1 | /* |
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2 | * Copyright (c) 1992-1998 Michael A. Cooper. |
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3 | * This software may be freely used and distributed provided it is not |
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4 | * sold for profit or used in part or in whole for commercial gain |
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5 | * without prior written agreement, and the author is credited |
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6 | * appropriately. |
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7 | */ |
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8 | |
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9 | #ifndef lint |
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10 | static char *RCSid = "$Revision: 1.1.1.1 $"; |
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11 | #endif |
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12 | |
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13 | /* |
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14 | * sysctl(3) functions common to BSD implimentations (BSD/OS, FreeBSD, etc.) |
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15 | */ |
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16 | |
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17 | #include "defs.h" |
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18 | #include <sys/types.h> |
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19 | #include <sys/sysctl.h> |
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20 | #include <sys/time.h> |
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21 | #include <sys/socket.h> /* BSD/OS 3.1 */ |
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22 | #include <net/if.h> |
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23 | #include <net/if_dl.h> |
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24 | #include <net/route.h> |
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25 | #if defined(freebsd) |
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26 | #include <net/ethernet.h> |
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27 | #endif /* freebsd */ |
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28 | #if defined(VM_SWAPSTATS) |
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29 | #include <vm/swap_pager.h> |
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30 | #endif /* VM_SWAPSTATS */ |
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31 | |
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32 | /* |
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33 | * Use sysctl() to get MODEL. |
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34 | */ |
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35 | extern char *GetModelSysCtl() |
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36 | { |
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37 | int Query[2]; |
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38 | static char Model[128]; |
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39 | size_t Length = sizeof(Model); |
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40 | |
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41 | Query[0] = CTL_HW; |
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42 | Query[1] = HW_MODEL; |
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43 | if (sysctl(Query, 2, Model, &Length, NULL, 0) == -1) { |
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44 | SImsg(SIM_GERR, "sysctl CTL_HW.HW_MODEL failed: %s", SYSERR); |
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45 | return((char *) NULL); |
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46 | } |
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47 | |
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48 | return(Model); |
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49 | } |
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50 | |
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51 | /* |
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52 | * Use sysctl() to get Number of CPUs |
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53 | */ |
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54 | extern char *GetNcpuSysCtl() |
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55 | { |
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56 | int Query[2]; |
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57 | int NumCpu = 0; |
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58 | size_t Length = sizeof(NumCpu); |
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59 | |
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60 | Query[0] = CTL_HW; |
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61 | Query[1] = HW_NCPU; |
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62 | if (sysctl(Query, 2, &NumCpu, &Length, NULL, 0) == -1) { |
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63 | SImsg(SIM_GERR, "sysctl CTL_HW.HW_NCPU failed: %s", SYSERR); |
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64 | return((char *) NULL); |
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65 | } |
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66 | |
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67 | return(itoa(NumCpu)); |
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68 | } |
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69 | |
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70 | /* |
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71 | * Use sysctl() to get the Kernel Version |
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72 | */ |
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73 | extern char *GetKernVerSysCtl() |
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74 | { |
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75 | int Query[2]; |
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76 | static char Version[256]; |
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77 | size_t Length = sizeof(Version); |
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78 | |
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79 | Query[0] = CTL_KERN; |
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80 | Query[1] = KERN_VERSION; |
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81 | if (sysctl(Query, 2, Version, &Length, NULL, 0) == -1) { |
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82 | SImsg(SIM_GERR, "sysctl CTL_KERN.KERN_MODEL failed: %s", SYSERR); |
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83 | return((char *) NULL); |
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84 | } |
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85 | |
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86 | return(Version); |
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87 | } |
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88 | |
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89 | /* |
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90 | * Use sysctl() to get the OS Distribution |
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91 | */ |
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92 | extern char *GetOSDistSysCtl() |
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93 | { |
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94 | int Query[2]; |
