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 "entropy.h"
  40 #include "exec.h"
  41 #include "proc.h"
  42 #ifdef X11
  43 #include "fonts.h"
  44 #endif
  45 #include "fs.h"
  46 #ifdef HAVE_ICONV
  47 #include "iconv_tools.h"
  48 #endif
  49 #include "logging.h"
  50 #include "mixer.h"
  51 #include "mail.h"
  52 #include "mboxscan.h"
  53 #include "net_stat.h"
  54 #ifdef NVIDIA
  55 #include "nvidia.h"
  56 #endif
  57 #include "read_tcp.h"
  58 #include "scroll.h"
  59 #include "specials.h"
  60 #include "temphelper.h"
  61 #include "template.h"
  62 #include "tailhead.h"
  63 #include "timeinfo.h"
  64 #include "top.h"
  65
  66 #ifdef NCURSES
  67 #include <ncurses.h>
  68 #endif
  69
  70 /* check for OS and include appropriate headers */
  71 #if defined(__linux__)
  72 #include "linux.h"
  73 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  74 #include "freebsd.h"
  75 #elif defined(__OpenBSD__)
  76 #include "openbsd.h"
  77 #endif
  78
  79 #include <string.h>
  80 #include <ctype.h>
  81
  82 /* strip a leading /dev/ if any, following symlinks first
  83  *
  84  * BEWARE: this function returns a pointer to static content
  85  *         which gets overwritten in consecutive calls. I.e.:
  86  *         this function is NOT reentrant.
  87  */
  88 const char *dev_name(const char *path)
  89 {
  90         static char buf[255];   /* should be enough for pathnames */
  91         ssize_t buflen;
  92
  93         if (!path)
  94                 return NULL;
  95
  96 #define DEV_NAME(x) \
  97   x != NULL && strlen(x) > 5 && strncmp(x, "/dev/", 5) == 0 ? x + 5 : x
  98         if ((buflen = readlink(path, buf, 254)) == -1)
  99                 return DEV_NAME(path);
 100         buf[buflen] = '\0';
 101         return DEV_NAME(buf);
 102 #undef DEV_NAME
 103 }
 104
 105 static struct text_object *new_text_object_internal(void)
 106 {
 107         struct text_object *obj = malloc(sizeof(struct text_object));
 108         memset(obj, 0, sizeof(struct text_object));
 109         return obj;
 110 }
 111
 112 static struct text_object *create_plain_text(const char *s)
 113 {
 114         struct text_object *obj;
 115
 116         if (s == NULL || *s == '\0') {
 117                 return NULL;
 118         }
 119
 120         obj = new_text_object_internal();
 121
 122         obj->type = OBJ_text;
 123         obj->data.s = strndup(s, text_buffer_size);
 124         return obj;
 125 }
 126
 127 /* construct_text_object() creates a new text_object */
 128 struct text_object *construct_text_object(const char *s, const char *arg, long
 129                 line, void **ifblock_opaque, void *free_at_crash)
 130 {
 131         // struct text_object *obj = new_text_object();
 132         struct text_object *obj = new_text_object_internal();
 133
 134         obj->line = line;
 135
 136 /* helper defines for internal use only */
 137 #define __OBJ_HEAD(a, n) if (!strcmp(s, #a)) { \
 138         obj->type = OBJ_##a; add_update_callback(n);
 139 #define __OBJ_IF obj_be_ifblock_if(ifblock_opaque, obj)
 140 #define __OBJ_ARG(...) if (!arg) { CRIT_ERR(obj, free_at_crash, __VA_ARGS__); }
 141
 142 /* defines to be used below */
 143 #define OBJ(a, n) __OBJ_HEAD(a, n) {
 144 #define OBJ_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) {
 145 #define OBJ_IF(a, n) __OBJ_HEAD(a, n) __OBJ_IF; {
 146 #define OBJ_IF_ARG(a, n, ...) __OBJ_HEAD(a, n) __OBJ_ARG(__VA_ARGS__) __OBJ_IF; {
 147 #define END } } else
 148
 149 #ifdef X11
 150         if (s[0] == '#') {
 151                 obj->type = OBJ_color;
 152                 obj->data.l = get_x11_color(s);
 153         } else
 154 #endif /* X11 */
 155 #ifdef __OpenBSD__
 156         OBJ(freq, 0)
 157 #else
 158         OBJ(acpitemp, 0)
 159                 obj->data.i = open_acpi_temperature(arg);
 160         END OBJ(acpiacadapter, 0)
 161         END OBJ(freq, 0)
 162 #endif /* !__OpenBSD__ */
 163                 get_cpu_count();
 164                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 165                                 || atoi(&arg[0]) > info.cpu_count) {
 166                         obj->data.i = 1;
 167                         /* NORM_ERR("freq: Invalid CPU number or you don't have that many CPUs! "
 168                                 "Displaying the clock for CPU 1."); */
 169                 } else {
 170                         obj->data.i = atoi(&arg[0]);
 171                 }
 172         END OBJ(freq_g, 0)
 173                 get_cpu_count();
 174                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 175                                 || atoi(&arg[0]) > info.cpu_count) {
 176                         obj->data.i = 1;
 177                         /* NORM_ERR("freq_g: Invalid CPU number or you don't have that many "
 178                                 "CPUs! Displaying the clock for CPU 1."); */
 179                 } else {
 180                         obj->data.i = atoi(&arg[0]);
 181                 }
 182         END OBJ_ARG(read_tcp, 0, "read_tcp: Needs \"(host) port\" as argument(s)")
 183                 parse_read_tcp_arg(obj, arg, free_at_crash);
 184 #if defined(__linux__)
 185         END OBJ(voltage_mv, 0)
 186                 get_cpu_count();
 187                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 188                                 || atoi(&arg[0]) > info.cpu_count) {
 189                         obj->data.i = 1;
 190                         /* NORM_ERR("voltage_mv: Invalid CPU number or you don't have that many "
 191                                 "CPUs! Displaying voltage for CPU 1."); */
 192                 } else {
 193                         obj->data.i = atoi(&arg[0]);
 194                 }
 195         END OBJ(voltage_v, 0)
 196                 get_cpu_count();
 197                 if (!arg || !isdigit(arg[0]) || strlen(arg) >= 2 || atoi(&arg[0]) == 0
 198                                 || atoi(&arg[0]) > info.cpu_count) {
 199                         obj->data.i = 1;
 200                         /* NORM_ERR("voltage_v: Invalid CPU number or you don't have that many "
 201                                 "CPUs! Displaying voltage for CPU 1."); */
 202                 } else {
 203                         obj->data.i = atoi(&arg[0]);
 204                 }
 205
 206 #ifdef HAVE_IWLIB
 207         END OBJ(wireless_essid, &update_net_stats)
 208                 parse_net_stat_arg(obj, arg, free_at_crash);
 209         END OBJ(wireless_mode, &update_net_stats)
 210                 parse_net_stat_arg(obj, arg, free_at_crash);
 211         END OBJ(wireless_bitrate, &update_net_stats)
 212                 parse_net_stat_arg(obj, arg, free_at_crash);
 213         END OBJ(wireless_ap, &update_net_stats)
 214                 parse_net_stat_arg(obj, arg, free_at_crash);
 215         END OBJ(wireless_link_qual, &update_net_stats)
 216                 parse_net_stat_arg(obj, arg, free_at_crash);
 217         END OBJ(wireless_link_qual_max, &update_net_stats)
 218                 parse_net_stat_arg(obj, arg, free_at_crash);
 219         END OBJ(wireless_link_qual_perc, &update_net_stats)
 220                 parse_net_stat_arg(obj, arg, free_at_crash);
 221         END OBJ(wireless_link_bar, &update_net_stats)
 222                 parse_net_stat_bar_arg(obj, arg, free_at_crash);
 223 #endif /* HAVE_IWLIB */
 224
 225 #endif /* __linux__ */
 226
 227 #ifndef __OpenBSD__
 228         END OBJ(acpifan, 0)
 229         END OBJ(battery, 0)
 230                 char bat[64];
 231
 232                 if (arg) {
 233                         sscanf(arg, "%63s", bat);
 234                 } else {
 235                         strcpy(bat, "BAT0");
 236                 }
 237                 obj->data.s = strndup(bat, text_buffer_size);
 238         END OBJ(battery_short, 0)
 239                 char bat[64];
 240
 241                 if (arg) {
 242                         sscanf(arg, "%63s", bat);
 243                 } else {
 244                         strcpy(bat, "BAT0");
 245                 }
 246                 obj->data.s = strndup(bat, text_buffer_size);
 247         END OBJ(battery_time, 0)
 248                 char bat[64];
 249
 250                 if (arg) {
 251                         sscanf(arg, "%63s", bat);
 252                 } else {
 253                         strcpy(bat, "BAT0");
 254                 }
 255                 obj->data.s = strndup(bat, text_buffer_size);
 256         END OBJ(battery_percent, 0)
 257                 char bat[64];
 258
 259                 if (arg) {
 260                         sscanf(arg, "%63s", bat);
 261                 } else {
 262                         strcpy(bat, "BAT0");
 263                 }
 264                 obj->data.s = strndup(bat, text_buffer_size);
 265         END OBJ(battery_bar, 0)
 266                 char bat[64];
 267                 if (arg) {
 268                         arg = scan_bar(obj, arg);
 269                         sscanf(arg, "%63s", bat);
 270                 } else {
 271                         strcpy(bat, "BAT0");
 272                 }
 273                 obj->data.s = strndup(bat, text_buffer_size);
 274 #endif /* !__OpenBSD__ */
 275
 276 #if defined(__linux__)
 277         END OBJ_ARG(disk_protect, 0, "disk_protect needs an argument")
 278                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 279         END OBJ(i8k_version, &update_i8k)
 280         END OBJ(i8k_bios, &update_i8k)
