vcs.maemo.org Git - monky/blob - src/core.c

   1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
   2  * vim: ts=4 sw=4 noet ai cindent syntax=c
   3  *
   4  * Conky, a system monitor, based on torsmo
   5  *
   6  * Any original torsmo code is licensed under the BSD license
   7  *
   8  * All code written since the fork of torsmo is licensed under the GPL
   9  *
  10  * Please see COPYING for details
  11  *
  12  * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
  13  * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
  14  *      (see AUTHORS)
  15  * All rights reserved.
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  *
  29  */
  30
  31 /* local headers */
  32 #include "core.h"
  33 #include "text_object.h"
  34 #include "algebra.h"
  35 #include "build.h"
  36 #include "colours.h"
  37 #include "combine.h"
  38 #include "diskio.h"
  39 #include "exec.h"
  40 #ifdef X11
  41 #include "fonts.h"
  42 #endif
  43 #include "fs.h"
  44 #ifdef HAVE_ICONV
  45 #include "iconv_tools.h"
  46 #endif
  47 #include "logging.h"
  48 #include "mixer.h"
  49 #include "mail.h"
  50 #include "mboxscan.h"
  51 #include "net_stat.h"
  52 #ifdef NVIDIA
  53 #include "nvidia.h"
  54 #endif
  55 #include "read_tcp.h"
  56 #include "scroll.h"
  57 #include "specials.h"
  58 #include "temphelper.h"
  59 #include "template.h"
  60 #include "tailhead.h"
  61 #include "timeinfo.h"
  62 #include "top.h"
  63
  64 #ifdef NCURSES
  65 #include <ncurses.h>
  66 #endif
  67
  68 /* check for OS and include appropriate headers */
  69 #if defined(__linux__)
  70 #include "linux.h"
  71 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  72 #include "freebsd.h"
  73 #elif defined(__OpenBSD__)
  74 #include "openbsd.h"
  75 #endif
  76
  77 /* OS specific prototypes to be implemented by linux.c & Co. */
  78 void update_entropy(void);
  79
  80 #include <string.h>
  81 #include <ctype.h>
  82
  83 /* strip a leading /dev/ if any, following symlinks first
  84  *
  85  * BEWARE: this function returns a pointer to static content
  86  *         which gets overwritten in consecutive calls. I.e.:
  87  *         this function is NOT reentrant.
  88  */
  89 const char *dev_name(const char *path)
  90 {
  91         static char buf[255];   /* should be enough for pathnames */
  92         ssize_t buflen;
  93
  94         if (!path)
  95                 return NULL;
  96
  97 #define DEV_NAME(x) \
  98   x != NULL && strlen(x) > 5 && strncmp(x, "/dev/", 5) == 0 ? x + 5 : x
  99         if ((buflen = readlink(path, buf, 254)) == -1)
 100                 return DEV_NAME(path);
 101         buf[buflen] = '\0';
 102         return DEV_NAME(buf);
 103 #undef DEV_NAME
 104 }
 105
 106 static struct text_object *new_text_object_internal(void)
 107 {
 108         struct text_object *obj = malloc(sizeof(struct text_object));
 109         memset(obj, 0, sizeof(struct text_object));
 110         return obj;
 111 }
 112
 113 static struct text_object *create_plain_text(const char *s)
 114 {
 115         struct text_object *obj;
 116
 117         if (s == NULL || *s == '\0') {
 118                 return NULL;
 119         }
 120
 121         obj = new_text_object_internal();
 122
 123         obj->type = OBJ_text;
 124         obj->data.s = strndup(s, text_buffer_size);
 125         return obj;
 126 }
 127
 128 /* construct_text_object() creates a new text_object */
 129 struct text_object *construct_text_object(const char *s, const char *arg, long
 130                 line, void **ifblock_opaque, void *free_at_crash)
 131 {
 132         // struct text_object *obj = new_text_object();
 133         struct text_object *obj = new_text_object_internal();
 134
 135         obj->line = line;
 136
 137 /* helper defines for internal use only */
 138 #define __OBJ_HEAD(a, n) if (!strcmp(s, #a)) { \
 139         obj->type = OBJ_##a; add_update_callback(n);
 140 #define __OBJ_IF obj_be_ifblock_if(ifblock_opaque, obj)
 141 #define __OBJ_ARG(...) if (!arg) { CRIT_ERR(obj, free_at_crash, __VA_ARGS__); }
 142
 143 /* defines to be used below */
 144 #define OBJ(a, n) __OBJ_HEAD(a, n) {
 145 #define OBJ_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) {
 146 #define OBJ_IF(a, n) __OBJ_HEAD(a, n) __OBJ_IF; {
 147 #define OBJ_IF_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) __OBJ_IF; {
 148 #define END } } else
 149
 150 #ifdef X11
 151         if (s[0] == '#') {
 152                 obj->type = OBJ_color;
 153                 obj->data.l = get_x11_color(s);
 154         } else
 155 #endif /* X11 */
 156 #ifdef __OpenBSD__
 157         OBJ(freq, 0)
 158 #else
 159         OBJ(acpitemp, 0)
 160                 obj->data.i = open_acpi_temperature(arg);
 161         END OBJ(acpiacadapter, 0)
 162         END OBJ(freq, 0)
 163 #endif /* !__OpenBSD__ */
 164                 get_cpu_count();
 165                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 166                                 || atoi(&arg[0]) > info.cpu_count) {
 167                         obj->data.i = 1;
 168                         /* NORM_ERR("freq: Invalid CPU number or you don't have that many CPUs! "
 169                                 "Displaying the clock for CPU 1."); */
 170                 } else {
 171                         obj->data.i = atoi(&arg[0]);
 172                 }
 173                 obj->a = 1;
 174         END OBJ(freq_g, 0)
 175                 get_cpu_count();
 176                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 177                                 || atoi(&arg[0]) > info.cpu_count) {
 178                         obj->data.i = 1;
 179                         /* NORM_ERR("freq_g: Invalid CPU number or you don't have that many "
 180                                 "CPUs! Displaying the clock for CPU 1."); */
 181                 } else {
 182                         obj->data.i = atoi(&arg[0]);
 183                 }
 184                 obj->a = 1;
 185         END OBJ_ARG(read_tcp, 0, "read_tcp: Needs \"(host) port\" as argument(s)")
 186                 parse_read_tcp_arg(obj, arg, free_at_crash);
 187 #if defined(__linux__)
 188         END OBJ(voltage_mv, 0)
 189                 get_cpu_count();
 190                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 191                                 || atoi(&arg[0]) > info.cpu_count) {
 192                         obj->data.i = 1;
 193                         /* NORM_ERR("voltage_mv: Invalid CPU number or you don't have that many "
 194                                 "CPUs! Displaying voltage for CPU 1."); */
 195                 } else {
 196                         obj->data.i = atoi(&arg[0]);
 197                 }
 198                 obj->a = 1;
 199         END OBJ(voltage_v, 0)
 200                 get_cpu_count();
 201                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 202                                 || atoi(&arg[0]) > info.cpu_count) {
 203                         obj->data.i = 1;
 204                         /* NORM_ERR("voltage_v: Invalid CPU number or you don't have that many "
 205                                 "CPUs! Displaying voltage for CPU 1."); */
 206                 } else {
 207                         obj->data.i = atoi(&arg[0]);
 208                 }
 209                 obj->a = 1;
 210
 211 #ifdef HAVE_IWLIB
 212         END OBJ(wireless_essid, &update_net_stats)
 213                 parse_net_stat_arg(obj, arg, free_at_crash);
 214         END OBJ(wireless_mode, &update_net_stats)
 215                 parse_net_stat_arg(obj, arg, free_at_crash);
 216         END OBJ(wireless_bitrate, &update_net_stats)
 217                 parse_net_stat_arg(obj, arg, free_at_crash);
 218         END OBJ(wireless_ap, &update_net_stats)
 219                 parse_net_stat_arg(obj, arg, free_at_crash);
 220         END OBJ(wireless_link_qual, &update_net_stats)
 221                 parse_net_stat_arg(obj, arg, free_at_crash);
