1 | #include "globals.h"
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2 | #ifdef CS_WITH_GBOX
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3 | # include "csgbox/gbox.h"
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4 | # define CS_VERSION_X CS_VERSION "-gbx-" GBXVERSION
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5 | #else
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6 | # define CS_VERSION_X CS_VERSION
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7 | #endif
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8 |
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9 | static int auth=0;
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10 |
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11 | static void monitor_check_ip()
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12 | {
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13 | int ok=0;
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14 | struct s_ip *p_ip;
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15 |
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16 | if (auth) return;
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17 | for (p_ip=cfg->mon_allowed; (p_ip) && (!ok); p_ip=p_ip->next)
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18 | ok=((client[cs_idx].ip>=p_ip->ip[0]) && (client[cs_idx].ip<=p_ip->ip[1]));
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19 | if (!ok)
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20 | {
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21 | cs_auth_client((struct s_auth *)0, "invalid ip");
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22 | cs_exit(0);
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23 | }
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24 | }
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25 |
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26 | static void monitor_auth_client(char *usr, char *pwd)
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27 | {
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28 | struct s_auth *account;
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29 |
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30 | if (auth) return;
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31 | if ((!usr) || (!pwd))
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32 | {
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33 | cs_auth_client((struct s_auth *)0, NULL);
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34 | cs_exit(0);
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35 | }
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36 | for (account=cfg->account, auth=0; (account) && (!auth);)
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37 | {
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38 | if (account->monlvl)
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39 | auth=!(strcmp(usr, account->usr) | strcmp(pwd, account->pwd));
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40 | if (!auth)
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41 | account=account->next;
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42 | }
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43 | if (!auth)
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44 | {
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45 | cs_auth_client((struct s_auth *)0, "invalid account");
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46 | cs_exit(0);
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47 | }
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48 | if (cs_auth_client(account, NULL))
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49 | cs_exit(0);
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50 | }
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51 |
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52 | static int secmon_auth_client(uchar *ucrc)
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53 | {
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54 | ulong crc;
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55 | struct s_auth *account;
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56 |
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57 | if (auth)
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58 | {
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59 | int s=memcmp(client[cs_idx].ucrc, ucrc, 4);
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60 | if (s)
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61 | cs_log("wrong user-crc or garbage !?");
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62 | return(!s);
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63 | }
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64 | client[cs_idx].crypted=1;
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65 | crc=(ucrc[0]<<24) | (ucrc[1]<<16) | (ucrc[2]<<8) | ucrc[3];
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66 | for (account=cfg->account; (account) && (!auth); account=account->next)
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67 | if ((account->monlvl) &&
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68 | (crc==crc32(0L, MD5((unsigned char *)account->usr, strlen(account->usr), NULL), 16)))
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69 | {
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70 | memcpy(client[cs_idx].ucrc, ucrc, 4);
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71 | aes_set_key((char *)MD5((unsigned char *)account->pwd, strlen(account->pwd), NULL));
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72 | if (cs_auth_client(account, NULL))
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73 | cs_exit(0);
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74 | auth=1;
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75 | }
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76 | if (!auth)
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77 | {
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78 | cs_auth_client((struct s_auth *)0, "invalid user");
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79 | cs_exit(0);
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80 | }
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81 | return(auth);
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82 | }
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83 |
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84 | int monitor_send_idx(int idx, char *txt)
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85 | {
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86 | int l;
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87 | unsigned char buf[256+32];
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88 | if (!client[idx].udp_fd)
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89 | return(-1);
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90 | usleep(500L); // avoid lost udp-pakets ..
