxrow( ts );
+	max_col = term_get_maxcol( ts );
+	orig_col = term_cur_get_c( ts );
+	orig_row = term_cur_get_r( ts );
+	box_row = max_row/2;
+	box_col = max_col/2-username_max_size/2;
+
+	memset( username_buf, 0, username_max_size+1 );
+	memset( password_buf, 0, password_max_size+1 );
+
+
+	//get username
+	term_cur_set_r( ts, box_row );
+	term_cur_set_c( ts, box_col-6);
+	term_print( ts, "Login:", 6 );
+	term_cur_set_c( ts, box_col );
+	term_cur_set_r( ts, box_row );
+	fret = term_readline( ts, username_buf, username_max_size, READLINE_ALPHA );
+	if ( fret < 1)
+	{
+		if ( fret == 0)
+		{
+			term_print( ts, "Username empty!", 15 );
+		} else if ( fret == -1 )
+		{
+			term_print( ts, "Error reading username", 22 );
+		}
+		sleep( 3 );
+		ret = -1;
+		goto exit_login;
+	};
+
+	//get password
+	term_cur_set_r( ts, box_row+2 );
+	term_cur_set_c( ts, box_col-9 );
+	term_print( ts, "Password:", 9 );
+	term_cur_set_c( ts, box_col );
+	term_cur_set_r( ts, box_row+2 );
+	fret = term_readline( ts, password_buf, password_max_size, READLINE_HIDDEN );
+	if ( fret < 1)
+	{
+		if ( fret == 0)
+		{
+			term_print( ts, "Password empty!", 15 );
+		} else if ( fret == -1 )
+		{
+			term_print( ts, "Error reading password", 22 );
+		}
+		sleep( 3 );
+		ret = -1;
+		goto exit_login;
+	};
+
+	//check if username file exists in dir
+	//open it check pass and auth user if pass succesfull
+	fret = bbs_login_auth( userdata_dir, username_buf, password_buf );
+	if ( fret == -1 )
+	{
+		ERROR("No such user\n"); sleep(3);
+	} else if ( fret == 0 )
+	{
+		bbs_user_set_status( &g_user, BBS_USER_LOGEDIN );
+
+		{
+			sds lg = sds_new("Loged in as ");
+			sds usrn = sds_new( username_buf );
+			sds_cat( lg, usrn );
+			bbs_log( NULL, lg );
+			sds_free( lg );
+			sds_free( usrn );
+		}
+	}
+
+exit_login:
+	return ret;
+}
+
+
+//just for full fill libc example
+static int dir_username_selector (const struct dirent *unused)
+{
+  return 1;
+}
+
+static int user_cfg_handler( void *user, const char *section, const char *name, 
+                             const char *value )
+{
+	user_config_file *cfg = (user_config_file *)user;
+	
+	#define MATCH(s,n) strcmp(section,s) == 0 && strcmp(name,n)==0
+
+	if ( MATCH("user","password") )
+	{
+		cfg->password = strdup( value );
+	}
+	return 1;
+
+}
+
+int bbs_login_auth( const char *dir, const char *username, const char *password )
+{
+	int ret=-1;
+	int fret = -1;
+
+	int n,cnt;
+	struct dirent **eps;
+	struct stat dir_node;
+	int found_file=0;
+
+	//name that should have user config file
+	sds crct_dir = sds_new( dir );
+	sds crct_fn = sds_new( username );
+	sds crct_postfix = sds_new( ".user" );
+	sds srch_f = sds_empty();
+	sds_cat( srch_f, crct_dir );
+	sds_cat( srch_f, crct_fn );
+	sds_cat( srch_f, crct_postfix );
+
+	//check dir for username pass
+	n = scandir( dir, &eps, dir_username_selector, alphasort );
+	
+	if ( n < 0 ) return -1;//mem leak
+
+	for ( cnt=0; cnt<n; cnt++ )
+	{
+		sds file_name = sds_new( eps[cnt]->d_name );
+		sds path_dir = sds_new( dir );
+		sds path_name = sds_new( "" );
+		sds_cat( path_name, path_dir );
+		sds_cat( path_name, file_name );
+		//config file exist
+		//PRINT("%s || %s \n", path_name, srch_f ); sleep( 3 );
+		if ( sds_cmp( path_name, srch_f ) == 0 )
+		{
+			cnt = n;
+
+			found_file = 1;
+		}
+		//sds_free( file_name );
+		//sds_free( path_dir );
+		//sds_free( path_name );
+		//free( eps[cnt] );
+	}
+	//free( eps );
+
+	//not good style
+	//now we have patch and just open file and check if password match
+	if ( found_file )
+	{
+		user_config_file cfg;
+		if ( ini_parse( srch_f, user_cfg_handler, &cfg ) < 0 )
+		{
+		} else
+		{
+			//PRINT("config pass [%s][%s]!\n", cfg.password, password);
+			//sleep(3);
+			if ( strcmp( cfg.password, password ) == 0 )
+			{
+
+				//PRINT("Correct pass!\n");sleep(3);
+				ret = 0;
+			} else
+			{
+				//ERROR("InCorrect pass!\n");sleep(3);
+			}
+		}
+	}
+
+	sds_free( crct_dir );
+	sds_free( crct_fn );
+	sds_free( crct_postfix );
+	sds_free( srch_f );
+
+	return ret;
+}
+
+
+int bbs_user_init( bbs_user *bu )
+{
+	if ( bu != NULL)
+	{
+		memset( bu, 0, sizeof(bbs_user) );
+		bu->login_status = BBS_USER_GUEST;
+	}
+}
+
+
+int bbs_user_auth( bbs_user *bu )
+{
+
+}
+
+
+int bbs_user_set_status( bbs_user *bu, int status )
+{
+	if ( bu != NULL )
+	{
+		bu->login_status = status;
+	}
+}
+
+
+int bbs_user_get_status( bbs_user *bu )
+{
+	if ( bu != NULL )
+	{
+		return bu->login_status;
+	}
+	return BBS_USER_GUEST;
+}
+