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Diffstat (limited to 'namedev_parse.c')
-rw-r--r--namedev_parse.c43
1 files changed, 39 insertions, 4 deletions
diff --git a/namedev_parse.c b/namedev_parse.c
index e6575fa108..20ff60d640 100644
--- a/namedev_parse.c
+++ b/namedev_parse.c
@@ -85,6 +85,35 @@ void dump_perm_dev_list(void)
dump_perm_dev(dev);
}
+/* extract possible KEY{attr} or KEY_attr */
+static char *get_key_attribute(char *str)
+{
+ char *pos;
+ char *attr;
+
+ attr = strchr(str, '_');
+ if (attr != NULL) {
+ attr++;
+ dbg("attribute='%s'", attr);
+ return attr;
+ }
+
+ attr = strchr(str, '{');
+ if (attr != NULL) {
+ attr++;
+ pos = strchr(attr, '}');
+ if (pos == NULL) {
+ dbg("missing closing brace for format");
+ return NULL;
+ }
+ pos[0] = '\0';
+ dbg("attribute='%s'", attr);
+ return attr;
+ }
+
+ return NULL;
+}
+
int namedev_init_rules(void)
{
char line[255];
@@ -92,6 +121,7 @@ int namedev_init_rules(void)
char *temp;
char *temp2;
char *temp3;
+ char *attr;
FILE *fd;
int program_given = 0;
int retval = 0;
@@ -164,8 +194,12 @@ int namedev_init_rules(void)
++pair;
}
if (pair) {
- /* remove prepended 'SYSFS_' */
- strfieldcpy(pair->file, temp2 + sizeof(FIELD_SYSFS)-1);
+ attr = get_key_attribute(temp2 + sizeof(FIELD_SYSFS)-1);
+ if (attr == NULL) {
+ dbg("error parsing " FIELD_SYSFS " attribute");
+ continue;
+ }
+ strfieldcpy(pair->file, attr);
strfieldcpy(pair->value, temp3);
}
continue;
@@ -205,12 +239,13 @@ int namedev_init_rules(void)
/* simple plausibility check for given keys */
if ((dev.sysfs_pair[0].file[0] == '\0') ^
(dev.sysfs_pair[0].value[0] == '\0')) {
- dbg("inconsistency in SYSFS_ key");
+ dbg("inconsistency in " FIELD_SYSFS " key");
goto error;
}
if ((dev.result[0] != '\0') && (program_given == 0)) {
- dbg("RESULT is only useful when PROGRAM called in any rule before");
+ dbg(FIELD_RESULT " is only useful when "
+ FIELD_PROGRAM " is called in any rule before");
goto error;
}