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1 /* Distributed Checksum Clearinghouse |
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2 * |
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3 * Copyright (c) 2008 by Rhyolite Software, LLC |
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4 * |
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5 * This agreement is not applicable to any entity which sells anti-spam |
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6 * solutions to others or provides an anti-spam solution as part of a |
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7 * security solution sold to other entities, or to a private network |
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8 * which employs the DCC or uses data provided by operation of the DCC |
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9 * but does not provide corresponding data to other users. |
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10 * |
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11 * Permission to use, copy, modify, and distribute this software without |
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12 * changes for any purpose with or without fee is hereby granted, provided |
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13 * that the above copyright notice and this permission notice appear in all |
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14 * copies and any distributed versions or copies are either unchanged |
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15 * or not called anything similar to "DCC" or "Distributed Checksum |
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16 * Clearinghouse". |
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17 * |
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18 * Parties not eligible to receive a license under this agreement can |
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19 * obtain a commercial license to use DCC by contacting Rhyolite Software |
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20 * at sales@rhyolite.com. |
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21 * |
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22 * A commercial license would be for Distributed Checksum and Reputation |
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23 * Clearinghouse software. That software includes additional features. This |
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24 * free license for Distributed ChecksumClearinghouse Software does not in any |
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25 * way grant permision to use Distributed Checksum and Reputation Clearinghouse |
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26 * software |
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27 * |
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28 * THE SOFTWARE IS PROVIDED "AS IS" AND RHYOLITE SOFTWARE, LLC DISCLAIMS ALL |
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29 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES |
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30 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL RHYOLITE SOFTWARE, LLC |
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31 * BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES |
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32 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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33 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
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34 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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35 * SOFTWARE. |
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36 * |
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37 * Rhyolite Software DCC 1.3.103-1.27 $Revision$ |
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38 */ |
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39 |
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40 #include "dcc_defs.h" |
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41 #include "dcc_xhdr.h" |
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42 #include <ctype.h> |
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43 |
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44 |
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45 static struct tbl { |
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46 char nm[DCC_XHDR_MAX_TYPE_LEN]; |
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47 DCC_CK_TYPES type; |
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48 } tbl[] = { |
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49 {DCC_XHDR_TYPE_IP, DCC_CK_IP}, |
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50 {DCC_XHDR_TYPE_ENV_FROM, DCC_CK_ENV_FROM}, |
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51 {DCC_XHDR_TYPE_FROM, DCC_CK_FROM}, |
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52 {DCC_XHDR_TYPE_SUB, DCC_CK_SUB}, |
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53 {DCC_XHDR_TYPE_MESSAGE_ID, DCC_CK_MESSAGE_ID}, |
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54 {DCC_XHDR_TYPE_RECEIVED, DCC_CK_RECEIVED}, |
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55 {DCC_XHDR_TYPE_BODY, DCC_CK_BODY}, |
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56 {DCC_XHDR_TYPE_FUZ1, DCC_CK_FUZ1}, |
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57 {DCC_XHDR_TYPE_FUZ2, DCC_CK_FUZ2}, |
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58 {DCC_XHDR_TYPE_GREY_MSG, DCC_CK_G_MSG_R_TOTAL}, |
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59 {DCC_XHDR_TYPE_GREY_TRIPLE, DCC_CK_G_TRIPLE_R_BULK}, |
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60 {DCC_XHDR_TYPE_REP_TOTAL, DCC_CK_G_MSG_R_TOTAL}, |
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61 {DCC_XHDR_TYPE_REP_BULK, DCC_CK_G_TRIPLE_R_BULK}, |
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62 {DCC_XHDR_TYPE_ENV_TO, DCC_CK_ENV_TO}, /* same as DCC_CK_FLOD_PATH */ |
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63 {DCC_XHDR_TYPE_FLOD_PATH, DCC_CK_FLOD_PATH}, /* same as DCC_CK_ENV_TO */ |
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64 {DCC_XHDR_TYPE_SRVR_ID, DCC_CK_SRVR_ID}, |
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65 |
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66 {"ALL", SET_ALL_THOLDS}, |
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67 {"CMN", SET_CMN_THOLDS}, |
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68 }; |
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69 |
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70 |
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71 |
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72 static DCC_CK_TYPES |
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73 dcc_str2type_base(const char *str, |
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74 int len0) /* length or -1 */ |
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75 { |
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76 struct tbl *tp; |
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77 const char *tgtp, *nmp; |
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78 char tgtc, nmc, d; |
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79 int len, i; |
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80 |
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81 /* ignore leading blanks */ |
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82 i = strspn(str, DCC_WHITESPACE); |
