| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2007 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | /** @file disobedience/login.c |
| 21 | * @brief Login box for Disobedience |
| 22 | */ |
| 23 | |
| 24 | #include "disobedience.h" |
| 25 | #include "split.h" |
| 26 | #include "filepart.h" |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/stat.h> |
| 29 | #include <unistd.h> |
| 30 | |
| 31 | /** @brief One field in the login window */ |
| 32 | struct login_window_item { |
| 33 | /** @brief Description label */ |
| 34 | const char *description; |
| 35 | |
| 36 | /** @brief Return the current value */ |
| 37 | const char *(*get)(void); |
| 38 | |
| 39 | /** @brief Set a new value */ |
| 40 | void (*set)(const char *value); |
| 41 | |
| 42 | /** @brief Flags |
| 43 | * |
| 44 | * - @ref LWI_HIDDEN - this is a password |
| 45 | */ |
| 46 | unsigned flags; |
| 47 | |
| 48 | }; |
| 49 | |
| 50 | /** @brief This is a password */ |
| 51 | #define LWI_HIDDEN 0x0001 |
| 52 | |
| 53 | /** @brief Current login window */ |
| 54 | static GtkWidget *login_window; |
| 55 | |
| 56 | /** @brief Set connection defaults */ |
| 57 | static void default_connect(void) { |
| 58 | if(!config->connect.n) { |
| 59 | config->connect.n = 2; |
| 60 | config->connect.s = xcalloc(2, sizeof (char *)); |
| 61 | config->connect.s[0] = xstrdup("localhost"); |
| 62 | config->connect.s[1] = xstrdup("9999"); /* whatever */ |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | static const char *get_hostname(void) { return config->connect.s[0]; } |
| 67 | static const char *get_service(void) { return config->connect.s[1]; } |
| 68 | static const char *get_username(void) { return config->username; } |
| 69 | static const char *get_password(void) { return config->password; } |
| 70 | |
| 71 | static void set_hostname(const char *s) { config->connect.s[0] = (char *)s; } |
| 72 | static void set_service(const char *s) { config->connect.s[1] = (char *)s; } |
| 73 | static void set_username(const char *s) { config->username = s; } |
| 74 | static void set_password(const char *s) { config->password = s; } |
| 75 | |
| 76 | /** @brief Table used to generate the form */ |
| 77 | static const struct login_window_item lwis[] = { |
| 78 | { "Hostname", get_hostname, set_hostname, 0 }, |
| 79 | { "Service", get_service, set_service, 0 }, |
| 80 | { "User name", get_username, set_username, 0 }, |
| 81 | { "Password", get_password, set_password, LWI_HIDDEN }, |
| 82 | }; |
| 83 | #define NLWIS (sizeof lwis / sizeof *lwis) |
| 84 | |
| 85 | static GtkWidget *lwi_entry[NLWIS]; |
| 86 | |
| 87 | static void update_config(void) { |
| 88 | size_t n; |
| 89 | |
| 90 | for(n = 0; n < NLWIS; ++n) |
| 91 | lwis[n].set(xstrdup(gtk_entry_get_text(GTK_ENTRY(lwi_entry[n])))); |
| 92 | } |
| 93 | |
| 94 | #if 0 |
| 95 | static int modified_config(void) { |
| 96 | size_t n; |
| 97 | |
| 98 | for(n = 0; n < NLWIS; ++n) { |
| 99 | const char *entered = gtk_entry_get_text(GTK_ENTRY(lwi_entry[n])); |
| 100 | const char *current = lwis[n].get(); |