 222         END OBJ(wireless_link_qual_max, &update_net_stats)
 223                 parse_net_stat_arg(obj, arg, free_at_crash);
 224         END OBJ(wireless_link_qual_perc, &update_net_stats)
 225                 parse_net_stat_arg(obj, arg, free_at_crash);
 226         END OBJ(wireless_link_bar, &update_net_stats)
 227                 parse_net_stat_bar_arg(obj, arg, free_at_crash);
 228 #endif /* HAVE_IWLIB */
 229
 230 #endif /* __linux__ */
 231
 232 #ifndef __OpenBSD__
 233         END OBJ(acpifan, 0)
 234         END OBJ(battery, 0)
 235                 char bat[64];
 236
 237                 if (arg) {
 238                         sscanf(arg, "%63s", bat);
 239                 } else {
 240                         strcpy(bat, "BAT0");
 241                 }
 242                 obj->data.s = strndup(bat, text_buffer_size);
 243         END OBJ(battery_short, 0)
 244                 char bat[64];
 245
 246                 if (arg) {
 247                         sscanf(arg, "%63s", bat);
 248                 } else {
 249                         strcpy(bat, "BAT0");
 250                 }
 251                 obj->data.s = strndup(bat, text_buffer_size);
 252         END OBJ(battery_time, 0)
 253                 char bat[64];
 254
 255                 if (arg) {
 256                         sscanf(arg, "%63s", bat);
 257                 } else {
 258                         strcpy(bat, "BAT0");
 259                 }
 260                 obj->data.s = strndup(bat, text_buffer_size);
 261         END OBJ(battery_percent, 0)
 262                 char bat[64];
 263
 264                 if (arg) {
 265                         sscanf(arg, "%63s", bat);
 266                 } else {
 267                         strcpy(bat, "BAT0");
 268                 }
 269                 obj->data.s = strndup(bat, text_buffer_size);
 270         END OBJ(battery_bar, 0)
 271                 char bat[64];
 272                 if (arg) {
 273                         arg = scan_bar(obj, arg);
 274                         sscanf(arg, "%63s", bat);
 275                 } else {
 276                         strcpy(bat, "BAT0");
 277                 }
 278                 obj->data.s = strndup(bat, text_buffer_size);
 279 #endif /* !__OpenBSD__ */
 280
 281 #if defined(__linux__)
 282         END OBJ_ARG(disk_protect, 0, "disk_protect needs an argument")
 283                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 284         END OBJ(i8k_version, &update_i8k)
 285         END OBJ(i8k_bios, &update_i8k)
 286         END OBJ(i8k_serial, &update_i8k)
 287         END OBJ(i8k_cpu_temp, &update_i8k)
 288         END OBJ(i8k_left_fan_status, &update_i8k)
 289         END OBJ(i8k_right_fan_status, &update_i8k)
 290         END OBJ(i8k_left_fan_rpm, &update_i8k)
 291         END OBJ(i8k_right_fan_rpm, &update_i8k)
 292         END OBJ(i8k_ac_status, &update_i8k)
 293         END OBJ(i8k_buttons_status, &update_i8k)
 294 #if defined(IBM)
 295         END OBJ(ibm_fan, 0)
 296         END OBJ_ARG(ibm_temps, &get_ibm_acpi_temps, "ibm_temps: needs an argument")
 297                 parse_ibm_temps_arg(obj, arg);
 298         END OBJ(ibm_volume, 0)
 299         END OBJ(ibm_brightness, 0)
 300 #endif
 301         /* information from sony_laptop kernel module
 302          * /sys/devices/platform/sony-laptop */
 303         END OBJ(sony_fanspeed, 0)
 304         END OBJ_IF(if_gw, &update_gateway_info)
 305         END OBJ_ARG(ioscheduler, 0, "get_ioscheduler needs an argument (e.g. hda)")
 306                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 307         END OBJ(laptop_mode, 0)
 308         END OBJ_ARG(pb_battery, 0, "pb_battery: needs one argument: status, percent or time")
 309                 if (strcmp(arg, "status") == EQUAL) {
 310                         obj->data.i = PB_BATT_STATUS;
 311                 } else if (strcmp(arg, "percent") == EQUAL) {
 312                         obj->data.i = PB_BATT_PERCENT;
 313                 } else if (strcmp(arg, "time") == EQUAL) {
 314                         obj->data.i = PB_BATT_TIME;
 315                 } else {
 316                         NORM_ERR("pb_battery: illegal argument '%s', defaulting to status", arg);
 317                         obj->data.i = PB_BATT_STATUS;
 318                 }
 319 #endif /* __linux__ */
 320 #if (defined(__FreeBSD__) || defined(__linux__))
 321         END OBJ_IF_ARG(if_up, 0, "if_up needs an argument")
 322                 parse_if_up_arg(obj, arg);
 323 #endif
 324 #if defined(__OpenBSD__)
 325         END OBJ_ARG(obsd_sensors_temp, 0, "obsd_sensors_temp: needs an argument")
 326                 parse_obsd_sensor(obj, arg);
 327         END OBJ_ARG(obsd_sensors_fan, 0, "obsd_sensors_fan: needs 2 arguments (device and sensor number)")
 328                 parse_obsd_sensor(obj, arg);
 329         END OBJ_ARG(obsd_sensors_volt, 0, "obsd_sensors_volt: needs 2 arguments (device and sensor number)")
 330                 parse_obsd_sensor(obj, arg);
 331         END OBJ(obsd_vendor, 0)
 332         END OBJ(obsd_product, 0)
 333 #endif /* __OpenBSD__ */
 334         END OBJ(buffers, &update_meminfo)
 335         END OBJ(cached, &update_meminfo)
 336 #define SCAN_CPU(__arg, __var) { \
 337         int __offset = 0; \
 338         if (__arg && sscanf(__arg, " cpu%d %n", &__var, &__offset) > 0) \
 339                 __arg += __offset; \
 340         else \
 341                 __var = 0; \
 342 }
 343         END OBJ(cpu, &update_cpu_usage)
 344                 SCAN_CPU(arg, obj->data.i);
 345                 DBGP2("Adding $cpu for CPU %d", obj->data.i);
 346 #ifdef X11
 347         END OBJ(cpugauge, &update_cpu_usage)
 348                 SIZE_DEFAULTS(gauge);
 349                 SCAN_CPU(arg, obj->data.i);
 350                 scan_gauge(arg, &obj->a, &obj->b);
 351                 DBGP2("Adding $cpugauge for CPU %d", obj->data.i);
 352 #endif /* X11 */
 353         END OBJ(cpubar, &update_cpu_usage)
 354                 SCAN_CPU(arg, obj->data.i);
 355                 scan_bar(obj, arg);
 356                 DBGP2("Adding $cpubar for CPU %d", obj->data.i);
 357 #ifdef X11
 358         END OBJ(cpugraph, &update_cpu_usage)
 359                 char *buf = 0;
 360                 SCAN_CPU(arg, obj->data.i);
 361                 buf = scan_graph(obj, arg);
 362                 DBGP2("Adding $cpugraph for CPU %d", obj->data.i);
 363                 if (buf) free(buf);
 364         END OBJ(loadgraph, &update_load_average)
 365                 scan_loadgraph_arg(obj, arg);
 366 #endif /* X11 */
 367         END OBJ(diskio, &update_diskio)
 368                 parse_diskio_arg(obj, arg);
 369         END OBJ(diskio_read, &update_diskio)
 370                 parse_diskio_arg(obj, arg);
 371         END OBJ(diskio_write, &update_diskio)
 372                 parse_diskio_arg(obj, arg);
 373 #ifdef X11
 374         END OBJ(diskiograph, &update_diskio)
 375                 parse_diskiograph_arg(obj, arg);
 376         END OBJ(diskiograph_read, &update_diskio)
 377                 parse_diskiograph_arg(obj, arg);
 378         END OBJ(diskiograph_write, &update_diskio)
 379                 parse_diskiograph_arg(obj, arg);
 380 #endif /* X11 */
 381         END OBJ(color, 0)
 382 #ifdef X11
 383                 if (output_methods & TO_X) {
 384                         obj->data.l = arg ? get_x11_color(arg) : default_fg_color;
 385                         set_current_text_color(obj->data.l);
 386                 }
 387 #endif /* X11 */
 388 #ifdef NCURSES
 389                 if (output_methods & TO_NCURSES) {
 390                         obj->data.l = COLOR_WHITE;
 391                         if(arg) {
 392                                 if(strcasecmp(arg, "red") == 0) {
 393                                         obj->data.l = COLOR_RED;
 394                                 }else if(strcasecmp(arg, "green") == 0) {
 395                                         obj->data.l = COLOR_GREEN;
