#include <fcntl.h>
#include <h/signals.h>
#include <h/md5.h>
-#include <errno.h>
-#include <signal.h>
#include <h/mts.h>
#include <h/tws.h>
#include <h/mime.h>
static char prefix[] = "----- =_aaaaaaaaaa";
+/*
+ * Maximum size of URL token in message/external-body
+ */
+
+#define MAXURLTOKEN 40
+
/* mhmisc.c */
void content_error (char *, CT, char *, ...);
int find_cache (CT, int, int *, char *, char *, int);
/* mhfree.c */
-void free_content (CT);
void free_ctinfo (CT);
void free_encoding (CT, int);
-/*
- * prototypes
- */
-CT build_mime (char *, int);
-
/*
* static prototypes
*/
*/
CT
-build_mime (char *infile, int directives)
+build_mime (char *infile, int directives, int header_encoding)
{
int compnum, state;
char buf[BUFSIZ], name[NAMESZ];
struct part **pp;
CT ct;
FILE *in;
+ HF hp;
+ m_getfld_state_t gstate = 0;
directive_init(directives);
* draft into the linked list of header fields for
* the new MIME message.
*/
- for (compnum = 1, state = FLD;;) {
- switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
+ m_getfld_track_filepos (&gstate, in);
+ for (compnum = 1;;) {
+ int bufsz = sizeof buf;
+ switch (state = m_getfld (&gstate, name, buf, &bufsz, in)) {
case FLD:
case FLDPLUS:
- case FLDEOF:
compnum++;
/* abort if draft has Mime-Version header field */
- if (!mh_strcasecmp (name, VRSN_FIELD))
+ if (!strcasecmp (name, VRSN_FIELD))
adios (NULL, "draft shouldn't contain %s: field", VRSN_FIELD);
/* abort if draft has Content-Transfer-Encoding header field */
- if (!mh_strcasecmp (name, ENCODING_FIELD))
+ if (!strcasecmp (name, ENCODING_FIELD))
adios (NULL, "draft shouldn't contain %s: field", ENCODING_FIELD);
/* ignore any Content-Type fields in the header */
- if (!mh_strcasecmp (name, TYPE_FIELD)) {
- while (state == FLDPLUS)
- state = m_getfld (state, name, buf, sizeof(buf), in);
+ if (!strcasecmp (name, TYPE_FIELD)) {
+ while (state == FLDPLUS) {
+ bufsz = sizeof buf;
+ state = m_getfld (&gstate, name, buf, &bufsz, in);
+ }
goto finish_field;
}
/* if necessary, get rest of field */
while (state == FLDPLUS) {
- state = m_getfld (state, name, buf, sizeof(buf), in);
+ bufsz = sizeof buf;
+ state = m_getfld (&gstate, name, buf, &bufsz, in);
vp = add (buf, vp); /* add to previous value */
}
finish_field:
/* if this wasn't the last header field, then continue */
- if (state != FLDEOF)
- continue;
- /* else fall... */
+ continue;
case FILEEOF:
adios (NULL, "draft has empty body -- no directives!");
/* NOTREACHED */
case BODY:
- case BODYEOF:
fseek (in, (long) (-strlen (buf)), SEEK_CUR);
break;
}
break;
}
+ m_getfld_state_destroy (&gstate);
+
+ /*
+ * Iterate through the list of headers and call the function to MIME-ify
+ * them if required.
