1 | /* Written by James Kretchmar, MIT |
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2 | * |
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3 | * Copyright 2001 Massachusetts Institute of Technology |
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4 | * |
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5 | * Permission to use, copy, modify, and distribute this software and |
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6 | * its documentation for any purpose and without fee is hereby |
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7 | * granted, provided that the above copyright notice and this |
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8 | * permission notice appear in all copies and in supporting |
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9 | * documentation. No representation is made about the suitability of |
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10 | * this software for any purpose. It is provided "as is" without |
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11 | * express or implied warranty. |
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12 | */ |
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13 | |
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14 | #include <stdio.h> |
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15 | #include <unistd.h> |
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16 | #include <stdlib.h> |
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17 | #include <string.h> |
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18 | #include <zephyr/zephyr.h> |
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19 | #include <com_err.h> |
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20 | #include <signal.h> |
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21 | #include <time.h> |
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22 | #include <sys/param.h> |
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23 | #include <sys/types.h> |
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24 | #include <sys/wait.h> |
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25 | #include <errno.h> |
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26 | #include "owl.h" |
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27 | |
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28 | static const char fileIdent[] = "$Id$"; |
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29 | |
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30 | int main(int argc, char **argv, char **env) { |
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31 | WINDOW *recwin, *sepwin, *typwin, *msgwin; |
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32 | owl_editwin *tw; |
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33 | owl_popwin *pw; |
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34 | int j, ret, initialsubs, debug, newzephyrs, argcsave, followlast; |
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35 | struct sigaction sigact; |
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36 | char *configfile, *tty, *perlout; |
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37 | char buff[LINE], startupmsg[LINE]; |
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38 | char **argvsave; |
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39 | owl_filter *f; |
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40 | time_t nexttime; |
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41 | int nexttimediff; |
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42 | |
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43 | argcsave=argc; |
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44 | argvsave=argv; |
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45 | configfile=NULL; |
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46 | tty=NULL; |
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47 | debug=0; |
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48 | if (argc>0) { |
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49 | argv++; |
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50 | argc--; |
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51 | } |
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52 | while (argc>0) { |
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53 | if (!strcmp(argv[0], "-n")) { |
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54 | initialsubs=0; |
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55 | argv++; |
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56 | argc--; |
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57 | } else if (!strcmp(argv[0], "-c")) { |
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58 | if (argc<2) { |
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59 | fprintf(stderr, "Too few arguments to -c\n"); |
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60 | usage(); |
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61 | exit(1); |
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62 | } |
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63 | configfile=argv[1]; |
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64 | argv+=2; |
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65 | argc-=2; |
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66 | } else if (!strcmp(argv[0], "-t")) { |
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67 | if (argc<2) { |
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68 | fprintf(stderr, "Too few arguments to -t\n"); |
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69 | usage(); |
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70 | exit(1); |
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71 | } |
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72 | tty=argv[1]; |
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73 | argv+=2; |
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74 | argc-=2; |
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75 | } else if (!strcmp(argv[0], "-d")) { |
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76 | debug=1; |
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77 | argv++; |
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78 | argc--; |
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79 | } else if (!strcmp(argv[0], "-v")) { |
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80 | printf("This is owl version %s\n", OWL_VERSION_STRING); |
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81 | exit(0); |
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82 | } else { |
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83 | fprintf(stderr, "Uknown argument\n"); |
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84 | usage(); |
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85 | exit(1); |
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86 | } |
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87 | } |
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88 | |
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89 | /* zephyr init */ |
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90 | if ((ret = ZInitialize()) != ZERR_NONE) { |
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91 | com_err("owl",ret,"while initializing"); |
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92 | exit(1); |
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93 | } |
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94 | if ((ret = ZOpenPort(NULL)) != ZERR_NONE) { |
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95 | com_err("owl",ret,"while opening port"); |
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96 | exit(1); |
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97 | } |
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98 | |
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99 | /* signal handler */ |
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100 | sigact.sa_handler=sig_handler; |
