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