[8] | 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(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(MD5(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(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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[56] | 148 | if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
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[8] | 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=strchr(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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[56] | 173 | if (!write(client[cs_idx].ufd, nbuf, sizeof(nbuf))) cs_exit(1); // trigger new event
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[8] | 174 | }
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| 175 | }
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| 176 | buf[n]='\0';
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| 177 | if (n=strlen(trim(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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[56] | 196 | sprintf(buf, "%03d", counter);
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[8] | 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_CAMD35 : ctyp="camd 3.5x";break;
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| 272 | case R_CAMD33 : ctyp="camd 3.3x";break;
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| 273 | case R_NEWCAMD : ctyp="newcamd"; break;
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| 274 | case R_RADEGAST: ctyp="radegast"; break;
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| 275 | case R_SERIAL : ctyp="serial"; break;
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| 276 | case R_GBOX : ctyp="gbox"; break;
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| 277 | default : ctyp="unknown"; break;
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| 278 | }
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| 279 | }
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| 280 | break;
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| 281 | default : ctyp=ph[client[idx].ctyp].desc;
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| 282 | }
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| 283 | return(ctyp);
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| 284 | }
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| 285 |
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| 286 | static char *monitor_client_info(char id, int i)
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| 287 | {
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| 288 | static char sbuf[256];
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| 289 |
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| 290 | sbuf[0]='\0';
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| 291 | if (client[i].pid)
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| 292 | {
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| 293 | char ldate[16], ltime[16], *usr;
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| 294 | int lsec, isec, cnr, con, cau;
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| 295 | time_t now;
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| 296 | struct tm *lt;
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| 297 | now=time((time_t)0);
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| 298 |
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| 299 | if ((cfg->mon_hideclient_to <= 0) ||
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| 300 | (((now-client[i].lastecm)/60)<cfg->mon_hideclient_to) ||
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| 301 | (((now-client[i].lastemm)/60)<cfg->mon_hideclient_to) ||
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| 302 | (client[i].typ!='c'))
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| 303 | {
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| 304 | lsec=now-client[i].login;
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| 305 | isec=now-client[i].last;
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| 306 | usr=client[i].usr;
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| 307 | if (((client[i].typ=='r') || (client[i].typ=='p')) &&
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| 308 | (con=cs_idx2ridx(i))>=0)
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| 309 | usr=reader[con].label;
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| 310 | if (client[i].dup)
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| 311 | con=2;
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| 312 | else
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| 313 | if ((client[i].tosleep) &&
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| 314 | (now-client[i].lastswitch>client[i].tosleep))
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| 315 | con=1;
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| 316 | else
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| 317 | con=0;
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| 318 | if (i-cdiff>0)
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| 319 | cnr=i-cdiff;
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| 320 | else
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| 321 | cnr=(i>1) ? i-1 : 0;
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| 322 | if( (cau=client[i].au+1) )
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| 323 | if ((now-client[i].lastemm)/60>cfg->mon_aulow)
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| 324 | cau=-cau;
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| 325 | lt=localtime(&client[i].login);
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| 326 | sprintf(ldate, "%2d.%02d.%02d",
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| 327 | lt->tm_mday, lt->tm_mon+1, lt->tm_year % 100);
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| 328 | sprintf(ltime, "%2d:%02d:%02d",
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| 329 | lt->tm_hour, lt->tm_min, lt->tm_sec);
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| 330 | 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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| 331 | id, client[i].pid, client[i].typ, cnr, usr, cau, client[i].crypted,
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| 332 | cs_inet_ntoa(client[i].ip), client[i].port, monitor_get_proto(i),
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| 333 | ldate, ltime, lsec, client[i].last_caid, client[i].last_srvid,
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| 334 | monitor_get_srvname(client[i].last_srvid), isec, con);
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| 335 | }
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| 336 | }
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| 337 | return(sbuf);
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| 338 | }