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101 | sigemptyset(&sigact.sa_mask); |
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102 | sigact.sa_flags=0; |
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103 | sigaction(SIGWINCH, &sigact, NULL); |
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104 | sigaction(SIGALRM, &sigact, NULL); |
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105 | |
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106 | /* screen init */ |
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107 | sprintf(buff, "TERMINFO=%s", TERMINFO); |
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108 | putenv(buff); |
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109 | initscr(); |
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110 | start_color(); |
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111 | use_default_colors(); |
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112 | raw(); |
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113 | noecho(); |
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114 | |
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115 | /* define simple color pairs */ |
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116 | if (has_colors() && COLOR_PAIRS>=8) { |
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117 | init_pair(OWL_COLOR_BLACK, COLOR_BLACK, -1); |
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118 | init_pair(OWL_COLOR_RED, COLOR_RED, -1); |
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119 | init_pair(OWL_COLOR_GREEN, COLOR_GREEN, -1); |
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120 | init_pair(OWL_COLOR_YELLOW, COLOR_YELLOW, -1); |
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121 | init_pair(OWL_COLOR_BLUE, COLOR_BLUE, -1); |
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122 | init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, -1); |
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123 | init_pair(OWL_COLOR_CYAN, COLOR_CYAN, -1); |
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124 | init_pair(OWL_COLOR_WHITE, COLOR_WHITE, -1); |
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125 | } |
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126 | |
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127 | /* owl init */ |
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128 | owl_global_init(&g); |
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129 | if (debug) owl_global_set_debug_on(&g); |
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130 | owl_global_set_startupargs(&g, argcsave, argvsave); |
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131 | owl_context_set_readconfig(owl_global_get_context(&g)); |
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132 | |
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133 | if (tty) { |
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134 | owl_global_set_tty(&g, tty); |
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135 | } else { |
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136 | owl_global_set_tty(&g, owl_util_get_default_tty()); |
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137 | } |
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138 | |
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139 | /* setup the default filters */ |
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140 | f=malloc(sizeof(owl_filter)); |
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141 | owl_filter_init_fromstring(f, "personal", "class ^message$ and instance ^personal$ and ( recipient ^%me%$ or sender ^%me%$ )"); /* fix to use admintype */ |
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142 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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143 | |
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144 | f=malloc(sizeof(owl_filter)); |
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145 | owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or class ^login$"); |
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146 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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147 | |
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148 | f=malloc(sizeof(owl_filter)); |
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149 | owl_filter_init_fromstring(f, "ping", "opcode ^ping$"); |
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150 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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151 | |
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152 | f=malloc(sizeof(owl_filter)); |
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153 | owl_filter_init_fromstring(f, "auto", "opcode ^auto$"); |
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154 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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155 | |
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156 | f=malloc(sizeof(owl_filter)); |
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157 | owl_filter_init_fromstring(f, "login", "class ^login$"); |
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158 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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159 | |
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160 | f=malloc(sizeof(owl_filter)); |
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161 | owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$"); |
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162 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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163 | |
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164 | f=malloc(sizeof(owl_filter)); |
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165 | owl_filter_init_fromstring(f, "out", "direction ^out$"); |
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166 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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167 | |
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168 | f=malloc(sizeof(owl_filter)); |
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169 | owl_filter_init_fromstring(f, "all", "class .*"); |
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170 | owl_list_append_element(owl_global_get_filterlist(&g), f); |
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171 | |
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172 | /* set the current view */ |
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173 | owl_view_create(owl_global_get_current_view(&g), f); |
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174 | |
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175 | /* read the config file */ |
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176 | ret=owl_readconfig(configfile); |
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177 | if (ret) { |
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178 | endwin(); |
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179 | printf("\nError parsing configfile\n"); |
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180 | exit(1); |
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181 | } |
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182 | perlout = owl_config_execute("owl::startup();"); |
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183 | if (perlout) owl_free(perlout); |
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184 | owl_function_debugmsg("-- Owl Startup --"); |
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185 | |
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186 | /* hold on to the window names for convenience */ |
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187 | msgwin=owl_global_get_curs_msgwin(&g); |
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188 | recwin=owl_global_get_curs_recwin(&g); |
