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snapshot: support tar signature for compressed tar
This adds support for kernel.org style signatures where the uncompressed tar archive is signed and compressed later. The signature is valid for all tar* snapshots. We have a filter which snapshots may be generated and downloaded. This has to allow tar signatures now even if tar itself is not allowed. To simplify things we allow all signatures. Signed-off-by: Christian Hesse <mail@eworm.de>
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@ -1114,7 +1114,7 @@ void cgit_compose_snapshot_prefix(struct strbuf *filename, const char *base,
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void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
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void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
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const char *separator)
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const char *separator)
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{
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{
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const struct cgit_snapshot_format* f;
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const struct cgit_snapshot_format *f;
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struct strbuf filename = STRBUF_INIT;
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struct strbuf filename = STRBUF_INIT;
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const char *basename;
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const char *basename;
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size_t prefixlen;
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size_t prefixlen;
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@ -1139,6 +1139,13 @@ void cgit_print_snapshot_links(const struct cgit_repo *repo, const char *ref,
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cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
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cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
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filename.buf);
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filename.buf);
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html(")");
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html(")");
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} else if (starts_with(f->suffix, ".tar") && cgit_snapshot_get_sig(ref, &cgit_snapshot_formats[0])) {
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strbuf_setlen(&filename, strlen(filename.buf) - strlen(f->suffix));
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strbuf_addstr(&filename, ".tar.asc");
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html(" (");
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cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
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filename.buf);
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html(")");
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}
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}
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html(separator);
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html(separator);
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}
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}
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@ -86,6 +86,7 @@ static int write_tar_xz_archive(const char *hex, const char *prefix)
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}
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}
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const struct cgit_snapshot_format cgit_snapshot_formats[] = {
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const struct cgit_snapshot_format cgit_snapshot_formats[] = {
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/* .tar must remain the 0 index */
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{ ".tar", "application/x-tar", write_tar_archive },
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{ ".tar", "application/x-tar", write_tar_archive },
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{ ".tar.gz", "application/x-gzip", write_tar_gzip_archive },
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{ ".tar.gz", "application/x-gzip", write_tar_gzip_archive },
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{ ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive },
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{ ".tar.bz2", "application/x-bzip2", write_tar_bzip2_archive },
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@ -268,7 +269,7 @@ void cgit_print_snapshot(const char *head, const char *hex,
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}
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}
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f = get_format(filename);
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f = get_format(filename);
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if (!f || !(ctx.repo->snapshots & cgit_snapshot_format_bit(f))) {
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if (!f || (!sig_filename && !(ctx.repo->snapshots & cgit_snapshot_format_bit(f)))) {
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cgit_print_error_page(400, "Bad request",
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cgit_print_error_page(400, "Bad request",
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"Unsupported snapshot format: %s", filename);
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"Unsupported snapshot format: %s", filename);
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return;
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return;
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