1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <sys/types.h> |
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5 | #include <sys/stat.h> |
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6 | #include <errno.h> |
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7 | #define OWL_PERL |
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8 | #include "owl.h" |
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9 | |
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10 | static const char fileIdent[] = "$Id$"; |
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11 | |
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12 | extern char *owl_perlwrap_codebuff; |
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13 | |
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14 | extern XS(boot_BarnOwl); |
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15 | extern XS(boot_DynaLoader); |
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16 | // extern XS(boot_DBI); |
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17 | |
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18 | static void owl_perl_xs_init(pTHX) |
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19 | { |
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20 | char *file = __FILE__; |
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21 | dXSUB_SYS; |
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22 | { |
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23 | newXS("BarnOwl::bootstrap", boot_BarnOwl, file); |
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24 | newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, file); |
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25 | } |
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26 | } |
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27 | |
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28 | SV *owl_perlconfig_message2hashref(owl_message *m) |
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29 | { |
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30 | HV *h, *stash; |
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31 | SV *hr; |
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32 | char *ptr, *blessas, *type; |
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33 | int i, j; |
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34 | owl_pair *pair; |
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35 | |
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36 | if (!m) return &PL_sv_undef; |
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37 | h = newHV(); |
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38 | |
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39 | #define MSG2H(h,field) hv_store(h, #field, strlen(#field), \ |
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40 | newSVpv(owl_message_get_##field(m),0), 0) |
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41 | |
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42 | if (owl_message_is_type_zephyr(m) |
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43 | && owl_message_is_direction_in(m)) { |
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44 | /* Handle zephyr-specific fields... */ |
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45 | AV *av_zfields; |
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46 | |
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47 | av_zfields = newAV(); |
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48 | j=owl_zephyr_get_num_fields(owl_message_get_notice(m)); |
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49 | for (i=0; i<j; i++) { |
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50 | ptr=owl_zephyr_get_field(owl_message_get_notice(m), i+1); |
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51 | av_push(av_zfields, newSVpvn(ptr, strlen(ptr))); |
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52 | owl_free(ptr); |
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53 | } |
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54 | hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0); |
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55 | |
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56 | hv_store(h, "auth", strlen("auth"), |
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57 | newSVpv(owl_zephyr_get_authstr(owl_message_get_notice(m)),0),0); |
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58 | } |
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59 | |
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60 | j=owl_list_get_size(&(m->attributes)); |
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61 | for(i=0; i<j; i++) { |
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62 | pair=owl_list_get_element(&(m->attributes), i); |
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63 | hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)), |
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64 | newSVpv(owl_pair_get_value(pair),0),0); |
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65 | } |
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66 | |
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67 | MSG2H(h, type); |
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68 | MSG2H(h, direction); |
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69 | MSG2H(h, class); |
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70 | MSG2H(h, instance); |
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71 | MSG2H(h, sender); |
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72 | MSG2H(h, realm); |
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73 | MSG2H(h, recipient); |
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74 | MSG2H(h, opcode); |
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75 | MSG2H(h, hostname); |
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76 | MSG2H(h, body); |
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77 | MSG2H(h, login); |
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78 | MSG2H(h, zsig); |
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79 | MSG2H(h, zwriteline); |
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80 | if (owl_message_get_header(m)) { |
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81 | MSG2H(h, header); |
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82 | } |
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83 | hv_store(h, "time", strlen("time"), newSVpv(owl_message_get_timestr(m),0),0); |
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84 | hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0); |
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85 | hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0); |
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86 | hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0); |
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87 | |
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88 | type = owl_message_get_type(m); |
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89 | if(!type || !*type) type = "generic"; |
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90 | type = owl_strdup(type); |
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91 | type[0] = toupper(type[0]); |
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92 | blessas = owl_sprintf("BarnOwl::Message::%s", type); |
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93 | |
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94 | hr = sv_2mortal(newRV_noinc((SV*)h)); |
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95 | stash = gv_stashpv(blessas,0); |
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96 | if(!stash) { |
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97 | owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m)); |
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98 | stash = gv_stashpv("BarnOwl::Message", 1); |
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99 | } |
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100 | hr = sv_bless(hr,stash); |
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101 | owl_free(type); |
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102 | owl_free(blessas); |
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103 | return hr; |