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189 | sepwin=owl_global_get_curs_sepwin(&g); |
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190 | typwin=owl_global_get_curs_typwin(&g); |
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191 | |
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192 | tw=owl_global_get_typwin(&g); |
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193 | |
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194 | wrefresh(sepwin); |
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195 | |
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196 | /* load zephyr subs */ |
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197 | ret=owl_zephyr_loadsubs(NULL); |
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198 | if (ret!=-1) { |
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199 | owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES); |
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200 | } |
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201 | |
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202 | /* load login subs */ |
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203 | if (owl_global_is_loginsubs(&g)) { |
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204 | loadloginsubs(NULL); |
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205 | } |
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206 | |
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207 | /* zlog in if we need to */ |
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208 | if (owl_global_is_startuplogin(&g)) { |
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209 | owl_function_zlog_in(); |
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210 | } |
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211 | |
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212 | /* welcome message */ |
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213 | strcpy(startupmsg, "-------------------------------------------------------------------------\n"); |
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214 | sprintf(buff, "Welcome to owl version %s. Press 'h' for on line help. \n", OWL_VERSION_STRING); |
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215 | strcat(startupmsg, buff); |
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216 | strcat(startupmsg, " \n"); |
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217 | strcat(startupmsg, "If you would like to receive release announcments about owl you can join \n"); |
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218 | strcat(startupmsg, "the owl-users@mit.edu mailing list. MIT users can add themselves, \n"); |
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219 | strcat(startupmsg, "otherwise send a request to owner-owl-users@mit.edu. ^ ^ \n"); |
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220 | strcat(startupmsg, " OvO \n"); |
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221 | strcat(startupmsg, "Please report any bugs or suggestions to bug-owl@mit.edu ( ) \n"); |
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222 | strcat(startupmsg, "-------------------------------------------------------------------m-m---\n"); |
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223 | |
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224 | owl_function_adminmsg("", startupmsg); |
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225 | sepbar(NULL); |
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226 | |
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227 | owl_context_set_interactive(owl_global_get_context(&g)); |
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228 | |
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229 | nexttimediff=20; |
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230 | nexttime=time(NULL); |
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231 | |
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232 | /* main loop */ |
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233 | while (1) { |
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234 | |
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235 | /* if a resize has been scheduled, deal with it */ |
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236 | owl_global_resize(&g, 0, 0); |
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237 | |
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238 | /* these are here in case a resize changes the windows */ |
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239 | msgwin=owl_global_get_curs_msgwin(&g); |
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240 | recwin=owl_global_get_curs_recwin(&g); |
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241 | sepwin=owl_global_get_curs_sepwin(&g); |
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242 | typwin=owl_global_get_curs_typwin(&g); |
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243 | |
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244 | followlast=owl_global_should_followlast(&g); |
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245 | |
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246 | /* little hack */ |
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247 | if (0 && owl_global_get_runtime(&g)<300) { |
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248 | if (time(NULL)>nexttime) { |
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249 | if (nexttimediff==1) { |
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250 | nexttimediff=20; |
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251 | } else { |
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252 | nexttimediff=1; |
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253 | } |
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254 | nexttime+=nexttimediff; |
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255 | owl_hack_animate(); |
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256 | } |
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257 | } |
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258 | |
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259 | /* grab incoming zephyrs */ |
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260 | newzephyrs=0; |
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261 | while(ZPending()) { |
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262 | ZNotice_t notice; |
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263 | struct sockaddr_in from; |
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264 | owl_message *m; |
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265 | |
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266 | ZReceiveNotice(¬ice, &from); |
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267 | |
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268 | /* is this an ack from a zephyr we sent? */ |
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269 | if (owl_zephyr_notice_is_ack(¬ice)) { |
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270 | owl_zephyr_handle_ack(¬ice); |
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271 | continue; |
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272 | } |
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273 | |
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274 | /* if it's a ping and we're not viewing pings then skip it */ |
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275 | if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) { |
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276 | continue; |
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277 | } |
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278 | |
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279 | /* create the new message */ |
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280 | m=owl_malloc(sizeof(owl_message)); |
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281 | owl_message_create_from_zephyr(m, ¬ice); |
