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25 | |
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26 | #include "template.h" |
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27 | |
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28 | |
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29 | |
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30 | |
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31 | |
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32 | |
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33 | short |
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34 | getFlowsetId(short cfn, unsigned short *offV9, unsigned char *buf) |
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35 | { |
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36 | unsigned short os; |
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37 | unsigned char buffer2[2]; |
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38 | |
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39 | if ( cfn == 0 ) { |
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40 | os = 20+8+20; |
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41 | } else { |
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42 | os = *offV9; |
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43 | } |
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44 | buffer2[1]= *(buf+os+0); |
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45 | buffer2[0]= *(buf+os+1); |
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46 | return *((unsigned short*)&buffer2); |
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47 | } |
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48 | |
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49 | |
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50 | |
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51 | |
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52 | |
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53 | |
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54 | |
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55 | short |
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56 | checkTemplateFlowSet(RouterPtr cr, unsigned short *offV9, |
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57 | unsigned char *buf, |
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58 | NetFlowV9HeaderPtr v9Ptr, |
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59 | TplFlowSetPtr cTFSPtr, |
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60 | short *cFNPtr, |
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61 | int myQueue) |
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62 | { |
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63 | int i = 0; |
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64 | int cpt = 0; |
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65 | int cpt_fields = 0; |
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66 | int index = 0; |
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67 | unsigned char buffer2[2]; |
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68 | unsigned short tmp = 0; |
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69 | unsigned short flowsetId = 0; |
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70 | unsigned short length = 0; |
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71 | TplFlowSetPtr ptpltmp = NULL; |
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72 | |
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73 | msgType myMsg; |
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74 | FieldPtr tmpField; |
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75 | char *msgTextIndex; |
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76 | unsigned short tplMsgType = 1; |
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77 | unsigned short badFieldNumber = 0; |
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78 | unsigned short badFieldLength = 0; |
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79 | unsigned short badFieldCount = 0; |
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80 | |
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81 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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82 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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83 | flowsetId = *((unsigned short*)&buffer2); |
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84 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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85 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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86 | length = *((unsigned short*)&buffer2); |
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87 | do { |
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88 | #ifdef DEBUG |
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89 | fprintf (stderr, "{"); |
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90 | #endif |
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91 | badFieldNumber = 0; |
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92 | badFieldLength = 0; |
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93 | badFieldCount = 0; |
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94 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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95 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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96 | if ((cTFSPtr= |
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97 | existTplId(cr, v9Ptr->sourceId, |
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98 | *((unsigned short*)&buffer2)))==NULL) { |
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99 | cTFSPtr = newRouterTplList(); |
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100 | cTFSPtr->next = cr->tplList; |
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101 | if (cr->tplList!=NULL) {cr->tplList->prev = cTFSPtr;} |
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102 | cr->tplList = cTFSPtr; |
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103 | cTFSPtr->templateFlowSetId = *((unsigned short*)&buffer2); |
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104 | cTFSPtr->sourceId = v9Ptr->sourceId; |
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105 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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106 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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107 | if ( (cTFSPtr->fieldCount = *((unsigned short*)&buffer2) ) == 0 ) { |
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108 | badFieldCount = 1; |
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109 | ptpltmp = cTFSPtr; |
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110 | if (ptpltmp->prev == NULL) { |
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111 | cr->tplList = ptpltmp->next; |
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112 | if (cr->tplList) { |
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113 | cr->tplList->prev = NULL; |
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114 | } |
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115 | } else { |
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116 | ptpltmp->prev->next = ptpltmp->next; |
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117 | if (ptpltmp->next) { |
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118 | ptpltmp->next->prev = ptpltmp->prev; |
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119 | } |
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120 | } |
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121 | deleteTplFlSet(ptpltmp); |
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122 | cTFSPtr = NULL; |
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123 | return (-1); |
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124 | } |
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125 | cpt_fields = 0; |
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126 | for ( i=0; i<cTFSPtr->fieldCount; i++) { |
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127 | FieldPtr fldPtr = (FieldPtr) malloc(sizeof(struct Field)); |
