-
-/*
- * mhparse.c -- routines to parse the contents of MIME messages
+/* mhparse.c -- routines to parse the contents of MIME messages
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
#include <h/mime.h>
#include <h/mhparse.h>
#include <h/utils.h>
+#include <h/mhcachesbr.h>
+#include "../sbr/m_mktemp.h"
+#include "mhfree.h"
#ifdef HAVE_ICONV
# include <iconv.h>
#endif /* HAVE_ICONV */
extern int debugsw;
-/* cache policies */
-extern int rcachesw; /* mhcachesbr.c */
-extern int wcachesw; /* mhcachesbr.c */
-
int checksw = 0; /* check Content-MD5 field */
/*
* in a multipart.
* 2) Suppress the warning about bogus multipart content, and report it.
* 3) Suppress the warning about extraneous trailing ';' in header parameter
- * lists, and report it.
+ * lists.
*/
int skip_mp_cte_check;
int suppress_bogus_mp_content_warning;
int bogus_mp_content;
int suppress_extraneous_trailing_semicolon_warning;
-int extraneous_trailing_semicolon;
+
+/*
+ * By default, suppress warning about multiple MIME-Version header fields.
+ */
+int suppress_multiple_mime_version_warning = 1;
/* list of preferred type/subtype pairs, for -prefer */
char *preferred_types[NPREFS],
*/
struct k2v SubText[] = {
{ "plain", TEXT_PLAIN },
- { "richtext", TEXT_RICHTEXT }, /* defined in RFC-1341 */
- { "enriched", TEXT_ENRICHED }, /* defined in RFC-1896 */
+ { "richtext", TEXT_RICHTEXT }, /* defined in RFC 1341 */
+ { "enriched", TEXT_ENRICHED }, /* defined in RFC 1896 */
{ NULL, TEXT_UNKNOWN } /* this one must be last! */
};
};
-/* mhcachesbr.c */
-int find_cache (CT, int, int *, char *, char *, int);
-
/* mhmisc.c */
int part_ok (CT);
int type_ok (CT, int);
void content_error (char *, CT, char *, ...);
-/* mhfree.c */
-void free_encoding (CT, int);
-
/*
* static prototypes
*/
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);
FILE *fp;
CT ct;
size_t n;
+ struct stat statbuf;
+
+ bogus_mp_content = 0;
/*
* Check if file is actually standard input
get_temp_dir());
return NULL;
}
- file = add (tfile, NULL);
+ file = mh_xstrdup(tfile);
while ((n = fread(buffer, 1, sizeof(buffer), stdin)) > 0) {
if (fwrite(buffer, 1, n, fp) != n) {
return NULL;
}
fseek (fp, 0L, SEEK_SET);
+ } else if (stat (file, &statbuf) == NOTOK) {
+ advise (file, "unable to stat");
+ return NULL;
+ } else if (S_ISDIR(statbuf.st_mode)) {
+ /* Don't try to parse a directory. */
+ inform("%s is a directory", file);
+ return NULL;
} else if ((fp = fopen (file, "r")) == NULL) {
advise (file, "unable to read");
return NULL;
if (!(ct = get_content (fp, file, 1))) {
if (is_stdin)
(void) m_unlink (file);
- advise (NULL, "unable to decode %s", file);
+ inform("unable to decode %s", file);
return NULL;
}
get_content (FILE *in, char *file, int toplevel)
{
int compnum, state;
- char buf[BUFSIZ], name[NAMESZ];
+ char buf[NMH_BUFSIZ], name[NAMESZ];
char *np, *vp;
CT ct;
HF hp;
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;
compnum++;
/* get copies of the buffers */
- np = add (name, NULL);
- vp = add (buf, NULL);
+ np = mh_xstrdup(name);
+ vp = mh_xstrdup(buf);
/* if necessary, get rest of field */
while (state == FLDPLUS) {
continue;
case BODY:
- ct->c_begin = ftell (in) - strlen (buf);
+ /* There are two cases. The unusual one is when there is no
+ * blank line between the headers and the body. This is
+ * indicated by the name of the header starting with `:'.