| 101 | if(strcmp(entered, current)) |
| 102 | return 1; |
| 103 | } |
| 104 | return 0; |
| 105 | } |
| 106 | #endif |
| 107 | |
| 108 | static void login_ok(GtkButton attribute((unused)) *button, |
| 109 | gpointer attribute((unused)) userdata) { |
| 110 | update_config(); |
| 111 | reset(); |
| 112 | } |
| 113 | |
| 114 | static void login_save(GtkButton attribute((unused)) *button, |
| 115 | gpointer attribute((unused)) userdata) { |
| 116 | char *path = config_userconf(0, 0), *tmp; |
| 117 | FILE *fp; |
| 118 | GtkWidget *yorn = 0; |
| 119 | |
| 120 | update_config(); |
| 121 | /* See if the file already exists */ |
| 122 | if(access(path, F_OK) == 0) { |
| 123 | yorn = gtk_message_dialog_new |
| 124 | (GTK_WINDOW(login_window), |
| 125 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 126 | GTK_MESSAGE_QUESTION, |
| 127 | GTK_BUTTONS_NONE, |
| 128 | "File %s already exists.", path); |
| 129 | gtk_window_set_title(GTK_WINDOW(yorn), |
| 130 | "Configuration file already exists"); |
| 131 | gtk_dialog_add_buttons(GTK_DIALOG(yorn), |
| 132 | "Overwrite it", GTK_RESPONSE_ACCEPT, |
| 133 | "Don't save after all", GTK_RESPONSE_REJECT, |
| 134 | (char *)0); |
| 135 | if(gtk_dialog_run(GTK_DIALOG(yorn)) != GTK_RESPONSE_ACCEPT) |
| 136 | goto done; |
| 137 | gtk_widget_destroy(yorn); |
| 138 | yorn = 0; |
| 139 | } |
| 140 | byte_xasprintf(&tmp, "%s.tmp", path); |
| 141 | /* Make sure the directory exists; don't care if it already exists. */ |
| 142 | mkdir(d_dirname(tmp), 02700); |
| 143 | /* Write out the file */ |
| 144 | if(!(fp = fopen(tmp, "w"))) { |
| 145 | fpopup_msg(GTK_MESSAGE_ERROR, "error opening %s: %s", |
| 146 | tmp, strerror(errno)); |
| 147 | goto done; |
| 148 | } |
| 149 | if(fprintf(fp, "username %s\n" |
| 150 | "password %s\n" |
| 151 | "connect %s %s\n", |
| 152 | quoteutf8(config->username), |
| 153 | quoteutf8(config->password), |
| 154 | quoteutf8(config->connect.s[0]), |
| 155 | quoteutf8(config->connect.s[1])) < 0) { |
| 156 | fpopup_msg(GTK_MESSAGE_ERROR, "error writing to %s: %s", |
| 157 | tmp, strerror(errno)); |
| 158 | fclose(fp); |
| 159 | goto done; |
| 160 | } |
| 161 | if(fclose(fp) < 0) { |
| 162 | fpopup_msg(GTK_MESSAGE_ERROR, "error closing %s: %s", |
| 163 | tmp, strerror(errno)); |
| 164 | goto done; |
| 165 | } |
| 166 | /* Rename into place */ |
| 167 | if(rename(tmp, path) < 0) { |
| 168 | fpopup_msg(GTK_MESSAGE_ERROR, "error renaming %s: %s", |
| 169 | tmp, strerror(errno)); |
| 170 | goto done; |
| 171 | } |
| 172 | fpopup_msg(GTK_MESSAGE_INFO, "Saved login configuration to %s", path); |
| 173 | gtk_widget_destroy(login_window); |
| 174 | done: |
| 175 | if(yorn) |
| 176 | gtk_widget_destroy(yorn); |
| 177 | } |
| 178 | |
| 179 | static void login_cancel(GtkButton attribute((unused)) *button, |
| 180 | gpointer attribute((unused)) userdata) { |
| 181 | gtk_widget_destroy(login_window); |
| 182 | } |
| 183 | |
| 184 | /* Buttons that appear at the bottom of the window */ |
| 185 | static const struct button buttons[] = { |