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| 339 |
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| 340 | static void monitor_process_info()
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| 341 | {
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| 342 | int i;
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| 343 | time_t now;
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| 344 |
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| 345 | now=time((time_t)0);
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| 346 | for (i=0; i<CS_MAXPID; i++)
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| 347 | if ((cfg->mon_hideclient_to <= 0) ||
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| 348 | (((now-client[i].lastecm)/60)<cfg->mon_hideclient_to) ||
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| 349 | (((now-client[i].lastemm)/60)<cfg->mon_hideclient_to) ||
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| 350 | (client[i].typ!='c'))
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| 351 | if (client[i].pid)
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| 352 | {
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| 353 | if ((client[cs_idx].monlvl<2) && (client[i].typ!='s'))
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| 354 | {
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| 355 | if ((strcmp(client[cs_idx].usr, client[i].usr)) ||
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| 356 | ((client[i].typ!='c') && (client[i].typ!='m')))
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| 357 | continue;
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| 358 | }
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| 359 | monitor_send_info(monitor_client_info('I', i), 0);
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| 360 | }
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| 361 | monitor_send_info(NULL, 1);
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| 362 | }
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| 363 |
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| 364 | static void monitor_send_details(char *txt, int pid)
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| 365 | {
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| 366 | char buf[256];
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| 367 | snprintf(buf, 255, "[D-----]%d|%s\n", pid, txt);
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| 368 | monitor_send_info(buf, 0);
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| 369 | }
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| 370 |
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| 371 | static void monitor_process_details_master(char *buf, int pid)
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| 372 | {
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| 373 | if (cfg->nice!=99)
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| 374 | sprintf(buf+200, ", nice=%d", cfg->nice);
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| 375 | else
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| 376 | buf[200]='\0';
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| 377 | sprintf(buf, "version=%s, system=%s%s", CS_VERSION_X, cs_platform(buf+100), buf+200);
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| 378 | monitor_send_details(buf, pid);
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| 379 |
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| 380 | sprintf(buf, "max. clients=%d, client max. idle=%d sec", CS_MAXPID-2, cfg->cmaxidle);
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| 381 | monitor_send_details(buf, pid);
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| 382 |
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| 383 | if( cfg->max_log_size )
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| 384 | sprintf(buf+200, "%d Kb", cfg->max_log_size);
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| 385 | else
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| 386 | strcpy(buf+200, "unlimited");
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| 387 | sprintf(buf, "max. logsize=%s", buf+200);
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| 388 | monitor_send_details(buf, pid);
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| 389 |
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[56] | 390 | sprintf(buf, "client timeout=%d sec, cache delay=%ld msec", cfg->ctimeout, cfg->delay);
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[8] | 391 | monitor_send_details(buf, pid);
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| 392 |
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| 393 | //#ifdef CS_NOSHM
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| 394 | // sprintf(buf, "shared memory initialized (size=%d, fd=%d)", shmsize, shmid);
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| 395 | //#else
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| 396 | // sprintf(buf, "shared memory initialized (size=%d, id=%d)", shmsize, shmid);
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| 397 | //#endif
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| 398 | // monitor_send_details(buf, pid);
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| 399 | }
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| 400 |
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| 401 | #ifdef CS_RDR_INIT_HIST
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| 402 | static void monitor_process_details_reader(int pid, int idx)
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| 403 | {
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| 404 | int r_idx;
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| 405 | char *p;
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| 406 | if ((r_idx=cs_idx2ridx(idx))>=0)
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| 407 | for (p=reader[r_idx].init_history; *p; p+=strlen(p)+1)
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| 408 | monitor_send_details(p, pid);
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| 409 | else
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| 410 | monitor_send_details("Missing reader index !", pid);
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| 411 | }
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| 412 | #endif
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| 413 |
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| 414 | static void monitor_process_details(char *arg)
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| 415 | {
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| 416 | int pid, idx, val;
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| 417 | char sbuf[256];
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| 418 | if (!arg) return;
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| 419 | if ((idx=idx_from_pid(pid=atoi(arg)))<0)