 281         END OBJ(i8k_serial, &update_i8k)
 282         END OBJ(i8k_cpu_temp, &update_i8k)
 283         END OBJ(i8k_left_fan_status, &update_i8k)
 284         END OBJ(i8k_right_fan_status, &update_i8k)
 285         END OBJ(i8k_left_fan_rpm, &update_i8k)
 286         END OBJ(i8k_right_fan_rpm, &update_i8k)
 287         END OBJ(i8k_ac_status, &update_i8k)
 288         END OBJ(i8k_buttons_status, &update_i8k)
 289 #if defined(IBM)
 290         END OBJ(ibm_fan, 0)
 291         END OBJ_ARG(ibm_temps, &get_ibm_acpi_temps, "ibm_temps: needs an argument")
 292                 parse_ibm_temps_arg(obj, arg);
 293         END OBJ(ibm_volume, 0)
 294         END OBJ(ibm_brightness, 0)
 295 #endif
 296         /* information from sony_laptop kernel module
 297          * /sys/devices/platform/sony-laptop */
 298         END OBJ(sony_fanspeed, 0)
 299         END OBJ_IF(if_gw, &update_gateway_info)
 300         END OBJ_ARG(ioscheduler, 0, "get_ioscheduler needs an argument (e.g. hda)")
 301                 obj->data.s = strndup(dev_name(arg), text_buffer_size);
 302         END OBJ(laptop_mode, 0)
 303         END OBJ_ARG(pb_battery, 0, "pb_battery: needs one argument: status, percent or time")
 304                 if (strcmp(arg, "status") == EQUAL) {
 305                         obj->data.i = PB_BATT_STATUS;
 306                 } else if (strcmp(arg, "percent") == EQUAL) {
 307                         obj->data.i = PB_BATT_PERCENT;
 308                 } else if (strcmp(arg, "time") == EQUAL) {
 309                         obj->data.i = PB_BATT_TIME;
 310                 } else {
 311                         NORM_ERR("pb_battery: illegal argument '%s', defaulting to status", arg);
 312                         obj->data.i = PB_BATT_STATUS;
 313                 }
 314 #endif /* __linux__ */
 315 #if (defined(__FreeBSD__) || defined(__linux__))
 316         END OBJ_IF_ARG(if_up, 0, "if_up needs an argument")
 317                 parse_if_up_arg(obj, arg);
 318 #endif
 319 #if defined(__OpenBSD__)
 320         END OBJ_ARG(obsd_sensors_temp, 0, "obsd_sensors_temp: needs an argument")
 321                 parse_obsd_sensor(obj, arg);
 322         END OBJ_ARG(obsd_sensors_fan, 0, "obsd_sensors_fan: needs 2 arguments (device and sensor number)")
 323                 parse_obsd_sensor(obj, arg);
 324         END OBJ_ARG(obsd_sensors_volt, 0, "obsd_sensors_volt: needs 2 arguments (device and sensor number)")
 325                 parse_obsd_sensor(obj, arg);
 326         END OBJ(obsd_vendor, 0)
 327         END OBJ(obsd_product, 0)
 328 #endif /* __OpenBSD__ */
 329         END OBJ(buffers, &update_meminfo)
 330         END OBJ(cached, &update_meminfo)
 331 #define SCAN_CPU(__arg, __var) { \
 332         int __offset = 0; \
 333         if (__arg && sscanf(__arg, " cpu%d %n", &__var, &__offset) > 0) \
 334                 __arg += __offset; \
 335         else \
 336                 __var = 0; \
 337 }
 338         END OBJ(cpu, &update_cpu_usage)
 339                 SCAN_CPU(arg, obj->data.i);
 340                 DBGP2("Adding $cpu for CPU %d", obj->data.i);
 341 #ifdef X11
 342         END OBJ(cpugauge, &update_cpu_usage)
 343                 SCAN_CPU(arg, obj->data.i);
 344                 scan_gauge(obj, arg);
 345                 DBGP2("Adding $cpugauge for CPU %d", obj->data.i);
 346 #endif /* X11 */
 347         END OBJ(cpubar, &update_cpu_usage)
 348                 SCAN_CPU(arg, obj->data.i);
 349                 scan_bar(obj, arg);
 350                 DBGP2("Adding $cpubar for CPU %d", obj->data.i);
 351 #ifdef X11
 352         END OBJ(cpugraph, &update_cpu_usage)
 353                 char *buf = 0;
 354                 SCAN_CPU(arg, obj->data.i);
 355                 buf = scan_graph(obj, arg, 100);
 356                 DBGP2("Adding $cpugraph for CPU %d", obj->data.i);
 357                 if (buf) free(buf);
 358         END OBJ(loadgraph, &update_load_average)
 359                 scan_loadgraph_arg(obj, arg);
 360 #endif /* X11 */
 361         END OBJ(diskio, &update_diskio)
 362                 parse_diskio_arg(obj, arg);
 363         END OBJ(diskio_read, &update_diskio)
 364                 parse_diskio_arg(obj, arg);
 365         END OBJ(diskio_write, &update_diskio)
 366                 parse_diskio_arg(obj, arg);
 367 #ifdef X11
 368         END OBJ(diskiograph, &update_diskio)
 369                 parse_diskiograph_arg(obj, arg);
 370         END OBJ(diskiograph_read, &update_diskio)
 371                 parse_diskiograph_arg(obj, arg);
 372         END OBJ(diskiograph_write, &update_diskio)
 373                 parse_diskiograph_arg(obj, arg);
 374 #endif /* X11 */
 375         END OBJ(color, 0)
 376 #ifdef X11
 377                 if (output_methods & TO_X) {
 378                         obj->data.l = arg ? get_x11_color(arg) : default_fg_color;
 379                         set_current_text_color(obj->data.l);
 380                 }
 381 #endif /* X11 */
 382 #ifdef NCURSES
 383                 if (output_methods & TO_NCURSES) {
 384                         obj->data.l = COLOR_WHITE;
 385                         if(arg) {
 386                                 if(strcasecmp(arg, "red") == 0) {
 387                                         obj->data.l = COLOR_RED;
 388                                 }else if(strcasecmp(arg, "green") == 0) {
 389                                         obj->data.l = COLOR_GREEN;
 390                                 }else if(strcasecmp(arg, "yellow") == 0) {
 391                                         obj->data.l = COLOR_YELLOW;
 392                                 }else if(strcasecmp(arg, "blue") == 0) {
 393                                         obj->data.l = COLOR_BLUE;
 394                                 }else if(strcasecmp(arg, "magenta") == 0) {
 395                                         obj->data.l = COLOR_MAGENTA;
 396                                 }else if(strcasecmp(arg, "cyan") == 0) {
 397                                         obj->data.l = COLOR_CYAN;
 398                                 }else if(strcasecmp(arg, "black") == 0) {
 399                                         obj->data.l = COLOR_BLACK;
 400                                 }
 401                         }
 402                         set_current_text_color(obj->data.l);
 403                         init_pair(obj->data.l, obj->data.l, COLOR_BLACK);
 404                 }
 405 #endif /* NCURSES */
 406         END OBJ(color0, 0)
 407                 obj->data.l = color0;
 408                 set_current_text_color(obj->data.l);
 409         END OBJ(color1, 0)
 410                 obj->data.l = color1;
 411                 set_current_text_color(obj->data.l);
 412         END OBJ(color2, 0)
 413                 obj->data.l = color2;
 414                 set_current_text_color(obj->data.l);
 415         END OBJ(color3, 0)
 416                 obj->data.l = color3;
 417                 set_current_text_color(obj->data.l);
 418         END OBJ(color4, 0)
 419                 obj->data.l = color4;
 420                 set_current_text_color(obj->data.l);
 421         END OBJ(color5, 0)
 422                 obj->data.l = color5;
 423                 set_current_text_color(obj->data.l);
 424         END OBJ(color6, 0)
 425                 obj->data.l = color6;
 426                 set_current_text_color(obj->data.l);
 427         END OBJ(color7, 0)
 428                 obj->data.l = color7;
 429                 set_current_text_color(obj->data.l);
 430         END OBJ(color8, 0)
 431                 obj->data.l = color8;
 432                 set_current_text_color(obj->data.l);
 433         END OBJ(color9, 0)
 434                 obj->data.l = color9;
 435                 set_current_text_color(obj->data.l);
 436 #ifdef X11
 437         END OBJ(font, 0)
 438                 obj->data.s = scan_font(arg);
 439 #endif /* X11 */
 440         END OBJ(conky_version, 0)
 441         END OBJ(conky_build_date, 0)
 442         END OBJ(conky_build_arch, 0)
 443         END OBJ(downspeed, &update_net_stats)
 444                 parse_net_stat_arg(obj, arg, free_at_crash);
 445         END OBJ(downspeedf, &update_net_stats)
 446                 parse_net_stat_arg(obj, arg, free_at_crash);
 447 #ifdef X11
 448         END OBJ(downspeedgraph, &update_net_stats)
 449                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 450 #endif /* X11 */
 451         END OBJ(else, 0)
 452                 obj_be_ifblock_else(ifblock_opaque, obj);
 453         END OBJ(endif, 0)
 454                 obj_be_ifblock_endif(ifblock_opaque, obj);
 455         END OBJ(eval, 0)
 456                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 457 #if defined(IMLIB2) && defined(X11)
 458         END OBJ(image, 0)
 459                 obj->data.s = strndup(arg ? arg : "", text_buffer_size);
 460 #endif /* IMLIB2 */
 461         END OBJ(exec, 0)
 462                 scan_exec_arg(obj, arg);
 463         END OBJ(execp, 0)
 464                 scan_exec_arg(obj, arg);
 465         END OBJ(execbar, 0)
 466                 scan_exec_arg(obj, arg);
 467 #ifdef X11
 468         END OBJ(execgauge, 0)
 469                 scan_exec_arg(obj, arg);
 470         END OBJ(execgraph, 0)
 471                 scan_execgraph_arg(obj, arg);
 472 #endif /* X11 */
 473         END OBJ_ARG(execibar, 0, "execibar needs arguments")
 474                 scan_execi_arg(obj, arg);
 475 #ifdef X11
 476         END OBJ_ARG(execigraph, 0, "execigraph needs arguments")
