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Diffstat (limited to 'udev/udev-rules.c')
-rw-r--r--udev/udev-rules.c99
1 files changed, 72 insertions, 27 deletions
diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index f345e8977d..742d88b3d5 100644
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -144,6 +144,7 @@ enum token_type {
TK_M_PROGRAM, /* val */
TK_M_IMPORT_FILE, /* val */
TK_M_IMPORT_PROG, /* val */
+ TK_M_IMPORT_BUILTIN, /* val */
TK_M_IMPORT_DB, /* val */
TK_M_IMPORT_CMDLINE, /* val */
TK_M_IMPORT_PARENT, /* val */
@@ -205,6 +206,7 @@ struct token {
int devlink_prio;
int event_timeout;
int watch;
+ enum udev_builtin_cmd builtin_cmd;
};
} key;
};
@@ -280,6 +282,7 @@ static const char *token_str(enum token_type type)
[TK_M_PROGRAM] = "M PROGRAM",
[TK_M_IMPORT_FILE] = "M IMPORT_FILE",
[TK_M_IMPORT_PROG] = "M IMPORT_PROG",
+ [TK_M_IMPORT_BUILTIN] = "M IMPORT_BUILTIN",
[TK_M_IMPORT_DB] = "M IMPORT_DB",
[TK_M_IMPORT_CMDLINE] = "M IMPORT_CMDLINE",
[TK_M_IMPORT_PARENT] = "M IMPORT_PARENT",
@@ -361,6 +364,9 @@ static void dump_token(struct udev_rules *rules, struct token *token)
dbg(rules->udev, "%s %s '%s'(%s)\n",
token_str(type), operation_str(op), value, string_glob_str(glob));
break;
+ case TK_M_IMPORT_BUILTIN:
+ dbg(rules->udev, "%s %i\n", token_str(type), token->key.builtin_cmd);
+ break;
case TK_M_ATTR:
case TK_M_ATTRS:
case TK_M_ENV:
@@ -1033,6 +1039,9 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
case TK_A_TAG:
token->key.value_off = add_string(rule_tmp->rules, value);
break;
+ case TK_M_IMPORT_BUILTIN:
+ token->key.builtin_cmd = *(enum udev_builtin_cmd *)data;
+ break;
case TK_M_ENV:
case TK_M_ATTR:
case TK_M_ATTRS:
@@ -1435,43 +1444,50 @@ static int add_rule(struct udev_rules *rules, char *line,
if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
- if (attr != NULL && strstr(attr, "program")) {
+ if (attr == NULL) {
+ err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+ continue;
+ }
+ if (strstr(attr, "program")) {
+ /* find known built-in command */
+ if (value[0] != '/') {
+ char file[UTIL_PATH_SIZE];
+ char *pos;
+ enum udev_builtin_cmd cmd;
+
+ util_strscpy(file, sizeof(file), value);
+ pos = strchr(file, ' ');
+ if (pos)
+ pos[0] = '\0';
+ cmd = udev_builtin_lookup(file);
+ if (cmd < UDEV_BUILTIN_MAX) {
+ info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n", file, filename, lineno);
+ rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, NULL, &cmd);
+ continue;
+ }
+ }
dbg(rules->udev, "IMPORT will be executed\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
- } else if (attr != NULL && strstr(attr, "file")) {
+ } else if (strstr(attr, "builtin")) {
+ enum udev_builtin_cmd cmd = udev_builtin_lookup(value);
+
+ dbg(rules->udev, "IMPORT execute builtin\n");
+ if (cmd < UDEV_BUILTIN_MAX)
+ rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, NULL, &cmd);
+ else
+ err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+ } else if (strstr(attr, "file")) {
dbg(rules->udev, "IMPORT will be included as file\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
- } else if (attr != NULL && strstr(attr, "db")) {
+ } else if (strstr(attr, "db")) {
dbg(rules->udev, "IMPORT will include db values\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
- } else if (attr != NULL && strstr(attr, "cmdline")) {
+ } else if (strstr(attr, "cmdline")) {
dbg(rules->udev, "IMPORT will include db values\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
- } else if (attr != NULL && strstr(attr, "parent")) {
+ } else if (strstr(attr, "parent")) {
dbg(rules->udev, "IMPORT will include the parent values\n");
rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
- } else {
- /* figure it out if it is executable */
- char file[UTIL_PATH_SIZE];
- char *pos;
- struct stat statbuf;
-
- /* allow programs in /lib/udev called without the path */
- if (value[0] != '/')
- util_strscpyl(file, sizeof(file), LIBEXECDIR "/", value, NULL);
- else
- util_strscpy(file, sizeof(file), value);
- pos = strchr(file, ' ');
- if (pos)
- pos[0] = '\0';
- dbg(rules->udev, "IMPORT auto mode for '%s'\n", file);
- if (stat(file, &statbuf) == 0 && (statbuf.st_mode & S_IXUSR)) {
- dbg(rules->udev, "IMPORT will be executed (autotype)\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
- } else {
- dbg(rules->udev, "IMPORT will be included as file (autotype)\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
- }
}
continue;
}
@@ -2349,6 +2365,35 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
goto nomatch;
break;
}
+ case TK_M_IMPORT_BUILTIN: {
+ /* check if we ran already */
+ if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
+ info(event->udev, "IMPORT builtin skip '%s' %s:%u\n",
+ udev_builtin_name(cur->key.builtin_cmd),
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ /* return the result from earlier run */
+ if (event->builtin_ret & (1 << cur->key.builtin_cmd))
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ /* mark as ran */
+ event->builtin_run |= (1 << cur->key.builtin_cmd);
+ info(event->udev, "IMPORT builtin '%s' %s:%u\n",
+ udev_builtin_name(cur->key.builtin_cmd),
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ if (udev_builtin_run(event->dev, cur->key.builtin_cmd, false) != 0) {
+ /* remember failure */
+ info(rules->udev, "IMPORT builtin '%s' returned non-zero\n",
+ udev_builtin_name(cur->key.builtin_cmd));
+ event->builtin_ret |= (1 << cur->key.builtin_cmd);
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ }
+ break;
+ }
case TK_M_IMPORT_DB: {
const char *key = &rules->buf[cur->key.value_off];
const char *value;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-24 08:35:58 +0000