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| 420 | monitor_send_details("Invalid PID", pid);
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| 421 | else
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| 422 | {
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| 423 | monitor_send_info(monitor_client_info('D', idx), 0);
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| 424 | switch(client[idx].typ)
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| 425 | {
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| 426 | case 's':
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| 427 | monitor_process_details_master(sbuf, pid);
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| 428 | break;
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| 429 | case 'c': case 'm':
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| 430 | break;
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| 431 | case 'r':
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| 432 | #ifdef CS_RDR_INIT_HIST
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| 433 | monitor_process_details_reader(pid, idx);
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| 434 | #endif
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| 435 | break;
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| 436 | case 'p':
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| 437 | break;
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| 438 | }
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| 439 | }
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| 440 | monitor_send_info(NULL, 1);
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| 441 | }
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| 442 |
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| 443 | static void monitor_send_login(void)
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| 444 | {
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| 445 | char buf[64];
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| 446 | if (auth)
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| 447 | sprintf(buf, "[A-0000]1|%s logged in\n", client[cs_idx].usr);
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| 448 | else
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| 449 | strcpy(buf, "[A-0000]0|not logged in\n");
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| 450 | monitor_send_info(buf, 1);
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| 451 | }
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| 452 |
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| 453 | static void monitor_login(char *usr)
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| 454 | {
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| 455 | char *pwd=NULL;
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| 456 | if ((usr) && (pwd=strchr(usr, ' ')))
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| 457 | *pwd++=0;
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| 458 | if (pwd)
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| 459 | monitor_auth_client(trim(usr), trim(pwd));
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| 460 | else
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| 461 | monitor_auth_client(NULL, NULL);
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| 462 | monitor_send_login();
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| 463 | }
|
---|
| 464 |
|
---|
| 465 | static void monitor_logsend(char *flag)
|
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| 466 | {
|
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| 467 | #ifdef CS_LOGHISTORY
|
---|
| 468 | int i;
|
---|
| 469 | #endif
|
---|
| 470 | if (strcmp(flag, "on"))
|
---|
| 471 | {
|
---|
| 472 | client[cs_idx].log=0;
|
---|
| 473 | return;
|
---|
| 474 | }
|
---|
| 475 | if (client[cs_idx].log) // already on
|
---|
| 476 | return;
|
---|
| 477 | #ifdef CS_LOGHISTORY
|
---|
| 478 | for (i=(*loghistidx+3) % CS_MAXLOGHIST; i!=*loghistidx; i=(i+1) % CS_MAXLOGHIST)
|
---|
| 479 | {
|
---|
| 480 | char *p_usr, *p_txt;
|
---|
| 481 | p_usr=(char *)(loghist+(i*CS_LOGHISTSIZE));
|
---|
| 482 | p_txt=p_usr+32;
|
---|
| 483 | if ((p_txt[0]) &&
|
---|
| 484 | ((client[cs_idx].monlvl>1) || (!strcmp(p_usr, client[cs_idx].usr))))
|
---|
| 485 | {
|
---|
| 486 | char sbuf[8];
|
---|
[56] | 487 | sprintf(sbuf, "%03d", client[cs_idx].logcounter);
|
---|
[8] | 488 | client[cs_idx].logcounter=(client[cs_idx].logcounter+1) % 1000;
|
---|
| 489 | memcpy(p_txt+4, sbuf, 3);
|
---|
| 490 | monitor_send(p_txt);
|
---|
| 491 | }
|
---|
| 492 | }
|
---|
| 493 | #endif
|
---|
| 494 | client[cs_idx].log=1;
|
---|
| 495 | }
|
---|
| 496 |
|
---|
| 497 | static int monitor_process_request(char *req)
|
---|
| 498 | {
|
---|
| 499 | int i, rc;
|
---|
| 500 | char *cmd[]={"login", "exit", "log", "status", "shutdown", "reload", "details"};
|
---|
| 501 | // char *cmd[]={"login", "exit", "log", "status", "shutdown", "reload"};
|
---|
| 502 | char *arg;
|
---|
| 503 | if( (arg=strchr(req, ' ')) )
|
---|
| 504 | {
|
---|
| 505 | *arg++=0;
|
---|
| 506 | trim(arg);
|
---|
| 507 | }
|
---|
| 508 | trim(req);
|
---|
| 509 | if ((!auth) && (strcmp(req, cmd[0])))
|
---|
| 510 | monitor_login(NULL);
|
---|
| 511 | for (rc=1, i=0; i<7; i++)
|
---|
| 512 | if (!strcmp(req, cmd[i]))
|
---|
| 513 | {
|
---|
| 514 | switch(i)
|
---|
| 515 | {
|
---|
| 516 | case 0: monitor_login(arg); break;
|
---|
| 517 | case 1: rc=0; break;
|
---|
| 518 | case 2: monitor_logsend(arg); break;
|
---|
| 519 | case 3: monitor_process_info(); break;
|
---|
| 520 | case 4: if (client[cs_idx].monlvl>3)
|
---|
| 521 | kill(client[0].pid, SIGQUIT);
|
---|
| 522 | break;
|
---|
| 523 | case 5: if (client[cs_idx].monlvl>2)
|
---|
| 524 | kill(client[0].pid, SIGHUP);
|
---|
| 525 | break;
|
---|
| 526 | case 6: monitor_process_details(arg); break;
|
---|
| 527 | default: continue;
|
---|
| 528 | }
|
---|
| 529 | break;
|
---|
| 530 | }
|
---|
| 531 | return(rc);
|
---|
| 532 | }
|
---|
| 533 |
|
---|
| 534 | static void monitor_server()
|
---|
| 535 | {
|
---|
| 536 | int n;
|
---|
| 537 | client[cs_idx].typ='m';
|
---|
| 538 | while (((n=process_input(mbuf, sizeof(mbuf), cfg->cmaxidle))>=0) &&
|
---|
| 539 | monitor_process_request(mbuf));
|
---|
| 540 | cs_disconnect_client();
|
---|
| 541 | }
|
---|
| 542 |
|
---|
| 543 | void module_monitor(struct s_module *ph)
|
---|
| 544 | {
|
---|
| 545 | static PTAB ptab;
|
---|
| 546 | ptab.ports[0].s_port = cfg->mon_port;
|
---|
| 547 | ph->ptab = &ptab;
|
---|
| 548 | ph->ptab->nports = 1;
|
---|
| 549 |
|
---|
| 550 | if (cfg->mon_aulow<1)
|
---|
| 551 | cfg->mon_aulow=30;
|
---|
| 552 | strcpy(ph->desc, "monitor");
|
---|
| 553 | ph->type=MOD_CONN_UDP;
|
---|
| 554 | ph->multi=0;
|
---|
| 555 | ph->watchdog=1;
|
---|
| 556 | ph->s_ip=cfg->mon_srvip;
|
---|
| 557 | ph->s_handler=monitor_server;
|
---|
| 558 | ph->recv=monitor_recv;
|
---|
| 559 | // ph->send_dcw=NULL;
|
---|
| 560 | }
|
---|