 396                                 }else if(strcasecmp(arg, "yellow") == 0) {
 397                                         obj->data.l = COLOR_YELLOW;
 398                                 }else if(strcasecmp(arg, "blue") == 0) {
 399                                         obj->data.l = COLOR_BLUE;
 400                                 }else if(strcasecmp(arg, "magenta") == 0) {
 401                                         obj->data.l = COLOR_MAGENTA;
 402                                 }else if(strcasecmp(arg, "cyan") == 0) {
 403                                         obj->data.l = COLOR_CYAN;
 404                                 }else if(strcasecmp(arg, "black") == 0) {
 405                                         obj->data.l = COLOR_BLACK;
 406                                 }
 407                         }
 408                         set_current_text_color(obj->data.l);
 409                         init_pair(obj->data.l, obj->data.l, COLOR_BLACK);
 410                 }
 411 #endif /* NCURSES */
 412         END OBJ(color0, 0)
 413                 obj->data.l = color0;
 414                 set_current_text_color(obj->data.l);
 415         END OBJ(color1, 0)
 416                 obj->data.l = color1;
 417                 set_current_text_color(obj->data.l);
 418         END OBJ(color2, 0)
 419                 obj->data.l = color2;
 420                 set_current_text_color(obj->data.l);
 421         END OBJ(color3, 0)
 422                 obj->data.l = color3;
 423                 set_current_text_color(obj->data.l);
 424         END OBJ(color4, 0)
 425                 obj->data.l = color4;
 426                 set_current_text_color(obj->data.l);
 427         END OBJ(color5, 0)
 428                 obj->data.l = color5;
 429                 set_current_text_color(obj->data.l);
 430         END OBJ(color6, 0)
 431                 obj->data.l = color6;
 432                 set_current_text_color(obj->data.l);
 433         END OBJ(color7, 0)
 434                 obj->data.l = color7;
 435                 set_current_text_color(obj->data.l);
 436         END OBJ(color8, 0)
 437                 obj->data.l = color8;
 438                 set_current_text_color(obj->data.l);
 439         END OBJ(color9, 0)
 440                 obj->data.l = color9;
 441                 set_current_text_color(obj->data.l);
 442 #ifdef X11
 443         END OBJ(font, 0)
 444                 obj->data.s = scan_font(arg);
 445 #endif /* X11 */
 446         END OBJ(conky_version, 0)
 447         END OBJ(conky_build_date, 0)
 448         END OBJ(conky_build_arch, 0)
 449         END OBJ(downspeed, &update_net_stats)
 450                 parse_net_stat_arg(obj, arg, free_at_crash);
 451         END OBJ(downspeedf, &update_net_stats)
 452                 parse_net_stat_arg(obj, arg, free_at_crash);
 453 #ifdef X11
 454         END OBJ(downspeedgraph, &update_net_stats)
 455                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 456 #endif /* X11 */
 457         END OBJ(else, 0)
 458                 obj_be_ifblock_else(ifblock_opaque, obj);
 459         END OBJ(endif, 0)
 460                 obj_be_ifblock_endif(ifblock_opaque, obj);
 461         END OBJ(eval, 0)
 462                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 463 #if defined(IMLIB2) && defined(X11)
 464         END OBJ(image, 0)
 465                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 466 #endif /* IMLIB2 */
 467         END OBJ(exec, 0)
 468                 scan_exec_arg(obj, arg);
 469         END OBJ(execp, 0)
 470                 scan_exec_arg(obj, arg);
 471         END OBJ(execbar, 0)
 472                 scan_exec_arg(obj, arg);
 473 #ifdef X11
 474         END OBJ(execgauge, 0)
 475                 SIZE_DEFAULTS(gauge);
 476                 scan_exec_arg(obj, arg);
 477         END OBJ(execgraph, 0)
 478                 scan_execgraph_arg(obj, arg);
 479 #endif /* X11 */
 480         END OBJ_ARG(execibar, 0, "execibar needs arguments")
 481                 scan_execi_arg(obj, arg);
 482 #ifdef X11
 483         END OBJ_ARG(execigraph, 0, "execigraph needs arguments")
 484                 scan_execgraph_arg(obj, arg);
 485         END OBJ_ARG(execigauge, 0, "execigauge needs arguments")
 486                 SIZE_DEFAULTS(gauge);
 487                 scan_execi_arg(obj, arg);
 488 #endif /* X11 */
 489         END OBJ_ARG(execi, 0, "execi needs arguments")
 490                 scan_execi_arg(obj, arg);
 491         END OBJ_ARG(execpi, 0, "execpi needs arguments")
 492                 scan_execi_arg(obj, arg);
 493         END OBJ_ARG(texeci, 0, "texeci needs arguments")
 494                 scan_execi_arg(obj, arg);
 495         END OBJ(pre_exec, 0)
 496                 scan_pre_exec_arg(obj, arg);
 497         END OBJ(fs_bar, &update_fs_stats)
 498                 init_fs_bar(obj, arg);
 499         END OBJ(fs_bar_free, &update_fs_stats)
 500                 init_fs_bar(obj, arg);
 501         END OBJ(fs_free, &update_fs_stats)
 502                 init_fs(obj, arg);
 503         END OBJ(fs_used_perc, &update_fs_stats)
 504                 init_fs(obj, arg);
 505         END OBJ(fs_free_perc, &update_fs_stats)
 506                 init_fs(obj, arg);
 507         END OBJ(fs_size, &update_fs_stats)
 508                 init_fs(obj, arg);
 509         END OBJ(fs_type, &update_fs_stats)
 510                 init_fs(obj, arg);
 511         END OBJ(fs_used, &update_fs_stats)
 512                 init_fs(obj, arg);
 513         END OBJ(hr, 0)
 514                 obj->data.i = arg ? atoi(arg) : 1;
 515         END OBJ(nameserver, &update_dns_data)
 516                 parse_nameserver_arg(obj, arg);
 517         END OBJ(offset, 0)
 518                 obj->data.i = arg ? atoi(arg) : 1;
 519         END OBJ(voffset, 0)
 520                 obj->data.i = arg ? atoi(arg) : 1;
 521         END OBJ_ARG(goto, 0, "goto needs arguments")
 522                 obj->data.i = atoi(arg);
 523         END OBJ(tab, 0)
 524                 int a = 10, b = 0;
 525
 526                 if (arg) {
 527                         if (sscanf(arg, "%d %d", &a, &b) != 2) {
 528                                 sscanf(arg, "%d", &b);
 529                         }
 530                 }
 531                 if (a <= 0) {
 532                         a = 1;
 533                 }
 534                 obj->data.pair.a = a;
 535                 obj->data.pair.b = b;
 536
 537 #ifdef __linux__
 538         END OBJ_ARG(i2c, 0, "i2c needs arguments")
 539                 parse_i2c_sensor(obj, arg);
 540         END OBJ_ARG(platform, 0, "platform needs arguments")
 541                 parse_platform_sensor(obj, arg);
 542         END OBJ_ARG(hwmon, 0, "hwmon needs argumanets")
 543                 parse_hwmon_sensor(obj, arg);
 544 #endif /* __linux__ */
 545
 546         END
 547         /* we have four different types of top (top, top_mem, top_time and top_io). To
 548          * avoid having almost-same code four times, we have this special
 549          * handler. */
 550         if (strncmp(s, "top", 3) == EQUAL) {
 551                 add_update_callback(&update_meminfo);
 552                 add_update_callback(&update_top);
 553                 if (!parse_top_args(s, arg, obj)) {
 554                         return NULL;
 555                 }
 556         } else OBJ(addr, &update_net_stats)
 557                 parse_net_stat_arg(obj, arg, free_at_crash);
 558 #if defined(__linux__)
 559         END OBJ(addrs, &update_net_stats)
 560                 parse_net_stat_arg(obj, arg, free_at_crash);
 561 #endif /* __linux__ */
 562         END OBJ_ARG(tail, 0, "tail needs arguments")
 563                 init_tailhead("tail", arg, obj, free_at_crash);
 564         END OBJ_ARG(head, 0, "head needs arguments")
 565                 init_tailhead("head", arg, obj, free_at_crash);
 566         END OBJ_ARG(lines, 0, "lines needs an argument")
 567                 obj->data.s = strndup(arg, text_buffer_size);
