-
-/*
- * 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 */
/*
*/
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
*/
/*
* NOTE WELL: si_key MUST NOT have value of NOTOK
*
- * si_key is 1 if access method is anonymous.
+ * si_val is 1 if access method is anonymous.
*/
struct str2init str2methods[] = {
{ "afs", 1, InitFile },
return NULL;
}
fseek (fp, 0L, SEEK_SET);
- } else if (lstat (file, &statbuf) == NOTOK) {
- advise (file, "unable to lstat");
+ } 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. */
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;
+ m_getfld_state_t gstate;
/* allocate the content structure */
NEW0(ct);
* Parse the header fields for this
* content into a linked list.
*/
- m_getfld_track_filepos (&gstate, in);
+ gstate = m_getfld_state_init(in);
+ m_getfld_track_filepos2(&gstate);
for (compnum = 1;;) {
int bufsz = sizeof buf;
- switch (state = m_getfld (&gstate, name, buf, &bufsz, in)) {
+ switch (state = m_getfld2(&gstate, name, buf, &bufsz)) {
case FLD:
case FLDPLUS:
compnum++;
/* if necessary, get rest of field */
while (state == FLDPLUS) {
bufsz = sizeof buf;
- state = m_getfld (&gstate, name, buf, &bufsz, in);
+ state = m_getfld2(&gstate, name, buf, &bufsz);
vp = add (buf, vp); /* add to previous value */
}
continue;
case BODY:
+ /* 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] == ':') {
- /* Special case: no blank line between header and body. The
- file position indicator is on the newline at the end of the
- line, but it needs to be one prior to the beginning of the
- line. So subtract the length of the line, bufsz, plus 1. */
- ct->c_begin = ftell (in) - (bufsz + 1);
+ ct->c_begin = ftell(in) - bufsz;
} else {
ct->c_begin = ftell (in) - (bufsz - 1);
}
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) {
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
+ c = *dp;
+ *dp = '\0';
ci->ci_type = mh_xstrdup(cp); /* store content type */
- *dp = c, cp = dp;
+ *dp = c;
+ cp = dp;
if (!*ci->ci_type) {
inform("invalid %s: field in message %s (empty type)",
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
+ c = *dp;
+ *dp = '\0';
ci->ci_subtype = mh_xstrdup(cp); /* store the content subtype */
- *dp = c, cp = dp;
+ *dp = c;
+ cp = dp;
if (!*ci->ci_subtype) {
inform("invalid %s: field in message %s (empty subtype for \"%s\")",
}
}
else
- inform("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)", ct->c_file, TYPE_FIELD, cp);
}
return OK;
for (dp = cp; istoken (*dp); dp++)
continue;
- c = *dp, *dp = '\0';
+ c = *dp;
+ *dp = '\0';
ct->c_dispo_type = mh_xstrdup(cp); /* store disposition type */
- *dp = c, cp = dp;
+ *dp = c;
+ cp = dp;
if (*cp == '(' && get_comment (ct->c_file, DISPO_FIELD, &cp, NULL) == NOTOK)
return NOTOK;
return NOTOK;
}
} else if (*cp) {
- inform("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)",
+ ct->c_file, DISPO_FIELD, cp);
}
if (buildflag)
/*
* 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) {
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). "
- "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);
+ 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;
* 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;
}
*cp = '\0';
if (decodeBase64 (buffer, &decoded, &decoded_len, ct->c_type == CT_TEXT,
- ct->c_digested ? digest : NULL) == OK) {
+ ct->c_digested ? digest : NULL) != OK)
+ goto clean_up;
+
+ {
size_t i;
unsigned char *decoded_p = decoded;
for (i = 0; i < decoded_len; ++i) {
if (ct->c_digested) {
if (memcmp(digest, ct->c_digest,
- sizeof(digest) / sizeof(digest[0]))) {
+ sizeof digest)) {
content_error (NULL, ct,
"content integrity suspect (digest mismatch) -- continuing");
} else {
}
}
}
- } else {
- goto clean_up;
}
fseek (ct->c_fp, 0L, SEEK_SET);
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 (debugsw)
- fprintf (stderr, "content integrity confirmed\n");
+ else if (debugsw)
+ fprintf (stderr, "content integrity confirmed\n");
}
fseek (ce->ce_fp, 0L, SEEK_SET);
admonish (cachefile, "unable to fopen for reading");
}
- *fd = fileno (ce->ce_fp);
+ *fd = ce->ce_fp ? fileno (ce->ce_fp) : -1;
