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comparison src/context.cpp @ 460:ad05c61d6372 stable-6-0-74

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add debug code for spf check with microsoft /14
author Carl Byington <carl@five-ten-sg.com>
date Mon, 24 Dec 2018 09:37:36 -0800
parents 48cfa55cd73b
children f3f1ece619ba
comparison
equal deleted inserted replaced
459:e2c09e0c4784 460:ad05c61d6372
1213 if (s) *s = '\0'; 1213 if (s) *s = '\0';
1214 in_addr ipx; 1214 in_addr ipx;
1215 if (inet_aton(p, &ipx)) { 1215 if (inet_aton(p, &ipx)) {
1216 uint32_t ipy = ntohl(ipx.s_addr); 1216 uint32_t ipy = ntohl(ipx.s_addr);
1217 int mask = (s) ? atoi(s+1) : 32; 1217 int mask = (s) ? atoi(s+1) : 32;
1218 if ((mask >= 16) && (mask <= 32)) { 1218 if ((mask >= 14) && (mask <= 32)) { // microsoft has a /14
1219 uint32_t low = (1 << (32-mask)) - 1; 1219 uint32_t low = (1 << (32-mask)) - 1;
1220 ipy &= low ^ 0xffffffff; 1220 ipy &= low ^ 0xffffffff;
1221 {
1222 char buf[maxlen];
1223 snprintf(buf, maxlen, "ip=%08x, spf=%08x/%d, mask=%08x", ip, ipy, mask, low);
1224 log(priv->queueid, "spf check %s", buf);
1225 }
1221 if ((ipy <= ip) && (ip <= ipy + low)) { 1226 if ((ipy <= ip) && (ip <= ipy + low)) {
1222 if (s) *s = '/'; 1227 if (s) *s = '/';
1223 log(priv->queueid, "match ip4:%s", p); 1228 log(priv->queueid, "match ip4:%s", p);
1224 return true; 1229 return true;
1225 } 1230 }