1 | #include <string.h> |
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2 | #include <pwd.h> |
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3 | #include <sys/types.h> |
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4 | #include <unistd.h> |
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5 | #include "owl.h" |
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6 | |
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7 | CALLER_OWN owl_zwrite *owl_zwrite_new(const char *line) |
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8 | { |
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9 | owl_zwrite *z = g_new(owl_zwrite, 1); |
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10 | if (owl_zwrite_create_from_line(z, line) < 0) { |
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11 | owl_zwrite_delete(z); |
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12 | return NULL; |
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13 | } |
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14 | return z; |
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15 | } |
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16 | |
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17 | G_GNUC_WARN_UNUSED_RESULT int owl_zwrite_create_from_line(owl_zwrite *z, const char *line) |
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18 | { |
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19 | int argc, badargs, myargc; |
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20 | char **argv; |
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21 | const char *const *myargv; |
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22 | char *msg = NULL; |
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23 | |
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24 | badargs=0; |
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25 | |
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26 | /* start with null entries */ |
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27 | z->cmd=NULL; |
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28 | z->realm=NULL; |
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29 | z->class=NULL; |
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30 | z->inst=NULL; |
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31 | z->opcode=NULL; |
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32 | z->zsig=NULL; |
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33 | z->message=NULL; |
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34 | z->cc=0; |
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35 | z->noping=0; |
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36 | z->recips = g_ptr_array_new(); |
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37 | z->zwriteline = g_strdup(line); |
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38 | |
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39 | /* parse the command line for options */ |
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40 | argv=owl_parseline(line, &argc); |
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41 | myargv=strs(argv); |
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42 | if (argc<0) { |
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43 | owl_function_error("Unbalanced quotes in zwrite"); |
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44 | return(-1); |
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45 | } |
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46 | myargc=argc; |
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47 | if (myargc && *(myargv[0])!='-') { |
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48 | z->cmd=g_strdup(myargv[0]); |
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49 | myargc--; |
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50 | myargv++; |
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51 | } |
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52 | while (myargc) { |
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53 | if (!strcmp(myargv[0], "-c")) { |
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54 | if (myargc<2) { |
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55 | badargs=1; |
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56 | break; |
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57 | } |
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58 | z->class=owl_validate_utf8(myargv[1]); |
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59 | myargv+=2; |
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60 | myargc-=2; |
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61 | } else if (!strcmp(myargv[0], "-i")) { |
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62 | if (myargc<2) { |
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63 | badargs=1; |
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64 | break; |
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65 | } |
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66 | z->inst=owl_validate_utf8(myargv[1]); |
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67 | myargv+=2; |
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68 | myargc-=2; |
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69 | } else if (!strcmp(myargv[0], "-r")) { |
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70 | if (myargc<2) { |
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71 | badargs=1; |
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72 | break; |
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73 | } |
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74 | z->realm=owl_validate_utf8(myargv[1]); |
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75 | myargv+=2; |
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76 | myargc-=2; |
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77 | } else if (!strcmp(myargv[0], "-s")) { |
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78 | if (myargc<2) { |
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79 | badargs=1; |
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80 | break; |
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81 | } |
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82 | z->zsig=owl_validate_utf8(myargv[1]); |
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83 | myargv+=2; |
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84 | myargc-=2; |
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85 | } else if (!strcmp(myargv[0], "-O")) { |
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86 | if (myargc<2) { |
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87 | badargs=1; |
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88 | break; |
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89 | } |
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90 | z->opcode=owl_validate_utf8(myargv[1]); |
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91 | myargv+=2; |
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92 | myargc-=2; |
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93 | } else if (!strcmp(myargv[0], "-m")) { |
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94 | if (myargc<2) { |
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95 | badargs=1; |
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96 | break; |
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97 | } |
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98 | /* we must already have users or a class or an instance */ |
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99 | if (z->recips->len < 1 && (!z->class) && (!z->inst)) { |
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100 | badargs=1; |
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101 | break; |
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102 | } |
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103 | |
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104 | /* Once we have -m, gobble up everything else on the line */ |
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105 | myargv++; |
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106 | myargc--; |
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107 | msg = g_strjoinv(" ", (char**)myargv); |