 568         END OBJ_ARG(words, 0, "words needs a argument")
 569                 obj->data.s = strndup(arg, text_buffer_size);
 570         END OBJ(loadavg, &update_load_average)
 571                 scan_loadavg_arg(obj, arg);
 572         END OBJ_IF_ARG(if_empty, 0, "if_empty needs an argument")
 573                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 574                 obj->sub = malloc(sizeof(struct text_object));
 575                 extract_variable_text_internal(obj->sub, obj->data.ifblock.s);
 576         END OBJ_IF_ARG(if_match, 0, "if_match needs arguments")
 577                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 578                 obj->sub = malloc(sizeof(struct text_object));
 579                 extract_variable_text_internal(obj->sub, obj->data.ifblock.s);
 580         END OBJ_IF_ARG(if_existing, 0, "if_existing needs an argument or two")
 581                 char buf1[256], buf2[256];
 582                 int r = sscanf(arg, "%255s %255[^\n]", buf1, buf2);
 583
 584                 if (r == 1) {
 585                         obj->data.ifblock.s = strndup(buf1, text_buffer_size);
 586                         obj->data.ifblock.str = NULL;
 587                 } else {
 588                         obj->data.ifblock.s = strndup(buf1, text_buffer_size);
 589                         obj->data.ifblock.str = strndup(buf2, text_buffer_size);
 590                 }
 591                 DBGP("if_existing: '%s' '%s'", obj->data.ifblock.s, obj->data.ifblock.str);
 592         END OBJ_IF_ARG(if_mounted, 0, "if_mounted needs an argument")
 593                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 594 #ifdef __linux__
 595         END OBJ_IF_ARG(if_running, &update_top, "if_running needs an argument")
 596                 top_running = 1;
 597                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 598 #else
 599         END OBJ_IF_ARG(if_running, 0, "if_running needs an argument")
 600                 char buf[256];
 601
 602                 snprintf(buf, 256, "pidof %s >/dev/null", arg);
 603                 obj->data.ifblock.s = strndup(buf, text_buffer_size);
 604 #endif
 605         END OBJ(kernel, 0)
 606         END OBJ(machine, 0)
 607         END OBJ(mails, 0)
 608                 parse_local_mail_args(obj, arg);
 609         END OBJ(new_mails, 0)
 610                 parse_local_mail_args(obj, arg);
 611         END OBJ(seen_mails, 0)
 612                 parse_local_mail_args(obj, arg);
 613         END OBJ(unseen_mails, 0)
 614                 parse_local_mail_args(obj, arg);
 615         END OBJ(flagged_mails, 0)
 616                 parse_local_mail_args(obj, arg);
 617         END OBJ(unflagged_mails, 0)
 618                 parse_local_mail_args(obj, arg);
 619         END OBJ(forwarded_mails, 0)
 620                 parse_local_mail_args(obj, arg);
 621         END OBJ(unforwarded_mails, 0)
 622                 parse_local_mail_args(obj, arg);
 623         END OBJ(replied_mails, 0)
 624                 parse_local_mail_args(obj, arg);
 625         END OBJ(unreplied_mails, 0)
 626                 parse_local_mail_args(obj, arg);
 627         END OBJ(draft_mails, 0)
 628                 parse_local_mail_args(obj, arg);
 629         END OBJ(trashed_mails, 0)
 630                 parse_local_mail_args(obj, arg);
 631         END OBJ(mboxscan, 0)
 632                 parse_mboxscan_arg(obj, arg);
 633         END OBJ(mem, &update_meminfo)
 634         END OBJ(memeasyfree, &update_meminfo)
 635         END OBJ(memfree, &update_meminfo)
 636         END OBJ(memmax, &update_meminfo)
 637         END OBJ(memperc, &update_meminfo)
 638 #ifdef X11
 639         END OBJ(memgauge, &update_meminfo)
 640                 SIZE_DEFAULTS(gauge);
 641                 scan_gauge(arg, &obj->data.pair.a, &obj->data.pair.b);
 642 #endif /* X11*/
 643         END OBJ(membar, &update_meminfo)
 644                 scan_bar(obj, arg);
 645 #ifdef X11
 646         END OBJ(memgraph, &update_meminfo)
 647                 char *buf = 0;
 648                 buf = scan_graph(obj, arg);
 649
 650                 if (buf) free(buf);
 651 #endif /* X11*/
 652         END OBJ(mixer, 0)
 653                 parse_mixer_arg(obj, arg);
 654         END OBJ(mixerl, 0)
 655                 parse_mixer_arg(obj, arg);
 656         END OBJ(mixerr, 0)
 657                 parse_mixer_arg(obj, arg);
 658 #ifdef X11
 659         END OBJ(mixerbar, 0)
 660                 scan_mixer_bar(obj, arg);
 661         END OBJ(mixerlbar, 0)
 662                 scan_mixer_bar(obj, arg);
 663         END OBJ(mixerrbar, 0)
 664                 scan_mixer_bar(obj, arg);
 665 #endif
 666         END OBJ_IF(if_mixer_mute, 0)
 667                 parse_mixer_arg(obj, arg);
 668 #ifdef X11
 669         END OBJ(monitor, &update_x11info)
 670         END OBJ(monitor_number, &update_x11info)
 671         END OBJ(desktop, &update_x11info)
 672         END OBJ(desktop_number, &update_x11info)
 673         END OBJ(desktop_name, &update_x11info)
 674 #endif
 675         END OBJ(nodename, 0)
 676         END OBJ(processes, &update_total_processes)
 677         END OBJ(running_processes, &update_running_processes)
 678         END OBJ(shadecolor, 0)
 679 #ifdef X11
 680                 obj->data.l = arg ? get_x11_color(arg) : default_bg_color;
 681 #endif /* X11 */
 682         END OBJ(outlinecolor, 0)
 683 #ifdef X11
 684                 obj->data.l = arg ? get_x11_color(arg) : default_out_color;
 685 #endif /* X11 */
 686         END OBJ(stippled_hr, 0)
 687 #ifdef X11
 688                 int a = get_stippled_borders(), b = 1;
 689
 690                 if (arg) {
 691                         if (sscanf(arg, "%d %d", &a, &b) != 2) {
 692                                 sscanf(arg, "%d", &b);
 693                         }
 694                 }
 695                 if (a <= 0) {
 696                         a = 1;
 697                 }
 698                 obj->data.pair.a = a;
 699                 obj->data.pair.b = b;
 700 #endif /* X11 */
 701         END OBJ(swap, &update_meminfo)
 702         END OBJ(swapfree, &update_meminfo)
 703         END OBJ(swapmax, &update_meminfo)
 704         END OBJ(swapperc, &update_meminfo)
 705         END OBJ(swapbar, &update_meminfo)
 706                 scan_bar(obj, arg);
 707         END OBJ(sysname, 0)
 708         END OBJ(time, 0)
 709                 scan_time(obj, arg);
 710         END OBJ(utime, 0)
 711                 scan_time(obj, arg);
 712         END OBJ(tztime, 0)
 713                 scan_tztime(obj, arg);
 714 #ifdef HAVE_ICONV
 715         END OBJ_ARG(iconv_start, 0, "Iconv requires arguments")
 716                 init_iconv_start(obj, free_at_crash, arg);
 717         END OBJ(iconv_stop, 0)
 718                 init_iconv_stop();
 719 #endif
 720         END OBJ(totaldown, &update_net_stats)
 721                 parse_net_stat_arg(obj, arg, free_at_crash);
 722         END OBJ(totalup, &update_net_stats)
 723                 parse_net_stat_arg(obj, arg, free_at_crash);
 724         END OBJ(updates, 0)
 725         END OBJ_IF(if_updatenr, 0)
 726                 obj->data.ifblock.i = arg ? atoi(arg) : 0;
 727                 if(obj->data.ifblock.i == 0) CRIT_ERR(obj, free_at_crash, "if_updatenr needs a number above 0 as argument");
 728                 set_updatereset(obj->data.ifblock.i > get_updatereset() ? obj->data.ifblock.i : get_updatereset());
 729         END OBJ(alignr, 0)
 730                 obj->data.i = arg ? atoi(arg) : 0;
 731         END OBJ(alignc, 0)
 732                 obj->data.i = arg ? atoi(arg) : 0;
 733         END OBJ(upspeed, &update_net_stats)
 734                 parse_net_stat_arg(obj, arg, free_at_crash);
 735         END OBJ(upspeedf, &update_net_stats)
 736                 parse_net_stat_arg(obj, arg, free_at_crash);
 737 #ifdef X11
 738         END OBJ(upspeedgraph, &update_net_stats)
 739                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 740 #endif
