#include <h/mh.h>
#include <fcntl.h>
-#include <h/signals.h>
#include <h/md5.h>
#include <h/mts.h>
#include <h/tws.h>
int bogus_mp_content;
int suppress_extraneous_trailing_semicolon_warning;
int extraneous_trailing_semicolon;
+int suppress_multiple_mime_version_warning = 1;
/* list of preferred type/subtype pairs, for -prefer */
char *preferred_types[NPREFS],
static int parse_header_attrs (const char *, const char *, char **, PM *,
PM *, char **);
static size_t param_len(PM, int, size_t, int *, int *, size_t *);
-static size_t encode_param(PM, char *, size_t, size_t, size_t, int);
static size_t normal_param(PM, char *, size_t, size_t, size_t);
static int get_dispo (char *, CT, int);
m_getfld_state_t gstate = 0;
/* allocate the content structure */
- if (!(ct = (CT) mh_xcalloc (1, sizeof(*ct))))
- adios (NULL, "out of memory");
-
+ NEW0(ct);
ct->c_fp = in;
ct->c_file = add (file, NULL);
ct->c_begin = ftell (ct->c_fp) + 1;
if (!strcasecmp (hp->name, VRSN_FIELD)) {
int ucmp;
char c, *cp, *dp;
+ char *vrsn;
- if (ct->c_vrsn) {
- advise (NULL, "message %s has multiple %s: fields",
- ct->c_file, VRSN_FIELD);
- goto next_header;
- }
- ct->c_vrsn = add (hp->value, NULL);
+ vrsn = add (hp->value, NULL);
/* Now, cleanup this field */
- cp = ct->c_vrsn;
+ cp = vrsn;
while (isspace ((unsigned char) *cp))
cp++;
admonish (NULL, "message %s has unknown value for %s: field (%s)",
ct->c_file, VRSN_FIELD, cp);
}
+ if (!ct->c_vrsn) {
+ ct->c_vrsn = vrsn;
+ } else {
+ if (! suppress_multiple_mime_version_warning)
+ advise (NULL, "message %s has multiple %s: fields",
+ ct->c_file, VRSN_FIELD);
+ free(vrsn);
+ }
}
else if (!strcasecmp (hp->name, TYPE_FIELD)) {
/* Get Content-Type field */
HF hp;
/* allocate header field structure */
- hp = mh_xmalloc (sizeof(*hp));
+ NEW(hp);
/* link data into header structure */
hp->name = name;
*dp = c, cp = dp;
if (!*ci->ci_type) {
- advise (NULL, "invalid %s: field in message %s (empty type)",
+ advise (NULL, "invalid %s: field in message %s (empty type)",
TYPE_FIELD, ct->c_file);
return NOTOK;
}
ct->c_subtype = ct_str_subtype (CT_TEXT, ci->ci_subtype);
/* allocate text character set structure */
- if ((t = (struct text *) mh_xcalloc (1, sizeof(*t))) == NULL)
- adios (NULL, "out of memory");
+ NEW0(t);
ct->c_ctparams = (void *) t;
/* scan for charset parameter */
admonish (NULL,
"\"%s/%s\" type in message %s must be encoded in\n"
- "7bit, 8bit, or binary, per RFC 2045 (6.4). One workaround "
- "is to\nmanually edit the file and change the \"%s\"\n"
+ "7bit, 8bit, or binary, per RFC 2045 (6.4). "
+ "mhfixmsg -fixcte can fix it, or\n"
+ "manually edit the file and change the \"%s\"\n"
"Content-Transfer-Encoding to one of those. For now",
ci->ci_type, ci->ci_subtype, ct->c_file, bp);
free (cte);
}
/* allocate primary structure for multipart info */
- if ((m = (struct multipart *) mh_xcalloc (1, sizeof(*m))) == NULL)
- adios (NULL, "out of memory");
+ NEW0(m);
ct->c_ctparams = (void *) m;
/* check if boundary parameter contains only whitespace characters */
if (strcmp (bufp + 2, m->mp_start))
continue;
next_part:
- if ((part = (struct part *) mh_xcalloc (1, sizeof(*part))) == NULL)