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104 | } |
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105 | |
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106 | SV *owl_perlconfig_curmessage2hashref(void) /*noproto*/ |
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107 | { |
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108 | int curmsg; |
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109 | owl_view *v; |
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110 | v=owl_global_get_current_view(&g); |
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111 | if (owl_view_get_size(v) < 1) { |
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112 | return &PL_sv_undef; |
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113 | } |
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114 | curmsg=owl_global_get_curmsg(&g); |
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115 | return owl_perlconfig_message2hashref(owl_view_get_element(v, curmsg)); |
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116 | } |
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117 | |
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118 | /* XXX TODO: Messages should round-trip properly between |
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119 | message2hashref and hashref2message. Currently we lose |
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120 | zephyr-specific properties stored in the ZNotice_t |
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121 | */ |
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122 | owl_message * owl_perlconfig_hashref2message(SV *msg) |
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123 | { |
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124 | owl_message * m; |
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125 | HE * ent; |
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126 | I32 count, len; |
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127 | char *key,*val; |
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128 | HV * hash; |
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129 | |
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130 | hash = (HV*)SvRV(msg); |
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131 | |
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132 | m = owl_malloc(sizeof(owl_message)); |
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133 | owl_message_init(m); |
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134 | |
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135 | count = hv_iterinit(hash); |
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136 | while((ent = hv_iternext(hash))) { |
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137 | key = hv_iterkey(ent, &len); |
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138 | val = SvPV_nolen(hv_iterval(hash, ent)); |
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139 | if(!strcmp(key, "type")) { |
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140 | owl_message_set_type(m, val); |
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141 | } else if(!strcmp(key, "direction")) { |
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142 | owl_message_set_direction(m, owl_message_parse_direction(val)); |
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143 | } else if(!strcmp(key, "private")) { |
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144 | SV * v = hv_iterval(hash, ent); |
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145 | if(SvTRUE(v)) { |
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146 | owl_message_set_isprivate(m); |
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147 | } |
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148 | } else if (!strcmp(key, "hostname")) { |
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149 | owl_message_set_hostname(m, val); |
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150 | } else if (!strcmp(key, "zwriteline")) { |
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151 | owl_message_set_zwriteline(m, val); |
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152 | } else if (!strcmp(key, "time")) { |
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153 | m->timestr = owl_strdup(val); |
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154 | struct tm tm; |
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155 | strptime(val, "%a %b %d %T %Y", &tm); |
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156 | m->time = mktime(&tm); |
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157 | } else { |
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158 | owl_message_set_attribute(m, key, val); |
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159 | } |
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160 | } |
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161 | if(owl_message_is_type_admin(m)) { |
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162 | if(!owl_message_get_attribute_value(m, "adminheader")) |
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163 | owl_message_set_attribute(m, "adminheader", ""); |
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164 | } |
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165 | return m; |
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166 | } |
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167 | |
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168 | /* Calls in a scalar context, passing it a hash reference. |
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169 | If return value is non-null, caller must free. */ |
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170 | char *owl_perlconfig_call_with_message(char *subname, owl_message *m) |
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171 | { |
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172 | dSP ; |
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173 | int count, len; |
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174 | SV *msgref, *srv; |
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175 | char *out, *preout; |
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176 | |
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177 | ENTER ; |
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178 | SAVETMPS; |
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179 | |
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180 | PUSHMARK(SP) ; |
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181 | msgref = owl_perlconfig_message2hashref(m); |
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182 | XPUSHs(msgref); |
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183 | PUTBACK ; |
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184 | |
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185 | count = call_pv(subname, G_SCALAR|G_EVAL|G_KEEPERR); |
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186 | |
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187 | SPAGAIN ; |
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188 | |
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189 | if (SvTRUE(ERRSV)) { |
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190 | STRLEN n_a; |
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191 | owl_function_error("Perl Error: '%s'", SvPV(ERRSV, n_a)); |
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192 | /* and clear the error */ |
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193 | sv_setsv (ERRSV, &PL_sv_undef); |
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194 | } |
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195 | |
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196 | if (count != 1) { |
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197 | fprintf(stderr, "bad perl! no biscuit! returned wrong count!\n"); |
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198 | abort(); |
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199 | } |
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200 | |
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201 | srv = POPs; |
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202 | |
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203 | if (srv) { |
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204 | preout=SvPV(srv, len); |
