mpsutil: Fix data truncation by too short buffers.

Length of some string buffers was insufficient for cases of more that
99 targets per HBA or slots per enclosure.  Some others are tuned just
for better alignment.  While there also fix output formatting issues.

MFC after:	1 week
Sponsored by:	iXsystems, Inc.
This commit is contained in:
Alexander Motin 2021-11-29 20:14:13 -05:00
parent bd6dce978c
commit f5b0083302

View file

@ -74,7 +74,7 @@ show_adapter(int ac, char **av)
MPI2_IOC_FACTS_REPLY *facts;
U16 IOCStatus;
char *speed, *minspeed, *maxspeed, *isdisabled, *type;
char devhandle[5], ctrlhandle[5];
char devhandle[8], ctrlhandle[8];
int error, fd, v, i;
if (ac != 1) {
@ -210,13 +210,14 @@ show_adapter(int ac, char **av)
type = get_device_type(le32toh(phy0->ControllerPhyDeviceInfo));
if (le16toh(phy0->AttachedDevHandle) != 0) {
snprintf(devhandle, 5, "%04x", le16toh(phy0->AttachedDevHandle));
snprintf(ctrlhandle, 5, "%04x",
snprintf(devhandle, sizeof(devhandle), "%04x",
le16toh(phy0->AttachedDevHandle));
snprintf(ctrlhandle, sizeof(ctrlhandle), "%04x",
le16toh(phy0->ControllerDevHandle));
speed = get_device_speed(phy0->NegotiatedLinkRate);
} else {
snprintf(devhandle, 5, " ");
snprintf(ctrlhandle, 5, " ");
snprintf(devhandle, sizeof(devhandle), " ");
snprintf(ctrlhandle, sizeof(ctrlhandle), " ");
speed = " ";
}
printf("%-8d%-12s%-11s%-10s%-8s%-7s%-7s%s\n",
@ -516,7 +517,7 @@ show_devices(int ac, char **av)
MPI2_CONFIG_PAGE_SAS_DEV_0 *device;
MPI2_CONFIG_PAGE_EXPANDER_1 *exp1;
uint16_t IOCStatus, handle, bus, target;
char *type, *speed, enchandle[5], slot[3], bt[8];
char *type, *speed, enchandle[8], slot[8], bt[16];
char buf[256];
int fd, error, nphys;
@ -605,11 +606,11 @@ show_devices(int ac, char **av)
speed = " ";
if (device->EnclosureHandle != 0) {
snprintf(enchandle, 5, "%04x", le16toh(device->EnclosureHandle));
snprintf(slot, 3, "%02d", le16toh(device->Slot));
snprintf(enchandle, sizeof(enchandle), "%04x", le16toh(device->EnclosureHandle));
snprintf(slot, sizeof(slot), "%02d", le16toh(device->Slot));
} else {
snprintf(enchandle, 5, " ");
snprintf(slot, 3, " ");
snprintf(enchandle, sizeof(enchandle), " ");
snprintf(slot, sizeof(slot), " ");
}
printf("%-10s", bt);
snprintf(buf, sizeof(buf), "%08x%08x", le32toh(device->SASAddress.High),
@ -634,7 +635,7 @@ static int
show_enclosures(int ac, char **av)
{
MPI2_CONFIG_PAGE_SAS_ENCLOSURE_0 *enc;
char *type, sepstr[5];
char *type, sepstr[8];
uint16_t IOCStatus, handle;
int fd, error, issep;
@ -663,9 +664,9 @@ show_enclosures(int ac, char **av)
}
type = get_enc_type(le16toh(enc->Flags), &issep);
if (issep == 0)
snprintf(sepstr, 5, " ");
snprintf(sepstr, sizeof(sepstr), " ");
else
snprintf(sepstr, 5, "%04x", le16toh(enc->SEPDevHandle));
snprintf(sepstr, sizeof(sepstr), "%04x", le16toh(enc->SEPDevHandle));
printf(" %.2d %08x%08x %s %04x %s\n",
le16toh(enc->NumSlots), le32toh(enc->EnclosureLogicalID.High),
le32toh(enc->EnclosureLogicalID.Low), sepstr, le16toh(enc->EnclosureHandle),
@ -685,7 +686,7 @@ show_expanders(int ac, char **av)
MPI2_CONFIG_PAGE_EXPANDER_0 *exp0;
MPI2_CONFIG_PAGE_EXPANDER_1 *exp1;
uint16_t IOCStatus, handle;
char enchandle[5], parent[5], rphy[3], rhandle[5];
char enchandle[8], parent[8], rphy[4], rhandle[8];
char *speed, *min, *max, *type;
int fd, error, nphys, i;
@ -717,19 +718,19 @@ show_expanders(int ac, char **av)
handle = le16toh(exp0->DevHandle);
if (exp0->EnclosureHandle == 0x00)
snprintf(enchandle, 5, " ");
snprintf(enchandle, sizeof(enchandle), " ");
else
snprintf(enchandle, 5, "%04d", le16toh(exp0->EnclosureHandle));
snprintf(enchandle, sizeof(enchandle), "%04d", le16toh(exp0->EnclosureHandle));
if (exp0->ParentDevHandle == 0x0)
snprintf(parent, 5, " ");
snprintf(parent, sizeof(parent), " ");
else
snprintf(parent, 5, "%04x", le16toh(exp0->ParentDevHandle));
snprintf(parent, sizeof(parent), "%04x", le16toh(exp0->ParentDevHandle));
printf(" %02d %08x%08x %04x %s %s %d\n",
exp0->NumPhys, le32toh(exp0->SASAddress.High), le32toh(exp0->SASAddress.Low),
le16toh(exp0->DevHandle), parent, enchandle, exp0->SASLevel);
printf("\n");
printf(" Phy RemotePhy DevHandle Speed Min Max Device\n");
printf(" Phy RemotePhy DevHandle Speed Min Max Device\n");
for (i = 0; i < nphys; i++) {
exp1 = mps_read_extended_config_page(fd,
MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER,
@ -745,20 +746,20 @@ show_expanders(int ac, char **av)
}
type = get_device_type(le32toh(exp1->AttachedDeviceInfo));
if ((le32toh(exp1->AttachedDeviceInfo) &0x7) == 0) {
speed = " ";
snprintf(rphy, 3, " ");
snprintf(rhandle, 5, " ");
speed = " ";
snprintf(rphy, sizeof(rphy), " ");
snprintf(rhandle, sizeof(rhandle), " ");
} else {
speed = get_device_speed(
exp1->NegotiatedLinkRate);
snprintf(rphy, 3, "%02d",
snprintf(rphy, sizeof(rphy), "%02d",
exp1->AttachedPhyIdentifier);
snprintf(rhandle, 5, "%04x",
snprintf(rhandle, sizeof(rhandle), "%04x",
le16toh(exp1->AttachedDevHandle));
}
min = get_device_speed(exp1->HwLinkRate);
max = get_device_speed(exp1->HwLinkRate >> 4);
printf(" %02d %s %s %s %s %s %s\n", exp1->Phy, rphy, rhandle, speed, min, max, type);
printf(" %02d %s %s %s %s %s %s\n", exp1->Phy, rphy, rhandle, speed, min, max, type);
free(exp1);
}