return OK;
ready_already:
if (ferror (gp)) {
admonish (ce->ce_file, "error reading");
(void) m_unlink (cachefile);
- }
- else
- if (ferror (fp)) {
- admonish (cachefile, "error writing");
- (void) m_unlink (cachefile);
- }
+ } else if (ferror (fp)) {
+ admonish (cachefile, "error writing");
+ (void) m_unlink (cachefile);
+ }
fclose (fp);
}
umask (mask);
if (ferror (gp)) {
admonish (ce->ce_file, "error reading");
(void) m_unlink (cachefile);
- }
- else
- if (ferror (fp)) {
- admonish (cachefile, "error writing");
- (void) m_unlink (cachefile);
- }
+ } else if (ferror (fp)) {
+ admonish (cachefile, "error writing");
+ (void) m_unlink (cachefile);
+ }
fclose (fp);
}
umask (mask);
fseeko(ce->ce_fp, 0, SEEK_SET);
*file = ce->ce_file;
- return fd;
+ return fileno(ce->ce_fp);
}
size_t len;
if (decodeBase64 (cp, &digest, &len, 0, NULL) == OK) {
- const size_t maxlen = sizeof ct->c_digest / sizeof ct->c_digest[0];
+ const size_t maxlen = sizeof ct->c_digest;
if (strlen ((char *) digest) <= maxlen) {
memcpy (ct->c_digest, digest, maxlen);
for (up = dp; isspace ((unsigned char) *dp);)
dp++;
if (dp == cp || *dp != '=') {
- 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);
+ inform("invalid parameter in message %s's %s: field\n"
+ " parameter %s (error detected at offset %ld)",
+ filename, fieldname, cp, (long)(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 {
- inform("invalid parameter index in message %s's "
- "%s: field\n%*s(parameter %s)", filename,
- fieldname, strlen(invo_name) + 2, "", cp);
+ inform("invalid parameter index in message %s's %s: field"
+ "\n (parameter %s)", filename, fieldname, cp);
return NOTOK;
}
} else {
}
vp++;
} else {
- inform("missing charset in message %s's %s: "
- "field\n%*s(parameter %s)", filename, fieldname,
- strlen(invo_name) + 2, "", nameptr);
+ inform("missing charset in message %s's %s: field\n"
+ " (parameter %s)", filename, fieldname, nameptr);
free(nameptr);
return NOTOK;
}
}
vp++;
} else {
- inform("missing language tag in message %s's %s: "
- "field\n%*s(parameter %s)", filename, fieldname,
- strlen(invo_name) + 2, "", nameptr);
+ inform("missing language tag in message %s's %s: field\n"
+ " (parameter %s)", filename, fieldname, nameptr);
free(nameptr);
mh_xfree(charset);
return NOTOK;
!isxdigit((unsigned char) *(vp + 1)) ||
*(vp + 2) == '\0' ||
!isxdigit((unsigned char) *(vp + 2))) {
- inform("invalid encoded sequence in message "
- "%s's %s: field\n%*s(parameter %s)",
- filename, fieldname, strlen(invo_name) + 2,
- "", nameptr);
+ inform("invalid encoded sequence in message %s's %s: field\n"
+ " (parameter %s)", filename, fieldname, nameptr);
free(nameptr);
mh_xfree(charset);
mh_xfree(lang);
switch (*cp++) {
case '\0':
bad_quote:
- inform("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"
+ " (parameter %s)", filename, fieldname, nameptr);
free(nameptr);
mh_xfree(charset);
mh_xfree(lang);
} else {
for (sp2 = pp->sechead; sp2 != NULL; sp2 = sp2->next) {
if (sp2->index == sp->index) {
- inform("duplicate index (%d) in message "
- "%s's %s: field\n%*s(parameter %s)", sp->index,
- filename, fieldname, strlen(invo_name) + 2, "",
- nameptr);
+ inform("duplicate index (%d) in message %s's %s: field"
+ "\n (parameter %s)", sp->index, filename,
+ fieldname, nameptr);
return NOTOK;
}
if (sp2->index < sp->index &&
}
if (sp2 == NULL) {
- inform("Internal error: cannot insert partial "
- "param in message %s's %s: field\n%*s(parameter %s)",
- filename, fieldname, strlen(invo_name) + 2, "",
- nameptr);
+ inform("Internal error: cannot insert partial param "
+ "in message %s's %s: field\n (parameter %s)",
+ filename, fieldname, nameptr);
return NOTOK;
}
}
int pindex = 0;
for (sp = pp->sechead; sp != NULL; sp = sp->next) {
if (sp->index != pindex++) {
- 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);
+ inform("missing section %d for parameter in message "
+ "%s's %s: field\n (parameter %s)", pindex - 1,
+ filename, fieldname, pp->name);
return NOTOK;
}
tlen += sp->len;
}
/*
- * 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.
*/
projects / nmh / blobdiff