From: Santiago Torres <santi...@nyu.edu>
The PGP verification routine for tags could be accessed by other
commands that require it. We do this by moving it to the common tag.c
code. We rename the verify_tag() function to pgp_verify_tag() to avoid
conflicts with the mktag.c function.
Signed-off-by: Santiago Torres <santi...@nyu.edu>
---
builtin/verify-tag.c | 51 +--------------------------------------------------
tag.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
tag.h | 1 +
3 files changed, 52 insertions(+), 50 deletions(-)
diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c
index 77f070a..f776778 100644
--- a/builtin/verify-tag.c
+++ b/builtin/verify-tag.c
@@ -18,55 +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;
- int len;
- int ret;
-
- memset(&sigc, 0, sizeof(sigc));
-
- len = parse_signature(buf, size);
-
- if (size == len) {
- if (flags & GPG_VERIFY_VERBOSE)
- write_in_full(1, buf, len);
- return error("no signature found");
- }
-
- ret = check_signature(buf, len, buf + len, size - len, &sigc);
- print_signature_buffer(&sigc, flags);
-
- signature_check_clear(&sigc);
- return ret;
-}
-
-static int verify_tag(const char *name, unsigned flags)
-{
- enum object_type type;
- unsigned char sha1[20];
- char *buf;
- unsigned long size;
- int ret;
-
- if (get_sha1(name, sha1))
- return error("tag '%s' not found.", name);
-
- type = sha1_object_info(sha1, NULL);
- if (type != OBJ_TAG)
- return error("%s: cannot verify a non-tag object of type %s.",
- name, typename(type));
-
- buf = read_sha1_file(sha1, &type, &size);
- if (!buf)
- return error("%s: unable to read file.", name);
-
- 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);
@@ -96,7 +47,7 @@ int cmd_verify_tag(int argc, const char **argv, const char
*prefix)
flags |= GPG_VERIFY_VERBOSE;
while (i < argc)
- if (verify_tag(argv[i++], flags))
+ if (pgp_verify_tag(argv[i++], flags))
had_error = 1;
return had_error;
}
diff --git a/tag.c b/tag.c
index d72f742..918ae39 100644
--- a/tag.c
+++ b/tag.c
@@ -6,6 +6,56 @@
const char *tag_type = "tag";
+static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags)
+{
+ struct signature_check sigc;
+ int payload_size;
+ int ret;
+
+ memset(&sigc, 0, sizeof(sigc));
+
+ payload_size = parse_signature(buf, size);
+
+ if (size == payload_size) {
+ write_in_full(1, buf, payload_size);
+ return error("No PGP signature found in this tag!");
+ }
+
+ ret = check_signature(buf, payload_size, buf + payload_size,
+ size - payload_size, &sigc);
+ print_signature_buffer(&sigc, flags);
+
+ signature_check_clear(&sigc);
+ return ret;
+}
+
+int pgp_verify_tag(const char *name, unsigned flags)
+{
+
+ enum object_type type;
+ unsigned long size;
+ unsigned char sha1[20];
+ char* buf;
+ int ret;
+
+ if (get_sha1(name, sha1))
+ return error("tag '%s' not found.", name);
+
+ type = sha1_object_info(sha1, NULL);
+ if (type != OBJ_TAG)
+ return error("%s: cannot verify a non-tag object of type %s.",
+ name, typename(type));
+
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return error("%s: unable to read file.", name);
+
+ 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..09e71f9 100644
--- a/tag.h
+++ b/tag.h
@@ -17,5 +17,6 @@ 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 pgp_verify_tag(const char *name, unsigned flags);
#endif /* TAG_H */
--
2.8.0
--
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