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205 | out = owl_malloc(strlen(preout)+1); |
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206 | strncpy(out, preout, len); |
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207 | out[len] = '\0'; |
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208 | } else { |
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209 | out = NULL; |
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210 | } |
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211 | |
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212 | PUTBACK ; |
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213 | FREETMPS ; |
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214 | LEAVE ; |
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215 | |
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216 | return out; |
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217 | } |
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218 | |
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219 | |
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220 | /* Calls a method on a perl object representing a message. |
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221 | If the return value is non-null, the caller must free it. |
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222 | */ |
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223 | char * owl_perlconfig_message_call_method(owl_message *m, char *method, int argc, char ** argv) |
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224 | { |
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225 | dSP; |
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226 | unsigned int count, len, i; |
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227 | SV *msgref, *srv; |
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228 | char *out, *preout; |
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229 | |
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230 | msgref = owl_perlconfig_message2hashref(m); |
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231 | |
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232 | ENTER; |
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233 | SAVETMPS; |
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234 | |
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235 | PUSHMARK(SP); |
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236 | XPUSHs(msgref); |
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237 | for(i=0;i<argc;i++) { |
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238 | XPUSHs(sv_2mortal(newSVpv(argv[i], 0))); |
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239 | } |
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240 | PUTBACK; |
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241 | |
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242 | count = call_method(method, G_SCALAR|G_KEEPERR|G_EVAL); |
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243 | |
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244 | SPAGAIN; |
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245 | |
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246 | if(count != 1) { |
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247 | fprintf(stderr, "perl returned wrong count %d\n", count); |
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248 | abort(); |
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249 | } |
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250 | |
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251 | if (SvTRUE(ERRSV)) { |
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252 | STRLEN n_a; |
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253 | owl_function_error("Error: '%s'", SvPV(ERRSV, n_a)); |
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254 | /* and clear the error */ |
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255 | sv_setsv (ERRSV, &PL_sv_undef); |
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256 | } |
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257 | |
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258 | srv = POPs; |
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259 | |
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260 | if (srv) { |
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261 | preout=SvPV(srv, len); |
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262 | out = owl_malloc(strlen(preout)+1); |
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263 | strncpy(out, preout, len); |
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264 | out[len] = '\0'; |
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265 | } else { |
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266 | out = NULL; |
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267 | } |
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268 | |
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269 | PUTBACK; |
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270 | FREETMPS; |
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271 | LEAVE; |
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272 | |
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273 | return out; |
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274 | } |
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275 | |
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276 | |
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277 | char *owl_perlconfig_initperl(char * file) |
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278 | { |
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279 | int ret; |
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280 | PerlInterpreter *p; |
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281 | char *err; |
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282 | char *args[4] = {"", "-e", "0;", NULL}; |
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283 | |
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284 | /* create and initialize interpreter */ |
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285 | p=perl_alloc(); |
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286 | owl_global_set_perlinterp(&g, (void*)p); |
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287 | perl_construct(p); |
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288 | |
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289 | owl_global_set_no_have_config(&g); |
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290 | |
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291 | |
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292 | ret=perl_parse(p, owl_perl_xs_init, 2, args, NULL); |
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293 | if (ret || SvTRUE(ERRSV)) { |
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294 | STRLEN n_a; |
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295 | err=owl_strdup(SvPV(ERRSV, n_a)); |
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296 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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297 | return(err); |
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298 | } |
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299 | |
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300 | ret=perl_run(p); |
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301 | if (ret || SvTRUE(ERRSV)) { |
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302 | STRLEN n_a; |
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303 | err=owl_strdup(SvPV(ERRSV, n_a)); |
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304 | sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */ |
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305 | return(err); |
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306 | } |
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307 | |
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308 | owl_global_set_have_config(&g); |
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309 | |
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310 | /* create legacy variables */ |
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311 | perl_get_sv("BarnOwl::id", TRUE); |
