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ID: 3607981 - 'lib/ipmi_lanp.c' - replace atoi() calls

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Commit replaces atoi() calls with str2uchar() ones to eliminate possible int
*flow via user input.
This commit is contained in:
Zdenek Styblik 2013-03-21 09:37:57 +00:00
parent 992b42ceee
commit 3ea41bda4b
1 changed files with 24 additions and 7 deletions
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31
ipmitool/lib/ipmi_lanp.c
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@ -43,6 +43,7 @@
#include <signal.h>
#include <setjmp.h>
#include <netdb.h>
#include <limits.h>
#include <ipmitool/ipmi.h>
#include <ipmitool/log.h>
@ -452,11 +453,10 @@ set_lan_param_nowait(struct ipmi_intf * intf, uint8_t chan,
}
static int
lan_set_arp_interval(struct ipmi_intf * intf,
uint8_t chan, uint8_t * ival)
lan_set_arp_interval(struct ipmi_intf * intf, uint8_t chan, uint8_t ival)
{
struct lan_param *lp;
uint8_t interval;
uint8_t interval = 0;
int rc = 0;
lp = get_lan_param(intf, chan, IPMI_LANP_GRAT_ARP);
@ -466,7 +466,11 @@ lan_set_arp_interval(struct ipmi_intf * intf,
return -1;
if (ival != 0) {
interval = ((uint8_t)atoi((const char *)ival) * 2) - 1;
if (((UINT8_MAX - 1) / 2) < ival) {
lprintf(LOG_ERR, "Given ARP interval '%u' is too big.", ival);
return (-1);
}
interval = (ival * 2) - 1;
rc = set_lan_param(intf, chan, IPMI_LANP_GRAT_ARP, &interval, 1);
} else {
interval = lp->data[0];
@ -1321,7 +1325,11 @@ ipmi_lan_set_vlan_id(struct ipmi_intf * intf, uint8_t chan, char *string)
data[1] = 0;
}
else {
int id = atoi(string);
int id = 0;
if (str2int(string, &id) != 0) {
lprintf(LOG_ERR, "Given VLAN ID '%s' is invalid.", string);
return (-1);
}
if (id < 1 || id > 4094) {
lprintf(LOG_NOTICE, "vlan id must be between 1 and 4094.");
@ -1341,7 +1349,11 @@ ipmi_lan_set_vlan_priority(struct ipmi_intf * intf, uint8_t chan, char *string)
{
uint8_t data;
int rc;
int priority = atoi(string);
int priority = 0;
if (str2int(string, &priority) != 0) {
lprintf(LOG_ERR, "Given VLAN priority '%s' is invalid.", string);
return (-1);
}
if (priority < 0 || priority > 7) {
lprintf(LOG_NOTICE, "vlan priority must be between 0 and 7.");
@ -1428,7 +1440,12 @@ ipmi_lan_set(struct ipmi_intf * intf, int argc, char ** argv)
return 0;
}
else if (strncmp(argv[2], "interval", 8) == 0) {
rc = lan_set_arp_interval(intf, chan, (uint8_t *)argv[3]);
uint8_t interval = 0;
if (str2uchar(argv[3], &interval) != 0) {
lprintf(LOG_ERR, "Given ARP interval '%s' is invalid.", argv[3]);
return (-1);
}
rc = lan_set_arp_interval(intf, chan, interval);
}
else if (strncmp(argv[2], "generate", 8) == 0) {
if (argc < 4) {