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128 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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129 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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130 | if ( (fldPtr->fieldType = *((unsigned short*)&buffer2) ) > 89) { |
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131 | badFieldNumber = 1; |
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132 | } |
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133 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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134 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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135 | if ( (fldPtr->fieldLength = *((unsigned short*)&buffer2) ) > 16) { |
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136 | badFieldLength = 1; |
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137 | } |
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138 | fldPtr->next = cTFSPtr->fieldSet; |
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139 | fldPtr->prev = NULL; |
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140 | if ( cTFSPtr->fieldSet ) {cTFSPtr->fieldSet->prev = fldPtr;} |
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141 | cTFSPtr->fieldSet = fldPtr; |
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142 | if (i==0) { |
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143 | cTFSPtr->lastField = fldPtr; |
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144 | } |
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145 | cpt_fields++; |
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146 | if ( (cTFSPtr->templateFlowSetId < 256 ) |
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147 | || (cpt_fields > 40) |
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148 | || (badFieldNumber == 1) |
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149 | || badFieldLength == 1 |
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150 | || (badFieldCount == 1)) { |
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151 | |
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152 | |
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153 | |
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154 | |
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155 | |
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156 | |
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157 | |
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158 | |
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159 | |
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160 | |
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161 | while ( ((*offV9))> (index)){ |
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162 | buffer2[1]= *(buf+index); index++; |
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163 | buffer2[0]= *(buf+index); index++; |
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164 | tmp = *((unsigned short*)&buffer2); |
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165 | |
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166 | } |
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167 | syslog (LOG_INFO, |
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168 | "in new template: field nb gt 89, field lg gt 16 or too many fields, bad template definition possibility"); |
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169 | |
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170 | |
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171 | ptpltmp = cTFSPtr; |
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172 | if (ptpltmp->prev == NULL) { |
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173 | cr->tplList = ptpltmp->next; |
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174 | if (cr->tplList) { |
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175 | cr->tplList->prev = NULL; |
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176 | } |
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177 | } else { |
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178 | ptpltmp->prev->next = ptpltmp->next; |
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179 | if (ptpltmp->next) { |
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180 | ptpltmp->next->prev = ptpltmp->prev; |
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181 | } |
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182 | } |
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183 | deleteTplFlSet(ptpltmp); |
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184 | cTFSPtr = NULL; |
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185 | return (-1); |
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186 | } |
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187 | } |
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188 | } else { |
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189 | ptpltmp = cTFSPtr; |
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190 | if (ptpltmp->prev == NULL) { |
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191 | cr->tplList = ptpltmp->next; |
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192 | if (cr->tplList) { |
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193 | cr->tplList->prev = NULL; |
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194 | } |
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195 | } else { |
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196 | ptpltmp->prev->next = ptpltmp->next; |
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197 | if (ptpltmp->next) { |
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198 | ptpltmp->next->prev = ptpltmp->prev; |
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199 | } |
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200 | } |
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201 | deleteTplFlSet(ptpltmp); |
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202 | ptpltmp = NULL; |
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203 | cTFSPtr = NULL; |
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204 | cTFSPtr = newRouterTplList(); |
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205 | cTFSPtr->next = cr->tplList; |
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206 | if (cr->tplList!=NULL) {cr->tplList->prev = cTFSPtr;} |
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207 | cr->tplList = cTFSPtr; |
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208 | cTFSPtr->templateFlowSetId = *((unsigned short*)&buffer2); |
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209 | cTFSPtr->sourceId = v9Ptr->sourceId; |
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210 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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211 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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212 | if ( (cTFSPtr->fieldCount = *((unsigned short*)&buffer2) ) == 0 ) { |
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213 | badFieldCount = 1; |
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214 | ptpltmp = cTFSPtr; |
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215 | if (ptpltmp->prev == NULL) { |
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216 | cr->tplList = ptpltmp->next; |
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217 | if (cr->tplList) { |
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218 | cr->tplList->prev = NULL; |
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219 | } |
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220 | } else { |
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221 | ptpltmp->prev->next = ptpltmp->next; |
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222 | if (ptpltmp->next) { |
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223 | ptpltmp->next->prev = ptpltmp->prev; |
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224 | } |
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225 | } |
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226 | deleteTplFlSet(ptpltmp); |
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227 | cTFSPtr = NULL; |
