[Libvirt-cim] [PATCH 4 of 4] FilterEntry: Fix behavior of convert_ip_rule_to_instance

src/Virt_FilterEntry.c | 162 ++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 126 insertions(+), 36 deletions(-) # HG changeset patch # User Eduardo Lima (Etrunko) <eblima(a)br.ibm.com&gt; # Date 1317915956 10800 # Node ID e6c6f9ccb51303f67fce26e74de9ab746d10a04b # Parent 1a08d8186f3064dfb0c38ecb5846ffc1e7d5de4d FilterEntry: Fix behavior of convert_ip_rule_to_instance The function was always referencing the 'tcp' fileld of the var union in struct acl_rule, while it should take into account the rule type to access the correct fields. This could probably go to acl_parsing, but I thought it would be a less intrusive change to patch only FilterEntry provider. Signed-off-by: Eduardo Lima (Etrunko) <eblima(a)br.ibm.com&gt; diff --git a/src/Virt_FilterEntry.c b/src/Virt_FilterEntry.c --- a/src/Virt_FilterEntry.c +++ b/src/Virt_FilterEntry.c @@ -35,6 +35,27 @@ #include "Virt_HostSystem.h" const static CMPIBroker *_BROKER; +struct rule_data_t { + const char *srcmacaddr; + const char *srcmacmask; + const char *dstmacaddr; + const char *dstmacmask; + + const char *srcipaddr; + const char *srcipmask; + const char *dstipaddr; + const char *dstipmask; + + const char *srcipfrom; + const char *srcipto; + const char *dstipfrom; + const char *dstipto; + + const char *srcportstart; + const char *srcportend; + const char *dstportstart; + const char *dstportend; +}; static int octets_from_mac(const char * s, unsigned int *buffer, unsigned int size) @@ -239,6 +260,75 @@ (CMPIValue *)&array, CMPI_uint8A); } +static void fill_rule_data(struct acl_rule *rule, + struct rule_data_t *data) +{ + if (rule == NULL || data == NULL) + return; + + memset(data, 0, sizeof(*data)); + + switch (rule->type) { + case IP_RULE: + data->srcmacaddr = rule->var.ip.srcmacaddr; + data->srcmacmask = rule->var.ip.srcmacmask; + data->dstmacaddr = rule->var.ip.srcmacaddr; + data->dstmacmask = rule->var.ip.dstmacmask; + + data->srcipaddr = rule->var.ip.srcipaddr; + data->srcipmask = rule->var.ip.srcipmask; + data->dstipaddr = rule->var.ip.dstipaddr; + data->dstipmask = rule->var.ip.dstipmask; + + data->srcportstart = rule->var.ip.srcportstart; + data->srcportend = rule->var.ip.srcportend; + data->dstportstart = rule->var.ip.dstportstart; + data->dstportend = rule->var.ip.dstportend; + break; + + case TCP_RULE: + data->srcmacaddr = rule->var.tcp.srcmacaddr; + + data->srcipaddr = rule->var.tcp.srcipaddr; + data->srcipmask = rule->var.tcp.srcipmask; + data->dstipaddr = rule->var.tcp.dstipaddr; + data->dstipmask = rule->var.tcp.dstipmask; + + data->srcipfrom = rule->var.tcp.srcipfrom; + data->srcipto = rule->var.tcp.srcipto; + data->dstipfrom = rule->var.tcp.dstipfrom; + data->dstipto = rule->var.tcp.dstipto; + + data->srcportstart = rule->var.tcp.srcportstart; + data->srcportend = rule->var.tcp.srcportend; + data->dstportstart = rule->var.tcp.dstportstart; + data->dstportend = rule->var.tcp.dstportend; + break; + + case ICMP_IGMP_RULE: + data->srcmacaddr = rule->var.icmp_igmp.srcmacaddr; + data->srcmacmask = rule->var.icmp_igmp.srcmacmask; + data->dstmacaddr = rule->var.icmp_igmp.srcmacaddr; + data->dstmacmask = rule->var.icmp_igmp.dstmacmask; + + data->srcipaddr = rule->var.icmp_igmp.srcipaddr; + data->srcipmask = rule->var.icmp_igmp.srcipmask; + data->dstipaddr = rule->var.icmp_igmp.dstipaddr; + data->dstipmask = rule->var.icmp_igmp.dstipmask; + + data->srcipfrom = rule->var.icmp_igmp.srcipfrom; + data->srcipto = rule->var.icmp_igmp.srcipto; + data->dstipfrom = rule->var.icmp_igmp.dstipfrom; + data->dstipto = rule->var.icmp_igmp.dstipto; + break; + + default: + CU_DEBUG("%s(): unhandled rule type '%d'", + __FUNCTION__, rule->type); + break; + } +} + static void