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| author | Dave Reisner <dreisner@archlinux.org> | 2012-03-27 23:10:34 -0400 |
|---|---|---|
| committer | Dan McGee <dan@archlinux.org> | 2012-03-28 09:55:14 -0500 |
| commit | be0e0444040dc7d84e86c5b5e60b786441c4d97e (patch) | |
| tree | 52990f33b63de0bf186f031cff53a74407c59fd6 | |
| parent | f988aa6b32503f5d4003b1402089df74adf8b485 (diff) | |
| download | pacman-be0e0444040dc7d84e86c5b5e60b786441c4d97e.tar.xz | |
signing: cope with gpg2's failure at life
For key searches only, gpg2 will fail to lookup any and all keys that
are not prefixed with 0x.
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>
| -rw-r--r-- | lib/libalpm/signing.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/libalpm/signing.c b/lib/libalpm/signing.c index 3ec957de..fc8dd5bb 100644 --- a/lib/libalpm/signing.c +++ b/lib/libalpm/signing.c @@ -234,6 +234,14 @@ static int key_search(alpm_handle_t *handle, const char *fpr, gpgme_keylist_mode_t mode; gpgme_key_t key; int ret = -1; + size_t fpr_len; + char *full_fpr; + + /* gpg2 goes full retard here. For key searches ONLY, we need to prefix the + * key fingerprint with 0x, or the lookup will fail. */ + fpr_len = strlen(fpr); + MALLOC(full_fpr, fpr_len + 3, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); + sprintf(full_fpr, "0x%s", fpr); memset(&ctx, 0, sizeof(ctx)); err = gpgme_new(&ctx); @@ -248,14 +256,14 @@ static int key_search(alpm_handle_t *handle, const char *fpr, _alpm_log(handle, ALPM_LOG_DEBUG, "looking up key %s remotely\n", fpr); - err = gpgme_get_key(ctx, fpr, &key, 0); + err = gpgme_get_key(ctx, full_fpr, &key, 0); if(gpg_err_code(err) == GPG_ERR_EOF) { _alpm_log(handle, ALPM_LOG_DEBUG, "key lookup failed, unknown key\n"); /* Try an alternate lookup using the 8 character fingerprint value, since * busted-ass keyservers can't support lookups using subkeys with the full * value as of now. This is why 2012 is not the year of PGP encryption. */ - if(strlen(fpr) > 8) { - const char *short_fpr = fpr + strlen(fpr) - 8; + if(fpr_len > 8) { + const char *short_fpr = memcpy(&full_fpr[fpr_len - 8], "0x", 2); _alpm_log(handle, ALPM_LOG_DEBUG, "looking up key %s remotely\n", short_fpr); err = gpgme_get_key(ctx, short_fpr, &key, 0); @@ -289,6 +297,7 @@ static int key_search(alpm_handle_t *handle, const char *fpr, error: _alpm_log(handle, ALPM_LOG_DEBUG, "gpg error: %s\n", gpgme_strerror(err)); + free(full_fpr); gpgme_release(ctx); return ret; } |