+ */
+
+ for (hp = ct->c_first_hf; hp != NULL; hp = hp->next) {
+ if (encode_rfc2047(hp->name, &hp->value, header_encoding, NULL)) {
+ adios(NULL, "Unable to encode header \"%s\"", hp->name);
+ }
+ }
/*
* Now add the MIME-Version header field
static int
init_decoded_content (CT ct)
{
- CE ce;
-
- if ((ce = (CE) calloc (1, sizeof(*ce))) == NULL)
- adios (NULL, "out of memory");
-
- ct->c_cefile = ce;
ct->c_ceopenfnx = open7Bit; /* since unencoded */
ct->c_ceclosefnx = close_encoding;
ct->c_cesizefnx = NULL; /* since unencoded */
user_content (FILE *in, char *file, char *buf, CT *ctp)
{
int extrnal, vrsn;
- unsigned char *cp;
- char **ap;
+ char *cp, **ap;
char buffer[BUFSIZ];
struct multipart *m;
struct part **pp;
/* allocate basic structure for handling decoded content */
init_decoded_content (ct);
- ce = ct->c_cefile;
+ ce = &ct->c_cefile;
ci = &ct->c_ctinfo;
set_id (ct, 0);
done (1);
for (s2i = str2cts; s2i->si_key; s2i++)
- if (!mh_strcasecmp (ci->ci_type, s2i->si_key))
+ if (!strcasecmp (ci->ci_type, s2i->si_key))
break;
if (!s2i->si_key && !uprf (ci->ci_type, "X-"))
s2i++;
*/
switch (ct->c_type = s2i->si_val) {
case CT_MESSAGE:
- if (!mh_strcasecmp (ci->ci_subtype, "rfc822")) {
+ if (!strcasecmp (ci->ci_subtype, "rfc822")) {
ct->c_encoding = CE_7BIT;
goto call_init;
}
/* check directive against the list of MIME types */
for (s2i = str2cts; s2i->si_key; s2i++)
- if (!mh_strcasecmp (ci->ci_type, s2i->si_key))
+ if (!strcasecmp (ci->ci_type, s2i->si_key))
break;
/*
/* NOTREACHED */
case CT_MESSAGE:
- if (!mh_strcasecmp (ci->ci_subtype, "partial"))
+ if (!strcasecmp (ci->ci_subtype, "partial"))
adios (NULL, "sorry, \"#%s/%s\" isn't supported",
ci->ci_type, ci->ci_subtype);
- if (!mh_strcasecmp (ci->ci_subtype, "external-body"))
+ if (!strcasecmp (ci->ci_subtype, "external-body"))
adios (NULL, "use \"#@type/subtype ... [] ...\" instead of \"#%s/%s\"",
ci->ci_type, ci->ci_subtype);
use_forw:
if (ci->ci_magic) {
/* check if specifies command to execute */
if (*ci->ci_magic == '|' || *ci->ci_magic == '!') {
- for (cp = ci->ci_magic + 1; isspace (*cp); cp++)
+ for (cp = ci->ci_magic + 1; isspace ((unsigned char) *cp); cp++)
continue;
if (!*cp)
adios (NULL, "empty pipe command for #%s directive", ci->ci_type);
* Message directive
* #forw [+folder] [msgs]
*/
- if (!mh_strcasecmp (ci->ci_type, "forw")) {
+ if (!strcasecmp (ci->ci_type, "forw")) {
int msgnum;
char *folder, *arguments[MAXARGS];
struct msgs *mp;
if (!folder)
folder = add (getfolder (1), NULL);
- if (!(mp = folder_read (folder)))
+ if (!(mp = folder_read (folder, 0)))
adios (NULL, "unable to read folder %s", folder);
for (ap = arguments; *ap; ap++) {
cp = *ap;
if ((p = (CT) calloc (1, sizeof(*p))) == NULL)
adios (NULL, "out of memory");
init_decoded_content (p);
- pe = p->c_cefile;
+ pe = &p->c_cefile;
if (get_ctinfo ("message/rfc822", p, 0) == NOTOK)
done (1);
p->c_type = CT_MESSAGE;
/*
* #end
*/
- if (!mh_strcasecmp (ci->ci_type, "end")) {
+ if (!strcasecmp (ci->ci_type, "end")) {
free_content (ct);
*ctp = NULL;
return DONE;
/*
* #begin [ alternative | parallel ]
*/
- if (!mh_strcasecmp (ci->ci_type, "begin")) {
+ if (!strcasecmp (ci->ci_type, "begin")) {
if (!ci->ci_magic) {
vrsn = MULTI_MIXED;
cp = SubMultiPart[vrsn - 1].kv_key;
- } else if (!mh_strcasecmp (ci->ci_magic, "alternative")) {
+ } else if (!strcasecmp (ci->ci_magic, "alternative")) {
vrsn = MULTI_ALTERNATE;
cp = SubMultiPart[vrsn - 1].kv_key;
- } else if (!mh_strcasecmp (ci->ci_magic, "parallel")) {
+ } else if (!strcasecmp (ci->ci_magic, "parallel")) {
vrsn = MULTI_PARALLEL;
cp = SubMultiPart[vrsn - 1].kv_key;
} else if (uprf (ci->ci_magic, "digest")) {
static int
compose_content (CT ct)
{
- CE ce = ct->c_cefile;
+ CE ce = &ct->c_cefile;
switch (ct->c_type) {
case CT_MULTIPART:
if ((out = fopen (ce->ce_file, "w")) == NULL)
adios (ce->ce_file, "unable to open for writing");
- for (i = 0; (child_id = vfork()) == NOTOK && i > 5; i++)
+ for (i = 0; (child_id = fork()) == NOTOK && i > 5; i++)
sleep (5);
switch (child_id) {
case NOTOK:
int checklinelen = 0, linelen = 0; /* check for long lines */
int checkboundary = 0, boundaryclash = 0; /* check if clashes with multipart boundary */
int checklinespace = 0, linespace = 0; /* check if any line ends with space */
- unsigned char *cp = NULL, buffer[BUFSIZ];
+ char *cp = NULL, buffer[BUFSIZ];
struct text *t = NULL;
FILE *in = NULL;
- CE ce = ct->c_cefile;
+ CE ce = &ct->c_cefile;
/*
* handle multipart by scanning all subparts
*/
if (check8bit) {
for (cp = buffer; *cp; cp++) {
- if (!isascii (*cp)) {
+ if (!isascii ((unsigned char) *cp)) {
contains8bit = 1;
check8bit = 0; /* no need to keep checking */
}
/*
* Check if line ends with a space.