 477                 scan_execgraph_arg(obj, arg);
 478         END OBJ_ARG(execigauge, 0, "execigauge needs arguments")
 479                 scan_execi_arg(obj, arg);
 480 #endif /* X11 */
 481         END OBJ_ARG(execi, 0, "execi needs arguments")
 482                 scan_execi_arg(obj, arg);
 483         END OBJ_ARG(execpi, 0, "execpi needs arguments")
 484                 scan_execi_arg(obj, arg);
 485         END OBJ_ARG(texeci, 0, "texeci needs arguments")
 486                 scan_execi_arg(obj, arg);
 487         END OBJ(pre_exec, 0)
 488                 scan_pre_exec_arg(obj, arg);
 489         END OBJ(fs_bar, &update_fs_stats)
 490                 init_fs_bar(obj, arg);
 491         END OBJ(fs_bar_free, &update_fs_stats)
 492                 init_fs_bar(obj, arg);
 493         END OBJ(fs_free, &update_fs_stats)
 494                 init_fs(obj, arg);
 495         END OBJ(fs_used_perc, &update_fs_stats)
 496                 init_fs(obj, arg);
 497         END OBJ(fs_free_perc, &update_fs_stats)
 498                 init_fs(obj, arg);
 499         END OBJ(fs_size, &update_fs_stats)
 500                 init_fs(obj, arg);
 501         END OBJ(fs_type, &update_fs_stats)
 502                 init_fs(obj, arg);
 503         END OBJ(fs_used, &update_fs_stats)
 504                 init_fs(obj, arg);
 505         END OBJ(hr, 0)
 506                 obj->data.i = arg ? atoi(arg) : 1;
 507         END OBJ(nameserver, &update_dns_data)
 508                 parse_nameserver_arg(obj, arg);
 509         END OBJ(offset, 0)
 510                 obj->data.i = arg ? atoi(arg) : 1;
 511         END OBJ(voffset, 0)
 512                 obj->data.i = arg ? atoi(arg) : 1;
 513         END OBJ_ARG(goto, 0, "goto needs arguments")
 514                 obj->data.i = atoi(arg);
 515 #ifdef X11
 516         END OBJ(tab, 0)
 517                 scan_tab(obj, arg);
 518 #endif /* X11 */
 519 #ifdef __linux__
 520         END OBJ_ARG(i2c, 0, "i2c needs arguments")
 521                 parse_i2c_sensor(obj, arg);
 522         END OBJ_ARG(platform, 0, "platform needs arguments")
 523                 parse_platform_sensor(obj, arg);
 524         END OBJ_ARG(hwmon, 0, "hwmon needs argumanets")
 525                 parse_hwmon_sensor(obj, arg);
 526 #endif /* __linux__ */
 527
 528         END
 529         /* we have four different types of top (top, top_mem, top_time and top_io). To
 530          * avoid having almost-same code four times, we have this special
 531          * handler. */
 532         if (strncmp(s, "top", 3) == EQUAL) {
 533                 add_update_callback(&update_meminfo);
 534                 add_update_callback(&update_top);
 535                 if (!parse_top_args(s, arg, obj)) {
 536                         return NULL;
 537                 }
 538         } else OBJ(addr, &update_net_stats)
 539                 parse_net_stat_arg(obj, arg, free_at_crash);
 540 #if defined(__linux__)
 541         END OBJ(addrs, &update_net_stats)
 542                 parse_net_stat_arg(obj, arg, free_at_crash);
 543 #endif /* __linux__ */
 544         END OBJ_ARG(tail, 0, "tail needs arguments")
 545                 init_tailhead("tail", arg, obj, free_at_crash);
 546         END OBJ_ARG(head, 0, "head needs arguments")
 547                 init_tailhead("head", arg, obj, free_at_crash);
 548         END OBJ_ARG(lines, 0, "lines needs an argument")
 549                 obj->data.s = strndup(arg, text_buffer_size);
 550         END OBJ_ARG(words, 0, "words needs a argument")
 551                 obj->data.s = strndup(arg, text_buffer_size);
 552         END OBJ(loadavg, &update_load_average)
 553                 scan_loadavg_arg(obj, arg);
 554         END OBJ_IF_ARG(if_empty, 0, "if_empty needs an argument")
 555                 obj->sub = malloc(sizeof(struct text_object));
 556                 extract_variable_text_internal(obj->sub, arg);
 557         END OBJ_IF_ARG(if_match, 0, "if_match needs arguments")
 558                 obj->sub = malloc(sizeof(struct text_object));
 559                 extract_variable_text_internal(obj->sub, arg);
 560         END OBJ_IF_ARG(if_existing, 0, "if_existing needs an argument or two")
 561                 obj->data.s = strndup(arg, text_buffer_size);
 562         END OBJ_IF_ARG(if_mounted, 0, "if_mounted needs an argument")
 563                 obj->data.s = strndup(arg, text_buffer_size);
 564 #ifdef __linux__
 565         END OBJ_IF_ARG(if_running, &update_top, "if_running needs an argument")
 566                 top_running = 1;
 567                 obj->data.s = strndup(arg, text_buffer_size);
 568 #else
 569         END OBJ_IF_ARG(if_running, 0, "if_running needs an argument")
 570                 char buf[256];
 571
 572                 snprintf(buf, 256, "pidof %s >/dev/null", arg);
 573                 obj->data.s = strndup(buf, text_buffer_size);
 574 #endif
 575         END OBJ(kernel, 0)
 576         END OBJ(machine, 0)
 577         END OBJ(mails, 0)
 578                 parse_local_mail_args(obj, arg);
 579         END OBJ(new_mails, 0)
 580                 parse_local_mail_args(obj, arg);
 581         END OBJ(seen_mails, 0)
 582                 parse_local_mail_args(obj, arg);
 583         END OBJ(unseen_mails, 0)
 584                 parse_local_mail_args(obj, arg);
 585         END OBJ(flagged_mails, 0)
 586                 parse_local_mail_args(obj, arg);
 587         END OBJ(unflagged_mails, 0)
 588                 parse_local_mail_args(obj, arg);
 589         END OBJ(forwarded_mails, 0)
 590                 parse_local_mail_args(obj, arg);
 591         END OBJ(unforwarded_mails, 0)
 592                 parse_local_mail_args(obj, arg);
 593         END OBJ(replied_mails, 0)
 594                 parse_local_mail_args(obj, arg);
 595         END OBJ(unreplied_mails, 0)
 596                 parse_local_mail_args(obj, arg);
 597         END OBJ(draft_mails, 0)
 598                 parse_local_mail_args(obj, arg);
 599         END OBJ(trashed_mails, 0)
 600                 parse_local_mail_args(obj, arg);
 601         END OBJ(mboxscan, 0)
 602                 parse_mboxscan_arg(obj, arg);
 603         END OBJ(mem, &update_meminfo)
 604         END OBJ(memeasyfree, &update_meminfo)
 605         END OBJ(memfree, &update_meminfo)
 606         END OBJ(memmax, &update_meminfo)
 607         END OBJ(memperc, &update_meminfo)
 608 #ifdef X11
 609         END OBJ(memgauge, &update_meminfo)
 610                 scan_gauge(obj, arg);
 611 #endif /* X11*/
 612         END OBJ(membar, &update_meminfo)
 613                 scan_bar(obj, arg);
 614 #ifdef X11
 615         END OBJ(memgraph, &update_meminfo)
 616                 char *buf = 0;
 617                 buf = scan_graph(obj, arg, 100);
 618
 619                 if (buf) free(buf);
 620 #endif /* X11*/
 621         END OBJ(mixer, 0)
 622                 parse_mixer_arg(obj, arg);
 623         END OBJ(mixerl, 0)
 624                 parse_mixer_arg(obj, arg);
 625         END OBJ(mixerr, 0)
 626                 parse_mixer_arg(obj, arg);
 627 #ifdef X11
 628         END OBJ(mixerbar, 0)
 629                 scan_mixer_bar(obj, arg);
 630         END OBJ(mixerlbar, 0)
 631                 scan_mixer_bar(obj, arg);
 632         END OBJ(mixerrbar, 0)
 633                 scan_mixer_bar(obj, arg);
 634 #endif
 635         END OBJ_IF(if_mixer_mute, 0)
 636                 parse_mixer_arg(obj, arg);
 637 #ifdef X11
 638         END OBJ(monitor, &update_x11info)
 639         END OBJ(monitor_number, &update_x11info)
 640         END OBJ(desktop, &update_x11info)
 641         END OBJ(desktop_number, &update_x11info)
 642         END OBJ(desktop_name, &update_x11info)
 643 #endif
 644         END OBJ(nodename, 0)
 645         END OBJ_ARG(cmdline_to_pid, 0, "cmdline_to_pid needs a command line as argument")
 646                 scan_cmdline_to_pid_arg(obj, arg, free_at_crash);
 647         END OBJ_ARG(pid_chroot, 0, "pid_chroot needs a pid as argument")
 648                 obj->sub = malloc(sizeof(struct text_object));
 649                 extract_variable_text_internal(obj->sub, arg);
 650         END OBJ_ARG(pid_cmdline, 0, "pid_cmdline needs a pid as argument")
 651                 obj->sub = malloc(sizeof(struct text_object));
 652                 extract_variable_text_internal(obj->sub, arg);
 653         END OBJ_ARG(pid_cwd, 0, "pid_cwd needs a pid as argument")
 654                 obj->sub = malloc(sizeof(struct text_object));
 655                 extract_variable_text_internal(obj->sub, arg);
 656         END OBJ_ARG(pid_environ, 0, "pid_environ needs arguments")
 657                 obj->sub = malloc(sizeof(struct text_object));
 658                 extract_variable_text_internal(obj->sub, arg);
 659         END OBJ_ARG(pid_environ_list, 0, "pid_environ_list needs a pid as argument")
 660                 obj->sub = malloc(sizeof(struct text_object));
 661                 extract_variable_text_internal(obj->sub, arg);
 662         END OBJ_ARG(pid_exe, 0, "pid_exe needs a pid as argument")
 663                 obj->sub = malloc(sizeof(struct text_object));
 664                 extract_variable_text_internal(obj->sub, arg);
 665         END OBJ_ARG(pid_openfiles, 0, "pid_openfiles needs a pid as argument")
 666                 obj->sub = malloc(sizeof(struct text_object));
 667                 extract_variable_text_internal(obj->sub, arg);
 668         END OBJ_ARG(pid_state, 0, "pid_state needs a pid as argument")
 669                 obj->sub = malloc(sizeof(struct text_object));