+ *
+ * For both cases, normal first, `1' is the desired c_begin
+ * file position for the start of the body, and `2' is the
+ * file position when buf is returned.
+ *
+ * f o o : b a r \n \n b o d y \n bufsz = 6
+ * 1 2 move -5
+ * f o o : b a r \n b o d y \n bufsz = 4
+ * 1 2 move -4
+ *
+ * For the normal case, bufsz includes the
+ * header-terminating `\n', even though it is not in buf,
+ * but bufsz isn't affected when it's missing in the unusual
+ * case. */
+ if (name[0] == ':') {
+ ct->c_begin = ftell(in) - bufsz;
+ } else {
+ ct->c_begin = ftell (in) - (bufsz - 1);
+ }
break;
case FILEEOF:
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++;
ucmp = !strcasecmp (cp, VRSN_VALUE);
*dp = c;
if (!ucmp) {
- admonish (NULL, "message %s has unknown value for %s: field (%s)",
+ inform("message %s has unknown value for %s: field (%s), continuing...",
ct->c_file, VRSN_FIELD, cp);
}
+ if (!ct->c_vrsn) {
+ ct->c_vrsn = vrsn;
+ } else {
+ if (! suppress_multiple_mime_version_warning)
+ inform("message %s has multiple %s: fields",
+ ct->c_file, VRSN_FIELD);
+ free(vrsn);
+ }
}
else if (!strcasecmp (hp->name, TYPE_FIELD)) {
/* Get Content-Type field */
/* Check if we've already seen a Content-Type header */
if (ct->c_ctline) {
- advise (NULL, "message %s has multiple %s: fields",
+ inform("message %s has multiple %s: fields",
ct->c_file, TYPE_FIELD);
goto next_header;
}
* Content-Transfer-Encoding field
*/
if (ct->c_celine) {
- advise (NULL, "message %s has multiple %s: fields",
+ inform("message %s has multiple %s: fields",
ct->c_file, ENCODING_FIELD);
goto next_header;
}
goto next_header;
if (ct->c_digested) {
- advise (NULL, "message %s has multiple %s: fields",
+ inform("message %s has multiple %s: fields",
ct->c_file, MD5_FIELD);
goto next_header;
}
HF hp;
/* allocate header field structure */
- hp = mh_xmalloc (sizeof(*hp));
+ NEW(hp);
/* link data into header structure */
hp->name = name;
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
- ci->ci_type = add (cp, NULL); /* store content type */
- *dp = c, cp = dp;
+ c = *dp;
+ *dp = '\0';
+ ci->ci_type = mh_xstrdup(cp); /* store content type */
+ *dp = c;
+ cp = dp;
if (!*ci->ci_type) {
- advise (NULL, "invalid %s: field in message %s (empty type)",
+ inform("invalid %s: field in message %s (empty type)",
TYPE_FIELD, ct->c_file);
return NOTOK;
}
-
- /* down case the content type string */
- for (dp = ci->ci_type; *dp; dp++)
- if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
- *dp = tolower ((unsigned char) *dp);
+ to_lower(ci->ci_type);
while (isspace ((unsigned char) *cp))
cp++;
if (*cp != '/') {
if (!magic)
- ci->ci_subtype = add ("", NULL);
+ ci->ci_subtype = mh_xstrdup("");
goto magic_skip;
}
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
- ci->ci_subtype = add (cp, NULL); /* store the content subtype */
- *dp = c, cp = dp;
+ c = *dp;
+ *dp = '\0';
+ ci->ci_subtype = mh_xstrdup(cp); /* store the content subtype */
+ *dp = c;
+ cp = dp;
if (!*ci->ci_subtype) {
- advise (NULL,
- "invalid %s: field in message %s (empty subtype for \"%s\")",
- TYPE_FIELD, ct->c_file, ci->ci_type);
+ inform("invalid %s: field in message %s (empty subtype for \"%s\")",
+ TYPE_FIELD, ct->c_file, ci->ci_type);
return NOTOK;
}
-
- /* down case the content subtype string */