*/
- if (checklinespace && (cp = buffer + strlen (buffer) - 2) > buffer && isspace (*cp)) {
+ if (checklinespace && (cp = buffer + strlen (buffer) - 2) > buffer && isspace ((unsigned char) *cp)) {
linespace = 1;
checklinespace = 0; /* no need to keep checking */
}
*/
if (checkboundary && buffer[0] == '-' && buffer[1] == '-') {
for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
- if (!isspace (*cp))
+ if (!isspace ((unsigned char) *cp))
break;
*++cp = '\0';
- if (!strncmp(buffer + 2, prefix, len) && isdigit(buffer[2 + len])) {
+ if (!strncmp(buffer + 2, prefix, len) && isdigit((unsigned char) buffer[2 + len])) {
boundaryclash = 1;
checkboundary = 0; /* no need to keep checking */
}
static int
build_headers (CT ct)
{
- int cc, mailbody, len;
+ int cc, mailbody, extbody, len;
char **ap, **ep;
char *np, *vp, buffer[BUFSIZ];
CI ci = &ct->c_ctinfo;
len = strlen (TYPE_FIELD) + strlen (ci->ci_type)
+ strlen (ci->ci_subtype) + 3;
- mailbody = ct->c_type == CT_MESSAGE
- && ct->c_subtype == MESSAGE_EXTERNAL
- && ((struct exbody *) ct->c_ctparams)->eb_body;
+ extbody = ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_EXTERNAL;
+ mailbody = extbody && ((struct exbody *) ct->c_ctparams)->eb_body;
/*
* Append the attribute/value pairs to
* the end of the Content-Type line.
*/
for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
- if (mailbody && !mh_strcasecmp (*ap, "body"))
+ if (mailbody && !strcasecmp (*ap, "body"))
continue;
vp = add (";", vp);
len++;
+ /*
+ * According to RFC 2017, if we have a URL longer than 40 characters
+ * we have to break it across multiple lines
+ */
+
+ if (extbody && strcasecmp (*ap, "url") == 0) {
+ char *value = *ep;
+
+ /* 7 here refers to " url=\"\"" */
+ if (len + 1 + (cc = (min(MAXURLTOKEN, strlen(value)) + 7)) >=
+ CPERLIN) {
+ vp = add ("\n\t", vp);
+ len = 8;
+ } else {
+ vp = add (" ", vp);
+ len++;
+ }
+
+ vp = add ("url=\"", vp);
+ len += 5;
+
+ while (strlen(value) > MAXURLTOKEN) {
+ strncpy(buffer, value, MAXURLTOKEN);
+ buffer[MAXURLTOKEN] = '\0';
+ vp = add (buffer, vp);
+ vp = add ("\n\t", vp);
+ value += MAXURLTOKEN;
+ len = 8;
+ }
+
+ vp = add (value, vp);
+ vp = add ("\"", vp);
+ len += strlen(value) + 1;
+ continue;
+ }
+
snprintf (buffer, sizeof(buffer), "%s=\"%s\"", *ap, *ep);
if (len + 1 + (cc = strlen (buffer)) >= CPERLIN) {
vp = add ("\n\t", vp);
unsigned char digest[16];
unsigned char outbuf[25];
MD5_CTX mdContext;
- CE ce = ct->c_cefile;
+ CE ce = &ct->c_cefile;
char *infilename = ce->ce_file ? ce->ce_file : ct->c_file;
FILE *in;
}
/* encode the digest using base64 */
- for (dp = digest, op = outbuf, cc = sizeof(digest) / sizeof(digest[0]);
+ for (dp = digest, op = (char *) outbuf,
+ cc = sizeof(digest) / sizeof(digest[0]);
cc > 0; cc -= 3, op += 4) {
unsigned long bits;
char *bp;