 670                 extract_variable_text_internal(obj->sub, arg);
 671         END OBJ_ARG(pid_state_short, 0, "pid_state_short needs a pid as argument")
 672                 obj->sub = malloc(sizeof(struct text_object));
 673                 extract_variable_text_internal(obj->sub, arg);
 674         END OBJ_ARG(pid_stderr, 0, "pid_stderr needs a pid as argument")
 675                 obj->sub = malloc(sizeof(struct text_object));
 676                 extract_variable_text_internal(obj->sub, arg);
 677         END OBJ_ARG(pid_stdin, 0, "pid_stdin needs a pid as argument")
 678                 obj->sub = malloc(sizeof(struct text_object));
 679                 extract_variable_text_internal(obj->sub, arg);
 680         END OBJ_ARG(pid_stdout, 0, "pid_stdout needs a pid as argument")
 681                 obj->sub = malloc(sizeof(struct text_object));
 682                 extract_variable_text_internal(obj->sub, arg);
 683         END OBJ(processes, &update_total_processes)
 684         END OBJ(running_processes, &update_running_processes)
 685         END OBJ(threads, &update_threads)
 686         END OBJ(shadecolor, 0)
 687 #ifdef X11
 688                 obj->data.l = arg ? get_x11_color(arg) : default_bg_color;
 689 #endif /* X11 */
 690         END OBJ(outlinecolor, 0)
 691 #ifdef X11
 692                 obj->data.l = arg ? get_x11_color(arg) : default_out_color;
 693 #endif /* X11 */
 694         END OBJ(stippled_hr, 0)
 695 #ifdef X11
 696                 scan_stippled_hr(obj, arg);
 697 #endif /* X11 */
 698         END OBJ(swap, &update_meminfo)
 699         END OBJ(swapfree, &update_meminfo)
 700         END OBJ(swapmax, &update_meminfo)
 701         END OBJ(swapperc, &update_meminfo)
 702         END OBJ(swapbar, &update_meminfo)
 703                 scan_bar(obj, arg);
 704         END OBJ(sysname, 0)
 705         END OBJ(time, 0)
 706                 scan_time(obj, arg);
 707         END OBJ(utime, 0)
 708                 scan_time(obj, arg);
 709         END OBJ(tztime, 0)
 710                 scan_tztime(obj, arg);
 711 #ifdef HAVE_ICONV
 712         END OBJ_ARG(iconv_start, 0, "Iconv requires arguments")
 713                 init_iconv_start(obj, free_at_crash, arg);
 714         END OBJ(iconv_stop, 0)
 715                 init_iconv_stop();
 716 #endif
 717         END OBJ(totaldown, &update_net_stats)
 718                 parse_net_stat_arg(obj, arg, free_at_crash);
 719         END OBJ(totalup, &update_net_stats)
 720                 parse_net_stat_arg(obj, arg, free_at_crash);
 721         END OBJ(updates, 0)
 722         END OBJ_IF(if_updatenr, 0)
 723                 obj->data.i = arg ? atoi(arg) : 0;
 724                 if(obj->data.i == 0) CRIT_ERR(obj, free_at_crash, "if_updatenr needs a number above 0 as argument");
 725                 set_updatereset(obj->data.i > get_updatereset() ? obj->data.i : get_updatereset());
 726         END OBJ(alignr, 0)
 727                 obj->data.i = arg ? atoi(arg) : 0;
 728         END OBJ(alignc, 0)
 729                 obj->data.i = arg ? atoi(arg) : 0;
 730         END OBJ(upspeed, &update_net_stats)
 731                 parse_net_stat_arg(obj, arg, free_at_crash);
 732         END OBJ(upspeedf, &update_net_stats)
 733                 parse_net_stat_arg(obj, arg, free_at_crash);
 734 #ifdef X11
 735         END OBJ(upspeedgraph, &update_net_stats)
 736                 parse_net_stat_graph_arg(obj, arg, free_at_crash);
 737 #endif
 738         END OBJ(uptime_short, &update_uptime)
 739         END OBJ(uptime, &update_uptime)
 740         END OBJ(user_names, &update_users)
 741         END OBJ(user_times, &update_users)
 742         END OBJ_ARG(user_time, 0, "user time needs a console name as argument")
 743                 obj->data.s = strndup(arg, text_buffer_size);
 744         END OBJ(user_terms, &update_users)
 745         END OBJ(user_number, &update_users)
 746 #if defined(__linux__)
 747         END OBJ(gw_iface, &update_gateway_info)
 748         END OBJ(gw_ip, &update_gateway_info)
 749 #endif /* !__linux__ */
 750 #if (defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
 751                 || defined(__OpenBSD__)) && (defined(i386) || defined(__i386__))
 752         END OBJ(apm_adapter, 0)
 753         END OBJ(apm_battery_life, 0)
 754         END OBJ(apm_battery_time, 0)
 755 #endif /* __FreeBSD__ */
 756         END OBJ(imap_unseen, 0)
 757                 parse_imap_mail_args(obj, arg);
 758         END OBJ(imap_messages, 0)
 759                 parse_imap_mail_args(obj, arg);
 760         END OBJ(pop3_unseen, 0)
 761                 parse_pop3_mail_args(obj, arg);
 762         END OBJ(pop3_used, 0)
 763                 parse_pop3_mail_args(obj, arg);
 764 #ifdef IBM
 765         END OBJ_ARG(smapi, 0, "smapi needs an argument")
 766                 obj->data.s = strndup(arg, text_buffer_size);
 767         END OBJ_IF_ARG(if_smapi_bat_installed, 0, "if_smapi_bat_installed needs an argument")
 768                 obj->data.s = strndup(arg, text_buffer_size);
 769         END OBJ_ARG(smapi_bat_perc, 0, "smapi_bat_perc needs an argument")
 770                 obj->data.s = strndup(arg, text_buffer_size);
 771         END OBJ_ARG(smapi_bat_temp, 0, "smapi_bat_temp needs an argument")
 772                 obj->data.s = strndup(arg, text_buffer_size);
 773         END OBJ_ARG(smapi_bat_power, 0, "smapi_bat_power needs an argument")
 774                 obj->data.s = strndup(arg, text_buffer_size);
 775 #ifdef X11
 776         END OBJ_ARG(smapi_bat_bar, 0, "smapi_bat_bar needs an argument")
 777                 int cnt;
 778                 if(sscanf(arg, "%i %n", &obj->data.i, &cnt) <= 0) {
 779                         NORM_ERR("first argument to smapi_bat_bar must be an integer value");
 780                         obj->data.i = -1;
 781                 } else
 782                         arg = scan_bar(obj, arg + cnt);
 783 #endif /* X11 */
 784 #endif /* IBM */
 785 #ifdef MPD
 786 #define mpd_set_maxlen(name) \
 787                 if (arg) { \
 788                         int i; \
 789                         sscanf(arg, "%d", &i); \
 790                         if (i > 0) \
 791                                 obj->data.i = i + 1; \
 792                         else \
 793                                 NORM_ERR(#name ": invalid length argument"); \
 794                 }
 795         END OBJ(mpd_artist, &update_mpd)
 796                 mpd_set_maxlen(mpd_artist);
 797                 init_mpd();
 798         END OBJ(mpd_title, &update_mpd)
 799                 mpd_set_maxlen(mpd_title);
 800                 init_mpd();
 801         END OBJ(mpd_random, &update_mpd) init_mpd();
 802         END OBJ(mpd_repeat, &update_mpd) init_mpd();
 803         END OBJ(mpd_elapsed, &update_mpd) init_mpd();
 804         END OBJ(mpd_length, &update_mpd) init_mpd();
 805         END OBJ(mpd_track, &update_mpd)
 806                 mpd_set_maxlen(mpd_track);
 807                 init_mpd();
 808         END OBJ(mpd_name, &update_mpd)
 809                 mpd_set_maxlen(mpd_name);
 810                 init_mpd();
 811         END OBJ(mpd_file, &update_mpd)
 812                 mpd_set_maxlen(mpd_file);
 813                 init_mpd();
 814         END OBJ(mpd_percent, &update_mpd) init_mpd();
 815         END OBJ(mpd_album, &update_mpd)
 816                 mpd_set_maxlen(mpd_album);
 817                 init_mpd();
 818         END OBJ(mpd_vol, &update_mpd) init_mpd();
 819         END OBJ(mpd_bitrate, &update_mpd) init_mpd();
 820         END OBJ(mpd_status, &update_mpd) init_mpd();
 821         END OBJ(mpd_bar, &update_mpd)
 822                 scan_bar(obj, arg);
 823                 init_mpd();
 824         END OBJ(mpd_smart, &update_mpd)
 825                 mpd_set_maxlen(mpd_smart);
 826                 init_mpd();
 827         END OBJ_IF(if_mpd_playing, &update_mpd)
 828                 init_mpd();
 829 #undef mpd_set_maxlen
 830 #endif /* MPD */
 831 #ifdef MOC
 832         END OBJ(moc_state, &update_moc)
 833         END OBJ(moc_file, &update_moc)
 834         END OBJ(moc_title, &update_moc)
 835         END OBJ(moc_artist, &update_moc)
 836         END OBJ(moc_song, &update_moc)
 837         END OBJ(moc_album, &update_moc)
 838         END OBJ(moc_totaltime, &update_moc)
 839         END OBJ(moc_timeleft, &update_moc)
 840         END OBJ(moc_curtime, &update_moc)
 841         END OBJ(moc_bitrate, &update_moc)
 842         END OBJ(moc_rate, &update_moc)
 843 #endif /* MOC */
 844 #ifdef XMMS2
 845         END OBJ(xmms2_artist, &update_xmms2)
 846         END OBJ(xmms2_album, &update_xmms2)
 847         END OBJ(xmms2_title, &update_xmms2)
 848         END OBJ(xmms2_genre, &update_xmms2)
 849         END OBJ(xmms2_comment, &update_xmms2)
 850         END OBJ(xmms2_url, &update_xmms2)
 851         END OBJ(xmms2_tracknr, &update_xmms2)
 852         END OBJ(xmms2_bitrate, &update_xmms2)
 853         END OBJ(xmms2_date, &update_xmms2)
 854         END OBJ(xmms2_id, &update_xmms2)
 855         END OBJ(xmms2_duration, &update_xmms2)
 856         END OBJ(xmms2_elapsed, &update_xmms2)
 857         END OBJ(xmms2_size, &update_xmms2)
 858         END OBJ(xmms2_status, &update_xmms2)
 859         END OBJ(xmms2_percent, &update_xmms2)
 860 #ifdef X11
 861         END OBJ(xmms2_bar, &update_xmms2)
 862                 scan_bar(obj, arg);
 863 #endif /* X11 */
 864         END OBJ(xmms2_smart, &update_xmms2)
 865         END OBJ(xmms2_playlist, &update_xmms2)
