return 0;
}
-static void add_rfc2047(struct strbuf *sb, const char *line, int len,
+static void add_rfc2047(struct strbuf *sb, const char *line, size_t len,
const char *encoding, enum rfc2047_type type)
{
static const int max_encoded_length = 76; /* per rfc2047 */
strbuf_grow(sb, len * 3 + strlen(encoding) + 100);
strbuf_addf(sb, "=?%s?q?", encoding);
line_len += strlen(encoding) + 5; /* 5 for =??q? */
- for (i = 0; i < len; i++) {
- unsigned ch = line[i] & 0xFF;
- int is_special = is_rfc2047_special(ch, type);
+
+ while (len) {
+ /*
+ * RFC 2047, section 5 (3):
+ *
+ * Each 'encoded-word' MUST represent an integral number of
+ * characters. A multi-octet character may not be split across
+ * adjacent 'encoded- word's.
+ */
+ const unsigned char *p = (const unsigned char *)line;
+ int chrlen = mbs_chrlen(&line, &len, encoding);
+ int is_special = (chrlen > 1) || is_rfc2047_special(*p, type);
+
+ /* "=%02X" * chrlen, or the byte itself */
+ const char *encoded_fmt = is_special ? "=%02X" : "%c";
+ int encoded_len = is_special ? 3 * chrlen : 1;
/*
* According to RFC 2047, we could encode the special character
* causes ' ' to be encoded as '=20', avoiding this problem.
*/
- if (line_len + 2 + (is_special ? 3 : 1) > max_encoded_length) {
+ if (line_len + encoded_len + 2 > max_encoded_length) {
+ /* It won't fit with trailing "?=" --- break the line */
strbuf_addf(sb, "?=\n =?%s?q?", encoding);
line_len = strlen(encoding) + 5 + 1; /* =??q? plus SP */
}
- if (is_special) {
- strbuf_addf(sb, "=%02X", ch);
- line_len += 3;
- } else {
- strbuf_addch(sb, ch);
- line_len++;
- }
+ for (i = 0; i < chrlen; i++)
+ strbuf_addf(sb, encoded_fmt, p[i]);
+ line_len += encoded_len;
}
strbuf_addstr(sb, "?=");
}
const struct pretty_print_context *pretty_ctx;
unsigned commit_header_parsed:1;
unsigned commit_message_parsed:1;
- unsigned commit_signature_parsed:1;
- struct {
- char *gpg_output;
- char good_bad;
- char *signer;
- } signature;
+ struct signature_check signature_check;
char *message;
size_t width, indent1, indent2;
c->indent2 = new_indent2;
}
-static struct {
- char result;
- const char *check;
-} signature_check[] = {
- { 'G', ": Good signature from " },
- { 'B', ": BAD signature from " },
-};
-
-static void parse_signature_lines(struct format_commit_context *ctx)
-{
- const char *buf = ctx->signature.gpg_output;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(signature_check); i++) {
- const char *found = strstr(buf, signature_check[i].check);
- const char *next;
- if (!found)
- continue;
- ctx->signature.good_bad = signature_check[i].result;
- found += strlen(signature_check[i].check);
- next = strchrnul(found, '\n');
- ctx->signature.signer = xmemdupz(found, next - found);
- break;
- }
-}
-
-static void parse_commit_signature(struct format_commit_context *ctx)
-{
- struct strbuf payload = STRBUF_INIT;
- struct strbuf signature = STRBUF_INIT;
- struct strbuf gpg_output = STRBUF_INIT;
- int status;
-
- ctx->commit_signature_parsed = 1;
-
- if (parse_signed_commit(ctx->commit->object.sha1,
- &payload, &signature) <= 0)
- goto out;
- status = verify_signed_buffer(payload.buf, payload.len,
- signature.buf, signature.len,
- &gpg_output);
- if (status && !gpg_output.len)
- goto out;
- ctx->signature.gpg_output = strbuf_detach(&gpg_output, NULL);
- parse_signature_lines(ctx);
-
- out:
- strbuf_release(&gpg_output);
- strbuf_release(&payload);
- strbuf_release(&signature);
-}
-
-
static int format_reflog_person(struct strbuf *sb,
char part,
struct reflog_walk_info *log,
}
if (placeholder[0] == 'G') {
- if (!c->commit_signature_parsed)
- parse_commit_signature(c);
+ if (!c->signature_check.result)
+ check_commit_signature(c->commit, &(c->signature_check));
switch (placeholder[1]) {
case 'G':
- if (c->signature.gpg_output)
- strbuf_addstr(sb, c->signature.gpg_output);
+ if (c->signature_check.gpg_output)
+ strbuf_addstr(sb, c->signature_check.gpg_output);
break;
case '?':
- switch (c->signature.good_bad) {
+ switch (c->signature_check.result) {
case 'G':
case 'B':
- strbuf_addch(sb, c->signature.good_bad);
+ strbuf_addch(sb, c->signature_check.result);
}
break;
case 'S':
- if (c->signature.signer)
- strbuf_addstr(sb, c->signature.signer);
+ if (c->signature_check.signer)
+ strbuf_addstr(sb, c->signature_check.signer);
+ break;
+ case 'K':
+ if (c->signature_check.key)
+ strbuf_addstr(sb, c->signature_check.key);
break;
}
return 2;
rewrap_message_tail(sb, &context, 0, 0, 0);
logmsg_free(context.message, commit);
- free(context.signature.gpg_output);
- free(context.signature.signer);
+ free(context.signature_check.gpg_output);
+ free(context.signature_check.signer);
}
static void pp_header(const struct pretty_print_context *pp,