| 186 | { |
| 187 | "Login", |
| 188 | login_ok, |
| 189 | "(Re-)connect using these settings", |
| 190 | }, |
| 191 | { |
| 192 | GTK_STOCK_SAVE, |
| 193 | login_save, |
| 194 | "Save these settings and close window", |
| 195 | }, |
| 196 | { |
| 197 | GTK_STOCK_CLOSE, |
| 198 | login_cancel, |
| 199 | "Discard changes and close window" |
| 200 | }, |
| 201 | }; |
| 202 | |
| 203 | #define NBUTTONS (int)(sizeof buttons / sizeof *buttons) |
| 204 | |
| 205 | /** @brief Pop up a login box */ |
| 206 | void login_box(void) { |
| 207 | GtkWidget *table, *label, *entry, *buttonbox, *vbox; |
| 208 | size_t n; |
| 209 | |
| 210 | /* If there's one already then bring it to the front */ |
| 211 | if(login_window) { |
| 212 | gtk_window_present(GTK_WINDOW(login_window)); |
| 213 | return; |
| 214 | } |
| 215 | default_connect(); |
| 216 | /* Create a new login window */ |
| 217 | login_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 218 | gtk_widget_set_style(login_window, tool_style); |
| 219 | g_signal_connect(login_window, "destroy", |
| 220 | G_CALLBACK(gtk_widget_destroyed), &login_window); |
| 221 | gtk_window_set_title(GTK_WINDOW(login_window), "Login Details"); |
| 222 | /* Construct the form */ |
| 223 | table = gtk_table_new(NLWIS + 1/*rows*/, 2/*columns*/, FALSE/*homogenous*/); |
| 224 | gtk_widget_set_style(table, tool_style); |
| 225 | for(n = 0; n < NLWIS; ++n) { |
| 226 | label = gtk_label_new(lwis[n].description); |
| 227 | gtk_widget_set_style(label, tool_style); |
| 228 | gtk_misc_set_alignment(GTK_MISC(label), 1/*right*/, 0/*bottom*/); |
| 229 | gtk_table_attach(GTK_TABLE(table), label, |
| 230 | 0, 1, /* left/right_attach */ |
| 231 | n, n+1, /* top/bottom_attach */ |
| 232 | GTK_FILL, 0, /* x/yoptions */ |
| 233 | 1, 1); /* x/ypadding */ |
| 234 | entry = gtk_entry_new(); |
| 235 | gtk_widget_set_style(entry, tool_style); |
| 236 | gtk_entry_set_visibility(GTK_ENTRY(entry), |
| 237 | lwis[n].flags & LWI_HIDDEN ? FALSE : TRUE); |
| 238 | gtk_entry_set_text(GTK_ENTRY(entry), lwis[n].get()); |
| 239 | gtk_table_attach(GTK_TABLE(table), entry, |
| 240 | 1, 2, /* left/right_attach */ |
| 241 | n, n+1, /* top/bottom_attach */ |
| 242 | GTK_EXPAND|GTK_FILL, 0, /* x/yoptions */ |
| 243 | 1, 1); /* x/ypadding */ |
| 244 | lwi_entry[n] = entry; |
| 245 | } |
| 246 | buttonbox = create_buttons(buttons, NBUTTONS); |
| 247 | vbox = gtk_vbox_new(FALSE, 1); |
| 248 | gtk_box_pack_start(GTK_BOX(vbox), table, |
| 249 | TRUE/*expand*/, TRUE/*fill*/, 1/*padding*/); |
| 250 | gtk_box_pack_start(GTK_BOX(vbox), buttonbox, |
| 251 | FALSE/*expand*/, FALSE/*fill*/, 1/*padding*/); |
| 252 | gtk_container_add(GTK_CONTAINER(login_window), vbox); |
| 253 | gtk_window_set_transient_for(GTK_WINDOW(login_window), |
| 254 | GTK_WINDOW(toplevel)); |
| 255 | gtk_widget_show_all(login_window); |
| 256 | } |
| 257 | |
| 258 | /* |
| 259 | Local Variables: |
| 260 | c-basic-offset:2 |
| 261 | comment-column:40 |
| 262 | fill-column:79 |
| 263 | indent-tabs-mode:nil |
| 264 | End: |
| 265 | */ |