- adios (NULL, "out of memory");
+ NEW0(part);
*next = part;
next = &part->mp_next;
move_preferred_part (CT ct, char *type, char *subtype)
{
struct multipart *m = (struct multipart *) ct->c_ctparams;
- struct part *part, *next, *prev, *head, *nhead, *ntail;
+ struct part *part, *prev, *head, *nhead, *ntail;
struct part h, n;
CI ci;
PM pm;
struct partial *p;
- if ((p = (struct partial *) mh_xcalloc (1, sizeof(*p))) == NULL)
- adios (NULL, "out of memory");
+ NEW0(p);
ct->c_ctparams = (void *) p;
/* scan for parameters "id", "number", and "total" */
CT p;
FILE *fp;
- if ((e = (struct exbody *) mh_xcalloc (1, sizeof(*e))) == NULL)
- adios (NULL, "out of memory");
+ NEW0(e);
ct->c_ctparams = (void *) e;
if (!ct->c_fp
&& p->c_ceopenfnx == openMail) {
int cc, size;
char *bp;
-
+
if ((size = ct->c_end - p->c_begin) <= 0) {
if (!e->eb_subject)
content_error (NULL, ct,
"empty body for access-type=mail-server");
goto no_body;
}
-
+
e->eb_body = bp = mh_xmalloc ((unsigned) size);
fseek (p->c_fp, p->c_begin, SEEK_SET);
while (size > 0)
* BASE64
*/
-static unsigned char b642nib[0x80] = {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0x3e, 0xff, 0xff, 0xff, 0x3f,
- 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
- 0x3c, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
- 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
- 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
- 0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
- 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
- 0x31, 0x32, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff
-};
-
-
static int
InitBase64 (CT ct)
{
static int
openBase64 (CT ct, char **file)
{
- int bitno, cc, digested;
- int fd, len, skip, own_ct_fp = 0, text = ct->c_type == CT_TEXT;
- uint32_t bits;
- unsigned char value, b;
- char *cp, *ep, buffer[BUFSIZ];
+ ssize_t cc, len;
+ int fd, own_ct_fp = 0;
+ char *cp, *buffer = NULL;
/* sbeck -- handle suffixes */
CI ci;
CE ce = &ct->c_cefile;
- MD5_CTX mdContext;
+ unsigned char *decoded;
+ size_t decoded_len;
+ unsigned char digest[16];
if (ce->ce_fp) {
fseek (ce->ce_fp, 0L, SEEK_SET);
if ((len = ct->c_end - ct->c_begin) < 0)
adios (NULL, "internal error(1)");
+ buffer = mh_xmalloc (len + 1);
+
if (! ct->c_fp) {
if ((ct->c_fp = fopen (ct->c_file, "r")) == NULL) {
content_error (ct->c_file, ct, "unable to open for reading");
}
own_ct_fp = 1;
}
-
- if ((digested = ct->c_digested))
- MD5Init (&mdContext);
-
- bitno = 18;
- bits = 0L;
- skip = 0;
lseek (fd = fileno (ct->c_fp), (off_t) ct->c_begin, SEEK_SET);
+ cp = buffer;
while (len > 0) {
- switch (cc = read (fd, buffer, sizeof(buffer) - 1)) {
+ switch (cc = read (fd, cp, len)) {
case NOTOK:
content_error (ct->c_file, ct, "error reading from");
goto clean_up;
if (cc > len)
cc = len;
len -= cc;
-
- for (ep = (cp = buffer) + cc; cp < ep; cp++) {
- switch (*cp) {
- default:
- if (isspace ((unsigned char) *cp))
- break;
- if (skip || (((unsigned char) *cp) & 0x80)
- || (value = b642nib[((unsigned char) *cp) & 0x7f]) > 0x3f) {
- if (debugsw) {
- fprintf (stderr, "*cp=0x%x pos=%ld skip=%d\n",
- (unsigned char) *cp,