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95 | int Dist = 0; |
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96 | size_t Length = sizeof(Dist); |
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97 | |
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98 | Query[0] = CTL_KERN; |
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99 | Query[1] = KERN_OSREV; |
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100 | if (sysctl(Query, 2, &Dist, &Length, NULL, 0) == -1) { |
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101 | SImsg(SIM_GERR, "sysctl CTL_KERN.KERN_OSREV failed: %s", SYSERR); |
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102 | return((char *) NULL); |
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103 | } |
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104 | |
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105 | return(itoa(Dist)); |
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106 | } |
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107 | |
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108 | /* |
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109 | * Use sysctl() to get the Memory |
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110 | */ |
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111 | extern char *GetMemorySysCtl() |
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112 | { |
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113 | int Query[2]; |
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114 | int Memory = 0; |
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115 | Large_t Amount; |
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116 | size_t Length = sizeof(Memory); |
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117 | |
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118 | Query[0] = CTL_HW; |
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119 | Query[1] = HW_PHYSMEM; |
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120 | if (sysctl(Query, 2, &Memory, &Length, NULL, 0) == -1) { |
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121 | SImsg(SIM_GERR, "sysctl CTL_HW.HW_PHYSMEM failed: %s", SYSERR); |
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122 | return((char *) NULL); |
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123 | } |
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124 | |
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125 | Amount = DivRndUp(Memory, (Large_t)MBYTES); |
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126 | |
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127 | return(GetMemoryStr(Amount)); |
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128 | } |
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129 | |
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130 | /* |
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131 | * Use sysctl() to get the Virtual Memory |
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132 | */ |
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133 | extern char *GetVirtMemSysCtl() |
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134 | { |
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135 | #if defined(VM_SWAPSTATS) |
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136 | int Query[2]; |
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137 | struct swapstats Swap; |
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138 | size_t Length = sizeof(Swap); |
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139 | Large_t Amount; |
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140 | |
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141 | Query[0] = CTL_VM; |
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142 | Query[1] = VM_SWAPSTATS; |
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143 | if (sysctl(Query, 2, &Swap, &Length, NULL, 0) == -1) { |
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144 | SImsg(SIM_GERR, "sysctl CTL_Vm.VM_SWAPSTATS failed: %s", SYSERR); |
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145 | return((char *) NULL); |
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146 | } |
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147 | |
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148 | Amount = DivRndUp(Swap.swap_total * 512, (Large_t)MBYTES); |
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149 | |
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150 | return(GetMemoryStr(Amount)); |
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151 | #else |
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152 | return((char *) NULL); |
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153 | #endif /* VM_SWAPSTATS */ |
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154 | } |
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155 | |
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156 | /* |
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157 | * Use sysctl() to get the Boot Time |
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158 | */ |
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159 | extern char *GetBootTimeSysCtl() |
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160 | { |
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161 | int Query[2]; |
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162 | struct timeval TimeVal; |
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163 | time_t Time; |
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164 | size_t Length = sizeof(TimeVal); |
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165 | char *TimeStr; |
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166 | register char *cp; |
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167 | |
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168 | Query[0] = CTL_KERN; |
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169 | Query[1] = KERN_BOOTTIME; |
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170 | if (sysctl(Query, 2, &TimeVal, &Length, NULL, 0) == -1) { |
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171 | SImsg(SIM_GERR, "sysctl CTL_KERN.KERN_BOOTTIME failed: %s", SYSERR); |
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172 | return((char *) NULL); |
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173 | } |
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174 | |
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175 | Time = (time_t) TimeVal.tv_sec; |
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176 | TimeStr = ctime(&Time); |
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177 | if (cp = strchr(TimeStr, '\n')) |
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178 | *cp = CNULL; |
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179 | |
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180 | return(TimeStr); |
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181 | } |
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182 | |
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183 | /* |
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184 | * Use sysctl(3) to retrieve the MAC Info for a network interface. |
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185 | * This is based on code from FreeBSD 2.2.6 ifconfig(8). |
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186 | * This is totally convoluted! Yuck! |
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187 | */ |