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108 | break; |
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109 | } else if (!strcmp(myargv[0], "-C")) { |
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110 | z->cc=1; |
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111 | myargv++; |
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112 | myargc--; |
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113 | } else if (!strcmp(myargv[0], "-n")) { |
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114 | z->noping=1; |
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115 | myargv++; |
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116 | myargc--; |
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117 | } else { |
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118 | /* anything unattached is a recipient */ |
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119 | g_ptr_array_add(z->recips, owl_validate_utf8(myargv[0])); |
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120 | myargv++; |
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121 | myargc--; |
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122 | } |
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123 | } |
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124 | |
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125 | g_strfreev(argv); |
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126 | |
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127 | if (badargs) { |
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128 | return(-1); |
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129 | } |
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130 | |
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131 | if (z->class == NULL && |
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132 | z->inst == NULL && |
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133 | z->recips->len == 0) { |
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134 | owl_function_error("You must specify a recipient for zwrite"); |
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135 | return(-1); |
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136 | } |
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137 | |
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138 | /* now deal with defaults */ |
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139 | if (z->class==NULL) z->class=g_strdup("message"); |
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140 | if (z->inst==NULL) z->inst=g_strdup("personal"); |
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141 | if (z->realm==NULL) z->realm=g_strdup(""); |
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142 | if (z->opcode==NULL) z->opcode=g_strdup(""); |
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143 | /* z->message is allowed to stay NULL */ |
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144 | |
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145 | if(msg) { |
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146 | owl_zwrite_set_message(z, msg); |
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147 | g_free(msg); |
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148 | } |
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149 | |
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150 | return(0); |
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151 | } |
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152 | |
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153 | void owl_zwrite_populate_zsig(owl_zwrite *z) |
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154 | { |
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155 | /* get a zsig, if not given */ |
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156 | if (z->zsig != NULL) |
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157 | return; |
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158 | |
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159 | z->zsig = owl_perlconfig_execute(owl_global_get_zsigfunc(&g)); |
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160 | } |
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161 | |
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162 | void owl_zwrite_send_ping(const owl_zwrite *z) |
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163 | { |
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164 | int i; |
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165 | char *to; |
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166 | |
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167 | if (z->noping) return; |
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168 | |
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169 | if (strcasecmp(z->class, "message")) { |
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170 | return; |
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171 | } |
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172 | |
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173 | /* if there are no recipients we won't send a ping, which |
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174 | is what we want */ |
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175 | for (i = 0; i < z->recips->len; i++) { |
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176 | to = owl_zwrite_get_recip_n_with_realm(z, i); |
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177 | send_ping(to, z->class, z->inst); |
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178 | g_free(to); |
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179 | } |
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180 | |
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181 | } |
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182 | |
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183 | /* Set the message with no post-processing*/ |
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184 | void owl_zwrite_set_message_raw(owl_zwrite *z, const char *msg) |
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185 | { |
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186 | g_free(z->message); |
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187 | z->message = owl_validate_utf8(msg); |
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188 | } |
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189 | |
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190 | void owl_zwrite_set_message(owl_zwrite *z, const char *msg) |
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191 | { |
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192 | int i; |
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193 | GString *message; |
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194 | char *tmp = NULL, *tmp2; |
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195 | |
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196 | g_free(z->message); |
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197 | |
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198 | if (z->recips->len > 0 && z->cc) { |
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199 | message = g_string_new("CC: "); |
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200 | for (i = 0; i < z->recips->len; i++) { |
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201 | tmp = owl_zwrite_get_recip_n_with_realm(z, i); |
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202 | g_string_append_printf(message, "%s ", tmp); |
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203 | g_free(tmp); |
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204 | tmp = NULL; |
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205 | } |
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206 | tmp = owl_validate_utf8(msg); |
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207 | tmp2 = owl_text_expand_tabs(tmp); |
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208 | g_string_append_printf(message, "\n%s", tmp2); |
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209 | z->message = g_string_free(message, false); |
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210 | g_free(tmp); |