- for (dp = ci->ci_subtype; *dp; dp++)
- if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
- *dp = tolower ((unsigned char) *dp);
+ to_lower(ci->ci_subtype);
magic_skip:
while (isspace ((unsigned char) *cp))
* Get any <Content-Id> given in buffer
*/
if (magic && *cp == '<') {
- if (ct->c_id) {
- free (ct->c_id);
- ct->c_id = NULL;
- }
+ mh_xfree(ct->c_id);
+ ct->c_id = NULL;
if (!(dp = strchr(ct->c_id = ++cp, '>'))) {
- advise (NULL, "invalid ID in message %s", ct->c_file);
+ inform("invalid ID in message %s", ct->c_file);
return NOTOK;
}
c = *dp;
if (*dp == ']')
break;
if (dp < cp) {
- advise (NULL, "invalid description in message %s", ct->c_file);
+ inform("invalid description in message %s", ct->c_file);
ct->c_descr = NULL;
return NOTOK;
}
if (*dp == '}')
break;
if (dp < cp) {
- advise (NULL, "invalid disposition in message %s", ct->c_file);
+ inform("invalid disposition in message %s", ct->c_file);
ct->c_dispo = NULL;
return NOTOK;
}
cp++;
if (dp == cp) {
- advise (NULL, "invalid null transfer encoding specification");
+ inform("invalid null transfer encoding specification");
return NOTOK;
}
}
if (ct->c_reqencoding == CE_UNKNOWN) {
- advise (NULL, "invalid CTE specification: \"%s\"", dp);
+ inform("invalid CTE specification: \"%s\"", dp);
return NOTOK;
}
*/
if (*cp) {
if (magic) {
- ci->ci_magic = add (cp, NULL);
+ ci->ci_magic = mh_xstrdup(cp);
/* If there is a Content-Disposition header and it doesn't
have a *filename=, extract it from the magic contents.
}
}
else
- advise (NULL,
- "extraneous information in message %s's %s: field\n%*s(%s)",
- ct->c_file, TYPE_FIELD, strlen(invo_name) + 2, "", cp);
+ inform("extraneous information in message %s's %s: field\n%*s(%s)",
+ ct->c_file, TYPE_FIELD, strlen(invo_name) + 2, "", cp);
}
return OK;
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
- ct->c_dispo_type = add (cp, NULL); /* store disposition type */
- *dp = c, cp = dp;
+ c = *dp;
+ *dp = '\0';
+ ct->c_dispo_type = mh_xstrdup(cp); /* store disposition type */
+ *dp = c;
+ cp = dp;
if (*cp == '(' && get_comment (ct->c_file, DISPO_FIELD, &cp, NULL) == NOTOK)
return NOTOK;
return NOTOK;
}
} else if (*cp) {
- advise (NULL,
- "extraneous information in message %s's %s: field\n%*s(%s)",
- ct->c_file, DISPO_FIELD, strlen(invo_name) + 2, "", cp);
+ inform("extraneous information in message %s's %s: field\n%*s(%s)",
+ ct->c_file, DISPO_FIELD, strlen(invo_name) + 2, "", cp);
}
if (buildflag)
switch (c = *cp++) {
case '\0':
invalid:
- advise (NULL, "invalid comment in message %s's %s: field",
+ inform("invalid comment in message %s's %s: field",
filename, fieldname);
return NOTOK;
case '(':
i++;
- /* and fall... */
+ /* FALLTHRU */
default:
*bp++ = c;
continue;
*commentp = concat (dp, " ", buffer, NULL);
free (dp);
} else {
- *commentp = add (buffer, NULL);
+ *commentp = mh_xstrdup(buffer);
}
}
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 */
if (chset != NULL && !check_charset (chset, strlen (chset))) {
snprintf (buffer, sizeof(buffer), "%s-charset-%s", invo_name, chset);
if ((cp = context_find (buffer)))
- ct->c_termproc = getcpy (cp);
+ ct->c_termproc = mh_xstrdup(cp);
}
return OK;
/*
* The encoding for multipart messages must be either
- * 7bit, 8bit, or binary (per RFC2045).