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228 | return (-1); |
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229 | } |
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230 | cpt_fields = 0; |
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231 | for ( i=0; i<cTFSPtr->fieldCount; i++) { |
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232 | FieldPtr fldPtr = (FieldPtr) malloc(sizeof(struct Field)); |
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233 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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234 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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235 | if ( (fldPtr->fieldType = *((unsigned short*)&buffer2) ) > 89) { |
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236 | badFieldNumber = 1; |
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237 | } |
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238 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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239 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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240 | if ( (fldPtr->fieldLength = *((unsigned short*)&buffer2) ) > 16) { |
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241 | badFieldLength = 1; |
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242 | } |
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243 | fldPtr->next = cTFSPtr->fieldSet; |
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244 | fldPtr->prev = NULL; |
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245 | if ( cTFSPtr->fieldSet ) { |
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246 | cTFSPtr->fieldSet->prev = fldPtr; |
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247 | } |
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248 | cTFSPtr->fieldSet = fldPtr; |
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249 | if (i==0) { |
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250 | cTFSPtr->lastField = fldPtr; |
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251 | } |
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252 | cpt_fields++; |
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253 | if ( (cTFSPtr->templateFlowSetId < 256 ) |
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254 | || (cpt_fields > 40) |
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255 | || (badFieldNumber == 1) |
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256 | || badFieldLength == 1 |
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257 | || (badFieldCount == 1)) { |
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258 | while ( ((*offV9))> (index)){ |
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259 | buffer2[1]= *(buf+index); index++; |
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260 | buffer2[0]= *(buf+index); index++; |
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261 | tmp = *((unsigned short*)&buffer2); |
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262 | |
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263 | } |
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264 | syslog (LOG_INFO, |
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265 | "in update template function: too many fields, bug collector or wrong template def in template update"); |
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266 | |
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267 | |
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268 | ptpltmp = cTFSPtr; |
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269 | if (ptpltmp->prev == NULL) { |
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270 | cr->tplList = ptpltmp->next; |
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271 | if (cr->tplList) { |
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272 | cr->tplList->prev = NULL; |
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273 | } |
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274 | } else { |
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275 | ptpltmp->prev->next = ptpltmp->next; |
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276 | if (ptpltmp->next) { |
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277 | ptpltmp->next->prev = ptpltmp->prev; |
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278 | } |
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279 | } |
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280 | deleteTplFlSet(ptpltmp); |
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281 | cTFSPtr = NULL; |
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282 | return (-1); |
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283 | } |
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284 | } |
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285 | } |
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286 | |
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287 | |
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288 | |
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289 | |
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290 | |
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291 | |
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292 | |
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293 | |
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294 | |
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295 | |
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296 | msgTextIndex = mempcpy(mempcpy(mempcpy(mempcpy(mempcpy(myMsg.text, |
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297 | &tplMsgType, |
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298 | sizeof(unsigned short) |
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299 | ), |
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300 | &cr->IpAddress, |
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301 | sizeof(unsigned long) |
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302 | ), |
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303 | &cTFSPtr->sourceId, |
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304 | sizeof(unsigned long) |
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305 | ), |
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306 | &cTFSPtr->templateFlowSetId, |
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307 | sizeof(cTFSPtr->templateFlowSetId) |
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308 | ), |
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309 | &cTFSPtr->fieldCount, |
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310 | sizeof(cTFSPtr->fieldCount) |
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311 | ); |
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312 | |
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313 | tmpField = cTFSPtr->lastField; |
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314 | for (; tmpField; tmpField=tmpField->prev) { |
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315 | msgTextIndex = mempcpy(mempcpy(msgTextIndex, |
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316 | &tmpField->fieldType, |
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317 | sizeof(tmpField->fieldType)), |
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318 | &tmpField->fieldLength, |
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319 | sizeof(tmpField->fieldLength)); |
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320 | } |
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321 | myMsg.type = 1; |
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322 | msgSend( myQueue, myMsg); |
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323 | |
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324 | (*cFNPtr)++; |
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325 | } while ( (cpt) < (length-2) ); |
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326 | #ifdef DEBUG |
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327 | fprintf (stderr, "}"); |
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328 | #endif |
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329 | return length; |
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330 | } |
