#include <err.h>
#include <ccan/talloc/talloc.h>
#include <ccan/str/str.h>
+#include <ccan/str_talloc/str_talloc.h>
-struct ccanlint has_license;
-
-static struct doc_section *find_license(const struct manifest *m)
+static struct doc_section *find_license_tag(const struct manifest *m)
{
struct doc_section *d;
return NULL;
}
-static const char *expected_link(const struct manifest *m,
- struct doc_section *d)
+/* See GPLv2 and v2 (basically same wording) for interpreting versions:
+ * the "any later version" means the recepient can choose. */
+static enum license which_license(struct doc_section *d)
{
- if (streq(d->lines[0], "GPL")
- || streq(d->lines[0], "GPLv3")
- || streq(d->lines[0], "GPLv3 or later")
- || streq(d->lines[0], "GPLv3 (or later)")
- || streq(d->lines[0], "GPL (3 or any later version)"))
- return "../../licenses/GPL-3";
- if (streq(d->lines[0], "GPLv2")
- || streq(d->lines[0], "GPLv2 or later")
- || streq(d->lines[0], "GPLv2 (or later)")
- || streq(d->lines[0], "GPL (2 or any later version)"))
- return "../../licenses/GPL-3";
- if (streq(d->lines[0], "LGPL")
- || streq(d->lines[0], "LGPLv3")
- || streq(d->lines[0], "LGPLv3 or later")
- || streq(d->lines[0], "LGPLv3 (or later)")
- || streq(d->lines[0], "LGPL (3 or any later version)"))
- return "../../licenses/LGPL-3";
- if (streq(d->lines[0], "LGPLv2")
- || streq(d->lines[0], "LGPLv2 or later")
- || streq(d->lines[0], "LGPLv2 (or later)")
- || streq(d->lines[0], "LGPL (2 or any later version)"))
+ /* This means "user chooses what version", including GPLv1! */
+ if (streq(d->lines[0], "GPL"))
+ return LICENSE_GPL;
+ /* This means "v2 only". */
+ if (streq(d->lines[0], "GPLv2"))
+ return LICENSE_GPLv2;
+ /* This means "v2 or above" at user's choice. */
+ if (streq(d->lines[0], "GPL (v2 or any later version)"))
+ return LICENSE_GPLv2_PLUS;
+ /* This means "v3 or above" at user's choice. */
+ if (streq(d->lines[0], "GPL (v3 or any later version)"))
+ return LICENSE_GPLv3;
+
+ /* This means "user chooses what version" */
+ if (streq(d->lines[0], "LGPL"))
+ return LICENSE_LGPL;
+ /* This means "v2.1 only". */
+ if (streq(d->lines[0], "LGPLv2.1"))
+ return LICENSE_LGPLv2;
+ /* This means "v2.1 or above" at user's choice. */
+ if (streq(d->lines[0], "LGPL (v2.1 or any later version)"))
+ return LICENSE_LGPLv2_PLUS;
+ /* This means "v3 or above" at user's choice. */
+ if (streq(d->lines[0], "LGPL (v3 or any later version)"))
+ return LICENSE_LGPLv3;
+
+ if (streq(d->lines[0], "BSD-MIT") || streq(d->lines[0], "MIT"))
+ return LICENSE_MIT;
+ if (streq(d->lines[0], "BSD (3 clause)"))
+ return LICENSE_BSD;
+ if (strreg(NULL, d->lines[0], "[Pp]ublic [Dd]omain"))
+ return LICENSE_PUBLIC_DOMAIN;
+
+ return LICENSE_UNKNOWN;
+}
+
+static const char *expected_link(enum license license)
+{
+ switch (license) {
+ case LICENSE_LGPLv2_PLUS:
+ case LICENSE_LGPLv2:
return "../../licenses/LGPL-2.1";
- if (streq(d->lines[0], "BSD")
- || streq(d->lines[0], "BSD-MIT")
- || streq(d->lines[0], "MIT"))
+ case LICENSE_LGPLv3:
+ case LICENSE_LGPL:
+ return "../../licenses/LGPL-3";
+
+ case LICENSE_GPLv2_PLUS:
+ case LICENSE_GPLv2:
+ return "../../licenses/GPL-2";
+
+ case LICENSE_GPLv3:
+ case LICENSE_GPL:
+ return "../../licenses/GPL-3";
+
+ case LICENSE_BSD:
+ return "../../licenses/BSD-3CLAUSE";
+
+ case LICENSE_MIT:
return "../../licenses/BSD-MIT";
- return NULL;
+
+ default:
+ return NULL;
+ }
}
static void handle_license_link(struct manifest *m, struct score *score)
{
+ struct doc_section *d = find_license_tag(m);
const char *link = talloc_asprintf(m, "%s/LICENSE", m->dir);
- struct doc_section *d = find_license(m);
- const char *ldest = expected_link(m, d);
+ const char *ldest = expected_link(m->license);
char *q;
printf(
}
}
+extern struct ccanlint license_exists;
+
static void check_has_license(struct manifest *m,
bool keep,
unsigned int *timeleft, struct score *score)
const char *expected;
struct doc_section *d;
- d = find_license(m);
+ d = find_license_tag(m);
if (!d) {
- score->error = "No License: tag in _info";
+ score->error = talloc_strdup(score, "No License: tag in _info");
+ return;
+ }
+
+ m->license = which_license(d);
+ if (m->license == LICENSE_UNKNOWN) {
+ score_file_error(score, m->info_file, d->srcline,
+ "WARNING: unknown License: in _info: %s",
+ d->lines[0]);
+ /* FIXME: For historical reasons, don't fail here. */
+ score->pass = true;
return;
}
- expected = expected_link(m, d);
+
+ /* If they have a license tag at all, we pass. */
+ score->pass = true;
+
+ expected = expected_link(m->license);
len = readlink(license, buf, sizeof(buf));
if (len < 0) {
/* Could be a real file... OK if not a standard license. */
if (errno == EINVAL) {
if (!expected) {
- score->pass = true;
+ score->score = score->total;
return;
}
score->error
return;
}
if (errno == ENOENT) {
- score->error = "LICENSE does not exist";
+ /* Public domain doesn't really need a file. */
+ if (m->license == LICENSE_PUBLIC_DOMAIN) {
+ score->score = score->total;
+ return;
+ }
+ score->error = talloc_strdup(score,
+ "LICENSE does not exist");
if (expected)
- has_license.handle = handle_license_link;
+ license_exists.handle = handle_license_link;
return;
}
err(1, "readlink on %s", license);
.check = check_has_license,
.needs = "info_exists"
};
-
REGISTER_TEST(license_exists);
projects / ccan / blobdiff