+ * 7bit, 8bit, or binary (per RFC 2045).
*/
if (! skip_mp_cte_check && ct->c_encoding != CE_7BIT &&
ct->c_encoding != CE_8BIT && ct->c_encoding != CE_BINARY) {
/* Copy the Content-Transfer-Encoding header field body so we can
remove any trailing whitespace and leading blanks from it. */
- char *cte = add (ct->c_celine ? ct->c_celine : "(null)", NULL);
+ char *cte = mh_xstrdup(ct->c_celine ? ct->c_celine : "(null)");
bp = cte + strlen (cte) - 1;
while (bp >= cte && isspace ((unsigned char) *bp)) *bp-- = '\0';
for (bp = cte; *bp && isblank ((unsigned char) *bp); ++bp) continue;
- 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"
- "Content-Transfer-Encoding to one of those. For now",
- ci->ci_type, ci->ci_subtype, ct->c_file, bp);
+ inform("\"%s/%s\" type in message %s must be encoded in\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, continuing...",
+ ci->ci_type, ci->ci_subtype, ct->c_file, bp);
free (cte);
return NOTOK;
/* complain if boundary parameter is missing */
if (!pm) {
- advise (NULL,
- "a \"boundary\" parameter is mandatory for \"%s/%s\" type in message %s's %s: field",
- ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
+ inform("a \"boundary\" parameter is mandatory for \"%s/%s\" type in message %s's %s: field",
+ ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
return NOTOK;
}
/* 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 */
for (cp = bp; isspace ((unsigned char) *cp); cp++)
continue;
if (!*cp) {
- advise (NULL, "invalid \"boundary\" parameter for \"%s/%s\" type in message %s's %s: field",
+ inform("invalid \"boundary\" parameter for \"%s/%s\" type in message %s's %s: field",
ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
return NOTOK;
}
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;
if (inout)
goto next_part;
goto last_part;
- } else {
- if (strcmp (bufp + 2, m->mp_stop) == 0)
- goto end_part;
}
+ if (strcmp (bufp + 2, m->mp_stop) == 0)
+ goto end_part;
}
}
if (! suppress_bogus_mp_content_warning) {
- advise (NULL, "bogus multipart content in message %s", ct->c_file);
+ inform("bogus multipart content in message %s", ct->c_file);
}
bogus_mp_content = 1;
continue;
*next = NULL;
free_content (p);
- free ((char *) part);
+ free(part);
}
}
p = part->mp_part;
sprintf (pp, "%d", partnum);
- p->c_partno = add (partnam, NULL);
+ p->c_partno = mh_xstrdup(partnam);
/* initialize the content of the subparts */
if (p->c_ctinitfnx && (*p->c_ctinitfnx) (p) == NOTOK) {
* ease of choosing/displaying it later on. from a mail message on
* nmh-workers, from kenh:
* "Stock" MH 6.8.5 did not have a reverse_parts() function, but I
- * see code in mhn that did the same thing... Acccording to the RCS
+ * see code in mhn that did the same thing... According to the RCS
* logs, that code was around from the initial checkin of mhn.c by
* John Romine in 1992, which is as far back as we have."