 741         END OBJ(uptime_short, &update_uptime)
 742         END OBJ(uptime, &update_uptime)
 743         END OBJ(user_names, &update_users)
 744         END OBJ(user_times, &update_users)
 745         END OBJ(user_terms, &update_users)
 746         END OBJ(user_number, &update_users)
 747 #if defined(__linux__)
 748         END OBJ(gw_iface, &update_gateway_info)
 749         END OBJ(gw_ip, &update_gateway_info)
 750 #endif /* !__linux__ */
 751 #ifndef __OpenBSD__
 752         END OBJ(adt746xcpu, 0)
 753         END OBJ(adt746xfan, 0)
 754 #endif /* !__OpenBSD__ */
 755 #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
 756                 || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__))
 757         END OBJ(apm_adapter, 0)
 758         END OBJ(apm_battery_life, 0)
 759         END OBJ(apm_battery_time, 0)
 760 #endif /* __FreeBSD__ */
 761         END OBJ(imap_unseen, 0)
 762                 parse_imap_mail_args(obj, arg);
 763         END OBJ(imap_messages, 0)
 764                 parse_imap_mail_args(obj, arg);
 765         END OBJ(pop3_unseen, 0)
 766                 parse_pop3_mail_args(obj, arg);
 767         END OBJ(pop3_used, 0)
 768                 parse_pop3_mail_args(obj, arg);
 769 #ifdef IBM
 770         END OBJ_ARG(smapi, 0, "smapi needs an argument")
 771                 obj->data.s = strndup(arg, text_buffer_size);
 772         END OBJ_IF_ARG(if_smapi_bat_installed, 0, "if_smapi_bat_installed needs an argument")
 773                 obj->data.ifblock.s = strndup(arg, text_buffer_size);
 774         END OBJ_ARG(smapi_bat_perc, 0, "smapi_bat_perc needs an argument")
 775                 obj->data.s = strndup(arg, text_buffer_size);
 776         END OBJ_ARG(smapi_bat_temp, 0, "smapi_bat_temp needs an argument")
 777                 obj->data.s = strndup(arg, text_buffer_size);
 778         END OBJ_ARG(smapi_bat_power, 0, "smapi_bat_power needs an argument")
 779                 obj->data.s = strndup(arg, text_buffer_size);
 780 #ifdef X11
 781         END OBJ_ARG(smapi_bat_bar, 0, "smapi_bat_bar needs an argument")
 782                 int cnt;
 783                 if(sscanf(arg, "%i %n", &obj->data.i, &cnt) <= 0) {
 784                         NORM_ERR("first argument to smapi_bat_bar must be an integer value");
 785                         obj->data.i = -1;
 786                 } else
 787                         arg = scan_bar(obj, arg + cnt);
 788 #endif /* X11 */
 789 #endif /* IBM */
 790 #ifdef MPD
 791 #define mpd_set_maxlen(name) \
 792                 if (arg) { \
 793                         int i; \
 794                         sscanf(arg, "%d", &i); \
 795                         if (i > 0) \
 796                                 obj->data.i = i + 1; \
 797                         else \
 798                                 NORM_ERR(#name ": invalid length argument"); \
 799                 }
 800         END OBJ(mpd_artist, &update_mpd)
 801                 mpd_set_maxlen(mpd_artist);
 802                 init_mpd();
 803         END OBJ(mpd_title, &update_mpd)
 804                 mpd_set_maxlen(mpd_title);
 805                 init_mpd();
 806         END OBJ(mpd_random, &update_mpd) init_mpd();
 807         END OBJ(mpd_repeat, &update_mpd) init_mpd();
 808         END OBJ(mpd_elapsed, &update_mpd) init_mpd();
 809         END OBJ(mpd_length, &update_mpd) init_mpd();
 810         END OBJ(mpd_track, &update_mpd)
 811                 mpd_set_maxlen(mpd_track);
 812                 init_mpd();
 813         END OBJ(mpd_name, &update_mpd)
 814                 mpd_set_maxlen(mpd_name);
 815                 init_mpd();
 816         END OBJ(mpd_file, &update_mpd)
 817                 mpd_set_maxlen(mpd_file);
 818                 init_mpd();
 819         END OBJ(mpd_percent, &update_mpd) init_mpd();
 820         END OBJ(mpd_album, &update_mpd)
 821                 mpd_set_maxlen(mpd_album);
 822                 init_mpd();
 823         END OBJ(mpd_vol, &update_mpd) init_mpd();
 824         END OBJ(mpd_bitrate, &update_mpd) init_mpd();
 825         END OBJ(mpd_status, &update_mpd) init_mpd();
 826         END OBJ(mpd_bar, &update_mpd)
 827                 scan_bar(obj, arg);
 828                 init_mpd();
 829         END OBJ(mpd_smart, &update_mpd)
 830                 mpd_set_maxlen(mpd_smart);
 831                 init_mpd();
 832         END OBJ_IF(if_mpd_playing, &update_mpd)
 833                 init_mpd();
 834 #undef mpd_set_maxlen
 835 #endif /* MPD */
 836 #ifdef MOC
 837         END OBJ(moc_state, &update_moc)
 838         END OBJ(moc_file, &update_moc)
 839         END OBJ(moc_title, &update_moc)
 840         END OBJ(moc_artist, &update_moc)
 841         END OBJ(moc_song, &update_moc)
 842         END OBJ(moc_album, &update_moc)
 843         END OBJ(moc_totaltime, &update_moc)
 844         END OBJ(moc_timeleft, &update_moc)
 845         END OBJ(moc_curtime, &update_moc)
 846         END OBJ(moc_bitrate, &update_moc)
 847         END OBJ(moc_rate, &update_moc)
 848 #endif /* MOC */
 849 #ifdef XMMS2
 850         END OBJ(xmms2_artist, &update_xmms2)
 851         END OBJ(xmms2_album, &update_xmms2)
 852         END OBJ(xmms2_title, &update_xmms2)
 853         END OBJ(xmms2_genre, &update_xmms2)
 854         END OBJ(xmms2_comment, &update_xmms2)
 855         END OBJ(xmms2_url, &update_xmms2)
 856         END OBJ(xmms2_tracknr, &update_xmms2)
 857         END OBJ(xmms2_bitrate, &update_xmms2)
 858         END OBJ(xmms2_date, &update_xmms2)
 859         END OBJ(xmms2_id, &update_xmms2)
 860         END OBJ(xmms2_duration, &update_xmms2)
 861         END OBJ(xmms2_elapsed, &update_xmms2)
 862         END OBJ(xmms2_size, &update_xmms2)
 863         END OBJ(xmms2_status, &update_xmms2)
 864         END OBJ(xmms2_percent, &update_xmms2)
 865 #ifdef X11
 866         END OBJ(xmms2_bar, &update_xmms2)
 867                 scan_bar(obj, arg);
 868 #endif /* X11 */
 869         END OBJ(xmms2_smart, &update_xmms2)
 870         END OBJ(xmms2_playlist, &update_xmms2)
 871         END OBJ(xmms2_timesplayed, &update_xmms2)
 872         END OBJ_IF(if_xmms2_connected, &update_xmms2)
 873 #endif
 874 #ifdef AUDACIOUS
 875         END OBJ(audacious_status, &update_audacious)
 876         END OBJ_ARG(audacious_title, &update_audacious, "audacious_title needs an argument")
 877                 sscanf(arg, "%d", &info.audacious.max_title_len);
 878                 if (info.audacious.max_title_len > 0) {
 879                         info.audacious.max_title_len++;
 880                 } else {
 881                         CRIT_ERR(obj, free_at_crash, "audacious_title: invalid length argument");
 882                 }
 883         END OBJ(audacious_length, &update_audacious)
 884         END OBJ(audacious_length_seconds, &update_audacious)
 885         END OBJ(audacious_position, &update_audacious)
 886         END OBJ(audacious_position_seconds, &update_audacious)
 887         END OBJ(audacious_bitrate, &update_audacious)
 888         END OBJ(audacious_frequency, &update_audacious)
 889         END OBJ(audacious_channels, &update_audacious)
 890         END OBJ(audacious_filename, &update_audacious)
 891         END OBJ(audacious_playlist_length, &update_audacious)
 892         END OBJ(audacious_playlist_position, &update_audacious)
 893         END OBJ(audacious_main_volume, &update_audacious)
 894 #ifdef X11
 895         END OBJ(audacious_bar, &update_audacious)
 896                 scan_bar(obj, arg);
 897 #endif /* X11 */
 898 #endif
 899 #ifdef BMPX
 900         END OBJ(bmpx_title, &update_bmpx)
 901                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 902         END OBJ(bmpx_artist, &update_bmpx)
 903                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 904         END OBJ(bmpx_album, &update_bmpx)
 905                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 906         END OBJ(bmpx_track, &update_bmpx)
