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-rw-r--r--src/udev/collect/collect.c6
-rw-r--r--src/udev/udev-builtin-net_id.c41
-rw-r--r--src/udev/udev-node.c4
-rw-r--r--src/udev/udev-watch.c6
4 files changed, 36 insertions, 21 deletions
diff --git a/src/udev/collect/collect.c b/src/udev/collect/collect.c
index 349585b634..0e973cd521 100644
--- a/src/udev/collect/collect.c
+++ b/src/udev/collect/collect.c
@@ -85,16 +85,16 @@ static void usage(void)
*/
static int prepare(char *dir, char *filename)
{
- char buf[512];
+ char buf[PATH_MAX];
int r, fd;
r = mkdir(dir, 0700);
if (r < 0 && errno != EEXIST)
return -errno;
- xsprintf(buf, "%s/%s", dir, filename);
+ snprintf(buf, sizeof buf, "%s/%s", dir, filename);
- fd = open(buf,O_RDWR|O_CREAT|O_CLOEXEC, S_IRUSR|S_IWUSR);
+ fd = open(buf, O_RDWR|O_CREAT|O_CLOEXEC, S_IRUSR|S_IWUSR);
if (fd < 0)
fprintf(stderr, "Cannot open %s: %m\n", buf);
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index a7be2a4eed..fe9d6f4482 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -35,10 +35,12 @@
* Type of names:
* b<number> — BCMA bus core number
* c<bus_id> — CCW bus group name, without leading zeros [s390]
- * o<index>[d<dev_port>] — on-board device index number
- * s<slot>[f<function>][d<dev_port>] — hotplug slot index number
+ * o<index>[n<phys_port_name>|d<dev_port>]
+ * — on-board device index number
+ * s<slot>[f<function>][n<phys_port_name>|d<dev_port>]
+ * — hotplug slot index number
* x<MAC> — MAC address
- * [P<domain>]p<bus>s<slot>[f<function>][d<dev_port>]
+ * [P<domain>]p<bus>s<slot>[f<function>][n<phys_port_name>|d<dev_port>]
* — PCI geographical location
* [P<domain>]p<bus>s<slot>[f<function>][u<port>][..][c<config>][i<interface>]
* — USB port number chain
@@ -137,7 +139,7 @@ static int dev_pci_onboard(struct udev_device *dev, struct netnames *names) {
unsigned dev_port = 0;
size_t l;
char *s;
- const char *attr;
+ const char *attr, *port_name;
int idx;
/* ACPI _DSM — device specific method for naming a PCI or PCI Express device */
@@ -164,10 +166,15 @@ static int dev_pci_onboard(struct udev_device *dev, struct netnames *names) {
if (attr)
dev_port = strtol(attr, NULL, 10);
+ /* kernel provided front panel port name for multiple port PCI device */
+ port_name = udev_device_get_sysattr_value(dev, "phys_port_name");
+
s = names->pci_onboard;
l = sizeof(names->pci_onboard);
l = strpcpyf(&s, l, "o%d", idx);
- if (dev_port > 0)
+ if (port_name)
+ l = strpcpyf(&s, l, "n%s", port_name);
+ else if (dev_port > 0)
l = strpcpyf(&s, l, "d%d", dev_port);
if (l == 0)
names->pci_onboard[0] = '\0';
@@ -202,9 +209,9 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
unsigned domain, bus, slot, func, dev_port = 0;
size_t l;
char *s;
- const char *attr;
+ const char *attr, *port_name;
struct udev_device *pci = NULL;
- char slots[256], str[256];
+ char slots[PATH_MAX];
_cleanup_closedir_ DIR *dir = NULL;
struct dirent *dent;
int hotplug_slot = 0, err = 0;
@@ -217,6 +224,9 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
if (attr)
dev_port = strtol(attr, NULL, 10);
+ /* kernel provided front panel port name for multiple port PCI device */
+ port_name = udev_device_get_sysattr_value(dev, "phys_port_name");
+
/* compose a name based on the raw kernel's PCI bus, slot numbers */
s = names->pci_path;
l = sizeof(names->pci_path);
@@ -225,7 +235,9 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
l = strpcpyf(&s, l, "p%us%u", bus, slot);
if (func > 0 || is_pci_multifunction(names->pcidev))
l = strpcpyf(&s, l, "f%u", func);
- if (dev_port > 0)
+ if (port_name)
+ l = strpcpyf(&s, l, "n%s", port_name);
+ else if (dev_port > 0)
l = strpcpyf(&s, l, "d%u", dev_port);
if (l == 0)
names->pci_path[0] = '\0';
@@ -236,7 +248,8 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
err = -ENOENT;
goto out;
}
- xsprintf(slots, "%s/slots", udev_device_get_syspath(pci));
+
+ snprintf(slots, sizeof slots, "%s/slots", udev_device_get_syspath(pci));
dir = opendir(slots);
if (!dir) {
err = -errno;
@@ -245,8 +258,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
int i;
- char *rest;
- char *address;
+ char *rest, *address, str[PATH_MAX];
if (dent->d_name[0] == '.')
continue;
@@ -255,7 +267,8 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
continue;
if (i < 1)
continue;
- xsprintf(str, "%s/%s/address", slots, dent->d_name);
+
+ snprintf(str, sizeof str, "%s/%s/address", slots, dent->d_name);
if (read_one_line_file(str, &address) >= 0) {
/* match slot address with device by stripping the function */
if (strneq(address, udev_device_get_sysname(names->pcidev), strlen(address)))
@@ -275,7 +288,9 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
l = strpcpyf(&s, l, "s%d", hotplug_slot);
if (func > 0 || is_pci_multifunction(names->pcidev))
l = strpcpyf(&s, l, "f%d", func);
- if (dev_port > 0)
+ if (port_name)
+ l = strpcpyf(&s, l, "n%s", port_name);
+ else if (dev_port > 0)
l = strpcpyf(&s, l, "d%d", dev_port);
if (l == 0)
names->pci_slot[0] = '\0';
diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 5d2997fd8f..43004bc0bc 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -337,7 +337,7 @@ out:
void udev_node_add(struct udev_device *dev, bool apply,
mode_t mode, uid_t uid, gid_t gid,
struct udev_list *seclabel_list) {
- char filename[UTIL_PATH_SIZE];
+ char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)];
struct udev_list_entry *list_entry;
log_debug("handling device node '%s', devnum=%s, mode=%#o, uid="UID_FMT", gid="GID_FMT,
@@ -360,7 +360,7 @@ void udev_node_add(struct udev_device *dev, bool apply,
void udev_node_remove(struct udev_device *dev) {
struct udev_list_entry *list_entry;
- char filename[UTIL_PATH_SIZE];
+ char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)];
/* remove/update symlinks, remove symlinks from name index */
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev))
diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c
index 9ce5e975de..bc9096ed0c 100644
--- a/src/udev/udev-watch.c
+++ b/src/udev/udev-watch.c
@@ -89,7 +89,7 @@ unlink:
}
void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
- char filename[UTIL_PATH_SIZE];
+ char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
int wd;
int r;
@@ -116,7 +116,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
void udev_watch_end(struct udev *udev, struct udev_device *dev) {
int wd;
- char filename[UTIL_PATH_SIZE];
+ char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
if (inotify_fd < 0)
return;
@@ -135,7 +135,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) {
}
struct udev_device *udev_watch_lookup(struct udev *udev, int wd) {
- char filename[UTIL_PATH_SIZE];
+ char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
char device[UTIL_NAME_SIZE];
ssize_t len;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-15 23:09:59 +0000