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91 | if (!client[idx].crypted)
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92 | return(sendto(client[idx].udp_fd, txt, strlen(txt), 0,
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93 | (struct sockaddr *)&client[idx].udp_sa,
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94 | sizeof(client[idx].udp_sa)));
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95 | buf[0]='&';
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96 | buf[9]=l=strlen(txt);
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97 | l=boundary(4, l+5)+5;
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98 | memcpy(buf+1, client[idx].ucrc, 4);
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99 | strcpy((char *)buf+10, txt);
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100 | memcpy(buf+5, i2b(4, crc32(0L, buf+10, l-10)), 4);
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101 | aes_encrypt_idx(idx, buf+5, l-5);
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102 | return(sendto(client[idx].udp_fd, buf, l, 0,
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103 | (struct sockaddr *)&client[idx].udp_sa,
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104 | sizeof(client[idx].udp_sa)));
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105 | }
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106 |
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107 | #define monitor_send(t) monitor_send_idx(cs_idx, t)
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108 |
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109 | static int monitor_recv(uchar *buf, int l)
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110 | {
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111 | int n;
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112 | uchar nbuf[3] = { 'U', 0, 0 };
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113 | static int bpos=0;
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114 | static uchar *bbuf=NULL;
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115 | if (!bbuf)
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116 | {
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117 | bbuf=(uchar *)malloc(l);
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118 | if (!bbuf)
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119 | {
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120 | cs_log("Cannot allocate memory (errno=%d)", errno);
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121 | cs_exit(1);
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122 | }
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123 | }
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124 | if (bpos)
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125 | memcpy(buf, bbuf, n=bpos);
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126 | else
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127 | n=recv_from_udpipe(buf, l);
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128 | bpos=0;
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129 | if (!n) return(buf[0]=0);
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130 | if (buf[0]=='&')
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131 | {
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132 | int bsize;
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133 | if (n<21) // 5+16 is minimum
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134 | {
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135 | cs_log("packet to short !");
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136 | return(buf[0]=0);
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137 | }
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138 | if (!secmon_auth_client(buf+1))
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139 | return(buf[0]=0);
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140 | aes_decrypt(buf+5, 16);
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141 | bsize=boundary(4, buf[9]+5)+5;
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142 | // cs_log("n=%d bsize=%d", n, bsize);
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143 | if (n>bsize)
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144 | {
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145 | // cs_log("DO >>>> copy-back");
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146 | memcpy(bbuf, buf+bsize, bpos=n-bsize);
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147 | n=bsize;
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148 | if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
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149 | }
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150 | else if (n<bsize)
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151 | {
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152 | cs_log("packet-size mismatch !");
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153 | return(buf[0]=0);
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154 | }
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155 | aes_decrypt(buf+21, n-21);
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156 | if (memcmp(buf+5, i2b(4, crc32(0L, buf+10, n-10)), 4))
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157 | {
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158 | cs_log("CRC error ! wrong password ?");
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159 | return(buf[0]=0);
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160 | }
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161 | n=buf[9];
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162 | memmove(buf, buf+10, n);
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163 | }
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164 | else
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165 | {
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166 | uchar *p;
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167 | monitor_check_ip();
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168 | buf[n]='\0';
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169 | if ((p=(uchar *)strchr((char *)buf, 10)) && (bpos=n-(p-buf)-1))
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170 | {
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171 | memcpy(bbuf, p+1, bpos);
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172 | n=p-buf;
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173 | if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
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174 | }
