diff options
Diffstat (limited to 'e-util/e-passwords.c')
| -rw-r--r-- | e-util/e-passwords.c | 594 |
1 files changed, 0 insertions, 594 deletions
diff --git a/e-util/e-passwords.c b/e-util/e-passwords.c deleted file mode 100644 index 5405e76245..0000000000 --- a/e-util/e-passwords.c +++ /dev/null @@ -1,594 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * e-passwords.c - * - * Copyright (C) 2001 Ximian, Inc. - */ - -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "e-passwords.h" -#include <string.h> -#include <libgnome/gnome-config.h> -#include <libgnome/gnome-i18n.h> -#include <gtk/gtkentry.h> -#include <gtk/gtkbox.h> -#include <gtk/gtkcheckbutton.h> -#include <gtk/gtkmessagedialog.h> - -static char *decode_base64 (char *base64); - -static GHashTable *passwords = NULL; - -static int base64_encode_close(unsigned char *in, int inlen, gboolean break_lines, unsigned char *out, int *state, int *save); -static int base64_encode_step(unsigned char *in, int len, gboolean break_lines, unsigned char *out, int *state, int *save); - -/** - * e_passwords_init: - * - * Initializes the e_passwords routines. Must be called before any other - * e_passwords_* function. - **/ -static void -e_passwords_init () -{ - if (passwords) - return; - - /* create the per-session hash table */ - passwords = g_hash_table_new (g_str_hash, g_str_equal); -} - -static gboolean -free_entry (gpointer key, gpointer value, gpointer user_data) -{ - g_free (key); - memset (value, 0, strlen (value)); - g_free (value); - return TRUE; -} - -/** - * e_passwords_shutdown: - * - * Cleanup routine to call before exiting. - **/ -void -e_passwords_shutdown () -{ - /* shouldn't need this really - everything is synchronous */ - gnome_config_private_sync_file ("/Evolution"); - - if (passwords) { - /* and destroy our per session hash */ - g_hash_table_foreach_remove (passwords, free_entry, NULL); - g_hash_table_destroy (passwords); - passwords = NULL; - } -} - - -/** - * e_passwords_forget_passwords: - * - * Forgets all cached passwords, in memory and on disk. - **/ -void -e_passwords_forget_passwords () -{ - void *it; - char *key; - - e_passwords_init (); - - it = gnome_config_private_init_iterator_sections("/Evolution"); - while ( (it = gnome_config_iterator_next(it, &key, NULL)) ) { - if (0 == strncmp(key, "Passwords-", 10)) { - char *section = g_strdup_printf("/Evolution/%s", key); - - gnome_config_private_clean_section (section); - g_free(section); - } - g_free(key); - } - - /*gnome_config_private_clean_section ("/Evolution/Passwords-Mail");*/ - gnome_config_private_sync_file ("/Evolution"); - - /* free up the session passwords */ - g_hash_table_foreach_remove (passwords, free_entry, NULL); -} - -/** - * e_passwords_clear_component_passwords: - * - * Forgets all disk cached passwords. - **/ -void -e_passwords_clear_component_passwords (const char *component_name) -{ - char *path; - - e_passwords_init (); - - path = g_strdup_printf ("/Evolution/Passwords-%s", component_name); - - gnome_config_private_clean_section (path); - gnome_config_private_sync_file ("/Evolution"); - - g_free (path); -} - -static char * -password_path (const char *component_name, const char *key) -{ - char *keycopy, *path; - int i; - keycopy = g_strdup (key); - - for (i = 0; i < strlen (keycopy); i ++) - if (keycopy[i] == '/' || keycopy[i] =='=') - keycopy[i] = '_'; - - path = g_strdup_printf ("/Evolution/Passwords-%s/%s", component_name, keycopy); - - g_free (keycopy); - - return path; -} - -/** - * e_passwords_remember_password: - * @key: the key - * - * Saves the password associated with @key to disk. - **/ -void -e_passwords_remember_password (const char *component_name, const char *key) -{ - gpointer okey, value; - char *path, *pass64; - int len, state, save; - - e_passwords_init (); - - if (!g_hash_table_lookup_extended (passwords, key, &okey, &value)) - return; - - /* add it to the on-disk cache of passwords */ - path = password_path (component_name, okey); - - len = strlen (value); - pass64 = g_malloc0 ((len + 2) * 4 / 3 + 1); - state = save = 0; - base64_encode_close (value, len, FALSE, pass64, &state, &save); - - gnome_config_private_set_string (path, pass64); - g_free (path); - g_free (pass64); - - /* now remove it from our session hash */ - g_hash_table_remove (passwords, key); - g_free (okey); - g_free (value); - - gnome_config_private_sync_file ("/Evolution"); -} - -/** - * e_passwords_forget_password: - * @key: the key - * - * Forgets the password associated with @key, in memory and on disk. - **/ -void -e_passwords_forget_password (const char *component_name, const char *key) -{ - gpointer okey, value; - char *path; - - e_passwords_init (); - - if (g_hash_table_lookup_extended (passwords, key, &okey, &value)) { - g_hash_table_remove (passwords, key); - memset (value, 0, strlen (value)); - g_free (okey); - g_free (value); - } - - /* clear it in the on disk db */ - path = password_path (component_name, key); - gnome_config_private_clean_key (path); - gnome_config_private_sync_file ("/Evolution"); - g_free (path); -} - -/** - * e_passwords_get_password: - * @key: the key - * - * Return value: the password associated with @key, or %NULL. Caller - * must free the returned password. - **/ -char * -e_passwords_get_password (const char *component_name, const char *key) -{ - char *path, *passwd; - char *encoded = NULL; - - e_passwords_init (); - - passwd = g_hash_table_lookup (passwords, key); - if (passwd) - return g_strdup (passwd); - - /* not part of the session hash, look it up in the on disk db */ - path = password_path (component_name, key); - - encoded = gnome_config_private_get_string_with_default (path, NULL); - - g_free (path); - - if (!encoded) - return NULL; - - passwd = decode_base64 (encoded); - g_free (encoded); - - return passwd; -} - -/** - * e_passwords_add_password: - * @key: a key - * @passwd: the password for @key - * - * This stores the @key/@passwd pair in the current session's password - * hash. - **/ -void -e_passwords_add_password (const char *key, const char *passwd) -{ - gpointer okey, value; - - e_passwords_init (); - - /* FIXME: shouldn't this be g_return_if_fail? */ - if (!key || !passwd) - return; - - if (g_hash_table_lookup_extended (passwords, key, &okey, &value)) { - g_hash_table_remove (passwords, key); - g_free (okey); - g_free (value); - } - - g_hash_table_insert (passwords, g_strdup (key), g_strdup (passwd)); -} - - -static void -entry_activate (GtkEntry *entry, GtkDialog *dialog) -{ - gtk_dialog_response (dialog, GTK_RESPONSE_OK); -} - -/** - * e_passwords_ask_password: - * @title: title for the password dialog - * @component_name: the name of the component for which we're storing - * the password (e.g. Mail, Addressbook, etc.) - * @key: key to store the password under - * @prompt: prompt string - * @secret: whether or not the password text should be ***ed out - * @remember_type: whether or not to offer to remember the password, - * and for how long. - * @remember: on input, the default state of the remember checkbox. - * on output, the state of the checkbox when the dialog was closed. - * @parent: parent window of the dialog, or %NULL - * - * Asks the user for a password. - * - * Return value: the password, which the caller must free, or %NULL if - * the user cancelled the operation. *@remember will be set if the - * return value is non-%NULL and @remember_type is not - * E_PASSWORDS_DO_NOT_REMEMBER. - **/ -char * -e_passwords_ask_password (const char *title, const char *component_name, - const char *key, - const char *prompt, gboolean secret, - EPasswordsRememberType remember_type, - gboolean *remember, - GtkWindow *parent) -{ - GtkWidget *dialog; - GtkWidget *check = NULL, *entry; - char *password; - int response; - - dialog = gtk_message_dialog_new (parent, - 0, - GTK_MESSAGE_QUESTION, - GTK_BUTTONS_OK_CANCEL, - prompt); - - gtk_window_set_title (GTK_WINDOW (dialog), title); - - gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK); - - /* Password entry */ - entry = gtk_entry_new(); - if (secret) - gtk_entry_set_visibility (GTK_ENTRY(entry), FALSE); - - gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), - entry, FALSE, FALSE, 4); - gtk_widget_show (entry); - gtk_widget_grab_focus (entry); - - g_signal_connect (entry, "activate", - G_CALLBACK (entry_activate), dialog); - - /* Remember the password? */ - if (remember_type != E_PASSWORDS_DO_NOT_REMEMBER) { - const char *label; - - if (remember_type == E_PASSWORDS_REMEMBER_FOREVER) - label = _("Remember this password"); - else - label = _("Remember this password for the remainder of this session"); - check = gtk_check_button_new_with_label (label); - gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), - *remember); - - gtk_box_pack_end (GTK_BOX (GTK_DIALOG (dialog)->vbox), - check, TRUE, FALSE, 4); - gtk_widget_show (check); - } - - response = gtk_dialog_run (GTK_DIALOG (dialog)); - - if (response == GTK_RESPONSE_OK) { - password = gtk_editable_get_chars (GTK_EDITABLE (entry), 0, -1); - if (remember_type != E_PASSWORDS_DO_NOT_REMEMBER) { - *remember = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check)); - - if (*remember || remember_type == E_PASSWORDS_REMEMBER_FOREVER) - e_passwords_add_password (key, password); - if (*remember && remember_type == E_PASSWORDS_REMEMBER_FOREVER) - e_passwords_remember_password (component_name, key); - } - } else - password = NULL; - - gtk_widget_destroy (dialog); - - return password; -} - - - -static char *base64_alphabet = -"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - -static unsigned char camel_mime_base64_rank[256] = { - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255, 62,255,255,255, 63, - 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,255,255,255, 0,255,255, - 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,255,255,255,255,255, - 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, - 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, - 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, -}; - -/* call this when finished encoding everything, to - flush off the last little bit */ -static int -base64_encode_close(unsigned char *in, int inlen, gboolean break_lines, unsigned char *out, int *state, int *save) -{ - int c1, c2; - unsigned char *outptr = out; - - if (inlen>0) - outptr += base64_encode_step(in, inlen, break_lines, outptr, state, save); - - c1 = ((unsigned char *)save)[1]; - c2 = ((unsigned char *)save)[2]; - - switch (((char *)save)[0]) { - case 2: - outptr[2] = base64_alphabet[ ( (c2 &0x0f) << 2 ) ]; - g_assert(outptr[2] != 0); - goto skip; - case 1: - outptr[2] = '='; - skip: - outptr[0] = base64_alphabet[ c1 >> 2 ]; - outptr[1] = base64_alphabet[ c2 >> 4 | ( (c1&0x3) << 4 )]; - outptr[3] = '='; - outptr += 4; - break; - } - if (break_lines) - *outptr++ = '\n'; - - *save = 0; - *state = 0; - - return outptr-out; -} - -/* - performs an 'encode step', only encodes blocks of 3 characters to the - output at a time, saves left-over state in state and save (initialise to - 0 on first invocation). -*/ -static int -base64_encode_step(unsigned char *in, int len, gboolean break_lines, unsigned char *out, int *state, int *save) -{ - register unsigned char *inptr, *outptr; - - if (len<=0) - return 0; - - inptr = in; - outptr = out; - - if (len + ((char *)save)[0] > 2) { - unsigned char *inend = in+len-2; - register int c1, c2, c3; - register int already; - - already = *state; - - switch (((char *)save)[0]) { - case 1: c1 = ((unsigned char *)save)[1]; goto skip1; - case 2: c1 = ((unsigned char *)save)[1]; - c2 = ((unsigned char *)save)[2]; goto skip2; - } - - /* yes, we jump into the loop, no i'm not going to change it, it's beautiful! */ - while (inptr < inend) { - c1 = *inptr++; - skip1: - c2 = *inptr++; - skip2: - c3 = *inptr++; - *outptr++ = base64_alphabet[ c1 >> 2 ]; - *outptr++ = base64_alphabet[ c2 >> 4 | ( (c1&0x3) << 4 ) ]; - *outptr++ = base64_alphabet[ ( (c2 &0x0f) << 2 ) | (c3 >> 6) ]; - *outptr++ = base64_alphabet[ c3 & 0x3f ]; - /* this is a bit ugly ... */ - if (break_lines && (++already)>=19) { - *outptr++='\n'; - already = 0; - } - } - - ((char *)save)[0] = 0; - len = 2-(inptr-inend); - *state = already; - } - - if (len>0) { - register char *saveout; - - /* points to the slot for the next char to save */ - saveout = & (((char *)save)[1]) + ((char *)save)[0]; - - /* len can only be 0 1 or 2 */ - switch(len) { - case 2: *saveout++ = *inptr++; - case 1: *saveout++ = *inptr++; - } - ((char *)save)[0]+=len; - } - - return outptr-out; -} - - -/** - * base64_decode_step: decode a chunk of base64 encoded data - * @in: input stream - * @len: max length of data to decode - * @out: output stream - * @state: holds the number of bits that are stored in @save - * @save: leftover bits that have not yet been decoded - * - * Decodes a chunk of base64 encoded data - **/ -static int -base64_decode_step(unsigned char *in, int len, unsigned char *out, int *state, unsigned int *save) -{ - register unsigned char *inptr, *outptr; - unsigned char *inend, c; - register unsigned int v; - int i; - - inend = in+len; - outptr = out; - - /* convert 4 base64 bytes to 3 normal bytes */ - v=*save; - i=*state; - inptr = in; - while (inptr<inend) { - c = camel_mime_base64_rank[*inptr++]; - if (c != 0xff) { - v = (v<<6) | c; - i++; - if (i==4) { - *outptr++ = v>>16; - *outptr++ = v>>8; - *outptr++ = v; - i=0; - } - } - } - - *save = v; - *state = i; - - /* quick scan back for '=' on the end somewhere */ - /* fortunately we can drop 1 output char for each trailing = (upto 2) */ - i=2; - while (inptr>in && i) { - inptr--; - if (camel_mime_base64_rank[*inptr] != 0xff) { - if (*inptr == '=') - outptr--; - i--; - } - } - - /* if i!= 0 then there is a truncation error! */ - return outptr-out; -} - -static char * -decode_base64 (char *base64) -{ - char *plain, *pad = "=="; - int len, out, state, save; - - len = strlen (base64); - plain = g_malloc0 (len); - state = save = 0; - out = base64_decode_step (base64, len, plain, &state, &save); - if (len % 4) { - base64_decode_step (pad, 4 - len % 4, plain + out, - &state, &save); - } - - return plain; -} |