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312 | perl_get_sv("BarnOwl::class", TRUE); |
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313 | perl_get_sv("BarnOwl::instance", TRUE); |
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314 | perl_get_sv("BarnOwl::recipient", TRUE); |
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315 | perl_get_sv("BarnOwl::sender", TRUE); |
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316 | perl_get_sv("BarnOwl::realm", TRUE); |
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317 | perl_get_sv("BarnOwl::opcode", TRUE); |
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318 | perl_get_sv("BarnOwl::zsig", TRUE); |
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319 | perl_get_sv("BarnOwl::msg", TRUE); |
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320 | perl_get_sv("BarnOwl::time", TRUE); |
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321 | perl_get_sv("BarnOwl::host", TRUE); |
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322 | perl_get_av("BarnOwl::fields", TRUE); |
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323 | |
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324 | if(file) { |
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325 | SV * cfg = get_sv("BarnOwl::configfile", TRUE); |
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326 | sv_setpv(cfg, file); |
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327 | } |
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328 | |
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329 | perl_eval_pv(owl_perlwrap_codebuff, FALSE); |
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330 | |
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331 | if (SvTRUE(ERRSV)) { |
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332 | STRLEN n_a; |
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333 | err=owl_strdup(SvPV(ERRSV, n_a)); |
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334 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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335 | return(err); |
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336 | } |
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337 | |
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338 | /* check if we have the formatting function */ |
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339 | if (owl_perlconfig_is_function("BarnOwl::format_msg")) { |
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340 | owl_global_set_config_format(&g, 1); |
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341 | } |
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342 | |
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343 | return(NULL); |
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344 | } |
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345 | |
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346 | /* returns whether or not a function exists */ |
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347 | int owl_perlconfig_is_function(char *fn) { |
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348 | if (perl_get_cv(fn, FALSE)) return(1); |
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349 | else return(0); |
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350 | } |
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351 | |
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352 | /* returns 0 on success */ |
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353 | int owl_perlconfig_get_hashkeys(char *hashname, owl_list *l) |
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354 | { |
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355 | HV *hv; |
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356 | HE *he; |
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357 | char *key; |
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358 | I32 i; |
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359 | |
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360 | if (owl_list_create(l)) return(-1); |
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361 | hv = get_hv(hashname, FALSE); |
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362 | if (!hv) return(-1); |
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363 | i = hv_iterinit(hv); |
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364 | while ((he = hv_iternext(hv))) { |
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365 | key = hv_iterkey(he, &i); |
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366 | if (key) { |
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367 | owl_list_append_element(l, owl_strdup(key)); |
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368 | } |
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369 | } |
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370 | return(0); |
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371 | } |
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372 | |
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373 | /* caller is responsible for freeing returned string */ |
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374 | char *owl_perlconfig_execute(char *line) |
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375 | { |
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376 | STRLEN len; |
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377 | SV *response; |
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378 | char *out, *preout; |
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379 | |
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380 | if (!owl_global_have_config(&g)) return NULL; |
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381 | |
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382 | /* execute the subroutine */ |
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383 | response = perl_eval_pv(line, FALSE); |
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384 | |
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385 | if (SvTRUE(ERRSV)) { |
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386 | STRLEN n_a; |
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387 | owl_function_error("Perl Error: '%s'", SvPV(ERRSV, n_a)); |
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388 | sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */ |
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389 | } |
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390 | |
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391 | preout=SvPV(response, len); |
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392 | /* leave enough space in case we have to add a newline */ |
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393 | out = owl_malloc(strlen(preout)+2); |
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394 | strncpy(out, preout, len); |
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395 | out[len] = '\0'; |
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396 | if (!strlen(out) || out[strlen(out)-1]!='\n') { |
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397 | strcat(out, "\n"); |
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398 | } |
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399 | |
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400 | return(out); |
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401 | } |
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402 | |
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403 | char *owl_perlconfig_getmsg(owl_message *m, int mode, char *subname) |
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404 | { |
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405 | /* if mode==1 we are doing message formatting. The returned |
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406 | * formatted message needs to be freed by the caller. |
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407 | * |
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408 | * if mode==0 we are just doing the message-has-been-received |
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409 | * thing. |
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410 | */ |
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411 | if (!owl_global_have_config(&g)) return(NULL); |