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175 | }
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176 | buf[n]='\0';
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177 | if (n=strlen(trim((char *)buf)))
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178 | client[cs_idx].last=time((time_t *) 0);
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179 | return(n);
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180 | }
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181 |
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182 | static void monitor_send_info(char *txt, int last)
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183 | {
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184 | static int seq=0, counter=0;
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185 | static char btxt[256] = {0};
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186 | char buf[8];
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187 | if (txt)
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188 | {
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189 | if (!btxt[0])
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190 | {
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191 | counter=0;
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192 | txt[2]='B';
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193 | }
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194 | else
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195 | counter++;
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196 | sprintf(buf, "%03d", counter);
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197 | memcpy(txt+4, buf, 3);
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198 | txt[3]='0'+seq;
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199 | }
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200 | else
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201 | if (!last)
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202 | return;
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203 |
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204 | if (!last)
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205 | {
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206 | if (btxt[0]) monitor_send(btxt);
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207 | strncpy(btxt, txt, sizeof(btxt));
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208 | return;
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209 | }
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210 |
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211 | if (txt && btxt[0])
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212 | {
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213 | monitor_send(btxt);
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214 | txt[2]='E';
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215 | strncpy(btxt, txt, sizeof(btxt));
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216 | }
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217 | else
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218 | {
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219 | if (txt)
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220 | strncpy(btxt, txt, sizeof(btxt));
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221 | btxt[2]=(btxt[2]=='B') ? 'S' : 'E';
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222 | }
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223 |
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224 | if (btxt[0])
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225 | {
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226 | monitor_send(btxt);
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227 | seq=(seq+1)%10;
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228 | }
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229 | btxt[0]=0;
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230 | }
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231 |
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232 | static int cs_idx2ridx(int idx)
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233 | {
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234 | int i;
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235 | for (i=0; i<CS_MAXREADER; i++)
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236 | if (reader[i].cs_idx==idx)
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237 | return(i);
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238 | return(-1);
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239 | }
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240 |
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241 | static char *monitor_get_srvname(int id)
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242 | {
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243 | struct s_srvid *this=cfg->srvid;
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244 | static char name[83];
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245 | for (name[0]=0; this && (this->next) && (!name[0]); this=this->next)
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246 | if (this->srvid==id)
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247 | strncpy(name, this->name, 32);
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248 | if (!name[0]) sprintf(name, "[%04X]", id);
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249 | if (!id) name[0]='\0';
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250 | return(name);
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251 | }
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252 |
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253 | static char *monitor_get_proto(int idx)
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254 | {
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255 | int i;
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256 | char *ctyp;
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257 | switch(client[idx].typ)
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258 | {
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259 | case 's': ctyp="server" ; break;
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260 | case 'n': ctyp="resolver" ; break;
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261 | case 'l': ctyp="logger" ; break;
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262 | case 'p':
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263 | case 'r': if ((i=cs_idx2ridx(idx))<0) // should never happen
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264 | ctyp=(client[idx].typ=='p') ? "proxy" : "reader";