- (long) (lseek (fd, (off_t) 0, SEEK_CUR) - (ep - cp)),
- skip);
- }
- content_error (NULL, ct,
- "invalid BASE64 encoding -- continuing");
- continue;
- }
-
- bits |= value << bitno;
-test_end:
- if ((bitno -= 6) < 0) {
- b = (bits >> 16) & 0xff;
- if (!text || b != '\r')
- putc ((char) b, ce->ce_fp);
- if (digested)
- MD5Update (&mdContext, &b, 1);
- if (skip < 2) {
- b = (bits >> 8) & 0xff;
- if (! text || b != '\r')
- putc ((char) b, ce->ce_fp);
- if (digested)
- MD5Update (&mdContext, &b, 1);
- if (skip < 1) {
- b = bits & 0xff;
- if (! text || b != '\r')
- putc ((char) b, ce->ce_fp);
- if (digested)
- MD5Update (&mdContext, &b, 1);
- }
- }
-
- if (ferror (ce->ce_fp)) {
- content_error (ce->ce_file, ct,
- "error writing to");
- goto clean_up;
- }
- bitno = 18, bits = 0L, skip = 0;
- }
- break;
-
- case '=':
- if (++skip > 3)
- goto self_delimiting;
- goto test_end;
- }
- }
- }
+ cp += cc;
+ }
}
- if (bitno != 18) {
- if (debugsw)
- fprintf (stderr, "premature ending (bitno %d)\n", bitno);
+ /* decodeBase64() requires null-terminated input. */
+ *cp = '\0';
- content_error (NULL, ct, "invalid BASE64 encoding");
- goto clean_up;
+ if (decodeBase64 (buffer, &decoded, &decoded_len, ct->c_type == CT_TEXT,
+ ct->c_digested ? digest : NULL) == OK) {
+ size_t i;
+ unsigned char *decoded_p = decoded;
+ for (i = 0; i < decoded_len; ++i) {
+ putc (*decoded_p++, ce->ce_fp);
+ }
+ free ((char *) decoded);
+ if (ferror (ce->ce_fp)) {
+ content_error (ce->ce_file, ct, "error writing to");
+ goto clean_up;
+ }
+
+ if (ct->c_digested) {
+ if (memcmp(digest, ct->c_digest,
+ sizeof(digest) / sizeof(digest[0]))) {
+ content_error (NULL, ct,
+ "content integrity suspect (digest mismatch) -- continuing");
+ } else {
+ if (debugsw) {
+ fprintf (stderr, "content integrity confirmed\n");
+ }
+ }
+ }
+ } else {
+ goto clean_up;
}
-self_delimiting:
fseek (ct->c_fp, 0L, SEEK_SET);
if (fflush (ce->ce_fp)) {
goto clean_up;
}
- if (digested) {
- unsigned char digest[16];
-
- MD5Final (digest, &mdContext);
- if (memcmp((char *) digest, (char *) ct->c_digest,
- sizeof(digest) / sizeof(digest[0])))
- content_error (NULL, ct,
- "content integrity suspect (digest mismatch) -- continuing");
- else
- if (debugsw)
- fprintf (stderr, "content integrity confirmed\n");
- }
-
fseek (ce->ce_fp, 0L, SEEK_SET);
ready_to_go:
fclose (ct->c_fp);
ct->c_fp = NULL;
}
+ free (buffer);
return fileno (ce->ce_fp);
clean_up:
ct->c_fp = NULL;
}
free_encoding (ct, 0);
+ free (buffer);
return NOTOK;
}
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00,
+ 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00,
+ 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
-static int
+static int
InitQuoted (CT ct)
{
return init_encoding (ct, openQuoted);
/*
* Now, check the answer
*/
- if (!getanswer (buffer))
+ if (!read_yes_or_no_if_tty (buffer))
return NOTOK;
if (e->eb_flags) {
e->eb_subject ? e->eb_subject : e->eb_body);
/* Now, check answer */
- if (!getanswer (buffer))
+ if (!read_yes_or_no_if_tty (buffer))
return NOTOK;
vecp = 0;
return fd;
}
+
+/*
+ * Stores MD5 digest (in cp, from Content-MD5 header) in ct->c_digest. It
+ * has to be base64 decoded.
