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1 /* |
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2 * err.c |
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3 * |
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4 * error status reporting functions |
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5 * |
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6 * David A. McGrew |
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7 * Cisco Systems, Inc. |
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8 */ |
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9 /* |
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10 * |
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11 * Copyright(c) 2001-2006 Cisco Systems, Inc. |
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12 * All rights reserved. |
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13 * |
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14 * Redistribution and use in source and binary forms, with or without |
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15 * modification, are permitted provided that the following conditions |
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16 * are met: |
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17 * |
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18 * Redistributions of source code must retain the above copyright |
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19 * notice, this list of conditions and the following disclaimer. |
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20 * |
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21 * Redistributions in binary form must reproduce the above |
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22 * copyright notice, this list of conditions and the following |
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23 * disclaimer in the documentation and/or other materials provided |
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24 * with the distribution. |
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25 * |
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26 * Neither the name of the Cisco Systems, Inc. nor the names of its |
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27 * contributors may be used to endorse or promote products derived |
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28 * from this software without specific prior written permission. |
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29 * |
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30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
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35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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41 * OF THE POSSIBILITY OF SUCH DAMAGE. |
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42 * |
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43 */ |
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44 |
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45 #include "err.h" |
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46 |
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47 #ifdef ERR_REPORTING_SYSLOG |
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48 # ifdef HAVE_SYSLOG_H |
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49 # include <syslog.h> |
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50 # endif |
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51 #endif |
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52 |
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53 |
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54 /* err_level reflects the level of errors that are reported */ |
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55 |
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56 err_reporting_level_t err_level = err_level_none; |
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57 |
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58 #ifdef SRTP_KERNEL_LINUX |
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59 err_status_t |
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60 err_reporting_init(char *ident) { |
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61 |
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62 return err_status_ok; |
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63 } |
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64 |
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65 #else /* SRTP_KERNEL_LINUX */ |
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66 |
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67 /* err_file is the FILE to which errors are reported */ |
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68 |
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69 static FILE *err_file = NULL; |
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70 |
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71 err_status_t |
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72 err_reporting_init(char *ident) { |
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73 #ifdef ERR_REPORTING_SYSLOG |
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74 openlog(ident, LOG_PID, LOG_AUTHPRIV); |
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75 #endif |
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76 |
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77 /* |
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78 * Believe it or not, openlog doesn't return an error on failure. |
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79 * But then, neither does the syslog() call... |
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80 */ |
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81 |
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82 #ifdef ERR_REPORTING_STDOUT |
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83 err_file = stdout; |
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84 #elif defined(USE_ERR_REPORTING_FILE) |
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85 /* open file for error reporting */ |
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86 err_file = fopen(ERR_REPORTING_FILE, "w"); |
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87 if (err_file == NULL) |
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88 return err_status_init_fail; |
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89 #endif |
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90 |
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91 return err_status_ok; |
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92 } |
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93 |
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94 void |
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95 err_report(int priority, char *format, ...) { |
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96 va_list args; |
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97 |
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98 if ((err_reporting_level_t)priority <= err_level) { |
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99 |
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100 va_start(args, format); |
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101 if (err_file != NULL) { |
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102 vfprintf(err_file, format, args); |
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103 /* fprintf(err_file, "\n"); */ |
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104 } |
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105 #ifdef ERR_REPORTING_SYSLOG |
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106 if (1) { /* FIXME: Make this a runtime option. */ |
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107 int syslogpri; |
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108 |
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109 switch (priority) { |
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110 case err_level_emergency: |
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111 syslogpri = LOG_EMERG; |
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112 break; |
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113 case err_level_alert: |
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114 syslogpri = LOG_ALERT; |
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115 break; |
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116 case err_level_critical: |
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117 syslogpri = LOG_CRIT; |
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118 break; |
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119 case err_level_error: |
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120 syslogpri = LOG_ERR; |
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121 break; |
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122 case err_level_warning: |
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123 syslogpri = LOG_WARNING; |
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124 break; |
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125 case err_level_notice: |
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126 syslogpri = LOG_NOTICE; |
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127 break; |
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128 case err_level_info: |
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129 syslogpri = LOG_INFO; |
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130 break; |
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131 case err_level_debug: |
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132 case err_level_none: |
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133 default: |
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134 syslogpri = LOG_DEBUG; |
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135 break; |
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136 } |
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137 |
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138 vsyslog(syslogpri, format, args); |
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139 #endif |
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140 va_end(args); |
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141 } |
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142 } |
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143 #endif /* SRTP_KERNEL_LINUX */ |
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144 |
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145 void |
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146 err_reporting_set_level(err_reporting_level_t lvl) { |
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147 err_level = lvl; |
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148 } |