 866         END OBJ(xmms2_timesplayed, &update_xmms2)
 867         END OBJ_IF(if_xmms2_connected, &update_xmms2)
 868 #endif
 869 #ifdef AUDACIOUS
 870         END OBJ(audacious_status, &update_audacious)
 871         END OBJ_ARG(audacious_title, &update_audacious, "audacious_title needs an argument")
 872                 sscanf(arg, "%d", &info.audacious.max_title_len);
 873                 if (info.audacious.max_title_len > 0) {
 874                         info.audacious.max_title_len++;
 875                 } else {
 876                         CRIT_ERR(obj, free_at_crash, "audacious_title: invalid length argument");
 877                 }
 878         END OBJ(audacious_length, &update_audacious)
 879         END OBJ(audacious_length_seconds, &update_audacious)
 880         END OBJ(audacious_position, &update_audacious)
 881         END OBJ(audacious_position_seconds, &update_audacious)
 882         END OBJ(audacious_bitrate, &update_audacious)
 883         END OBJ(audacious_frequency, &update_audacious)
 884         END OBJ(audacious_channels, &update_audacious)
 885         END OBJ(audacious_filename, &update_audacious)
 886         END OBJ(audacious_playlist_length, &update_audacious)
 887         END OBJ(audacious_playlist_position, &update_audacious)
 888         END OBJ(audacious_main_volume, &update_audacious)
 889 #ifdef X11
 890         END OBJ(audacious_bar, &update_audacious)
 891                 scan_bar(obj, arg);
 892 #endif /* X11 */
 893 #endif
 894 #ifdef BMPX
 895         END OBJ(bmpx_title, &update_bmpx)
 896                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 897         END OBJ(bmpx_artist, &update_bmpx)
 898                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 899         END OBJ(bmpx_album, &update_bmpx)
 900                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 901         END OBJ(bmpx_track, &update_bmpx)
 902                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 903         END OBJ(bmpx_uri, &update_bmpx)
 904                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 905         END OBJ(bmpx_bitrate, &update_bmpx)
 906                 memset(&(info.bmpx), 0, sizeof(struct bmpx_s));
 907 #endif
 908 #ifdef EVE
 909         END OBJ_ARG(eve, 0, "eve needs arguments: <userid> <apikey> <characterid>")
 910                 scan_eve(obj, arg);
 911 #endif
 912 #ifdef HAVE_CURL
 913         END OBJ_ARG(curl, 0, "curl needs arguments: <uri> <interval in minutes>")
 914                 curl_parse_arg(obj, arg);
 915 #endif
 916 #ifdef RSS
 917         END OBJ_ARG(rss, 0, "rss needs arguments: <uri> <interval in minutes> <action> [act_par] [spaces in front]")
 918                 rss_scan_arg(obj, arg);
 919 #endif
 920 #ifdef WEATHER
 921         END OBJ_ARG(weather, 0, "weather needs arguments: <uri> <locID> <data_type> [interval in minutes]")
 922                 scan_weather_arg(obj, arg, free_at_crash);
 923 #endif
 924 #ifdef XOAP
 925         END OBJ_ARG(weather_forecast, 0, "weather_forecast needs arguments: <uri> <locID> <day> <data_type> [interval in minutes]")
 926                 scan_weather_forecast_arg(obj, arg, free_at_crash);
 927 #endif
 928 #ifdef HAVE_LUA
 929         END OBJ_ARG(lua, 0, "lua needs arguments: <function name> [function parameters]")
 930                 obj->data.s = strndup(arg, text_buffer_size);
 931         END OBJ_ARG(lua_parse, 0, "lua_parse needs arguments: <function name> [function parameters]")
 932                 obj->data.s = strndup(arg, text_buffer_size);
 933         END OBJ_ARG(lua_bar, 0, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]")
 934                 arg = scan_bar(obj, arg);
 935                 if(arg) {
 936                         obj->data.s = strndup(arg, text_buffer_size);
 937                 } else {
 938                         CRIT_ERR(obj, free_at_crash, "lua_bar needs arguments: <height>,<width> <function name> [function parameters]");
 939                 }
 940 #ifdef X11
 941         END OBJ_ARG(lua_graph, 0, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]")
 942                 char *buf = 0;
 943                 buf = scan_graph(obj, arg, 0);
 944                 if (buf) {
 945                         obj->data.s = buf;
 946                 } else {
 947                         CRIT_ERR(obj, free_at_crash, "lua_graph needs arguments: <function name> [height],[width] [gradient colour 1] [gradient colour 2] [scale] [-t] [-l]");
 948                 }
 949         END OBJ_ARG(lua_gauge, 0, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]")
 950                 arg = scan_gauge(obj, arg);
 951                 if (arg) {
 952                         obj->data.s = strndup(arg, text_buffer_size);
 953                 } else {
 954                         CRIT_ERR(obj, free_at_crash, "lua_gauge needs arguments: <height>,<width> <function name> [function parameters]");
 955                 }
 956 #endif /* X11 */
 957 #endif /* HAVE_LUA */
 958 #ifdef HDDTEMP
 959         END OBJ(hddtemp, &update_hddtemp)
 960                 if (arg)
 961                         obj->data.s = strndup(arg, text_buffer_size);
 962 #endif /* HDDTEMP */
 963 #ifdef TCP_PORT_MONITOR
 964         END OBJ_ARG(tcp_portmon, &tcp_portmon_update, "tcp_portmon: needs arguments")
 965                 tcp_portmon_init(obj, arg);
 966 #endif /* TCP_PORT_MONITOR */
 967         END OBJ(entropy_avail, &update_entropy)
 968         END OBJ(entropy_perc, &update_entropy)
 969         END OBJ(entropy_poolsize, &update_entropy)
 970         END OBJ(entropy_bar, &update_entropy)
 971                 scan_bar(obj, arg);
 972         END OBJ_ARG(include, 0, "include needs a argument")
 973                 struct conftree *leaf = conftree_add(currentconffile, arg);
 974                 if(leaf) {
 975                         if (load_config_file(arg) == TRUE) {
 976                                 obj->sub = malloc(sizeof(struct text_object));
 977                                 currentconffile = leaf;
 978                                 extract_variable_text_internal(obj->sub, get_global_text());
 979                                 currentconffile = leaf->back;
 980                         } else {
 981                                 NORM_ERR("Can't load configfile '%s'.", arg);
 982                         }
 983                 } else {
 984                         NORM_ERR("You are trying to load '%s' recursively, I'm only going to load it once to prevent an infinite loop.", arg);
 985                 }
 986         END OBJ_ARG(blink, 0, "blink needs a argument")
 987                 obj->sub = malloc(sizeof(struct text_object));
 988                 extract_variable_text_internal(obj->sub, arg);
 989         END OBJ_ARG(to_bytes, 0, "to_bytes needs a argument")
 990                 obj->sub = malloc(sizeof(struct text_object));
 991                 extract_variable_text_internal(obj->sub, arg);
 992         END OBJ(scroll, 0)
 993                 parse_scroll_arg(obj, arg, free_at_crash);
 994         END OBJ_ARG(combine, 0, "combine needs arguments: <text1> <text2>")
 995                 parse_combine_arg(obj, arg, free_at_crash);
 996 #ifdef NVIDIA
 997         END OBJ_ARG(nvidia, 0, "nvidia needs an argument")
 998                 if (set_nvidia_type(obj, arg)) {
 999                         CRIT_ERR(obj, free_at_crash, "nvidia: invalid argument"
1000                                  " specified: '%s'\n", arg);
1001                 }
1002 #endif /* NVIDIA */
1003 #ifdef APCUPSD
1004         END OBJ_ARG(apcupsd, &update_apcupsd, "apcupsd needs arguments: <host> <port>")
1005                 char host[64];
1006                 int port;
1007                 if (sscanf(arg, "%63s %d", host, &port) != 2) {
1008                         CRIT_ERR(obj, free_at_crash, "apcupsd needs arguments: <host> <port>");
1009                 } else {
1010                         info.apcupsd.port = htons(port);
1011                         strncpy(info.apcupsd.host, host, sizeof(info.apcupsd.host));
1012                 }
1013         END OBJ(apcupsd_name, &update_apcupsd)
1014         END OBJ(apcupsd_model, &update_apcupsd)
1015         END OBJ(apcupsd_upsmode, &update_apcupsd)
1016         END OBJ(apcupsd_cable, &update_apcupsd)
1017         END OBJ(apcupsd_status, &update_apcupsd)
1018         END OBJ(apcupsd_linev, &update_apcupsd)
1019         END OBJ(apcupsd_load, &update_apcupsd)
1020         END OBJ(apcupsd_loadbar, &update_apcupsd)
1021                 scan_bar(obj, arg);
1022 #ifdef X11
1023         END OBJ(apcupsd_loadgraph, &update_apcupsd)
1024                 char* buf = 0;
1025                 buf = scan_graph(obj, arg, 0);
1026                 if (buf) free(buf);
1027         END OBJ(apcupsd_loadgauge, &update_apcupsd)
1028                 scan_gauge(obj, arg);
1029 #endif /* X11 */
1030         END OBJ(apcupsd_charge, &update_apcupsd)
1031         END OBJ(apcupsd_timeleft, &update_apcupsd)
1032         END OBJ(apcupsd_temp, &update_apcupsd)
1033         END OBJ(apcupsd_lastxfer, &update_apcupsd)
1034 #endif /* APCUPSD */
1035         END {
1036                 char buf[256];
1037
1038                 NORM_ERR("unknown variable %s", s);
1039                 obj->type = OBJ_text;
1040                 snprintf(buf, 256, "${%s}", s);
1041                 obj->data.s = strndup(buf, text_buffer_size);
1042         }
1043 #undef OBJ
1044 #undef OBJ_IF
1045 #undef OBJ_ARG