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211 | g_free(tmp2); |
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212 | } else { |
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213 | tmp=owl_validate_utf8(msg); |
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214 | z->message=owl_text_expand_tabs(tmp); |
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215 | g_free(tmp); |
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216 | } |
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217 | } |
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218 | |
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219 | const char *owl_zwrite_get_message(const owl_zwrite *z) |
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220 | { |
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221 | if (z->message) return(z->message); |
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222 | return(""); |
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223 | } |
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224 | |
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225 | int owl_zwrite_is_message_set(const owl_zwrite *z) |
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226 | { |
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227 | if (z->message) return(1); |
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228 | return(0); |
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229 | } |
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230 | |
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231 | int owl_zwrite_send_message(const owl_zwrite *z) |
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232 | { |
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233 | int i, ret = 0; |
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234 | char *to = NULL; |
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235 | |
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236 | if (z->message==NULL) return(-1); |
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237 | |
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238 | if (z->recips->len > 0) { |
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239 | for (i = 0; i < z->recips->len; i++) { |
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240 | to = owl_zwrite_get_recip_n_with_realm(z, i); |
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241 | ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message); |
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242 | /* Abort on the first error, to match the zwrite binary. */ |
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243 | if (ret != 0) |
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244 | break; |
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245 | g_free(to); |
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246 | to = NULL; |
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247 | } |
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248 | } else { |
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249 | to = g_strdup_printf( "@%s", z->realm); |
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250 | ret = send_zephyr(z->opcode, z->zsig, z->class, z->inst, to, z->message); |
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251 | } |
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252 | g_free(to); |
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253 | return ret; |
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254 | } |
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255 | |
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256 | int owl_zwrite_create_and_send_from_line(const char *cmd, const char *msg) |
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257 | { |
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258 | owl_zwrite z; |
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259 | int rv; |
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260 | rv=owl_zwrite_create_from_line(&z, cmd); |
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261 | if (rv) return(rv); |
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262 | if (!owl_zwrite_is_message_set(&z)) { |
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263 | owl_zwrite_set_message(&z, msg); |
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264 | } |
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265 | owl_zwrite_populate_zsig(&z); |
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266 | owl_zwrite_send_message(&z); |
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267 | owl_zwrite_cleanup(&z); |
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268 | return(0); |
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269 | } |
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270 | |
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271 | const char *owl_zwrite_get_class(const owl_zwrite *z) |
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272 | { |
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273 | return(z->class); |
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274 | } |
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275 | |
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276 | const char *owl_zwrite_get_instance(const owl_zwrite *z) |
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277 | { |
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278 | return(z->inst); |
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279 | } |
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280 | |
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281 | const char *owl_zwrite_get_opcode(const owl_zwrite *z) |
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282 | { |
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283 | return(z->opcode); |
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284 | } |
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285 | |
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286 | void owl_zwrite_set_opcode(owl_zwrite *z, const char *opcode) |
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287 | { |
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288 | g_free(z->opcode); |
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289 | z->opcode=owl_validate_utf8(opcode); |
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290 | } |
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291 | |
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292 | const char *owl_zwrite_get_realm(const owl_zwrite *z) |
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293 | { |
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294 | return(z->realm); |
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295 | } |
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296 | |
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297 | const char *owl_zwrite_get_zsig(const owl_zwrite *z) |
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298 | { |
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299 | if (z->zsig) return(z->zsig); |
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300 | return(""); |
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301 | } |
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302 | |
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303 | void owl_zwrite_set_zsig(owl_zwrite *z, const char *zsig) |
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304 | { |
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305 | g_free(z->zsig); |
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306 | z->zsig = g_strdup(zsig); |
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307 | } |
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308 | |
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309 | int owl_zwrite_get_numrecips(const owl_zwrite *z) |
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310 | { |
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311 | return z->recips->len; |
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312 | } |
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313 | |
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314 | const char *owl_zwrite_get_recip_n(const owl_zwrite *z, int n) |
