[8] | 1 | #include "globals.h"
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| 2 |
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| 3 | static int chk_srvid_match(ECM_REQUEST *er, SIDTAB *sidtab)
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| 4 | {
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| 5 | int i, rc=0;
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| 6 |
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| 7 | if (!sidtab->num_caid)
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| 8 | rc|=1;
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| 9 | else
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| 10 | for (i=0; (i<sidtab->num_caid) && (!(rc&1)); i++)
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| 11 | if (er->caid==sidtab->caid[i]) rc|=1;
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| 12 |
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| 13 | if (!sidtab->num_provid)
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| 14 | rc|=2;
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| 15 | else
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| 16 | for (i=0; (i<sidtab->num_provid) && (!(rc&2)); i++)
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| 17 | if (er->prid==sidtab->provid[i]) rc|=2;
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| 18 |
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| 19 | if (!sidtab->num_srvid)
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| 20 | rc|=4;
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| 21 | else
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| 22 | for (i=0; (i<sidtab->num_srvid) && (!(rc&4)); i++)
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| 23 | if (er->srvid==sidtab->srvid[i]) rc|=4;
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| 24 |
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| 25 | return(rc==7);
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| 26 | }
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| 27 |
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| 28 | int chk_srvid(ECM_REQUEST *er, int idx)
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| 29 | {
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| 30 | int nr, rc=0;
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| 31 | char *ptr;
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| 32 | SIDTAB *sidtab;
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| 33 |
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| 34 | if (!client[idx].sidtabok)
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| 35 | {
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| 36 | if (!client[idx].sidtabno) return(1);
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| 37 | rc=1;
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| 38 | }
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| 39 | for (nr=0, sidtab=cfg->sidtab; sidtab; sidtab=sidtab->next, nr++)
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| 40 | if (sidtab->num_caid | sidtab->num_provid | sidtab->num_srvid)
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| 41 | {
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| 42 | if ((client[idx].sidtabno&(1<<nr)) &&
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| 43 | (chk_srvid_match(er, sidtab)))
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| 44 | return(0);
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| 45 | if ((client[idx].sidtabok&(1<<nr)) &&
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| 46 | (chk_srvid_match(er, sidtab)))
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| 47 | rc=1;
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| 48 | }
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| 49 | return(rc);
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| 50 | }
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| 51 |
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| 52 | // server filter for newcamd
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| 53 | int chk_sfilter(ECM_REQUEST *er, PTAB *ptab)
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| 54 | {
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| 55 | int i, j, pi, rc=1;
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| 56 | ushort caid, scaid;
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| 57 | ulong prid, sprid;
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| 58 |
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| 59 | if (!ptab) return(1);
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| 60 |
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| 61 | caid = er->caid;
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| 62 | prid = er->prid;
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| 63 | pi = client[cs_idx].port_idx;
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| 64 |
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| 65 | if (ptab->nports && ptab->ports[pi].ftab.nfilts)
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| 66 | {
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| 67 | for( rc=j=0; (!rc) && (j<ptab->ports[pi].ftab.nfilts); j++ )
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| 68 | {
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| 69 | scaid = ptab->ports[pi].ftab.filts[j].caid;
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| 70 | if (caid==0||(caid!=0 && caid==scaid))
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| 71 | {
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| 72 | for( i=0; (!rc) && i<ptab->ports[pi].ftab.filts[j].nprids; i++ )
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| 73 | {
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| 74 | sprid=ptab->ports[pi].ftab.filts[j].prids[i];
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| 75 | cs_debug("trying server filter %04X:%06X", scaid, sprid);
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| 76 | if (prid==sprid)
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| 77 | {
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| 78 | rc=1;
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| 79 | cs_debug("%04X:%06X allowed by server filter %04X:%06X",
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| 80 | caid, prid, scaid, sprid);
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| 81 | }
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| 82 | }
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| 83 | }
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| 84 | }
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| 85 | if(!rc)
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| 86 | {
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| 87 | cs_debug("no match, %04X:%06X rejected by server filters", caid, prid);
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| 88 | if (!er->rcEx) er->rcEx=(E1_LSERVER<<4)|E2_IDENT;
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| 89 | return(rc);
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| 90 | }
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| 91 | }
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| 92 | return (rc);
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| 93 | }
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| 94 |
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| 95 | static int chk_chid(ECM_REQUEST *er, FTAB *fchid, char *type, char *name)
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| 96 | {
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| 97 | int rc=1, i, j;
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| 98 |
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| 99 | if( (er->caid & 0xFF00)!=0x600 ) return 1;
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| 100 | if( !er->chid ) return 1;
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| 101 | if( !fchid->nfilts ) return 1;
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| 102 |
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| 103 | for( i=rc=0; (!rc) && i<fchid->nfilts; i++ )
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| 104 | if( er->caid == fchid->filts[i].caid )