convert_ip_rule_to_instance( struct acl_rule *rule, CMPIInstance *inst, @@ -248,6 +338,7 @@ unsigned int size = 0; unsigned int n = 0; CMPIArray *array = NULL; + struct rule_data_t rule_data; if (strstr(rule->protocol_id, "v6")) n = 6; @@ -256,9 +347,11 @@ CMSetProperty(inst, "HdrIPVersion",(CMPIValue *)&n, CMPI_uint8); - if (rule->var.tcp.srcipfrom && rule->var.tcp.srcipto) { + fill_rule_data(rule, &rule_data); + + if (rule_data.srcipfrom && rule_data.srcipto) { memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.srcipfrom, + size = octets_from_ip(rule_data.srcipfrom, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -267,7 +360,7 @@ (CMPIValue *)&array, CMPI_uint8A); memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.srcipto, + size = octets_from_ip(rule_data.srcipto, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -276,7 +369,7 @@ (CMPIValue *)&array, CMPI_uint8A); } else { memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.srcipaddr, + size = octets_from_ip(rule_data.srcipaddr, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -285,8 +378,8 @@ (CMPIValue *)&array, CMPI_uint8A); /* CIDR notation? */ - if (rule->var.tcp.srcipmask) { - char *netmask = strdup(rule->var.tcp.srcipmask); + if (rule_data.srcipmask) { + char *netmask = strdup(rule_data.srcipmask); if (strstr(netmask, ".") == NULL) { char *tmp = cidr_to_str(netmask); free(netmask); @@ -305,9 +398,9 @@ } } - if (rule->var.tcp.dstipfrom && rule->var.tcp.dstipto) { + if (rule_data.dstipfrom && rule_data.dstipto) { memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.dstipfrom, + size = octets_from_ip(rule_data.dstipfrom, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -316,7 +409,7 @@ (CMPIValue *)&array, CMPI_uint8A); memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.dstipto, + size = octets_from_ip(rule_data.dstipto, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -325,7 +418,7 @@ (CMPIValue *)&array, CMPI_uint8A); } else { memset(bytes, 0, sizeof(bytes)); - size = octets_from_ip(rule->var.tcp.dstipaddr, + size = octets_from_ip(rule_data.dstipaddr, bytes, sizeof(bytes)); array = octets_to_cmpi(broker, bytes, size); @@ -334,8 +427,8 @@ (CMPIValue *)&array, CMPI_uint8A); /* CIDR notation? */ - if (rule->var.tcp.dstipmask) { - char *netmask = strdup(rule->var.tcp.dstipmask); + if (rule_data.dstipmask) { + char *netmask = strdup(rule_data.dstipmask); if (strstr(netmask, ".") == NULL) { char *tmp = cidr_to_str(netmask); free(netmask); @@ -354,32 +447,29 @@ } } - if ((rule->type == IP_RULE) || (rule->type == TCP_RULE)) { - if (rule->var.tcp.srcportstart) { - n = atoi(rule->var.tcp.srcportstart); - CMSetProperty(inst, "HdrSrcPortStart", - (CMPIValue *)&n, CMPI_uint16); - } - - if (rule->var.tcp.srcportend) { - n = atoi(rule->var.tcp.srcportend); - CMSetProperty(inst, "HdrSrcPortEnd", - (CMPIValue *)&n, CMPI_uint16); - } - - if (rule->var.tcp.dstportstart) { - n = atoi(rule->var.tcp.dstportstart); - CMSetProperty(inst, "HdrDestPortStart", - (CMPIValue *)&n, CMPI_uint16); - } - - if (rule->var.tcp.dstportend) { - n = atoi(rule->var.tcp.dstportend); - CMSetProperty(inst, "HdrDestPortEnd", - (CMPIValue *)&n, CMPI_uint16); - } + if (rule_data.srcportstart) { + n = atoi(rule_data.srcportstart); + CMSetProperty(inst, "HdrSrcPortStart", + (CMPIValue *)&n, CMPI_uint16); } + if (rule_data.srcportend) { + n = atoi(rule_data.srcportend); + CMSetProperty(inst, "HdrSrcPortEnd", + (CMPIValue *)&n, CMPI_uint16); + } + + if (rule_data.dstportstart) { + n = atoi(rule_data.dstportstart); + CMSetProperty(inst, "HdrDestPortStart", + (CMPIValue *)&n, CMPI_uint16); + } + + if (rule_data.dstportend) { + n = atoi(rule_data.dstportend); + CMSetProperty(inst, "HdrDestPortEnd", + (CMPIValue *)&n, CMPI_uint16); + } } static CMPIInstance *convert_rule_to_instance(