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315 | { |
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316 | return z->recips->pdata[n]; |
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317 | } |
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318 | |
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319 | /* Caller must free the result. */ |
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320 | CALLER_OWN char *owl_zwrite_get_recip_n_with_realm(const owl_zwrite *z, int n) |
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321 | { |
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322 | if (z->realm[0]) { |
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323 | return g_strdup_printf("%s@%s", owl_zwrite_get_recip_n(z, n), z->realm); |
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324 | } else { |
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325 | return g_strdup(owl_zwrite_get_recip_n(z, n)); |
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326 | } |
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327 | } |
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328 | |
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329 | int owl_zwrite_is_personal(const owl_zwrite *z) |
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330 | { |
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331 | /* return true if at least one of the recipients is personal */ |
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332 | int i; |
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333 | char *recip; |
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334 | |
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335 | for (i = 0; i < z->recips->len; i++) { |
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336 | recip = z->recips->pdata[i]; |
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337 | if (recip[0] != '@') return 1; |
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338 | } |
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339 | return(0); |
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340 | } |
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341 | |
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342 | void owl_zwrite_delete(owl_zwrite *z) |
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343 | { |
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344 | owl_zwrite_cleanup(z); |
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345 | g_free(z); |
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346 | } |
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347 | |
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348 | void owl_zwrite_cleanup(owl_zwrite *z) |
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349 | { |
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350 | owl_ptr_array_free(z->recips, g_free); |
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351 | g_free(z->cmd); |
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352 | g_free(z->zwriteline); |
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353 | g_free(z->class); |
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354 | g_free(z->inst); |
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355 | g_free(z->opcode); |
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356 | g_free(z->realm); |
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357 | g_free(z->message); |
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358 | g_free(z->zsig); |
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359 | } |
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360 | |
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361 | /* |
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362 | * Returns a zwrite line suitable for replying, specifically the |
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363 | * message field is stripped out. Result should be freed with |
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364 | * g_free. |
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365 | * |
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366 | * If not a CC, only the recip_index'th user will be replied to. |
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367 | */ |
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368 | CALLER_OWN char *owl_zwrite_get_replyline(const owl_zwrite *z, int recip_index) |
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369 | { |
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370 | /* Match ordering in zwrite help. */ |
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371 | GString *buf = g_string_new(""); |
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372 | int i; |
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373 | |
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374 | /* Disturbingly, it is apparently possible to z->cmd to be null if |
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375 | * owl_zwrite_create_from_line got something starting with -. And we |
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376 | * can't kill it because this is exported to perl. */ |
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377 | owl_string_append_quoted_arg(buf, z->cmd ? z->cmd : "zwrite"); |
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378 | if (z->noping) { |
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379 | g_string_append(buf, " -n"); |
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380 | } |
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381 | if (z->cc) { |
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382 | g_string_append(buf, " -C"); |
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383 | } |
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384 | if (strcmp(z->class, "message")) { |
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385 | g_string_append(buf, " -c "); |
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386 | owl_string_append_quoted_arg(buf, z->class); |
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387 | } |
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388 | if (strcmp(z->inst, "personal")) { |
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389 | g_string_append(buf, " -i "); |
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390 | owl_string_append_quoted_arg(buf, z->inst); |
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391 | } |
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392 | if (z->realm && z->realm[0] != '\0') { |
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393 | g_string_append(buf, " -r "); |
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394 | owl_string_append_quoted_arg(buf, z->realm); |
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395 | } |
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396 | if (z->opcode && z->opcode[0] != '\0') { |
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397 | g_string_append(buf, " -O "); |
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398 | owl_string_append_quoted_arg(buf, z->opcode); |
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399 | } |
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400 | if (z->cc) { |
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401 | for (i = 0; i < z->recips->len; i++) { |
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402 | g_string_append_c(buf, ' '); |
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403 | owl_string_append_quoted_arg(buf, z->recips->pdata[i]); |
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404 | } |
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405 | } else if (recip_index < z->recips->len) { |
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406 | g_string_append_c(buf, ' '); |
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407 | owl_string_append_quoted_arg(buf, z->recips->pdata[recip_index]); |
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408 | } |
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409 | |
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410 | return g_string_free(buf, false); |
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411 | } |
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