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331 | |
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332 | |
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333 | |
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334 | |
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335 | |
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336 | short |
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337 | checkTemplateOption(RouterPtr cr, unsigned short *offV9, |
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338 | unsigned char *buf, NetFlowV9HeaderPtr v9Ptr, |
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339 | TplOptionPtr cTOPtr, |
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340 | short *cFNPtr) |
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341 | { |
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342 | int i; |
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343 | int cpt = 0; |
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344 | unsigned short getFlowsetId = 0; |
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345 | unsigned short length = 0; |
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346 | unsigned char buffer2[2]; |
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347 | TplOptionPtr ptplotmp; |
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348 | unsigned short badFieldNumber = 0; |
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349 | unsigned short badFieldLength = 0; |
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350 | int cpt_fields = 0; |
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351 | |
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352 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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353 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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354 | getFlowsetId = *((unsigned short*)&buffer2); |
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355 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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356 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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357 | length = *((unsigned short*)&buffer2); |
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358 | do { |
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359 | #ifdef DEBUG |
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360 | fprintf (stderr, "<"); |
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361 | #endif |
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362 | badFieldNumber = 0; |
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363 | badFieldLength = 0; |
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364 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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365 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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366 | if ((cTOPtr= |
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367 | existTplOptId(cr, v9Ptr->sourceId, |
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368 | *((unsigned short*)&buffer2)))==NULL) { |
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369 | cTOPtr = newRouterTplOptList(); |
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370 | cTOPtr->next = cr->tplOptList; |
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371 | if (cr->tplOptList!=NULL) {cr->tplOptList->prev = cTOPtr;} |
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372 | cr->tplOptList = cTOPtr; |
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373 | cTOPtr->templateOptionId = *((unsigned short*)&buffer2); |
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374 | cTOPtr->sourceId = v9Ptr->sourceId; |
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375 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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376 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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377 | cTOPtr->optionScopeLg = *((unsigned short*)&buffer2); |
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378 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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379 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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380 | cTOPtr->optionLg = *((unsigned short*)&buffer2); |
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381 | cpt_fields = 0; |
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382 | for ( i=0; i<(((cTOPtr->optionScopeLg)+(cTOPtr->optionLg))/4); i++) { |
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383 | FieldPtr tmp = (FieldPtr) malloc(sizeof(struct Field)); |
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384 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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385 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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386 | if ( (tmp->fieldType = *((unsigned short*)&buffer2) ) > 89) { |
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387 | badFieldNumber = 1; |
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388 | } |
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389 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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390 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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391 | if ( (tmp->fieldLength = *((unsigned short*)&buffer2) ) > 16) { |
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392 | badFieldLength = 1; |
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393 | } |
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394 | tmp->next = cTOPtr->fieldSet; |
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395 | tmp->prev = NULL; |
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396 | if ( cTOPtr->fieldSet ) {cTOPtr->fieldSet->prev = tmp;} |
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397 | cTOPtr->fieldSet = tmp; |
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398 | if (i==0) { |
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399 | cTOPtr->lastField = tmp; |
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400 | } |
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401 | cpt_fields++; |
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402 | if ( (cTOPtr->templateOptionId < 256) || (cpt_fields > 40) || (badFieldNumber == 1) || badFieldLength == 1) { |
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403 | syslog (LOG_INFO, |
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404 | "in option template function: too many fields, bug collector or wrong template def in template update"); |
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405 | #ifdef DEBUG |
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406 | fprintf(stderr, |
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407 | "\nin option template function: too many fields, bug collector or wrong template def in template update\n"); |
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408 | #endif |
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409 | ptplotmp = cTOPtr; |
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410 | if (ptplotmp->prev == NULL) { |
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411 | cr->tplOptList = ptplotmp->next; |
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412 | if (cr->tplOptList) { |
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413 | cr->tplOptList->prev = NULL; |
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414 | } |
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415 | } else { |
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416 | ptplotmp->prev->next = ptplotmp->next; |
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417 | if (ptplotmp->next) { |
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418 | ptplotmp->next->prev = ptplotmp->prev; |
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419 | } |
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420 | } |
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421 | deleteTplOption(ptplotmp); |
