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Fix: %n terminated log string on IPv6 address

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z3APA3A 2017-10-10 18:21:34 +03:00
parent 46211c26d2
commit 145eb580e4
1 changed files with 1 additions and 2 deletions
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3
src/common.c
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@ -468,7 +468,7 @@ int dobuf2(struct clientparam * param, unsigned char * buf, const unsigned char
break; break;
case 'n': case 'n':
len = param->hostname? (int)strlen((char *)param->hostname) : 0; len = param->hostname? (int)strlen((char *)param->hostname) : 0;
if (len > 0 && !strchr((char *)param->hostname, ':')) for(len = 0; param->hostname[len] && i < 4000; len++, i++){ if (len > 0 && !strchr((char *)param->hostname, ':')) for(len = 0; param->hostname[len] && i < 256; len++, i++){
buf[i] = param->hostname[len]; buf[i] = param->hostname[len];
if(param->srv->nonprintable && (buf[i] < 0x20 || strchr((char *)param->srv->nonprintable, buf[i]))) buf[i] = param->srv->replace; if(param->srv->nonprintable && (buf[i] < 0x20 || strchr((char *)param->srv->nonprintable, buf[i]))) buf[i] = param->srv->replace;
if(doublec && strchr((char *)doublec, buf[i])) { if(doublec && strchr((char *)doublec, buf[i])) {
@ -480,7 +480,6 @@ int dobuf2(struct clientparam * param, unsigned char * buf, const unsigned char
buf[i++] = '['; buf[i++] = '[';
i += myinet_ntop(*SAFAMILY(&param->req), SAADDR(&param->req), (char *)buf + i, 64); i += myinet_ntop(*SAFAMILY(&param->req), SAADDR(&param->req), (char *)buf + i, 64);
buf[i++] = ']'; buf[i++] = ']';
buf[i++] = 0;
} }
break; break;