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282 | |
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283 | /* if it's on the puntlist then, nuke it and continue */ |
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284 | if (owl_global_message_is_puntable(&g, m)) { |
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285 | owl_message_free(m); |
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286 | continue; |
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287 | } |
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288 | |
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289 | /* otherwise add it to the global list */ |
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290 | owl_messagelist_append_element(owl_global_get_msglist(&g), m); |
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291 | newzephyrs=1; |
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292 | |
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293 | /* let the config know the new message has been received */ |
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294 | owl_config_getmsg(m, 0); |
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295 | |
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296 | /* add it to any necessary views; right now there's only the current view */ |
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297 | owl_view_consider_message(owl_global_get_current_view(&g), m); |
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298 | |
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299 | /* do we need to autoreply? */ |
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300 | if (owl_global_is_zaway(&g)) { |
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301 | owl_zephyr_zaway(m); |
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302 | } |
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303 | |
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304 | /* ring the bell if it's a personal */ |
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305 | if (owl_global_is_personalbell(&g) && owl_message_is_personal(m)) { |
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306 | owl_function_beep(); |
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307 | owl_global_set_needrefresh(&g); |
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308 | } |
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309 | |
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310 | /* check for burning ears message */ |
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311 | /* this is an unsupported feature */ |
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312 | if (owl_global_is_burningears(&g) && owl_message_is_burningears(m)) { |
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313 | char *buff; |
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314 | buff = owl_sprintf("@i(Burning ears message on class %s)", owl_message_get_class(m)); |
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315 | /* owl_function_makemsg(buff); */ |
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316 | owl_function_adminmsg(buff, ""); |
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317 | owl_free(buff); |
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318 | owl_function_beep(); |
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319 | } |
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320 | |
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321 | /* log the zephyr if we need to */ |
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322 | if (owl_global_is_logging(&g) || owl_global_is_classlogging(&g)) { |
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323 | owl_log_incoming(m); |
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324 | } |
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325 | } |
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326 | |
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327 | /* follow the last message if we're supposed to */ |
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328 | if (newzephyrs && followlast) { |
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329 | owl_function_lastmsg_noredisplay(); |
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330 | } |
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331 | |
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332 | /* check if newmsgproc is active, if not but the option is on, |
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333 | make it active */ |
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334 | if (newzephyrs) { |
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335 | if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) { |
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336 | /* if there's a process out there, we need to check on it */ |
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337 | if (owl_global_get_newmsgproc_pid(&g)) { |
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338 | owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g)); |
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339 | owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)); |
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340 | waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG); |
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341 | if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) { |
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342 | /* it exited */ |
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343 | owl_global_set_newmsgproc_pid(&g, 0); |
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344 | owl_function_debugmsg("newmsgproc exited"); |
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345 | } else { |
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346 | owl_function_debugmsg("newmsgproc did not exit"); |
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347 | } |
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348 | } |
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349 | |
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350 | /* if it exited, fork & exec a new one */ |
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351 | if (owl_global_get_newmsgproc_pid(&g)==0) { |
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352 | int i, myargc; |
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353 | i=fork(); |
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354 | if (i) { |
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355 | /* parent set the child's pid */ |
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356 | owl_global_set_newmsgproc_pid(&g, i); |
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357 | waitpid(i, NULL, WNOHANG); |
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358 | owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i); |
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359 | } else { |
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360 | /* child exec's the program */ |
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361 | char **parsed; |
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362 | parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc); |
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363 | parsed=realloc(parsed, strlen(owl_global_get_newmsgproc(&g)+300)); |
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364 | parsed[myargc]=(char *) NULL; |
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365 | |
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366 | owl_function_debugmsg("About to exec: %s with %i arguments", parsed[0], myargc); |
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367 | |
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368 | execvp(parsed[0], (char **) parsed); |
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369 | |
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370 | |