1046 #undef OBJ_IF_ARG
1047 #undef __OBJ_HEAD
1048 #undef __OBJ_IF
1049 #undef __OBJ_ARG
1050 #undef END
1051
1052         return obj;
1053 }
1054
1055 /*
1056  * - assumes that *string is '#'
1057  * - removes the part from '#' to the end of line ('\n' or '\0')
1058  * - it removes the '\n'
1059  * - copies the last char into 'char *last' argument, which should be a pointer
1060  *   to a char rather than a string.
1061  */
1062 static size_t remove_comment(char *string, char *last)
1063 {
1064         char *end = string;
1065         while (*end != '\0' && *end != '\n') {
1066                 ++end;
1067         }
1068         if (last) *last = *end;
1069         if (*end == '\n') end++;
1070         strfold(string, end - string);
1071         return end - string;
1072 }
1073
1074 size_t remove_comments(char *string)
1075 {
1076         char *curplace;
1077         size_t folded = 0;
1078         for (curplace = string; *curplace != 0; curplace++) {
1079                 if (*curplace == '\\' && *(curplace + 1) == '#') {
1080                         // strcpy can't be used for overlapping strings
1081                         strfold(curplace, 1);
1082                         folded += 1;
1083                 } else if (*curplace == '#') {
1084                         folded += remove_comment(curplace, 0);
1085                 }
1086         }
1087         return folded;
1088 }
1089
1090 int extract_variable_text_internal(struct text_object *retval, const char *const_p)
1091 {
1092         struct text_object *obj;
1093         char *p, *s, *orig_p;
1094         long line;
1095         void *ifblock_opaque = NULL;
1096         char *tmp_p;
1097         char *arg = 0;
1098         size_t len = 0;
1099
1100         p = strndup(const_p, max_user_text - 1);
1101         while (text_contains_templates(p)) {
1102                 char *tmp;
1103                 tmp = find_and_replace_templates(p);
1104                 free(p);
1105                 p = tmp;
1106         }
1107         s = orig_p = p;
1108
1109         if (strcmp(p, const_p)) {
1110                 DBGP("replaced all templates in text: input is\n'%s'\noutput is\n'%s'", const_p, p);
1111         } else {
1112                 DBGP("no templates to replace");
1113         }
1114
1115         memset(retval, 0, sizeof(struct text_object));
1116
1117         line = global_text_lines;
1118
1119         while (*p) {
1120                 if (*p == '\n') {
1121                         line++;
1122                 }
1123                 if (*p == '$') {
1124                         *p = '\0';
1125                         obj = create_plain_text(s);
1126                         if (obj != NULL) {
1127                                 append_object(retval, obj);
1128                         }
1129                         *p = '$';
1130                         p++;
1131                         s = p;
1132
1133                         if (*p != '$') {
1134                                 char buf[256];
1135                                 const char *var;
1136
1137                                 /* variable is either $foo or ${foo} */
1138                                 if (*p == '{') {
1139                                         unsigned int brl = 1, brr = 0;
1140
1141                                         p++;
1142                                         s = p;
1143                                         while (*p && brl != brr) {
1144                                                 if (*p == '{') {
1145                                                         brl++;
1146                                                 }
1147                                                 if (*p == '}') {
1148                                                         brr++;
1149                                                 }
1150                                                 p++;
1151                                         }
1152                                         p--;
1153                                 } else {
1154                                         s = p;
1155                                         if (*p == '#') {
1156                                                 p++;
1157                                         }
1158                                         while (*p && (isalnum((int) *p) || *p == '_')) {
1159                                                 p++;
1160                                         }
1161                                 }
1162
1163                                 /* copy variable to buffer */
1164                                 len = (p - s > 255) ? 255 : (p - s);
1165                                 strncpy(buf, s, len);
1166                                 buf[len] = '\0';
1167
1168                                 if (*p == '}') {
1169                                         p++;
1170                                 }
1171                                 s = p;
1172
1173                                 /* search for variable in environment */
1174
1175                                 var = getenv(buf);
1176                                 if (var) {
1177                                         obj = create_plain_text(var);
1178                                         if (obj) {
1179                                                 append_object(retval, obj);
1180                                         }
1181                                         continue;
1182                                 }
1183
1184                                 /* if variable wasn't found in environment, use some special */
1185
1186                                 arg = 0;
1187
1188                                 /* split arg */
1189                                 if (strchr(buf, ' ')) {
1190                                         arg = strchr(buf, ' ');
1191                                         *arg = '\0';
1192                                         arg++;
1193                                         while (isspace((int) *arg)) {
1194                                                 arg++;
1195                                         }
1196                                         if (!*arg) {
1197                                                 arg = 0;
1198                                         }
1199                                 }
1200
1201                                 /* lowercase variable name */
1202                                 tmp_p = buf;
1203                                 while (*tmp_p) {
1204                                         *tmp_p = tolower(*tmp_p);
1205                                         tmp_p++;
1206                                 }
1207
1208                                 obj = construct_text_object(buf, arg,
1209                                                 line, &ifblock_opaque, orig_p);
1210                                 if (obj != NULL) {
1211                                         append_object(retval, obj);
1212                                 }
1213                                 continue;
1214                         } else {
1215                                 obj = create_plain_text("$");
1216                                 s = p + 1;
1217                                 if (obj != NULL) {
1218                                         append_object(retval, obj);
1219                                 }
1220                         }
1221                 } else if (*p == '\\' && *(p+1) == '#') {
1222                         strfold(p, 1);
1223                 } else if (*p == '#') {
1224                         char c;
1225                         if (remove_comment(p, &c) && p > orig_p && c == '\n') {
1226                                 /* if remove_comment removed a newline, we need to 'back up' with p */
1227                                 p--;
1228                         }
1229                 }
1230                 p++;
1231         }
1232         obj = create_plain_text(s);
1233         if (obj != NULL) {
1234                 append_object(retval, obj);
1235         }
1236
1237         if (!ifblock_stack_empty(&ifblock_opaque)) {
1238                 NORM_ERR("one or more $endif's are missing");
1239         }
1240
1241         free(orig_p);
1242         return 0;
1243 }
1244
1245 /*
1246  * Frees the list of text objects root points to.  When internal = 1, it won't
1247  * free global objects.
1248  */
1249 void free_text_objects(struct text_object *root, int internal)
1250 {
1251         struct text_object *obj;
1252
1253         if (!root->prev) {
1254                 return;
1255         }
1256
1257 #define data obj->data
1258         for (obj = root->prev; obj; obj = root->prev) {
1259                 root->prev = obj->prev;
1260                 switch (obj->type) {
1261 #ifndef __OpenBSD__
1262                         case OBJ_acpitemp:
1263                                 close(data.i);
1264                                 break;
1265 #endif /* !__OpenBSD__ */
1266 #ifdef __linux__
1267                         case OBJ_i2c:
1268                         case OBJ_platform:
1269                         case OBJ_hwmon:
1270                                 free_sysfs_sensor(obj);
1271                                 break;
1272 #endif /* __linux__ */
1273                         case OBJ_cmdline_to_pid:
1274                                 free(data.s);
1275                                 break;
1276                         case OBJ_pid_environ:
1277                         case OBJ_pid_chroot:
1278                         case OBJ_pid_cmdline:
1279                         case OBJ_pid_cwd:
1280                         case OBJ_pid_environ_list:
1281                         case OBJ_pid_exe:
1282                         case OBJ_pid_openfiles:
1283                         case OBJ_pid_state:
1284                         case OBJ_pid_state_short:
1285                         case OBJ_pid_stderr:
1286                         case OBJ_pid_stdin:
1287                         case OBJ_pid_stdout:
1288                                 if(obj->sub) {
1289                                         free_text_objects(obj->sub, 1);
1290                                         free(obj->sub);
1291                                 }
1292                                 break;
1293                         case OBJ_read_tcp:
1294                                 free_read_tcp(obj);
1295                                 break;
1296                         case OBJ_time:
1297                         case OBJ_utime:
1298                                 free_time(obj);
1299                                 break;
1300                         case OBJ_tztime:
1301                                 free_tztime(obj);
1302                                 break;
1303                         case OBJ_mboxscan:
1304                                 free_mboxscan(obj);
1305                                 break;
1306                         case OBJ_mails:
1307                         case OBJ_new_mails:
1308                         case OBJ_seen_mails:
1309                         case OBJ_unseen_mails:
1310                         case OBJ_flagged_mails:
1311                         case OBJ_unflagged_mails:
1312                         case OBJ_forwarded_mails:
1313                         case OBJ_unforwarded_mails:
1314                         case OBJ_replied_mails:
1315                         case OBJ_unreplied_mails:
1316                         case OBJ_draft_mails:
1317                         case OBJ_trashed_mails:
1318                                 free_local_mails(obj);
1319                                 break;
1320                         case OBJ_imap_unseen:
1321                         case OBJ_imap_messages:
1322                         case OBJ_pop3_unseen:
1323                         case OBJ_pop3_used:
1324                                 free_mail_obj(obj);
1325                                 break;
1326                         case OBJ_if_empty:
1327                         case OBJ_if_match:
1328                                 free_text_objects(obj->sub, 1);
1329                                 free(obj->sub);
1330                                 break;
1331                         case OBJ_if_existing:
1332                         case OBJ_if_mounted:
1333                         case OBJ_if_running:
1334                                 free(data.s);
1335                                 break;
1336                         case OBJ_head:
1337                         case OBJ_tail:
1338                                 free_tailhead(obj);
1339                                 break;
1340                         case OBJ_text:
1341                         case OBJ_font:
1342                         case OBJ_image:
1343                         case OBJ_eval:
1344                                 free(data.s);
1345                                 break;
1346                         case OBJ_exec:
1347                         case OBJ_execbar:
1348 #ifdef X11
1349                         case OBJ_execgauge:
1350                         case OBJ_execgraph:
1351 #endif
1352                         case OBJ_execp:
1353                                 free_exec(obj);
1354                                 break;
1355 #ifdef HAVE_ICONV
1356                         case OBJ_iconv_start:
1357                                 free_iconv();
1358                                 break;
1359 #endif
1360 #ifdef __linux__
1361                         case OBJ_disk_protect:
1362                                 free(data.s);
1363                                 break;
1364                         case OBJ_if_gw:
1365                         case OBJ_gw_iface:
1366                         case OBJ_gw_ip:
1367                                 free_gateway_info();
1368                                 break;
1369                         case OBJ_ioscheduler:
1370                                 if(data.s)
1371                                         free(data.s);
1372                                 break;
1373 #endif
1374 #if (defined(__FreeBSD__) || defined(__linux__))
1375                         case OBJ_if_up:
1376                                 free_if_up(obj);
1377                                 break;
1378 #endif
1379 #ifdef XMMS2
1380                         case OBJ_xmms2_artist:
1381                                 if (info.xmms2.artist) {
1382                                         free(info.xmms2.artist);
1383                                         info.xmms2.artist = 0;
1384                                 }
1385                                 break;
1386                         case OBJ_xmms2_album:
1387                                 if (info.xmms2.album) {
1388                                         free(info.xmms2.album);
1389                                         info.xmms2.album = 0;
1390                                 }
1391                                 break;
1392                         case OBJ_xmms2_title:
1393                                 if (info.xmms2.title) {
1394                                         free(info.xmms2.title);
1395                                         info.xmms2.title = 0;
1396                                 }
1397                                 break;
1398                         case OBJ_xmms2_genre:
1399                                 if (info.xmms2.genre) {
1400                                         free(info.xmms2.genre);
1401                                         info.xmms2.genre = 0;
1402                                 }
1403                                 break;
1404                         case OBJ_xmms2_comment:
1405                                 if (info.xmms2.comment) {
1406                                         free(info.xmms2.comment);
1407                                         info.xmms2.comment = 0;
1408                                 }
1409                                 break;
1410                         case OBJ_xmms2_url:
1411                                 if (info.xmms2.url) {
1412                                         free(info.xmms2.url);
1413                                         info.xmms2.url = 0;
1414                                 }
1415                                 break;
1416                         case OBJ_xmms2_date:
1417                                 if (info.xmms2.date) {
1418                                         free(info.xmms2.date);
1419                                         info.xmms2.date = 0;
1420                                 }
1421                                 break;
1422                         case OBJ_xmms2_status:
1423                                 if (info.xmms2.status) {
1424                                         free(info.xmms2.status);
1425                                         info.xmms2.status = 0;
1426                                 }
1427                                 break;
1428                         case OBJ_xmms2_playlist:
1429                                 if (info.xmms2.playlist) {
1430                                         free(info.xmms2.playlist);
1431                                         info.xmms2.playlist = 0;
1432                                 }
1433                                 break;
1434                         case OBJ_xmms2_smart:
1435                                 if (info.xmms2.artist) {
1436                                         free(info.xmms2.artist);
1437                                         info.xmms2.artist = 0;
1438                                 }
1439                                 if (info.xmms2.title) {
1440                                         free(info.xmms2.title);
1441                                         info.xmms2.title = 0;
1442                                 }
1443                                 if (info.xmms2.url) {
1444                                         free(info.xmms2.url);
1445                                         info.xmms2.url = 0;
1446                                 }
1447                                 break;
1448 #endif
1449 #ifdef BMPX
1450                         case OBJ_bmpx_title:
1451                         case OBJ_bmpx_artist:
1452                         case OBJ_bmpx_album:
1453                         case OBJ_bmpx_track:
1454                         case OBJ_bmpx_uri:
1455                         case OBJ_bmpx_bitrate:
1456                                 break;
1457 #endif
1458 #ifdef EVE
1459                         case OBJ_eve:
1460                                 free_eve(obj);
1461                                 break;
1462 #endif
1463 #ifdef HAVE_CURL
1464                         case OBJ_curl:
1465                                 curl_obj_free(obj);
1466                                 break;
1467 #endif
1468 #ifdef RSS
1469                         case OBJ_rss:
1470                                 rss_free_obj_info(obj);
1471                                 break;