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83 str += i; |
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84 if (len0 >= 0) { |
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85 len0 -= i; |
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86 if (len0 <= 0) |
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87 return DCC_CK_INVALID; |
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88 } |
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89 |
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90 for (tp = tbl; tp <= LAST(tbl); ++tp) { |
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91 nmp = tp->nm; |
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92 tgtp = str; |
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93 len = len0; |
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94 do { |
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95 if (len >= 0 && --len < 0) |
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96 tgtc = '\0'; |
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97 else |
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98 tgtc = *tgtp++; |
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99 nmc = *nmp++; |
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100 if (nmc == '\0') { |
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101 /* ignore trailing blanks and colons */ |
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102 while (tgtc == ':' || tgtc == ' ' |
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103 || tgtc == '\t' || tgtc == '\n') { |
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104 if (len >= 0 && --len < 0) |
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105 tgtc = '\0'; |
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106 else |
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107 tgtc = *tgtp++; |
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108 } |
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109 if (tgtc == '\0') |
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110 return tp->type; |
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111 break; |
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112 } |
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113 d = (nmc ^ tgtc); |
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114 } while (d == 0 || d == ('A' ^ 'a') |
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115 || ((nmc == '-' || nmc == '.' || nmc == '_') |
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116 && (tgtc == '-' || tgtc == '.' || tgtc == '_'))); |
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117 } |
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118 |
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119 return DCC_CK_INVALID; |
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120 } |
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121 |
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122 |
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123 |
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124 /* for whiteclnt files and dccsight */ |
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125 DCC_CK_TYPES |
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126 dcc_str2type_wf(const char *str, |
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127 int len0) /* length or -1 */ |
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128 { |
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129 DCC_CK_TYPES type; |
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130 |
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131 type = dcc_str2type_base(str, len0); |
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132 if (!DCC_CK_THOLD_OK(type) |
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133 && type != DCC_CK_ENV_TO) |
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134 return DCC_CK_INVALID; |
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135 return type; |
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136 } |
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137 |
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138 |
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139 |
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140 /* types that can be deleted in database */ |
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141 DCC_CK_TYPES |
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142 dcc_str2type_del(const char *str, |
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143 int len0) /* length or -1 */ |
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144 { |
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145 DCC_CK_TYPES type; |
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146 |
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147 type = dcc_str2type_base(str, len0); |
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148 if (!DCC_CK_THOLD_OK(type) |
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149 && type != DCC_CK_SRVR_ID) |
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150 return DCC_CK_INVALID; |
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151 return type; |
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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 /* for `dbclean -t type,...` `dccd -K type` `dccproc -g type` */ |
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157 DCC_CK_TYPES |
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158 dcc_str2type_db(const char *str, |
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159 int len0) /* length or -1 */ |
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160 { |
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161 DCC_CK_TYPES type; |
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162 |
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163 type = dcc_str2type_base(str, len0); |
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164 if (!DCC_CK_THOLD_OK(type)) |
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165 return DCC_CK_INVALID; |
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166 return type; |
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167 } |
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168 |
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169 |
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170 |
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171 /* for `dbclean -t type,...` and dccm, dccifd, and dccproc thresholds */ |
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172 DCC_CK_TYPES |
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173 dcc_str2type_thold(const char *str, |
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174 int len0) /* length or -1 */ |
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175 { |
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176 DCC_CK_TYPES type; |
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177 |
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178 type = dcc_str2type_base(str, len0); |
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179 if (!DCC_CK_THOLD_OK(type) |
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180 && type != SET_ALL_THOLDS |
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181 && type != SET_CMN_THOLDS) |
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182 return DCC_CK_INVALID; |
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183 return type; |
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184 } |