*/
CI ci = &ct->c_ctinfo;
if ((ct->c_encoding != CE_7BIT) && (ct->c_encoding != CE_8BIT)) {
- admonish (NULL,
- "\"%s/%s\" type in message %s should be encoded in 7bit or 8bit",
- ci->ci_type, ci->ci_subtype, ct->c_file);
+ inform("\"%s/%s\" type in message %s should be encoded in "
+ "7bit or 8bit, continuing...", ci->ci_type, ci->ci_subtype,
+ ct->c_file);
return NOTOK;
}
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" */
if (sscanf (pm->pm_value, "%d", &p->pm_partno) != 1
|| p->pm_partno < 1) {
invalid_param:
- advise (NULL,
- "invalid %s parameter for \"%s/%s\" type in message %s's %s field",
- pm->pm_name, ci->ci_type, ci->ci_subtype,
- ct->c_file, TYPE_FIELD);
+ inform("invalid %s parameter for \"%s/%s\" type in message %s's %s field",
+ pm->pm_name, ci->ci_type, ci->ci_subtype,
+ ct->c_file, TYPE_FIELD);
return NOTOK;
}
continue;
if (!p->pm_partid
|| !p->pm_partno
|| (p->pm_maxno && p->pm_partno > p->pm_maxno)) {
- advise (NULL,
- "invalid parameters for \"%s/%s\" type in message %s's %s field",
- ci->ci_type, ci->ci_subtype,
- ct->c_file, TYPE_FIELD);
+ inform("invalid parameters for \"%s/%s\" type in message %s's %s field",
+ ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
return NOTOK;
}
}
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)
case CT_MESSAGE:
if (p->c_subtype != MESSAGE_RFC822)
break;
- /* else fall... */
+ /* FALLTHRU */
default:
e->eb_partno = ct->c_partno;
if (p->c_ctinitfnx)
}
if (!e->eb_access) {
- advise (NULL,
- "invalid parameters for \"%s/%s\" type in message %s's %s field",
- ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
+ inform("invalid parameters for \"%s/%s\" type in message %s's %s field",
+ ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
return NOTOK;
}
if (ce->ce_file) {
if (stat (ce->ce_file, &st) != NOTOK)
return (long) st.st_size;
- else
- return 0L;
+ return 0L;
}
if (ct->c_encoding == CE_EXTERNAL)
* 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 (*file == NULL) {
ce->ce_unlink = 1;
} else {
- ce->ce_file = add (*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
ce->ce_unlink = 0;
}
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
}
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
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(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)) {
+ 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);
if (*file == NULL) {
ce->ce_unlink = 1;
} else {
- ce->ce_file = add (*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
ce->ce_unlink = 0;
}
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
}
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
for (ep = (cp = bufp) + cc - 1; cp <= ep; ep--)
if (!isspace ((unsigned char) *ep))
break;
- *++ep = '\n', ep++;
+ *++ep = '\n';
+ ep++;
for (; cp < ep; cp++) {
if (quoted > 0) {
* sequence; let's decode it (above). */
quoted = 1;
continue;
- } else {
- /* One or both of the next 2 is out of range, making this
- * an invalid escape sequence; just show the raw bytes
- * (below). */
}
+ /* One or both of the next 2 is out of range, making this
+ * an invalid escape sequence; just show the raw bytes
+ * (below). */
}
/* Just show the raw byte. */
MD5Final (digest, &mdContext);
if (memcmp((char *) digest, (char *) ct->c_digest,
- sizeof(digest) / sizeof(digest[0])))
+ sizeof digest))
content_error (NULL, ct,
"content integrity suspect (digest mismatch) -- continuing");
else
if (*file == NULL) {
ce->ce_unlink = 1;
} else {
- ce->ce_file = add (*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
ce->ce_unlink = 0;
}
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
}
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
if (find_cache (ct, rcachesw, (int *) 0, cb->c_id,
cachefile, sizeof(cachefile)) != NOTOK) {
if ((ce->ce_fp = fopen (cachefile, "r"))) {