 907                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 908         END OBJ(bmpx_uri, &update_bmpx)
 909                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 910         END OBJ(bmpx_bitrate, &update_bmpx)
 911                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 912 #endif
 913 #ifdef EVE
 914         END OBJ_ARG(eve, 0, "eve needs arguments: <userid> <apikey> <characterid>")
 915                 scan_eve(obj, arg);
 916 #endif
 917 #ifdef HAVE_CURL
 918         END OBJ_ARG(curl, 0, "curl needs arguments: <uri> <interval in minutes>")
 919                 curl_parse_arg(obj, arg);
 920 #endif
 921 #ifdef RSS
 922         END OBJ_ARG(rss, 0, "rss needs arguments: <uri> <interval in minutes> <action> [act_par] [spaces in front]")
 923                 rss_scan_arg(obj, arg);
 924 #endif
 925 #ifdef WEATHER
 926         END OBJ_ARG(weather, 0, "weather needs arguments: <uri> <locID> <data_type> [interval in minutes]")
 927                 scan_weather_arg(obj, arg, free_at_crash);
 928 #endif
 929 #ifdef XOAP
 930         END OBJ_ARG(weather_forecast, 0, "weather_forecast needs arguments: <uri> <locID> <day> <data_type> [interval in minutes]")
 931                 scan_weather_forecast_arg(obj, arg, free_at_crash);
 932 #endif
 933 #ifdef HAVE_LUA
 934         END OBJ_ARG(lua, 0, "lua needs arguments: <function name> [function parameters]")
 935                 obj->data.s = strndup(arg, text_buffer_size);
 936         END OBJ_ARG(lua_parse, 0, "lua_parse needs arguments: <function name> [function parameters]")
 937                 obj->data.s = strndup(arg, text_buffer_size);
 938         END OBJ_ARG(lua_bar, 0, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]")
 939                 arg = scan_bar(obj, arg);
 940                 if(arg) {
 941                         obj->data.s = strndup(arg, text_buffer_size);
 942                 } else {
 943                         CRIT_ERR(obj, free_at_crash, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]");
 944                 }
 945 #ifdef X11
 946         END OBJ_ARG(lua_graph, 0, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]")
 947                 char *buf = 0;
 948                 buf = scan_graph(obj, arg);
 949                 if (buf) {
 950                         obj->data.s = buf;
 951                 } else {
 952                         CRIT_ERR(obj, free_at_crash, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]");
 953                 }
 954         END OBJ_ARG(lua_gauge, 0, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]")
 955                 SIZE_DEFAULTS(gauge);
 956                 arg = scan_gauge(arg, &obj->a, &obj->b);
 957                 if (arg) {
 958                         obj->data.s = strndup(arg, text_buffer_size);
 959                 } else {
 960                         CRIT_ERR(obj, free_at_crash, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]");
 961                 }
 962 #endif /* X11 */
 963 #endif /* HAVE_LUA */
 964 #ifdef HDDTEMP
 965         END OBJ(hddtemp, &update_hddtemp)
 966                 if (arg)
 967                         obj->data.s = strndup(arg, text_buffer_size);
 968 #endif /* HDDTEMP */
 969 #ifdef TCP_PORT_MONITOR
 970         END OBJ_ARG(tcp_portmon, &tcp_portmon_update, "tcp_portmon: needs arguments")
 971                 tcp_portmon_init(obj, arg);
 972 #endif /* TCP_PORT_MONITOR */
 973         END OBJ(entropy_avail, &update_entropy)
 974         END OBJ(entropy_perc, &update_entropy)
 975         END OBJ(entropy_poolsize, &update_entropy)
 976         END OBJ(entropy_bar, &update_entropy)
 977                 scan_bar(obj, arg);
 978         END OBJ_ARG(include, 0, "include needs a argument")
 979                 struct conftree *leaf = conftree_add(currentconffile, arg);
 980                 if(leaf) {
 981                         if (load_config_file(arg) == TRUE) {
 982                                 obj->sub = malloc(sizeof(struct text_object));
 983                                 currentconffile = leaf;
 984                                 extract_variable_text_internal(obj->sub, get_global_text());
 985                                 currentconffile = leaf->back;
 986                         } else {
 987                                 NORM_ERR("Can't load configfile '%s'.", arg);
 988                         }
 989                 } else {
 990                         NORM_ERR("You are trying to load '%s' recursively, I'm only going to load it once to prevent an infinite loop.", arg);
 991                 }
 992         END OBJ_ARG(blink, 0, "blink needs a argument")
 993                 obj->sub = malloc(sizeof(struct text_object));
 994                 extract_variable_text_internal(obj->sub, arg);
 995         END OBJ_ARG(to_bytes, 0, "to_bytes needs a argument")
 996                 obj->sub = malloc(sizeof(struct text_object));
 997                 extract_variable_text_internal(obj->sub, arg);
 998         END OBJ(scroll, 0)
 999                 parse_scroll_arg(obj, arg, free_at_crash);
1000         END OBJ_ARG(combine, 0, "combine needs arguments: <text1> <text2>")
1001                 parse_combine_arg(obj, arg, free_at_crash);
1002 #ifdef NVIDIA
1003         END OBJ_ARG(nvidia, 0, "nvidia needs an argument")
1004                 if (set_nvidia_type(obj, arg)) {
1005                         CRIT_ERR(obj, free_at_crash, "nvidia: invalid argument"
1006                                  " specified: '%s'\n", arg);
1007                 }
1008 #endif /* NVIDIA */
1009 #ifdef APCUPSD
1010         END OBJ_ARG(apcupsd, &update_apcupsd, "apcupsd needs arguments: <host> <port>")
1011                 char host[64];
1012                 int port;
1013                 if (sscanf(arg, "%63s %d", host, &port) != 2) {
1014                         CRIT_ERR(obj, free_at_crash, "apcupsd needs arguments: <host> <port>");
1015                 } else {
1016                         info.apcupsd.port = htons(port);
1017                         strncpy(info.apcupsd.host, host, sizeof(info.apcupsd.host));
1018                 }
1019         END OBJ(apcupsd_name, &update_apcupsd)
1020         END OBJ(apcupsd_model, &update_apcupsd)
1021         END OBJ(apcupsd_upsmode, &update_apcupsd)
1022         END OBJ(apcupsd_cable, &update_apcupsd)
1023         END OBJ(apcupsd_status, &update_apcupsd)
1024         END OBJ(apcupsd_linev, &update_apcupsd)
1025         END OBJ(apcupsd_load, &update_apcupsd)
1026         END OBJ(apcupsd_loadbar, &update_apcupsd)
1027                 scan_bar(obj, arg);
1028 #ifdef X11
1029         END OBJ(apcupsd_loadgraph, &update_apcupsd)
1030                 char* buf = 0;
1031                 buf = scan_graph(obj, arg);
1032                 if (buf) free(buf);
1033         END OBJ(apcupsd_loadgauge, &update_apcupsd)
1034                 SIZE_DEFAULTS(gauge);
1035                 scan_gauge(arg, &obj->a, &obj->b);
1036 #endif /* X11 */
1037         END OBJ(apcupsd_charge, &update_apcupsd)
1038         END OBJ(apcupsd_timeleft, &update_apcupsd)
1039         END OBJ(apcupsd_temp, &update_apcupsd)
1040         END OBJ(apcupsd_lastxfer, &update_apcupsd)
1041 #endif /* APCUPSD */
1042         END {
1043                 char buf[256];
1044
1045                 NORM_ERR("unknown variable %s", s);
1046                 obj->type = OBJ_text;
1047                 snprintf(buf, 256, "${%s}", s);
1048                 obj->data.s = strndup(buf, text_buffer_size);
1049         }
1050 #undef OBJ
1051 #undef OBJ_IF
1052 #undef OBJ_ARG
1053 #undef OBJ_IF_ARG
1054 #undef __OBJ_HEAD
1055 #undef __OBJ_IF
1056 #undef __OBJ_ARG
1057 #undef END
1058 #undef SIZE_DEFAULTS
1059
1060         return obj;
1061 }
1062
1063 /*
1064  * - assumes that *string is '#'
1065  * - removes the part from '#' to the end of line ('\n' or '\0')
1066  * - it removes the '\n'
1067  * - copies the last char into 'char *last' argument, which should be a pointer
1068  *   to a char rather than a string.