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265 | else
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266 | {
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267 | switch(reader[i].typ) // TODO like ph
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268 | {
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269 | case R_MOUSE : ctyp="mouse"; break;
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270 | case R_INTERN : ctyp="intern"; break;
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271 | case R_SMART : ctyp="smartreader"; break;
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272 | case R_CAMD35 : ctyp="camd 3.5x";break;
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273 | case R_CAMD33 : ctyp="camd 3.3x";break;
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274 | case R_NEWCAMD : ctyp="newcamd"; break;
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275 | case R_RADEGAST: ctyp="radegast"; break;
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276 | case R_SERIAL : ctyp="serial"; break;
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277 | case R_GBOX : ctyp="gbox"; break;
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278 | default : ctyp="unknown"; break;
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279 | }
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280 | }
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281 | break;
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282 | default : ctyp=ph[client[idx].ctyp].desc;
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283 | }
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284 | return(ctyp);
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285 | }
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286 |
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287 | static char *monitor_client_info(char id, int i)
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288 | {
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289 | static char sbuf[256];
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290 |
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291 | sbuf[0]='\0';
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292 | if (client[i].pid)
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293 | {
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294 | char ldate[16], ltime[16], *usr;
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295 | int lsec, isec, cnr, con, cau;
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296 | time_t now;
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297 | struct tm *lt;
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298 | now=time((time_t)0);
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299 |
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300 | if ((cfg->mon_hideclient_to <= 0) ||
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301 | (((now-client[i].lastecm)/60)<cfg->mon_hideclient_to) ||
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302 | (((now-client[i].lastemm)/60)<cfg->mon_hideclient_to) ||
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303 | (client[i].typ!='c'))
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304 | {
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305 | lsec=now-client[i].login;
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306 | isec=now-client[i].last;
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307 | usr=client[i].usr;
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308 | if (((client[i].typ=='r') || (client[i].typ=='p')) &&
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309 | (con=cs_idx2ridx(i))>=0)
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310 | usr=reader[con].label;
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311 | if (client[i].dup)
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312 | con=2;
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313 | else
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314 | if ((client[i].tosleep) &&
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315 | (now-client[i].lastswitch>client[i].tosleep))
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316 | con=1;
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317 | else
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318 | con=0;
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319 | if (i-cdiff>0)
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320 | cnr=i-cdiff;
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321 | else
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322 | cnr=(i>1) ? i-1 : 0;
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323 | if( (cau=client[i].au+1) )
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324 | if ((now-client[i].lastemm)/60>cfg->mon_aulow)
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325 | cau=-cau;
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326 | lt=localtime(&client[i].login);
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327 | sprintf(ldate, "%2d.%02d.%02d",
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328 | lt->tm_mday, lt->tm_mon+1, lt->tm_year % 100);
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329 | sprintf(ltime, "%2d:%02d:%02d",
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330 | lt->tm_hour, lt->tm_min, lt->tm_sec);
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331 | sprintf(sbuf, "[%c--CCC]%d|%c|%d|%s|%d|%d|%s|%d|%s|%s|%s|%d|%04X:%04X|%s|%d|%d\n",
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332 | id, client[i].pid, client[i].typ, cnr, usr, cau, client[i].crypted,
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333 | cs_inet_ntoa(client[i].ip), client[i].port, monitor_get_proto(i),
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334 | ldate, ltime, lsec, client[i].last_caid, client[i].last_srvid,
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335 | monitor_get_srvname(client[i].last_srvid), isec, con);
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336 | }
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337 | }
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338 | return(sbuf);
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339 | }
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340 |
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341 | static void monitor_process_info()
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342 | {
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343 | int i;
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344 | time_t now;
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345 |
