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Diffstat (limited to 'builtin-mailinfo.c')
-rw-r--r--builtin-mailinfo.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c
index 3577382d70..dacc8ac2d0 100644
--- a/builtin-mailinfo.c
+++ b/builtin-mailinfo.c
@@ -107,7 +107,7 @@ static void handle_from(const struct strbuf *from)
el = strcspn(at, " \n\t\r\v\f>");
strbuf_reset(&email);
strbuf_add(&email, at, el);
- strbuf_remove(&f, at - f.buf, el + 1);
+ strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0));
/* The remainder is name. It could be "John Doe <john.doe@xz>"
* or "john.doe@xz (John Doe)", but we have removed the
@@ -175,7 +175,7 @@ static void handle_content_type(struct strbuf *line)
message_type = TYPE_OTHER;
if (slurp_attr(line->buf, "boundary=", boundary)) {
strbuf_insert(boundary, 0, "--", 2);
- if (content_top++ >= &content[MAX_BOUNDARIES]) {
+ if (++content_top > &content[MAX_BOUNDARIES]) {
fprintf(stderr, "Too many boundaries to handle\n");
exit(1);
}
@@ -430,13 +430,6 @@ static struct strbuf *decode_b_segment(const struct strbuf *b_seg)
c -= 'a' - 26;
else if ('0' <= c && c <= '9')
c -= '0' - 52;
- else if (c == '=') {
- /* padding is almost like (c == 0), except we do
- * not output NUL resulting only from it;
- * for now we just trust the data.
- */
- c = 0;
- }
else
continue; /* garbage */
switch (pos++) {
@@ -514,7 +507,25 @@ static int decode_header_bq(struct strbuf *it)
rfc2047 = 1;
if (in != ep) {
- strbuf_add(&outbuf, in, ep - in);
+ /*
+ * We are about to process an encoded-word
+ * that begins at ep, but there is something
+ * before the encoded word.
+ */
+ char *scan;
+ for (scan = in; scan < ep; scan++)
+ if (!isspace(*scan))
+ break;
+
+ if (scan != ep || in == it->buf) {
+ /*
+ * We should not lose that "something",
+ * unless we have just processed an
+ * encoded-word, and there is only LWS
+ * before the one we are about to process.
+ */
+ strbuf_add(&outbuf, in, ep - in);
+ }
in = ep;
}
/* E.g.
@@ -603,7 +614,7 @@ static void handle_filter(struct strbuf *line);
static int find_boundary(void)
{
while (!strbuf_getline(&line, fin, '\n')) {
- if (is_multipart_boundary(&line))
+ if (*content_top && is_multipart_boundary(&line))
return 1;
}
return 0;
@@ -626,7 +637,7 @@ again:
/* technically won't happen as is_multipart_boundary()
will fail first. But just in case..
*/
- if (content_top-- < content) {
+ if (--content_top < content) {
fprintf(stderr, "Detected mismatched boundaries, "
"can't recover\n");
exit(1);
@@ -860,6 +871,7 @@ static void handle_info(void)
}
output_header_lines(fout, "Subject", hdr);
} else if (!memcmp(header[i], "From", 4)) {
+ cleanup_space(hdr);
handle_from(hdr);
fprintf(fout, "Author: %s\n", name.buf);
fprintf(fout, "Email: %s\n", email.buf);