static void mime_param_free(MIME_PARAM *param);
static int mime_bound_check(char *line, int linelen, char *bound, int blen);
static int multi_split(BIO *bio, char *bound, STACK_OF(BIO) **ret);
-static int strip_eol(char *linebuf, int *plen);
+static int strip_eol(char *linebuf, int *plen, int flags);
static MIME_HEADER *mime_hdr_find(STACK_OF(MIME_HEADER) *hdrs, char *name);
static MIME_PARAM *mime_param_find(MIME_HEADER *hdr, char *name);
static void mime_hdr_free(MIME_HEADER *hdr);
BIO *tmpbio;
const ASN1_AUX *aux = it->funcs;
ASN1_STREAM_ARG sarg;
+ int rv = 1;
- if (!(flags & SMIME_DETACHED))
+ /* If data is not deteched or resigning then the output BIO is
+ * already set up to finalise when it is written through.
+ */
+ if (!(flags & SMIME_DETACHED) || (flags & PKCS7_REUSE_DIGEST))
{
SMIME_crlf_copy(data, out, flags);
return 1;
/* Finalize structure */
if (aux->asn1_cb(ASN1_OP_DETACHED_POST, &val, it, &sarg) <= 0)
- return 0;
+ rv = 0;
/* Now remove any digests prepended to the BIO */
sarg.ndef_bio = tmpbio;
}
- return 1;
+ return rv;
}
if(strcmp(hdr->value, "application/x-pkcs7-signature") &&
strcmp(hdr->value, "application/pkcs7-signature")) {
- sk_MIME_HEADER_pop_free(headers, mime_hdr_free);
ASN1err(ASN1_F_SMIME_READ_ASN1,ASN1_R_SIG_INVALID_MIME_TYPE);
ERR_add_error_data(2, "type: ", hdr->value);
+ sk_MIME_HEADER_pop_free(headers, mime_hdr_free);
sk_BIO_pop_free(parts, BIO_vfree);
return NULL;
}
}
else
{
+ int eolcnt = 0;
if(flags & SMIME_TEXT)
BIO_printf(out, "Content-Type: text/plain\r\n\r\n");
while ((len = BIO_gets(in, linebuf, MAX_SMLEN)) > 0)
{
- eol = strip_eol(linebuf, &len);
+ eol = strip_eol(linebuf, &len, flags);
if (len)
+ {
+ /* Not EOF: write out all CRLF */
+ if (flags & SMIME_ASCIICRLF)
+ {
+ int i;
+ for(i = 0; i < eolcnt; i++)
+ BIO_write(out, "\r\n", 2);
+ eolcnt = 0;
+ }
BIO_write(out, linebuf, len);
- if(eol) BIO_write(out, "\r\n", 2);
+ if(eol)
+ BIO_write(out, "\r\n", 2);
+ }
+ else if (flags & SMIME_ASCIICRLF)
+ eolcnt++;
+ else if(eol)
+ BIO_write(out, "\r\n", 2);
}
}
(void)BIO_flush(out);
return 1;
} else if(part) {
/* Strip CR+LF from linebuf */
- next_eol = strip_eol(linebuf, &len);
+ next_eol = strip_eol(linebuf, &len, 0);
if(first) {
first = 0;
if(bpart) sk_BIO_push(parts, bpart);
int len, state, save_state = 0;
headers = sk_MIME_HEADER_new(mime_hdr_cmp);
+ if (!headers)
+ return NULL;
while ((len = BIO_gets(bio, linebuf, MAX_SMLEN)) > 0) {
/* If whitespace at line start then continuation line */
if(mhdr && isspace((unsigned char)linebuf[0])) state = MIME_NAME;
static int mime_hdr_cmp(const MIME_HEADER * const *a,
const MIME_HEADER * const *b)
{
+ if (!(*a)->name || !(*b)->name)
+ return !!(*a)->name - !!(*b)->name;
+
return(strcmp((*a)->name, (*b)->name));
}
static int mime_param_cmp(const MIME_PARAM * const *a,
const MIME_PARAM * const *b)
{
+ if (!(*a)->param_name || !(*b)->param_name)
+ return !!(*a)->param_name - !!(*b)->param_name;
return(strcmp((*a)->param_name, (*b)->param_name));
}
return 0;
}
-static int strip_eol(char *linebuf, int *plen)
+static int strip_eol(char *linebuf, int *plen, int flags)
{
int len = *plen;
char *p, c;
c = *p;
if (c == '\n')
is_eol = 1;
+ else if (is_eol && flags & SMIME_ASCIICRLF && c < 33)
+ continue;
else if (c != '\r')
break;
}