- ce->ce_file = getcpy (cachefile);
+ ce->ce_file = mh_xstrdup(cachefile);
ce->ce_unlink = 0;
goto ready_already;
- } else {
- admonish (cachefile, "unable to fopen for reading");
}
+ admonish (cachefile, "unable to fopen for reading");
}
*fd = fileno (ce->ce_fp);
return NOTOK;
}
- ce->ce_file = getcpy (e->eb_name);
+ ce->ce_file = mh_xstrdup(e->eb_name);
ce->ce_unlink = 0;
if ((ce->ce_fp = fopen (ce->ce_file, "r")) == NULL) {
/*
* Now, check the answer
*/
- if (!getanswer (buffer))
+ if (!read_yes_or_no_if_tty (buffer))
return NOTOK;
if (e->eb_flags) {
LocalName (1));
pass = buffer;
} else {
- ruserpass (e->eb_site, &username, &password);
+ ruserpass (e->eb_site, &username, &password, 0);
user = username;
pass = password;
}
}
if (*file)
- ce->ce_file = add (*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
else if (caching)
- ce->ce_file = add (cachefile, NULL);
+ ce->ce_file = mh_xstrdup(cachefile);
else {
char *tempfile;
if ((tempfile = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
}
if ((ce->ce_fp = fopen (ce->ce_file, "w+")) == NULL) {
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;
default:
if (pidXwait (child_id, NULL) == OK)
- advise (NULL, "request sent");
+ inform("request sent");
break;
}
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
ce->ce_unlink = 1;
} else {
- ce->ce_file = add (*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
ce->ce_unlink = 0;
}
/* showproc is for mhshow and mhstore, though mhlist -debug
* prints it, too. */
- if (ct->c_showproc)
- free (ct->c_showproc);
- ct->c_showproc = add ("true", NULL);
+ mh_xfree(ct->c_showproc);
+ ct->c_showproc = mh_xstrdup("true");
fseek (ce->ce_fp, 0L, SEEK_SET);
*file = ce->ce_file;
}
if (*file)
- ce->ce_file = add(*file, NULL);
+ ce->ce_file = mh_xstrdup(*file);
else if (caching)
- ce->ce_file = add(cachefile, NULL);
+ ce->ce_file = mh_xstrdup(cachefile);
else {
char *tempfile;
if ((tempfile = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
adios(NULL, "unable to create temporary file in %s",
get_temp_dir());
}
- ce->ce_file = add (tempfile, NULL);
+ ce->ce_file = mh_xstrdup(tempfile);
}
if ((ce->ce_fp = fopen(ce->ce_file, "w+")) == NULL) {
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;
- 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");
+ }
+
+ return OK;
+ }
+ if (debugsw) {
+ fprintf (stderr, "invalid MD5 digest (got %d octets)\n",
+ (int) strlen ((char *) digest));
+ }
- if (debugsw) {
- fprintf (stderr, "MD5 digest=");
- for (dp = ct->c_digest; dp < ep; dp++)
- fprintf (stderr, "%02x", *dp & 0xff);
- fprintf (stderr, "\n");
+ return NOTOK;
}
- return OK;
+ return NOTOK;
}
if (*cp == 0) {
if (! suppress_extraneous_trailing_semicolon_warning) {
- advise (NULL,
- "extraneous trailing ';' in message %s's %s: "
- "parameter list",
- filename, fieldname);
+ inform("extraneous trailing ';' in message %s's %s: "
+ "parameter list", filename, fieldname);
}
- extraneous_trailing_semicolon = 1;
return DONE;
}
/* down case the attribute name */
for (dp = cp; istoken ((unsigned char) *dp); dp++)
- if (isalpha((unsigned char) *dp) && isupper ((unsigned char) *dp))
- *dp = tolower ((unsigned char) *dp);
+ *dp = tolower ((unsigned char) *dp);
for (up = dp; isspace ((unsigned char) *dp);)
dp++;
if (dp == cp || *dp != '=') {
- advise (NULL,
- "invalid parameter in message %s's %s: "
- "field\n%*sparameter %s (error detected at offset %d)",
- filename, fieldname, strlen(invo_name) + 2, "",cp, dp - cp);
+ inform("invalid parameter in message %s's %s: "
+ "field\n%*sparameter %s (error detected at offset %d)",
+ filename, fieldname, strlen(invo_name) + 2, "",cp, dp - cp);
return NOTOK;
}
if (*vp == '*' && vp < up - 1) {
partial = 1;
continue;
- } else if (*vp == '*' && vp == up - 1) {
+ }
+ if (*vp == '*' && vp == up - 1) {
encoded = 1;
} else if (partial) {