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| 105 | for( j=0; (!rc) && j<fchid->filts[i].nprids; j++ )
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| 106 | {
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| 107 | cs_debug("trying %s '%s' CHID filter %04X:%04X",
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| 108 | type, name, fchid->filts[i].caid, fchid->filts[i].prids[j]);
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| 109 | if( er->chid == fchid->filts[i].prids[j] )
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| 110 | {
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| 111 | cs_debug("%04X:%04X allowed by %s '%s' CHID filter %04X:%04X",
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| 112 | er->caid, er->chid, type, name, fchid->filts[i].caid,
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| 113 | fchid->filts[i].prids[j]);
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| 114 | rc=1;
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| 115 | }
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| 116 | }
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| 117 |
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| 118 | if( !rc ) cs_debug("no match, %04X:%04X rejected by %s '%s' CHID filter(s)",
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| 119 | er->caid, er->chid, type, name);
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| 120 |
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| 121 | return (rc);
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| 122 | }
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| 123 |
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| 124 | int chk_ufilters(ECM_REQUEST *er)
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| 125 | {
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| 126 | int i, j, rc;
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| 127 | ushort ucaid;
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| 128 | ulong uprid;
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| 129 |
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| 130 | rc=1;
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| 131 | if( client[cs_idx].ftab.nfilts )
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| 132 | {
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| 133 | FTAB *f = &client[cs_idx].ftab;
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| 134 | for( i=rc=0; (!rc) && (i<f->nfilts); i++ )
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| 135 | {
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| 136 | ucaid = f->filts[i].caid;
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| 137 | if( er->caid==0 || ucaid==0 || (er->caid!=0 && er->caid==ucaid) )
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| 138 | {
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| 139 | for( j=rc=0; (!rc) && (j<f->filts[i].nprids); j++ )
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| 140 | {
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| 141 | uprid = f->filts[i].prids[j];
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| 142 | cs_debug("trying user '%s' filter %04X:%06X",
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| 143 | client[cs_idx].usr, ucaid, uprid);
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| 144 | if( er->prid == uprid )
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| 145 | {
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| 146 | rc=1;
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| 147 | cs_debug("%04X:%06X allowed by user '%s' filter %04X:%06X",
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| 148 | er->caid, er->prid, client[cs_idx].usr, ucaid, uprid);
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| 149 | }
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| 150 | }
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| 151 | }
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| 152 | }
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| 153 | if( !rc ) {
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| 154 | cs_debug("no match, %04X:%06X rejected by user '%s' filters",
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| 155 | er->caid, er->prid, client[cs_idx].usr);
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| 156 | if( !er->rcEx ) er->rcEx=(E1_USER<<4)|E2_IDENT;
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| 157 | return (rc);
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| 158 | }
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| 159 | }
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| 160 |
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| 161 | if( !(rc=chk_class(er, &client[cs_idx].cltab, "user", client[cs_idx].usr)) )
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| 162 | if( !er->rcEx ) er->rcEx=(E1_USER<<4)|E2_CLASS;
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| 163 | else if( !(rc=chk_chid(er, &client[cs_idx].fchid, "user", client[cs_idx].usr)) )
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| 164 | if( !er->rcEx ) er->rcEx=(E1_USER<<4)|E2_CHID;
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| 165 |
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| 166 | if( rc ) er->rcEx=0;
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| 167 |
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| 168 | return (rc);
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| 169 | }
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| 170 |
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| 171 | int chk_rsfilter(ECM_REQUEST *er, int disable_server_filt)
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| 172 | {
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| 173 | int i, rc=1;
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| 174 | ushort caid;
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| 175 | ulong prid;
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| 176 |
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| 177 | if( disable_server_filt )
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| 178 | {
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| 179 | cs_debug("%04X:%06X allowed - server filters disabled",
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| 180 | er->caid, er->prid);
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| 181 | return 1;
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| 182 | }
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| 183 |
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| 184 | rc=prid=0;
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| 185 | caid = reader[ridx].caid[0];
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| 186 | if( caid==er->caid )
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| 187 | {
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| 188 | for( i=0; (!rc) && (i<reader[ridx].nprov); i++ )
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| 189 | {
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| 190 | prid = (ulong)((reader[ridx].prid[i][0]<<16) |
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| 191 | (reader[ridx].prid[i][1]<<8) |
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| 192 | (reader[ridx].prid[i][2]));
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| 193 | cs_debug("trying server '%s' filter %04X:%06X",
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| 194 | reader[ridx].device, caid, prid);
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| 195 | if( prid==er->prid )
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| 196 | {
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| 197 | rc=1;
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| 198 | cs_debug("%04X:%06X allowed by server '%s' filter %04X:%06X",
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| 199 | er->caid, er->prid, reader[ridx].device, caid, prid);
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| 200 | }
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| 201 | }
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| 202 | }
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| 203 | if(!rc) {