+ */
static int
readDigest (CT ct, char *cp)
{
- int bitno, skip;
- uint32_t bits;
- char *bp = cp;
- unsigned char *dp, value, *ep;
-
- bitno = 18;
- bits = 0L;
- skip = 0;
-
- for (ep = (dp = ct->c_digest)
- + sizeof(ct->c_digest) / sizeof(ct->c_digest[0]); *cp; cp++)
- switch (*cp) {
- default:
- if (skip
- || (*cp & 0x80)
- || (value = b642nib[*cp & 0x7f]) > 0x3f) {
- if (debugsw)
- fprintf (stderr, "invalid BASE64 encoding\n");
- return NOTOK;
- }
+ unsigned char *digest;
- bits |= value << bitno;
-test_end:
- if ((bitno -= 6) < 0) {
- if (dp + (3 - skip) > ep)
- goto invalid_digest;
- *dp++ = (bits >> 16) & 0xff;
- if (skip < 2) {
- *dp++ = (bits >> 8) & 0xff;
- if (skip < 1)
- *dp++ = bits & 0xff;
- }
- bitno = 18;
- bits = 0L;
- skip = 0;
- }
- break;
+ size_t len;
+ if (decodeBase64 (cp, &digest, &len, 0, NULL) == OK) {
+ const size_t maxlen = sizeof ct->c_digest / sizeof ct->c_digest[0];
- case '=':
- if (++skip > 3)
- goto self_delimiting;
- goto test_end;
- }
- if (bitno != 18) {
- if (debugsw)
- fprintf (stderr, "premature ending (bitno %d)\n", bitno);
+ if (strlen ((char *) digest) <= maxlen) {
+ memcpy (ct->c_digest, digest, maxlen);
- return NOTOK;
- }
-self_delimiting:
- if (dp != ep) {
-invalid_digest:
- if (debugsw) {
- while (*cp)
- cp++;
- fprintf (stderr, "invalid MD5 digest (got %d octets)\n",
- (int)(cp - bp));
- }
+ if (debugsw) {
+ size_t i;
- return NOTOK;
- }
+ fprintf (stderr, "MD5 digest=");
+ for (i = 0; i < maxlen; ++i) {
+ fprintf (stderr, "%02x", ct->c_digest[i] & 0xff);
+ }
+ fprintf (stderr, "\n");
+ }
- if (debugsw) {
- fprintf (stderr, "MD5 digest=");
- for (dp = ct->c_digest; dp < ep; dp++)
- fprintf (stderr, "%02x", *dp & 0xff);
- fprintf (stderr, "\n");
- }
+ return OK;
+ } else {
+ if (debugsw) {
+ fprintf (stderr, "invalid MD5 digest (got %d octets)\n",
+ (int) strlen ((char *) digest));
+ }
- return OK;
+ return NOTOK;
+ }
+ } else {
+ return NOTOK;
+ }
}
}
if (pp == NULL) {
- pp = mh_xmalloc(sizeof(*pp));
- memset(pp, 0, sizeof(*pp));
+ NEW0(pp);
pp->name = nameptr;
pp->next = phead;
phead = pp;
* Insert this into the section linked list
*/
- sp = mh_xmalloc(sizeof(*sp));
- memset(sp, 0, sizeof(*sp));
+ NEW0(sp);
sp->value = valptr;
sp->index = index;
sp->len = len;
ret_charset = get_param(ct->c_ctinfo.ci_first_pm, "charset", '?', 0);
- return ret_charset ? ret_charset : getcpy ("US-ASCII");
+ return ret_charset ? ret_charset : mh_xstrdup("US-ASCII");
}
* Output an encoded parameter string.
*/
-static size_t
+size_t
encode_param(PM pm, char *output, size_t len, size_t valuelen,
size_t valueoff, int index)
{
PM
add_param(PM *first, PM *last, char *name, char *value, int nocopy)
{
- PM pm = mh_xmalloc(sizeof(*pm));
-
- memset(pm, 0, sizeof(*pm));
+ PM pm;
+ NEW0(pm);
pm->pm_name = nocopy ? name : getcpy(name);
pm->pm_value = nocopy ? value : getcpy(value);
}
if (utf8) {
for (++p, --inbytes;
- inbytes > 0 && (((unsigned char) *q) & 0xc0) == 0x80;
+ inbytes > 0 && (((unsigned char) *p) & 0xc0) == 0x80;
++p, --inbytes)
continue;
} else {
projects / nmh / blobdiff