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371 | /* was there an error exec'ing? */ |
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372 | owl_function_debugmsg("Error execing: %s", strerror(errno)); |
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373 | _exit(127); |
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374 | } |
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375 | } |
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376 | } |
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377 | } |
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378 | |
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379 | /* redisplay if necessary */ |
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380 | if (newzephyrs) { |
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381 | owl_mainwin_redisplay(owl_global_get_mainwin(&g)); |
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382 | sepbar(NULL); |
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383 | if (owl_popwin_is_active(owl_global_get_popwin(&g))) { |
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384 | owl_popwin_refresh(owl_global_get_popwin(&g)); |
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385 | /* TODO: this is a broken kludge */ |
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386 | if (owl_global_get_viewwin(&g)) { |
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387 | owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0); |
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388 | } |
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389 | } |
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390 | owl_global_set_needrefresh(&g); |
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391 | } |
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392 | |
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393 | /* if a popwin just came up, refresh it */ |
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394 | pw=owl_global_get_popwin(&g); |
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395 | if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) { |
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396 | owl_popwin_refresh(pw); |
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397 | owl_popwin_no_needs_first_refresh(pw); |
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398 | owl_global_set_needrefresh(&g); |
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399 | /* TODO: this is a broken kludge */ |
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400 | if (owl_global_get_viewwin(&g)) { |
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401 | owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0); |
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402 | } |
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403 | } |
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404 | |
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405 | /* update the terminal if we need to */ |
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406 | if (owl_global_is_needrefresh(&g)) { |
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407 | /* leave the cursor in the appropriate window */ |
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408 | if (owl_global_is_typwin_active(&g)) { |
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409 | owl_function_set_cursor(typwin); |
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410 | } else { |
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411 | owl_function_set_cursor(sepwin); |
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412 | } |
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413 | doupdate(); |
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414 | owl_global_set_noneedrefresh(&g); |
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415 | } |
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416 | |
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417 | /* handle all keypresses */ |
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418 | j=wgetch(typwin); |
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419 | if (j==ERR) { |
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420 | usleep(10); |
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421 | continue; |
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422 | } |
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423 | /* find and activate the current keymap. |
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424 | * TODO: this should really get fixed by activating |
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425 | * keymaps as we switch between windows... |
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426 | */ |
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427 | if (pw && owl_popwin_is_active(pw) && owl_global_get_viewwin(&g)) { |
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428 | owl_context_set_popless(owl_global_get_context(&g), |
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429 | owl_global_get_viewwin(&g)); |
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430 | owl_function_activate_keymap("popless"); |
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431 | } else if (owl_global_is_typwin_active(&g) |
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432 | && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_ONELINE) { |
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433 | owl_context_set_editline(owl_global_get_context(&g), tw); |
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434 | owl_function_activate_keymap("editline"); |
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435 | } else if (owl_global_is_typwin_active(&g) |
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436 | && owl_editwin_get_style(tw)==OWL_EDITWIN_STYLE_MULTILINE) { |
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437 | owl_context_set_editmulti(owl_global_get_context(&g), tw); |
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438 | owl_function_activate_keymap("editmulti"); |
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439 | } else { |
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440 | owl_context_set_recv(owl_global_get_context(&g)); |
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441 | owl_function_activate_keymap("recv"); |
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442 | } |
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443 | /* now actually handle the keypress */ |
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444 | ret = owl_keyhandler_process(owl_global_get_keyhandler(&g), j); |
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445 | if (ret!=0 && ret!=1) { |
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446 | owl_function_makemsg("Unable to handle keypress"); |
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447 | } |
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448 | } |
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449 | |
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450 | } |
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451 | |
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452 | void sig_handler(int sig) { |
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453 | if (sig==SIGWINCH) { |
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454 | /* we can't inturrupt a malloc here, so it just sets a flag */ |
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455 | owl_function_resize(); |
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456 | } |
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457 | } |
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458 | |
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459 | void usage() { |
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460 | fprintf(stderr, "Usage: owl [-n] [-d] [-v] [-c <configfile>] [-t <ttyname>]\n"); |
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461 | } |
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