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