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188 | extern void SetMacInfoSysCtl(DevInfo, NetIf) |
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189 | DevInfo_t *DevInfo; |
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190 | NetIF_t *NetIf; |
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191 | { |
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192 | static char Ether[128]; |
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193 | static char EtherName[128]; |
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194 | #if defined(HAVE_ETHER_NTOHOST) |
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195 | struct ether_addr EtherAddr; |
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196 | #endif /* HAVE_ETHER_NTOHOST */ |
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197 | register char *cp; |
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198 | register int n; |
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199 | register int Len; |
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200 | struct if_msghdr *ifm, *nextifm; |
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201 | struct ifa_msghdr *ifam; |
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202 | struct sockaddr_dl *sdl; |
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203 | char *buf, *lim, *next; |
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204 | size_t needed; |
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205 | int mib[6]; |
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206 | |
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207 | mib[0] = CTL_NET; |
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208 | mib[1] = PF_ROUTE; |
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209 | mib[2] = 0; |
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210 | mib[3] = AF_INET; /* address family */ |
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211 | mib[4] = NET_RT_IFLIST; |
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212 | mib[5] = 0; |
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213 | if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { |
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214 | SImsg(SIM_GERR, "%s: sysctl get iflist estimate failed: %s", |
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215 | DevInfo->Name, SYSERR); |
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216 | return; |
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217 | } |
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218 | buf = (char *) xmalloc(needed); |
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219 | if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { |
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220 | SImsg(SIM_GERR, "%s: sysctl retrieve iflist table failed: %s", |
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221 | DevInfo->Name, SYSERR); |
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222 | return; |
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223 | } |
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224 | lim = buf + needed; |
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225 | |
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226 | next = buf; |
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227 | while (next < lim) { |
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228 | |
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229 | ifm = (struct if_msghdr *)next; |
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230 | |
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231 | if (ifm->ifm_type == RTM_IFINFO) { |
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232 | sdl = (struct sockaddr_dl *)(ifm + 1); |
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233 | } else { |
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234 | SImsg(SIM_GERR, |
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235 | "%s: Cannot get MAC info: out of sync parsing NET_RT_IFLIST.", |
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236 | DevInfo->Name); |
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237 | return; |
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238 | } |
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239 | |
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240 | next += ifm->ifm_msglen; |
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241 | ifam = NULL; |
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242 | while (next < lim) { |
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243 | |
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244 | nextifm = (struct if_msghdr *)next; |
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245 | |
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246 | if (nextifm->ifm_type != RTM_NEWADDR) |
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247 | break; |
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248 | |
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249 | if (ifam == NULL) |
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250 | ifam = (struct ifa_msghdr *)nextifm; |
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251 | |
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252 | next += nextifm->ifm_msglen; |
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253 | } |
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254 | |
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255 | if (EQN(DevInfo->Name, sdl->sdl_data, sdl->sdl_nlen)) { |
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256 | /* Found it */ |
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257 | cp = (char *)LLADDR(sdl); |
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258 | if ((n = sdl->sdl_alen) > 0) { |
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259 | Ether[0] = CNULL; |
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260 | while (--n >= 0) { |
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261 | Len = strlen(Ether); |
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262 | (void) snprintf(&Ether[Len], sizeof(Ether)-Len, |
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263 | "%02x%s", *cp++ & 0xff, n > 0 ? ":" : ""); |
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264 | } |
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265 | |
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266 | NetIf->MACaddr = strdup(Ether); |
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267 | #if defined(HAVE_ETHER_NTOHOST) |
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268 | memcpy(&EtherAddr.octet, LLADDR(sdl), ETHER_ADDR_LEN); |
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269 | if (ether_ntohost(EtherName, &EtherAddr) == 0) |
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270 | NetIf->MACname = strdup(EtherName); |
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271 | #endif /* HAVE_ETHER_NTOHOST */ |
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272 | } |
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273 | break; |
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274 | } |
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275 | } |
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276 | (void) free(buf); |
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277 | } |
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