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| 204 | cs_debug("no match, %04X:%06X rejected by server '%s' filters",
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| 205 | er->caid, er->prid, reader[ridx].device);
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| 206 | if( !er->rcEx ) er->rcEx=(E1_SERVER<<4)|E2_IDENT;
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| 207 | return 0;
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| 208 | }
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| 209 |
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| 210 | return(rc);
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| 211 | }
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| 212 |
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| 213 | int chk_rfilter(ECM_REQUEST *er, struct s_reader *rdr)
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| 214 | {
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| 215 | int i, j, rc=1;
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| 216 | ushort caid=0;
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| 217 | ulong prid=0;
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| 218 |
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| 219 | if( rdr->ftab.nfilts )
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| 220 | {
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| 221 | for( rc=i=0; (!rc) && (i<rdr->ftab.nfilts); i++ )
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| 222 | {
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| 223 | caid = rdr->ftab.filts[i].caid;
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| 224 | if( (caid!=0 && caid==er->caid) || caid==0 )
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| 225 | {
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| 226 | for( j=0; (!rc) && (j<rdr->ftab.filts[i].nprids); j++)
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| 227 | {
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| 228 | prid = rdr->ftab.filts[i].prids[j];
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| 229 | cs_debug("trying reader '%s' filter %04X:%06X",
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| 230 | rdr->label, caid, prid);
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| 231 | if( prid==er->prid )
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| 232 | {
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| 233 | rc=1;
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| 234 | cs_debug("%04X:%06X allowed by reader '%s' filter %04X:%06X",
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| 235 | er->caid, er->prid, rdr->label, caid, prid);
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| 236 | }
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| 237 | }
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| 238 | }
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| 239 | }
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| 240 | if(!rc) {
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| 241 | cs_debug("no match, %04X:%06X rejected by reader '%s' filters",
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| 242 | er->caid, er->prid, rdr->label);
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| 243 | return 0;
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| 244 | }
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| 245 | }
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| 246 |
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| 247 | return(rc);
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| 248 | }
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| 249 |
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| 250 | int chk_avail_reader(ECM_REQUEST *er, struct s_reader *rdr)
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| 251 | {
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| 252 | if( !chk_rfilter(er, rdr) ) {
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| 253 | if( !er->rcEx ) er->rcEx=(E1_READER<<4)|E2_IDENT;
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| 254 | return 0;
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| 255 | }
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| 256 | if( !chk_class(er, &rdr->cltab, "reader", rdr->label) ) {
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| 257 | if( !er->rcEx ) er->rcEx=(E1_READER<<4)|E2_CLASS;
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| 258 | return 0;
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| 259 | }
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| 260 | if( !chk_chid(er, &rdr->fchid, "reader", rdr->label) ) {
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| 261 | if( !er->rcEx ) er->rcEx=(E1_READER<<4)|E2_CHID;
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| 262 | return 0;
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| 263 | }
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| 264 | /*
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| 265 | if( rdr->typ=='r' )
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| 266 | {
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| 267 | if( rdr->qlen>=rdr->maxqlen )
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| 268 | {
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| 269 | cs_log("reader '%s' max. queue length(%d) reached, rejected", rdr->label,
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| 270 | rdr->qlen);
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| 271 | if( !er->rcEx ) er->rcEx=(E1_READER<<4)|E2_QUEUE;
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| 272 | return 0;
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| 273 | }
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| 274 | else {
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| 275 | cs_log("reader '%s' qlen=%d", rdr->label, rdr->qlen);
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| 276 | rdr->qlen++;
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| 277 | }
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| 278 | }
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| 279 | */
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| 280 | return 1;
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| 281 | }
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| 282 |
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| 283 | int matching_reader(ECM_REQUEST *er, struct s_reader *rdr)
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| 284 | {
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| 285 | if (!((rdr->fd) && (rdr->grp&client[cs_idx].grp))) return(0);
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| 286 | if (!chk_srvid(er, rdr->cs_idx))
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| 287 | return(0);
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| 288 | if (!chk_rfilter(er, rdr))
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| 289 | {
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| 290 | // if (!er->rcEx) er->rcEx=(E1_READER<<4)|E2_IDENT;
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| 291 | return(0);
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| 292 | }
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| 293 | if (!chk_class(er, &rdr->cltab, "reader", rdr->label))
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| 294 | {
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| 295 | // if (!er->rcEx) er->rcEx=(E1_READER<<4)|E2_CLASS;
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| 296 | return(0);
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| 297 | }
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| 298 | if (!chk_chid(er, &rdr->fchid, "reader", rdr->label))
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| 299 | {
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| 300 | // if (!er->rcEx) er->rcEx=(E1_READER<<4)|E2_CHID;
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| 301 | return(0);
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| 302 | }
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| 303 | return(1);
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| 304 | }
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