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346 | now=time((time_t)0);
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347 | for (i=0; i<CS_MAXPID; i++)
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348 | if ((cfg->mon_hideclient_to <= 0) ||
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349 | (((now-client[i].lastecm)/60)<cfg->mon_hideclient_to) ||
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350 | (((now-client[i].lastemm)/60)<cfg->mon_hideclient_to) ||
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351 | (client[i].typ!='c'))
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352 | if (client[i].pid)
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353 | {
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354 | if ((client[cs_idx].monlvl<2) && (client[i].typ!='s'))
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355 | {
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356 | if ((strcmp(client[cs_idx].usr, client[i].usr)) ||
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357 | ((client[i].typ!='c') && (client[i].typ!='m')))
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358 | continue;
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359 | }
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360 | monitor_send_info(monitor_client_info('I', i), 0);
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361 | }
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362 | monitor_send_info(NULL, 1);
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363 | }
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364 |
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365 | static void monitor_send_details(char *txt, int pid)
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366 | {
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367 | char buf[256];
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368 | snprintf(buf, 255, "[D-----]%d|%s\n", pid, txt);
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369 | monitor_send_info(buf, 0);
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370 | }
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371 |
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372 | static void monitor_process_details_master(char *buf, int pid)
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373 | {
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374 | if (cfg->nice!=99)
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375 | sprintf(buf+200, ", nice=%d", cfg->nice);
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376 | else
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377 | buf[200]='\0';
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378 | sprintf(buf, "version=%s, system=%s%s", CS_VERSION_X, cs_platform(buf+100), buf+200);
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379 | monitor_send_details(buf, pid);
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380 |
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381 | sprintf(buf, "max. clients=%d, client max. idle=%d sec", CS_MAXPID-2, cfg->cmaxidle);
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382 | monitor_send_details(buf, pid);
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383 |
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384 | if( cfg->max_log_size )
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385 | sprintf(buf+200, "%d Kb", cfg->max_log_size);
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386 | else
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387 | strcpy(buf+200, "unlimited");
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388 | sprintf(buf, "max. logsize=%s", buf+200);
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389 | monitor_send_details(buf, pid);
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390 |
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391 | sprintf(buf, "client timeout=%lu ms, cache delay=%ld ms", cfg->ctimeout, cfg->delay);
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392 | monitor_send_details(buf, pid);
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393 |
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394 | //#ifdef CS_NOSHM
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395 | // sprintf(buf, "shared memory initialized (size=%d, fd=%d)", shmsize, shmid);
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396 | //#else
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397 | // sprintf(buf, "shared memory initialized (size=%d, id=%d)", shmsize, shmid);
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398 | //#endif
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399 | // monitor_send_details(buf, pid);
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400 | }
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401 |
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402 | #ifdef CS_RDR_INIT_HIST
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403 | static void monitor_process_details_reader(int pid, int idx)
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404 | {
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405 | int r_idx;
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406 | char *p;
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407 | if ((r_idx=cs_idx2ridx(idx))>=0)
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408 | for (p=(char *)reader[r_idx].init_history; *p; p+=strlen(p)+1)
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409 | monitor_send_details(p, pid);
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410 | else
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411 | monitor_send_details("Missing reader index !", pid);
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412 | }
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413 | #endif
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414 |
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415 | static void monitor_process_details(char *arg)
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416 | {
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417 | int pid, idx, val;
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418 | char sbuf[256];
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419 | if (!arg) return;
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420 | if ((idx=idx_from_pid(pid=atoi(arg)))<0)
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421 | monitor_send_details("Invalid PID", pid);
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422 | else
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423 | {