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412 | |
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413 | /* run the procedure corresponding to the mode */ |
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414 | if (mode==1) { |
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415 | char *ret = NULL; |
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416 | ret = owl_perlconfig_call_with_message(subname?subname |
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417 | :"BarnOwl::_format_msg_legacy_wrap", m); |
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418 | if (!ret) { |
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419 | ret = owl_sprintf("@b([Perl Message Formatting Failed!])\n"); |
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420 | } |
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421 | return ret; |
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422 | } else { |
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423 | char *ptr = NULL; |
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424 | if (owl_perlconfig_is_function("BarnOwl::Hooks::receive_msg")) { |
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425 | ptr = owl_perlconfig_call_with_message(subname?subname |
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426 | :"BarnOwl::_receive_msg_legacy_wrap", m); |
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427 | } |
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428 | if (ptr) owl_free(ptr); |
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429 | return(NULL); |
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430 | } |
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431 | } |
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432 | |
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433 | char *owl_perlconfig_perlcmd(owl_cmd *cmd, int argc, char **argv) |
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434 | { |
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435 | int i, count; |
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436 | char * ret = NULL; |
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437 | STRLEN n_a; |
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438 | dSP; |
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439 | |
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440 | ENTER; |
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441 | SAVETMPS; |
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442 | |
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443 | PUSHMARK(SP); |
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444 | for(i=0;i<argc;i++) { |
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445 | XPUSHs(sv_2mortal(newSVpv(argv[i], 0))); |
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446 | } |
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447 | PUTBACK; |
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448 | |
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449 | count = call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL); |
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450 | |
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451 | SPAGAIN; |
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452 | |
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453 | if(SvTRUE(ERRSV)) { |
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454 | owl_function_error("%s", SvPV(ERRSV, n_a)); |
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455 | POPs; |
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456 | } else { |
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457 | if(count != 1) |
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458 | croak("Perl command %s returned more than one value!", cmd->name); |
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459 | SV * rv = POPs; |
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460 | if(SvTRUE(rv)) { |
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461 | ret = owl_strdup(SvPV(rv, n_a)); |
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462 | } |
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463 | } |
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464 | |
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465 | FREETMPS; |
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466 | LEAVE; |
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467 | |
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468 | return ret; |
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469 | } |
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470 | |
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471 | void owl_perlconfig_cmd_free(owl_cmd *cmd) |
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472 | { |
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473 | SvREFCNT_dec(cmd); |
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474 | } |
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475 | |
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476 | void owl_perlconfig_edit_callback(owl_editwin *e) |
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477 | { |
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478 | SV *cb = (SV*)(e->cbdata); |
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479 | unsigned int n_a; |
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480 | if(cb == NULL) { |
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481 | owl_function_error("Perl callback is NULL!"); |
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482 | } |
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483 | |
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484 | dSP; |
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485 | |
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486 | ENTER; |
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487 | SAVETMPS; |
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488 | |
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489 | PUSHMARK(SP); |
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490 | XPUSHs(sv_2mortal(newSVpv(owl_editwin_get_text(e), 0))); |
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491 | PUTBACK; |
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492 | |
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493 | call_sv(cb, G_DISCARD|G_KEEPERR|G_EVAL); |
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494 | |
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495 | if(SvTRUE(ERRSV)) { |
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496 | owl_function_error("%s", SvPV(ERRSV, n_a)); |
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497 | } |
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498 | |
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499 | FREETMPS; |
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500 | LEAVE; |
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501 | |
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502 | SvREFCNT_dec(cb); |
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503 | e->cbdata = NULL; |
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504 | } |
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505 | |
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506 | void owl_perlconfig_mainloop() |
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507 | { |
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508 | if (!owl_perlconfig_is_function("BarnOwl::Hooks::mainloop_hook")) |
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509 | return; |
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510 | dSP ; |
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511 | PUSHMARK(SP) ; |
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512 | call_pv("BarnOwl::Hooks::mainloop_hook", G_DISCARD|G_EVAL); |
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513 | if(SvTRUE(ERRSV)) { |
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514 | STRLEN n_a; |
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515 | owl_function_error("%s", SvPV(ERRSV, n_a)); |
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516 | } |
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517 | return; |
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518 | } |
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