if (isdigit((unsigned char) *vp))
index = *vp - '0' + index * 10;
else {
- advise (NULL, "invalid parameter index in message %s's "
+ inform("invalid parameter index in message %s's "
"%s: field\n%*s(parameter %s)", filename,
fieldname, strlen(invo_name) + 2, "", cp);
return NOTOK;
}
vp++;
} else {
- advise(NULL, "missing charset in message %s's %s: "
+ inform("missing charset in message %s's %s: "
"field\n%*s(parameter %s)", filename, fieldname,
strlen(invo_name) + 2, "", nameptr);
free(nameptr);
}
vp++;
} else {
- advise(NULL, "missing language tag in message %s's %s: "
+ inform("missing language tag in message %s's %s: "
"field\n%*s(parameter %s)", filename, fieldname,
strlen(invo_name) + 2, "", nameptr);
free(nameptr);
- if (charset)
- free(charset);
+ mh_xfree(charset);
return NOTOK;
}
!isxdigit((unsigned char) *(vp + 1)) ||
*(vp + 2) == '\0' ||
!isxdigit((unsigned char) *(vp + 2))) {
- advise(NULL, "invalid encoded sequence in message "
+ inform("invalid encoded sequence in message "
"%s's %s: field\n%*s(parameter %s)",
filename, fieldname, strlen(invo_name) + 2,
"", nameptr);
free(nameptr);
- if (charset)
- free(charset);
- if (lang)
- free(lang);
+ mh_xfree(charset);
+ mh_xfree(lang);
return NOTOK;
}
vp += 2;
switch (*cp++) {
case '\0':
bad_quote:
- advise (NULL,
- "invalid quoted-string in message %s's %s: "
- "field\n%*s(parameter %s)",
- filename, fieldname, strlen(invo_name) + 2, "",
- nameptr);
+ inform("invalid quoted-string in message %s's %s: "
+ "field\n%*s(parameter %s)", filename,
+ fieldname, strlen(invo_name) + 2, "", nameptr);
free(nameptr);
- if (charset)
- free(charset);
- if (lang)
- free(lang);
+ mh_xfree(charset);
+ mh_xfree(lang);
return NOTOK;
case '"':
break;
case '\\':
if (*++cp == '\0')
goto bad_quote;
- /* FALL THROUGH */
+ /* FALLTHRU */
default:
len++;
continue;
if (partial) {
for (pp = phead; pp != NULL; pp = pp->next) {
- if (strcasecmp(nameptr, pp->name) == 0)
+ if (strcasecmp(nameptr, pp->name) == 0) {
+ free (nameptr);
+ nameptr = pp->name;
break;
+ }
}
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;
} else {
for (sp2 = pp->sechead; sp2 != NULL; sp2 = sp2->next) {
if (sp2->index == sp->index) {
- advise (NULL, "duplicate index (%d) in message "
+ inform("duplicate index (%d) in message "
"%s's %s: field\n%*s(parameter %s)", sp->index,
filename, fieldname, strlen(invo_name) + 2, "",
nameptr);
- free (nameptr);
return NOTOK;
}
if (sp2->index < sp->index &&
}
if (sp2 == NULL) {
- advise(NULL, "Internal error: cannot insert partial "
+ inform("Internal error: cannot insert partial "
"param in message %s's %s: field\n%*s(parameter %s)",
filename, fieldname, strlen(invo_name) + 2, "",
nameptr);
- free (nameptr);
return NOTOK;
}
}
*/
if (index == 0 && encoded) {
- if (pp->charset)
- free(pp->charset);
+ mh_xfree(pp->charset);
pp->charset = charset;
- if (pp->lang)
- free(pp->lang);
+ mh_xfree(pp->lang);
pp->lang = lang;
}
} else {
int pindex = 0;
for (sp = pp->sechead; sp != NULL; sp = sp->next) {
if (sp->index != pindex++) {
- advise(NULL, "missing section %d for parameter in "
+ inform("missing section %d for parameter in "
"message %s's %s: field\n%*s(parameter %s)", pindex - 1,
filename, fieldname, strlen(invo_name) + 2, "",
pp->name);
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");
}
continue;
if (strlen(params->pm_name) > CPERLIN) {
- advise(NULL, "Parameter name \"%s\" is too long", params->pm_name);
- if (paramout)
- free(paramout);
+ inform("Parameter name \"%s\" is too long", params->pm_name);
+ mh_xfree(paramout);
return NULL;
}
numchars, valoff);
if (i == 0) {
- if (paramout)
- free(paramout);
+ mh_xfree(paramout);
return NULL;
}
}
/*
- * At this point, we're either finishing a contined parameter, or
+ * At this point, we're either finishing a continued parameter, or
* we're working on a new one.
