Module: kamailio Branch: master Commit: 73c66150c604326c07d454002c12cb221289936a URL: https://github.com/kamailio/kamailio/commit/73c66150c604326c07d454002c12cb22...
Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2024-03-01T09:55:16+01:00
influxdbc: copy with buffer size limit
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Modified: src/modules/influxdbc/ic.c
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Diff: https://github.com/kamailio/kamailio/commit/73c66150c604326c07d454002c12cb22... Patch: https://github.com/kamailio/kamailio/commit/73c66150c604326c07d454002c12cb22...
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diff --git a/src/modules/influxdbc/ic.c b/src/modules/influxdbc/ic.c index 09ab462ffcb..dc493619f28 100644 --- a/src/modules/influxdbc/ic.c +++ b/src/modules/influxdbc/ic.c @@ -107,7 +107,7 @@ void ic_influx_database(char *host, long port,
he = gethostbyname(host); if(he == NULL) { - sprintf(errorbuf, + snprintf(errorbuf, 1024, "influx host=%s to ip address convertion failed " "gethostbyname(), bailing out\n", host); @@ -115,22 +115,24 @@ void ic_influx_database(char *host, long port, } /* this could return multiple ip addresses but we assume its the first one */ if(he->h_addr_list[0] != NULL) { - strcpy(influx_ip, - inet_ntoa(*(struct in_addr *)(he->h_addr_list[0]))); + strncpy(influx_ip, + inet_ntoa(*(struct in_addr *)(he->h_addr_list[0])), 16); + influx_ip[16] = '\0'; DEBUG fprintf(stderr, "ic_influx_by_hostname hostname=%s converted to ip " "address %s))\n", host, influx_ip); } else { - sprintf(errorbuf, + snprintf(errorbuf, 1024, "influx host=%s to ip address convertion failed (empty " "list), bailing out\n", host); error(errorbuf); } } else { - strcpy(influx_ip, - host); /* perhaps the hostname is actually an ip address */ + strncpy(influx_ip, host, + 16); /* perhaps the hostname is actually an ip address */ + influx_ip[16] = '\0'; } } } @@ -338,7 +340,7 @@ void ic_push() } for(i = 0; i < 1024; i++) /* empty the buffer */ result[i] = 0; - if((ret = read(sockfd, result, sizeof(result))) > 0) { + if((ret = read(sockfd, result, sizeof(result) - 1)) > 0) { result[ret] = 0; DEBUG fprintf( stderr, "received bytes=%d data=<%s>\n", ret, result);
-
Daniel-Constantin Mierla