From: Santiago Torres <santiago@xxxxxxx>
The PGP verification routine for tags could be accessed by other modules
that require to do so.
Publish the verify_tag function in tag.c and rename it to gpg_verify_tag
so it does not conflict with builtin/mktag's static function.
Helped-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Santiago Torres <santiago@xxxxxxx>
---
builtin/verify-tag.c | 55 +---------------------------------------------------
tag.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++
tag.h | 2 ++
3 files changed, 56 insertions(+), 54 deletions(-)
diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c
index 01e956f..714c899 100644
--- a/builtin/verify-tag.c
+++ b/builtin/verify-tag.c
@@ -18,59 +18,6 @@ static const char * const verify_tag_usage[] = {
NULL
};
-static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
-{
- struct signature_check sigc;
- size_t payload_size;
- int ret;
-
- memset(&sigc, 0, sizeof(sigc));
-
- payload_size = parse_signature(buf, size);
-
- if (size == payload_size) {
- if (flags & GPG_VERIFY_VERBOSE)
- write_in_full(1, buf, payload_size);
- return error("no signature found");
- }
-
- ret = check_signature(buf, payload_size, buf + payload_size,
- size - payload_size, &sigc);
- print_signature_buffer(&sigc, flags);
-
- signature_check_clear(&sigc);
- return ret;
-}
-
-static int verify_tag(const unsigned char *sha1, const char *name_to_report,
- unsigned flags)
-{
- enum object_type type;
- char *buf;
- unsigned long size;
- int ret;
-
- type = sha1_object_info(sha1, NULL);
- if (type != OBJ_TAG)
- return error("%s: cannot verify a non-tag object of type %s.",
- name_to_report ?
- name_to_report :
- find_unique_abbrev(sha1, DEFAULT_ABBREV),
- typename(type));
-
- buf = read_sha1_file(sha1, &type, &size);
- if (!buf)
- return error("%s: unable to read file.",
- name_to_report ?
- name_to_report :
- find_unique_abbrev(sha1, DEFAULT_ABBREV));
-
- ret = run_gpg_verify(buf, size, flags);
-
- free(buf);
- return ret;
-}
-
static int git_verify_tag_config(const char *var, const char *value, void *cb)
{
int status = git_gpg_config(var, value, cb);
@@ -105,7 +52,7 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix)
name = argv[i++];
if (get_sha1(name, sha1))
had_error = !!error("tag '%s' not found.", name);
- else if (verify_tag(sha1, name, flags))
+ else if (gpg_verify_tag(sha1, name, flags))
had_error = 1;
}
return had_error;
diff --git a/tag.c b/tag.c
index d72f742..ace619a 100644
--- a/tag.c
+++ b/tag.c
@@ -6,6 +6,59 @@
const char *tag_type = "tag";
+static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
+{
+ struct signature_check sigc;
+ size_t payload_size;
+ int ret;
+
+ memset(&sigc, 0, sizeof(sigc));
+
+ payload_size = parse_signature(buf, size);
+
+ if (size == payload_size) {
+ if (flags & GPG_VERIFY_VERBOSE)
+ write_in_full(1, buf, payload_size);
+ return error("no signature found");
+ }
+
+ ret = check_signature(buf, payload_size, buf + payload_size,
+ size - payload_size, &sigc);
+ print_signature_buffer(&sigc, flags);
+
+ signature_check_clear(&sigc);
+ return ret;
+}
+
+extern int gpg_verify_tag(const unsigned char *sha1,
+ const char *name_to_report, unsigned flags)
+{
+ enum object_type type;
+ char *buf;
+ unsigned long size;
+ int ret;
+
+ type = sha1_object_info(sha1, NULL);
+ if (type != OBJ_TAG)
+ return error("%s: cannot verify a non-tag object of type %s.",
+ name_to_report ?
+ name_to_report :
+ find_unique_abbrev(sha1, DEFAULT_ABBREV),
+ typename(type));
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return error("%s: unable to read file.",
+ name_to_report ?
+ name_to_report :
+ find_unique_abbrev(sha1, DEFAULT_ABBREV));
+
+ ret = run_gpg_verify(buf, size, flags);
+
+ free(buf);
+ return ret;
+}
+
struct object *deref_tag(struct object *o, const char *warn, int warnlen)
{
while (o && o->type == OBJ_TAG)
diff --git a/tag.h b/tag.h
index f4580ae..a5721b6 100644
--- a/tag.h
+++ b/tag.h
@@ -17,5 +17,7 @@ extern int parse_tag_buffer(struct tag *item, const void *data, unsigned long si
extern int parse_tag(struct tag *item);
extern struct object *deref_tag(struct object *, const char *, int);
extern struct object *deref_tag_noverify(struct object *);
+extern int gpg_verify_tag(const unsigned char *sha1,
+ const char *name_to_report, unsigned flags);
#endif /* TAG_H */
--
2.8.0
--
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