1069  */
1070 static size_t remove_comment(char *string, char *last)
1071 {
1072         char *end = string;
1073         while (*end != '\0' && *end != '\n') {
1074                 ++end;
1075         }
1076         if (last) *last = *end;
1077         if (*end == '\n') end++;
1078         strfold(string, end - string);
1079         return end - string;
1080 }
1081
1082 size_t remove_comments(char *string)
1083 {
1084         char *curplace;
1085         size_t folded = 0;
1086         for (curplace = string; *curplace != 0; curplace++) {
1087                 if (*curplace == '\\' && *(curplace + 1) == '#') {
1088                         // strcpy can't be used for overlapping strings
1089                         strfold(curplace, 1);
1090                         folded += 1;
1091                 } else if (*curplace == '#') {
1092                         folded += remove_comment(curplace, 0);
1093                 }
1094         }
1095         return folded;
1096 }
1097
1098 int extract_variable_text_internal(struct text_object *retval, const char *const_p)
1099 {
1100         struct text_object *obj;
1101         char *p, *s, *orig_p;
1102         long line;
1103         void *ifblock_opaque = NULL;
1104         char *tmp_p;
1105         char *arg = 0;
1106         size_t len = 0;
1107
1108         p = strndup(const_p, max_user_text - 1);
1109         while (text_contains_templates(p)) {
1110                 char *tmp;
1111                 tmp = find_and_replace_templates(p);
1112                 free(p);
1113                 p = tmp;
1114         }
1115         s = orig_p = p;
1116
1117         if (strcmp(p, const_p)) {
1118                 DBGP("replaced all templates in text: input is\n'%s'\noutput is\n'%s'", const_p, p);
1119         } else {
1120                 DBGP("no templates to replace");
1121         }
1122
1123         memset(retval, 0, sizeof(struct text_object));
1124
1125         line = global_text_lines;
1126
1127         while (*p) {
1128                 if (*p == '\n') {
1129                         line++;
1130                 }
1131                 if (*p == '$') {
1132                         *p = '\0';
1133                         obj = create_plain_text(s);
1134                         if (obj != NULL) {
1135                                 append_object(retval, obj);
1136                         }
1137                         *p = '$';
1138                         p++;
1139                         s = p;
1140
1141                         if (*p != '$') {
1142                                 char buf[256];
1143                                 const char *var;
1144
1145                                 /* variable is either $foo or ${foo} */
1146                                 if (*p == '{') {
1147                                         unsigned int brl = 1, brr = 0;
1148
1149                                         p++;
1150                                         s = p;
1151                                         while (*p && brl != brr) {
1152                                                 if (*p == '{') {
1153                                                         brl++;
1154                                                 }
1155                                                 if (*p == '}') {
1156                                                         brr++;
1157                                                 }
1158                                                 p++;
1159                                         }
1160                                         p--;
1161                                 } else {
1162                                         s = p;
1163                                         if (*p == '#') {
1164                                                 p++;
1165                                         }
1166                                         while (*p && (isalnum((int) *p) || *p == '_')) {
1167                                                 p++;
1168                                         }
1169                                 }
1170
1171                                 /* copy variable to buffer */
1172                                 len = (p - s > 255) ? 255 : (p - s);
1173                                 strncpy(buf, s, len);
1174                                 buf[len] = '\0';
1175
1176                                 if (*p == '}') {
1177                                         p++;
1178                                 }
1179                                 s = p;
1180
1181                                 /* search for variable in environment */
1182
1183                                 var = getenv(buf);
1184                                 if (var) {
1185                                         obj = create_plain_text(var);
1186                                         if (obj) {
1187                                                 append_object(retval, obj);
1188                                         }
1189                                         continue;
1190                                 }
1191
1192                                 /* if variable wasn't found in environment, use some special */
1193
1194                                 arg = 0;
1195
1196                                 /* split arg */
1197                                 if (strchr(buf, ' ')) {
1198                                         arg = strchr(buf, ' ');
1199                                         *arg = '\0';
1200                                         arg++;
1201                                         while (isspace((int) *arg)) {
1202                                                 arg++;
1203                                         }
1204                                         if (!*arg) {
1205                                                 arg = 0;
1206                                         }
1207                                 }
1208
1209                                 /* lowercase variable name */
1210                                 tmp_p = buf;
1211                                 while (*tmp_p) {
1212                                         *tmp_p = tolower(*tmp_p);
1213                                         tmp_p++;
1214                                 }
1215
1216                                 obj = construct_text_object(buf, arg,
1217                                                 line, &ifblock_opaque, orig_p);
1218                                 if (obj != NULL) {
1219                                         append_object(retval, obj);
1220                                 }
1221                                 continue;
1222                         } else {
1223                                 obj = create_plain_text("$");
1224                                 s = p + 1;
1225                                 if (obj != NULL) {
1226                                         append_object(retval, obj);
1227                                 }
1228                         }
1229                 } else if (*p == '\\' && *(p+1) == '#') {
1230                         strfold(p, 1);
1231                 } else if (*p == '#') {
1232                         char c;
1233                         if (remove_comment(p, &c) && p > orig_p && c == '\n') {
1234                                 /* if remove_comment removed a newline, we need to 'back up' with p */
1235                                 p--;
1236                         }
1237                 }
1238                 p++;
1239         }
1240         obj = create_plain_text(s);
1241         if (obj != NULL) {
1242                 append_object(retval, obj);
1243         }
1244
1245         if (!ifblock_stack_empty(&ifblock_opaque)) {
1246                 NORM_ERR("one or more $endif's are missing");
1247         }
1248
1249         free(orig_p);
1250         return 0;
1251 }
1252
1253 /*
1254  * Frees the list of text objects root points to.  When internal = 1, it won't
1255  * free global objects.
1256  */
1257 void free_text_objects(struct text_object *root, int internal)
1258 {
1259         struct text_object *obj;
1260
1261         if (!root->prev) {
1262                 return;
1263         }
1264
1265 #define data obj->data
1266         for (obj = root->prev; obj; obj = root->prev) {
1267                 root->prev = obj->prev;
1268                 switch (obj->type) {
1269 #ifndef __OpenBSD__
1270                         case OBJ_acpitemp:
1271                                 close(data.i);
1272                                 break;
1273 #endif /* !__OpenBSD__ */
1274 #ifdef __linux__
1275                         case OBJ_i2c:
1276                         case OBJ_platform:
1277                         case OBJ_hwmon:
1278                                 free_sysfs_sensor(obj);
1279                                 break;
1280 #endif /* __linux__ */
1281                         case OBJ_read_tcp:
1282                                 free_read_tcp(obj);
1283                                 break;
1284                         case OBJ_time:
1285                         case OBJ_utime:
1286                                 free_time(obj);
1287                                 break;
1288                         case OBJ_tztime:
1289                                 free_tztime(obj);
1290                                 break;
1291                         case OBJ_mboxscan:
1292                                 free_mboxscan(obj);
1293                                 break;
1294                         case OBJ_mails:
1295                         case OBJ_new_mails:
1296                         case OBJ_seen_mails:
1297                         case OBJ_unseen_mails:
1298                         case OBJ_flagged_mails:
1299                         case OBJ_unflagged_mails:
1300                         case OBJ_forwarded_mails:
1301                         case OBJ_unforwarded_mails:
1302                         case OBJ_replied_mails:
1303                         case OBJ_unreplied_mails:
1304                         case OBJ_draft_mails:
1305                         case OBJ_trashed_mails:
1306                                 free_local_mails(obj);
1307                                 break;
1308                         case OBJ_imap_unseen:
1309                         case OBJ_imap_messages:
1310                         case OBJ_pop3_unseen:
1311                         case OBJ_pop3_used:
1312                                 free_mail_obj(obj);
1313                                 break;
1314                         case OBJ_if_empty:
1315                         case OBJ_if_match:
1316                                 free_text_objects(obj->sub, 1);
1317                                 free(obj->sub);
1318                                 /* fall through */
1319                         case OBJ_if_existing:
1320                         case OBJ_if_mounted:
1321                         case OBJ_if_running:
1322                                 free(data.ifblock.s);
1323                                 free(data.ifblock.str);
1324                                 break;
1325                         case OBJ_head:
1326                         case OBJ_tail:
1327                                 free_tailhead(obj);
1328                                 break;
1329                         case OBJ_text:
1330                         case OBJ_font:
1331                         case OBJ_image:
1332                         case OBJ_eval:
1333                         case OBJ_exec:
1334                         case OBJ_execbar:
1335 #ifdef X11
1336                         case OBJ_execgauge:
1337                         case OBJ_execgraph:
1338 #endif
1339                         case OBJ_execp:
1340                                 free_exec(obj);
1341                                 break;
1342 #ifdef HAVE_ICONV
1343                         case OBJ_iconv_start:
1344                                 free_iconv();
1345                                 break;
1346 #endif
1347 #ifdef __linux__
1348                         case OBJ_disk_protect:
1349                                 free(data.s);
1350                                 break;
1351                         case OBJ_if_gw:
1352                                 free(data.ifblock.s);
1353                                 free(data.ifblock.str);
1354                         case OBJ_gw_iface:
1355                         case OBJ_gw_ip:
1356                                 free_gateway_info();
1357                                 break;
1358                         case OBJ_ioscheduler:
1359                                 if(data.s)
1360                                         free(data.s);
1361                                 break;
1362 #endif
1363 #if (defined(__FreeBSD__) || defined(__linux__))
1364                         case OBJ_if_up:
1365                                 free_if_up(obj);
1366                                 break;
1367 #endif
1368 #ifdef XMMS2
1369                         case OBJ_xmms2_artist:
1370                                 if (info.xmms2.artist) {
1371                                         free(info.xmms2.artist);
1372                                         info.xmms2.artist = 0;
1373                                 }
1374                                 break;
1375                         case OBJ_xmms2_album:
1376                                 if (info.xmms2.album) {
1377                                         free(info.xmms2.album);
1378                                         info.xmms2.album = 0;
1379                                 }
1380                                 break;
1381                         case OBJ_xmms2_title:
1382                                 if (info.xmms2.title) {
1383                                         free(info.xmms2.title);
1384                                         info.xmms2.title = 0;
1385                                 }
1386                                 break;
1387                         case OBJ_xmms2_genre:
1388                                 if (info.xmms2.genre) {
1389                                         free(info.xmms2.genre);
1390                                         info.xmms2.genre = 0;
1391                                 }
1392                                 break;
1393                         case OBJ_xmms2_comment:
1394                                 if (info.xmms2.comment) {
1395                                         free(info.xmms2.comment);
1396                                         info.xmms2.comment = 0;
1397                                 }
1398                                 break;
1399                         case OBJ_xmms2_url:
1400                                 if (info.xmms2.url) {
1401                                         free(info.xmms2.url);
1402                                         info.xmms2.url = 0;
1403                                 }
1404                                 break;
1405                         case OBJ_xmms2_date:
1406                                 if (info.xmms2.date) {
1407                                         free(info.xmms2.date);
1408                                         info.xmms2.date = 0;
1409                                 }
1410                                 break;
1411                         case OBJ_xmms2_status:
1412                                 if (info.xmms2.status) {
1413                                         free(info.xmms2.status);
1414                                         info.xmms2.status = 0;
1415                                 }
1416                                 break;
1417                         case OBJ_xmms2_playlist:
1418                                 if (info.xmms2.playlist) {
1419                                         free(info.xmms2.playlist);
1420                                         info.xmms2.playlist = 0;
1421                                 }
1422                                 break;
1423                         case OBJ_xmms2_smart:
1424                                 if (info.xmms2.artist) {
1425                                         free(info.xmms2.artist);
1426                                         info.xmms2.artist = 0;
1427                                 }
1428                                 if (info.xmms2.title) {
1429                                         free(info.xmms2.title);
1430                                         info.xmms2.title = 0;
1431                                 }
1432                                 if (info.xmms2.url) {
1433                                         free(info.xmms2.url);
1434                                         info.xmms2.url = 0;
1435                                 }
1436                                 break;
1437 #endif
1438 #ifdef BMPX
1439                         case OBJ_bmpx_title:
1440                         case OBJ_bmpx_artist:
1441                         case OBJ_bmpx_album:
1442                         case OBJ_bmpx_track:
1443                         case OBJ_bmpx_uri:
1444                         case OBJ_bmpx_bitrate:
1445                                 break;
1446 #endif
1447 #ifdef EVE
1448                         case OBJ_eve:
1449                                 free_eve(obj);
1450                                 break;
1451 #endif
1452 #ifdef HAVE_CURL
1453                         case OBJ_curl:
1454                                 curl_obj_free(obj);
1455                                 break;
1456 #endif
1457 #ifdef RSS
1458                         case OBJ_rss:
1459                                 rss_free_obj_info(obj);
1460                                 break;
1461 #endif
1462 #ifdef WEATHER
1463                         case OBJ_weather:
1464                                 free_weather(obj);
1465                                 break;
1466 #endif
1467 #ifdef XOAP
1468                         case OBJ_weather_forecast:
1469                                 free_weather(obj);
1470                                 break;
1471 #endif
1472 #ifdef HAVE_LUA
1473                         case OBJ_lua:
1474                         case OBJ_lua_parse:
1475                         case OBJ_lua_bar:
1476 #ifdef X11
1477                         case OBJ_lua_graph:
1478                         case OBJ_lua_gauge:
1479 #endif /* X11 */
1480                                 free(data.s);
1481                                 break;
1482 #endif /* HAVE_LUA */
1483                         case OBJ_pre_exec:
1484                                 break;
1485 #ifndef __OpenBSD__
1486                         case OBJ_battery:
1487                                 free(data.s);
1488                                 break;
1489                         case OBJ_battery_short:
1490                                 free(data.s);
1491                                 break;
1492                         case OBJ_battery_time:
1493                                 free(data.s);
1494                                 break;
1495 #endif /* !__OpenBSD__ */
1496                         case OBJ_execpi:
1497                         case OBJ_execi:
1498                         case OBJ_execibar:
1499                         case OBJ_texeci:
1500 #ifdef X11
1501                         case OBJ_execigraph:
1502                         case OBJ_execigauge:
1503 #endif /* X11 */
1504                                 free_execi(obj);
1505                                 break;
1506                         case OBJ_nameserver:
1507                                 free_dns_data();
1508                                 break;
1509                         case OBJ_top:
1510                         case OBJ_top_mem:
1511                         case OBJ_top_time:
1512 #ifdef IOSTATS
1513                         case OBJ_top_io:
1514 #endif
1515                                 free_top(obj, internal);
1516                                 break;
1517 #ifdef HDDTEMP
1518                         case OBJ_hddtemp:
1519                                 if (data.s) {
1520                                         free(data.s);
1521                                         data.s = NULL;
1522                                 }
1523                                 free_hddtemp();
1524                                 break;
1525 #endif /* HDDTEMP */
1526                         case OBJ_entropy_avail:
1527                         case OBJ_entropy_perc:
1528                         case OBJ_entropy_poolsize:
1529                         case OBJ_entropy_bar:
1530                                 break;
1531                         case OBJ_user_names:
1532                                 if (info.users.names) {
1533                                         free(info.users.names);
1534                                         info.users.names = 0;
1535                                 }
1536                                 break;
1537                         case OBJ_user_terms:
1538                                 if (info.users.terms) {
1539                                         free(info.users.terms);
1540                                         info.users.terms = 0;
1541                                 }
1542                                 break;
1543                         case OBJ_user_times:
1544                                 if (info.users.times) {
1545                                         free(info.users.times);
1546                                         info.users.times = 0;
1547                                 }
1548                                 break;
1549 #ifdef IBM
1550                         case OBJ_smapi:
1551                         case OBJ_smapi_bat_perc:
1552                         case OBJ_smapi_bat_temp:
1553                         case OBJ_smapi_bat_power:
1554                                 free(data.s);
1555                                 break;
1556                         case OBJ_if_smapi_bat_installed:
1557                                 free(data.ifblock.s);
1558                                 free(data.ifblock.str);
1559                                 break;
1560 #endif /* IBM */
1561 #ifdef NVIDIA
1562                         case OBJ_nvidia:
1563                                 free_nvidia(obj);
1564                                 break;
1565 #endif /* NVIDIA */
1566 #ifdef MPD
1567                         case OBJ_mpd_title:
1568                         case OBJ_mpd_artist:
1569                         case OBJ_mpd_album:
1570                         case OBJ_mpd_random:
1571                         case OBJ_mpd_repeat:
1572                         case OBJ_mpd_vol:
1573                         case OBJ_mpd_bitrate:
1574                         case OBJ_mpd_status:
1575                         case OBJ_mpd_bar:
1576                         case OBJ_mpd_elapsed:
1577                         case OBJ_mpd_length:
1578                         case OBJ_mpd_track:
1579                         case OBJ_mpd_name:
1580                         case OBJ_mpd_file:
1581                         case OBJ_mpd_percent:
1582                         case OBJ_mpd_smart:
1583                         case OBJ_if_mpd_playing:
1584                                 free_mpd();
1585                                 break;
1586 #endif /* MPD */
1587 #ifdef MOC
1588                         case OBJ_moc_state:
1589                         case OBJ_moc_file:
1590                         case OBJ_moc_title:
1591                         case OBJ_moc_artist:
1592                         case OBJ_moc_song:
1593                         case OBJ_moc_album:
1594                         case OBJ_moc_totaltime:
1595                         case OBJ_moc_timeleft:
1596                         case OBJ_moc_curtime:
1597                         case OBJ_moc_bitrate:
1598                         case OBJ_moc_rate:
1599                                 free_moc();
1600                                 break;
1601 #endif /* MOC */
1602                         case OBJ_include:
1603                         case OBJ_blink:
1604                         case OBJ_to_bytes:
1605                                 if(obj->sub) {
1606                                         free_text_objects(obj->sub, 1);
1607                                         free(obj->sub);
1608                                 }
1609                                 break;
1610                         case OBJ_scroll:
1611                                 free_scroll(obj);
1612                                 break;
1613                         case OBJ_combine:
1614                                 free_combine(obj);
1615                                 break;
1616 #ifdef APCUPSD
1617                         case OBJ_apcupsd:
1618                         case OBJ_apcupsd_name:
1619                         case OBJ_apcupsd_model:
1620                         case OBJ_apcupsd_upsmode:
1621                         case OBJ_apcupsd_cable:
1622                         case OBJ_apcupsd_status:
1623                         case OBJ_apcupsd_linev:
1624                         case OBJ_apcupsd_load:
1625                         case OBJ_apcupsd_loadbar:
1626 #ifdef X11
1627                         case OBJ_apcupsd_loadgraph:
1628                         case OBJ_apcupsd_loadgauge:
1629 #endif /* X11 */
1630                         case OBJ_apcupsd_charge:
1631                         case OBJ_apcupsd_timeleft:
1632                         case OBJ_apcupsd_temp:
1633                         case OBJ_apcupsd_lastxfer:
1634                                 break;
1635 #endif /* APCUPSD */
1636 #ifdef TCP_PORT_MONITOR
1637                         case OBJ_tcp_portmon:
1638                                 tcp_portmon_free(obj);
1639                                 break;
1640 #endif /* TCP_PORT_MONITOR */
1641 #ifdef X11
1642                         case OBJ_desktop:
1643                         case OBJ_desktop_number:
1644                         case OBJ_desktop_name:
1645                                 if(info.x11.desktop.name && !internal) {
1646                                   free(info.x11.desktop.name);
1647                                   info.x11.desktop.name = NULL;
1648                                 }
1649                                 if(info.x11.desktop.all_names && !internal) {
1650                                   free(info.x11.desktop.all_names);
1651                                   info.x11.desktop.all_names = NULL;
1652                                 }
1653                                 break;
1654 #endif /* X11 */
1655                 }
1656                 free(obj);
1657         }
1658 #undef data
1659 }
1660