1472 #endif
1473 #ifdef WEATHER
1474                         case OBJ_weather:
1475                                 free_weather(obj);
1476                                 break;
1477 #endif
1478 #ifdef XOAP
1479                         case OBJ_weather_forecast:
1480                                 free_weather(obj);
1481                                 break;
1482 #endif
1483 #ifdef HAVE_LUA
1484                         case OBJ_lua:
1485                         case OBJ_lua_parse:
1486                         case OBJ_lua_bar:
1487 #ifdef X11
1488                         case OBJ_lua_graph:
1489                         case OBJ_lua_gauge:
1490 #endif /* X11 */
1491                                 free(data.s);
1492                                 break;
1493 #endif /* HAVE_LUA */
1494                         case OBJ_pre_exec:
1495                                 break;
1496 #ifndef __OpenBSD__
1497                         case OBJ_battery:
1498                                 free(data.s);
1499                                 break;
1500                         case OBJ_battery_short:
1501                                 free(data.s);
1502                                 break;
1503                         case OBJ_battery_time:
1504                                 free(data.s);
1505                                 break;
1506 #endif /* !__OpenBSD__ */
1507                         case OBJ_execpi:
1508                         case OBJ_execi:
1509                         case OBJ_execibar:
1510                         case OBJ_texeci:
1511 #ifdef X11
1512                         case OBJ_execigraph:
1513                         case OBJ_execigauge:
1514 #endif /* X11 */
1515                                 free_execi(obj);
1516                                 break;
1517                         case OBJ_nameserver:
1518                                 free_dns_data();
1519                                 break;
1520                         case OBJ_top:
1521                         case OBJ_top_mem:
1522                         case OBJ_top_time:
1523 #ifdef IOSTATS
1524                         case OBJ_top_io:
1525 #endif
1526                                 free_top(obj, internal);
1527                                 break;
1528 #ifdef HDDTEMP
1529                         case OBJ_hddtemp:
1530                                 if (data.s) {
1531                                         free(data.s);
1532                                         data.s = NULL;
1533                                 }
1534                                 free_hddtemp();
1535                                 break;
1536 #endif /* HDDTEMP */
1537                         case OBJ_entropy_avail:
1538                         case OBJ_entropy_perc:
1539                         case OBJ_entropy_poolsize:
1540                         case OBJ_entropy_bar:
1541                                 break;
1542                         case OBJ_user_names:
1543                                 if (info.users.names) {
1544                                         free(info.users.names);
1545                                         info.users.names = 0;
1546                                 }
1547                                 break;
1548                         case OBJ_user_terms:
1549                                 if (info.users.terms) {
1550                                         free(info.users.terms);
1551                                         info.users.terms = 0;
1552                                 }
1553                                 break;
1554                         case OBJ_user_times:
1555                                 if (info.users.times) {
1556                                         free(info.users.times);
1557                                         info.users.times = 0;
1558                                 }
1559                                 break;
1560                         case OBJ_user_time:
1561                                 if (info.users.ctime) {
1562                                         free(info.users.ctime);
1563                                         info.users.ctime = 0;
1564                                 }
1565                                 if (data.s) {
1566                                         free(data.s);
1567                                 }
1568                                 break;
1569 #ifdef IBM
1570                         case OBJ_smapi:
1571                         case OBJ_smapi_bat_perc:
1572                         case OBJ_smapi_bat_temp:
1573                         case OBJ_smapi_bat_power:
1574                                 free(data.s);
1575                                 break;
1576                         case OBJ_if_smapi_bat_installed:
1577                                 free(data.s);
1578                                 break;
1579 #endif /* IBM */
1580 #ifdef NVIDIA
1581                         case OBJ_nvidia:
1582                                 free_nvidia(obj);
1583                                 break;
1584 #endif /* NVIDIA */
1585 #ifdef MPD
1586                         case OBJ_mpd_title:
1587                         case OBJ_mpd_artist:
1588                         case OBJ_mpd_album:
1589                         case OBJ_mpd_random:
1590                         case OBJ_mpd_repeat:
1591                         case OBJ_mpd_vol:
1592                         case OBJ_mpd_bitrate:
1593                         case OBJ_mpd_status:
1594                         case OBJ_mpd_bar:
1595                         case OBJ_mpd_elapsed:
1596                         case OBJ_mpd_length:
1597                         case OBJ_mpd_track:
1598                         case OBJ_mpd_name:
1599                         case OBJ_mpd_file:
1600                         case OBJ_mpd_percent:
1601                         case OBJ_mpd_smart:
1602                         case OBJ_if_mpd_playing:
1603                                 free_mpd();
1604                                 break;
1605 #endif /* MPD */
1606 #ifdef MOC
1607                         case OBJ_moc_state:
1608                         case OBJ_moc_file:
1609                         case OBJ_moc_title:
1610                         case OBJ_moc_artist:
1611                         case OBJ_moc_song:
1612                         case OBJ_moc_album:
1613                         case OBJ_moc_totaltime:
1614                         case OBJ_moc_timeleft:
1615                         case OBJ_moc_curtime:
1616                         case OBJ_moc_bitrate:
1617                         case OBJ_moc_rate:
1618                                 free_moc();
1619                                 break;
1620 #endif /* MOC */
1621                         case OBJ_include:
1622                         case OBJ_blink:
1623                         case OBJ_to_bytes:
1624                                 if(obj->sub) {
1625                                         free_text_objects(obj->sub, 1);
1626                                         free(obj->sub);
1627                                 }
1628                                 break;
1629                         case OBJ_scroll:
1630                                 free_scroll(obj);
1631                                 break;
1632                         case OBJ_combine:
1633                                 free_combine(obj);
1634                                 break;
1635 #ifdef APCUPSD
1636                         case OBJ_apcupsd:
1637                         case OBJ_apcupsd_name:
1638                         case OBJ_apcupsd_model:
1639                         case OBJ_apcupsd_upsmode:
1640                         case OBJ_apcupsd_cable:
1641                         case OBJ_apcupsd_status:
1642                         case OBJ_apcupsd_linev:
1643                         case OBJ_apcupsd_load:
1644                         case OBJ_apcupsd_loadbar:
1645 #ifdef X11
1646                         case OBJ_apcupsd_loadgraph:
1647                         case OBJ_apcupsd_loadgauge:
1648 #endif /* X11 */
1649                         case OBJ_apcupsd_charge:
1650                         case OBJ_apcupsd_timeleft:
1651                         case OBJ_apcupsd_temp:
1652                         case OBJ_apcupsd_lastxfer:
1653                                 break;
1654 #endif /* APCUPSD */
1655 #ifdef TCP_PORT_MONITOR
1656                         case OBJ_tcp_portmon:
1657                                 tcp_portmon_free(obj);
1658                                 break;
1659 #endif /* TCP_PORT_MONITOR */
1660 #ifdef X11
1661                         case OBJ_desktop:
1662                         case OBJ_desktop_number:
1663                         case OBJ_desktop_name:
1664                                 if(info.x11.desktop.name && !internal) {
1665                                   free(info.x11.desktop.name);
1666                                   info.x11.desktop.name = NULL;
1667                                 }
1668                                 if(info.x11.desktop.all_names && !internal) {
1669                                   free(info.x11.desktop.all_names);
1670                                   info.x11.desktop.all_names = NULL;
1671                                 }
1672                                 break;
1673 #endif /* X11 */
1674                 }
1675                 if(obj->special_data) free(obj->special_data);
1676                 free(obj);
1677         }
1678 #undef data
1679 }
1680