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424 | monitor_send_info(monitor_client_info('D', idx), 0);
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425 | switch(client[idx].typ)
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426 | {
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427 | case 's':
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428 | monitor_process_details_master(sbuf, pid);
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429 | break;
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430 | case 'c': case 'm':
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431 | break;
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432 | case 'r':
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433 | #ifdef CS_RDR_INIT_HIST
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434 | monitor_process_details_reader(pid, idx);
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435 | #endif
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436 | break;
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437 | case 'p':
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438 | break;
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439 | }
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440 | }
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441 | monitor_send_info(NULL, 1);
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442 | }
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443 |
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444 | static void monitor_send_login(void)
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445 | {
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446 | char buf[64];
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447 | if (auth)
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448 | sprintf(buf, "[A-0000]1|%s logged in\n", client[cs_idx].usr);
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449 | else
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450 | strcpy(buf, "[A-0000]0|not logged in\n");
|
---|
451 | monitor_send_info(buf, 1);
|
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452 | }
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453 |
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454 | static void monitor_login(char *usr)
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455 | {
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456 | char *pwd=NULL;
|
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457 | if ((usr) && (pwd=strchr(usr, ' ')))
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458 | *pwd++=0;
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459 | if (pwd)
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460 | monitor_auth_client(trim(usr), trim(pwd));
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461 | else
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462 | monitor_auth_client(NULL, NULL);
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463 | monitor_send_login();
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464 | }
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465 |
|
---|
466 | static void monitor_logsend(char *flag)
|
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467 | {
|
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468 | #ifdef CS_LOGHISTORY
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469 | int i;
|
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470 | #endif
|
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471 | if (strcmp(flag, "on"))
|
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472 | {
|
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473 | client[cs_idx].log=0;
|
---|
474 | return;
|
---|
475 | }
|
---|
476 | if (client[cs_idx].log) // already on
|
---|
477 | return;
|
---|
478 | #ifdef CS_LOGHISTORY
|
---|
479 | for (i=(*loghistidx+3) % CS_MAXLOGHIST; i!=*loghistidx; i=(i+1) % CS_MAXLOGHIST)
|
---|
480 | {
|
---|
481 | char *p_usr, *p_txt;
|
---|
482 | p_usr=(char *)(loghist+(i*CS_LOGHISTSIZE));
|
---|
483 | p_txt=p_usr+32;
|
---|
484 | if ((p_txt[0]) &&
|
---|
485 | ((client[cs_idx].monlvl>1) || (!strcmp(p_usr, client[cs_idx].usr))))
|
---|
486 | {
|
---|
487 | char sbuf[8];
|
---|
488 | sprintf(sbuf, "%03d", client[cs_idx].logcounter);
|
---|
489 | client[cs_idx].logcounter=(client[cs_idx].logcounter+1) % 1000;
|
---|
490 | memcpy(p_txt+4, sbuf, 3);
|
---|
491 | monitor_send(p_txt);
|
---|
492 | }
|
---|
493 | }
|
---|
494 | #endif
|
---|
495 | client[cs_idx].log=1;
|
---|
496 | }
|
---|
497 |
|
---|
498 | static int monitor_process_request(char *req)
|
---|
499 | {
|
---|
500 | int i, rc;
|
---|
501 | char *cmd[]={"login", "exit", "log", "status", "shutdown", "reload", "details"};
|
---|
502 | // char *cmd[]={"login", "exit", "log", "status", "shutdown", "reload"};
|
---|
503 | char *arg;
|
---|
504 | if( (arg=strchr(req, ' ')) )
|
---|
505 | {
|
---|
506 | *arg++=0;
|
---|
507 | trim(arg);
|
---|
508 | }
|
---|
509 | trim(req);
|
---|
510 | if ((!auth) && (strcmp(req, cmd[0])))
|
---|
511 | monitor_login(NULL);
|
---|
512 | for (rc=1, i=0; i<7; i++)
|
---|
513 | if (!strcmp(req, cmd[i]))
|
---|
514 | {
|
---|
515 | switch(i)
|
---|
516 | {
|
---|
517 | case 0: monitor_login(arg); break;
|
---|
518 | case 1: rc=0; break;
|
---|
519 | case 2: monitor_logsend(arg); break;
|
---|
520 | case 3: monitor_process_info(); break;
|
---|
521 | case 4: if (client[cs_idx].monlvl>3)
|
---|
522 | kill(client[0].pid, SIGQUIT);
|
---|
523 | break;
|
---|
524 | case 5: if (client[cs_idx].monlvl>2)
|
---|
525 | kill(client[0].pid, SIGHUP);
|
---|
526 | break;
|
---|
527 | case 6: monitor_process_details(arg); break;
|
---|
528 | default: continue;
|
---|
529 | }
|
---|
530 | break;
|
---|
531 | }
|
---|
532 | return(rc);
|
---|
533 | }
|
---|
534 |
|
---|
535 | static void monitor_server()
|
---|
536 | {
|
---|
537 | int n;
|
---|
538 | client[cs_idx].typ='m';
|
---|
539 | while (((n=process_input(mbuf, sizeof(mbuf), cfg->cmaxidle))>=0) &&
|
---|
540 | monitor_process_request((char *)mbuf));
|
---|
541 | cs_disconnect_client();
|
---|
542 | }
|
---|
543 |
|
---|
544 | void module_monitor(struct s_module *ph)
|
---|
545 | {
|
---|
546 | static PTAB ptab;
|
---|
547 | ptab.ports[0].s_port = cfg->mon_port;
|
---|
548 | ph->ptab = &ptab;
|
---|
549 | ph->ptab->nports = 1;
|
---|
550 |
|
---|
551 | if (cfg->mon_aulow<1)
|
---|
552 | cfg->mon_aulow=30;
|
---|
553 | strcpy(ph->desc, "monitor");
|
---|
554 | ph->type=MOD_CONN_UDP;
|
---|
555 | ph->multi=0;
|
---|
556 | ph->watchdog=1;
|
---|
557 | ph->s_ip=cfg->mon_srvip;
|
---|
558 | ph->s_handler=monitor_server;
|
---|
559 | ph->recv=monitor_recv;
|
---|
560 | // ph->send_dcw=NULL;
|
---|
561 | }
|
---|