*/
strlen(params->pm_value + valoff), valoff);
if (i == 0) {
- if (paramout)
- free(paramout);
+ mh_xfree(paramout);
return NULL;
}
*/
if (! pm->pm_charset) {
- pm->pm_charset = getcpy(write_charset_8bit());
+ pm->pm_charset = mh_xstrdup(write_charset_8bit());
if (strcasecmp(pm->pm_charset, "US-ASCII") == 0)
adios(NULL, "8-bit characters in parameter \"%s\", but "
"local character set is US-ASCII", pm->pm_name);
}
if (! pm->pm_lang)
- pm->pm_lang = getcpy(NULL); /* Default to a blank lang tag */
+ pm->pm_lang = mh_xstrdup(""); /* Default to a blank lang tag */
len++; /* For the encoding marker */
maxfit--;
case '\\':
len++;
maxfit--;
- /* FALL THROUGH */
+ /* FALLTHRU */
default:
len++;
maxfit--;
* 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)
{
output += n;
outlen += n;
if (output > endptr) {
- advise(NULL, "Internal error: parameter buffer overflow");
+ inform("Internal error: parameter buffer overflow");
return 0;
}
}
outlen++;
}
if (output > endptr) {
- advise(NULL, "Internal error: parameter buffer overflow");
+ inform("Internal error: parameter buffer overflow");
return 0;
}
}
case '"':
*output++ = '\\';
outlen++;
+ /* FALLTHRU */
default:
*output++ = *p++;
outlen++;
}
if (output > endptr) {
- advise(NULL, "Internal error: parameter buffer overflow");
+ inform("Internal error: parameter buffer overflow");
return 0;
}
}
if (output - 2 > endptr) {
- advise(NULL, "Internal error: parameter buffer overflow");
+ inform("Internal error: parameter buffer overflow");
return 0;
}
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 (strcasecmp(name, first->pm_name) == 0) {
if (fetchonly)
return first->pm_value;
- else
- return getcpy(get_param_value(first, replace));
+ return getcpy(get_param_value(first, replace));
}
first = first->pm_next;
}
}
if (utf8) {
for (++p, --inbytes;
- inbytes > 0 && (((unsigned char) *q) & 0xc0) == 0x80;
+ inbytes > 0 && (((unsigned char) *p) & 0xc0) == 0x80;
++p, --inbytes)
continue;
} else {
#endif /* HAVE_ICONV */
/*
- * Take everything non-ASCII and substituite the replacement character
+ * Take everything non-ASCII and substitute the replacement character
*/
q = buffer;
bufsize = sizeof(buffer);
for (p = pm->pm_value; *p != '\0' && bufsize > 1; p++, q++, bufsize--) {
- if (isascii((unsigned char) *p) && !iscntrl((unsigned char) *p))
+ if (isascii((unsigned char) *p) && isprint((unsigned char) *p))
*q = *p;
else
*q = replace;
projects / nmh / blobdiff