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422 | cTOPtr = NULL; |
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423 | return (-1); |
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424 | } |
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425 | } |
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426 | while ((*offV9)%4 != 0) { |
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427 | (*offV9)++; cpt++; |
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428 | } |
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429 | } else { |
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430 | ptplotmp = cTOPtr; |
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431 | if (ptplotmp->prev == NULL) { |
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432 | cr->tplOptList = ptplotmp->next; |
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433 | if (cr->tplOptList) { |
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434 | cr->tplOptList->prev = NULL; |
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435 | } |
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436 | } else { |
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437 | ptplotmp->prev->next = ptplotmp->next; |
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438 | if (ptplotmp->next) { |
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439 | ptplotmp->next->prev = ptplotmp->prev; |
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440 | } |
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441 | } |
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442 | deleteTplOption(ptplotmp); |
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443 | cTOPtr = NULL; |
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444 | cTOPtr = newRouterTplOptList(); |
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445 | cTOPtr->next = cr->tplOptList; |
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446 | if (cr->tplOptList!=NULL) {cr->tplOptList->prev = cTOPtr;} |
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447 | cr->tplOptList = cTOPtr; |
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448 | cTOPtr->templateOptionId = *((unsigned short*)&buffer2); |
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449 | cTOPtr->sourceId = v9Ptr->sourceId; |
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450 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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451 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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452 | cTOPtr->optionScopeLg = *((unsigned short*)&buffer2); |
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453 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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454 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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455 | cTOPtr->optionLg = *((unsigned short*)&buffer2); |
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456 | cpt_fields = 0; |
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457 | for ( i=0; i<(((cTOPtr->optionScopeLg)+(cTOPtr->optionLg))/4); i++) { |
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458 | FieldPtr tmp = (FieldPtr) malloc(sizeof(struct Field)); |
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459 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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460 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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461 | if ( (tmp->fieldType = *((unsigned short*)&buffer2) ) > 89) { |
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462 | badFieldNumber = 1; |
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463 | } |
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464 | buffer2[1]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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465 | buffer2[0]= *(buf+(*offV9)); (*offV9)++; cpt++; |
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466 | if ( (tmp->fieldLength = *((unsigned short*)&buffer2) ) > 16) { |
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467 | badFieldLength = 1; |
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468 | } |
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469 | tmp->next = cTOPtr->fieldSet; |
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470 | tmp->prev = NULL; |
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471 | if ( cTOPtr->fieldSet ) {cTOPtr->fieldSet->prev = tmp;} |
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472 | cTOPtr->fieldSet = tmp; |
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473 | if (i==0) { |
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474 | cTOPtr->lastField = tmp; |
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475 | } |
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476 | cpt_fields++; |
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477 | if ( (cTOPtr->templateOptionId < 256) || (cpt_fields > 40) || (badFieldNumber == 1) || badFieldLength == 1) { |
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478 | syslog (LOG_INFO, |
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479 | "in update option tpl function: too many fields, bug collector or wrong template def in template update"); |
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480 | #ifdef DEBUG |
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481 | fprintf(stderr, |
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482 | "\nin update option tpl function: too many fields, bug collector or wrong template def in template update\n"); |
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483 | #endif |
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484 | ptplotmp = cTOPtr; |
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485 | if (ptplotmp->prev == NULL) { |
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486 | cr->tplOptList = ptplotmp->next; |
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487 | if (cr->tplOptList) { |
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488 | cr->tplOptList->prev = NULL; |
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489 | } |
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490 | } else { |
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491 | ptplotmp->prev->next = ptplotmp->next; |
---|
492 | if (ptplotmp->next) { |
---|
493 | ptplotmp->next->prev = ptplotmp->prev; |
---|
494 | } |
---|
495 | } |
---|
496 | deleteTplOption(ptplotmp); |
---|
497 | cTOPtr = NULL; |
---|
498 | return (-1); |
---|
499 | } |
---|
500 | } |
---|
501 | while ((*offV9)%4 != 0) { |
---|
502 | (*offV9)++; cpt++; |
---|
503 | } |
---|
504 | } |
---|
505 | (*cFNPtr)++; |
---|
506 | } while ((cpt) < (length-2)); |
---|
507 | |
---|
508 | #ifdef DEBUG |
---|
509 | fprintf (stderr, ">"); |
---|
510 | #endif |
---|
511 | return length; |
---|
512 | } |
---|
513 | |
---|
514 | |
---|
515 | |
---|
516 | |
---|
517 | |
---|
518 | |
---|
519 | |
---|
520 | |
---|
521 | |
---|
522 | |
---|
523 | TplFlowSetPtr |
---|
524 | existId(RouterPtr cr, unsigned long idh, short idfs) |
---|
525 | { |
---|
526 | TplFlowSetPtr tmp=cr->tplList; |
---|
527 | for (; tmp; tmp=tmp->next) { |
---|
528 | if ((tmp->sourceId==idh)) { |
---|
529 | return tmp; |
---|
530 | } |
---|
531 | } |
---|
532 | return NULL; |
---|
533 | } |
---|
534 | |
---|
535 | |
---|
536 | |
---|
537 | |
---|
538 | |
---|
539 | |
---|
540 | |
---|
541 | TplFlowSetPtr |
---|
542 | existTplId(RouterPtr cr, unsigned long sid, short idfs) |
---|
543 | { |
---|
544 | TplFlowSetPtr tmp=cr->tplList; |
---|
545 | for (; tmp; tmp=tmp->next) { |
---|
546 | if ((tmp->sourceId==sid)&&(tmp->templateFlowSetId == idfs)) { |
---|
547 | return tmp; |
---|
548 | } |
---|
549 | } |
---|
550 | return NULL; |
---|
551 | } |
---|
552 | |
---|
553 | |
---|
554 | |
---|
555 | |
---|
556 | |
---|
557 | |
---|
558 | |
---|
559 | TplOptionPtr |
---|
560 | existTplOptId(RouterPtr cr, unsigned long sid, short idfs) |
---|
561 | { |
---|
562 | TplOptionPtr tmp=cr->tplOptList; |
---|
563 | for (; tmp; tmp=tmp->next) { |
---|
564 | if ((tmp->sourceId==sid)&&(tmp->templateOptionId == idfs)) { |
---|
565 | return tmp; |
---|
566 | } |
---|
567 | } |
---|
568 | return NULL; |
---|
569 | } |
---|