static char prefix[] = "----- =_aaaaaaaaaa";
+struct attach_list {
+ char *filename;
+ struct attach_list *next;
+};
+
/*
* Maximum size of URL token in message/external-body
*/
void free_ctinfo (CT);
void free_encoding (CT, int);
-/*
- * prototypes
- */
-CT build_mime (char *, int);
-
/*
* static prototypes
*/
static int init_decoded_content (CT);
+static void setup_attach_content(CT, char *);
static char *fgetstr (char *, int, FILE *);
-static int user_content (FILE *, char *, char *, CT *);
+static int user_content (FILE *, char *, CT *);
static void set_id (CT, int);
static int compose_content (CT);
static int scan_content (CT);
*/
CT
-build_mime (char *infile, int directives)
+build_mime (char *infile, int autobuild, int dist, 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;
+ struct attach_list *attach_head = NULL, *attach_tail = NULL, *at_entry;
directive_init(directives);
case FLDPLUS:
compnum++;
- /* abort if draft has Mime-Version header 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 (!strcasecmp (name, ENCODING_FIELD))
- adios (NULL, "draft shouldn't contain %s: field", ENCODING_FIELD);
+ /* abort if draft has Mime-Version or C-T-E header field */
+ if (strcasecmp (name, VRSN_FIELD) == 0 ||
+ strcasecmp (name, ENCODING_FIELD) == 0) {
+ if (autobuild) {
+ fclose(in);
+ return NULL;
+ } else {
+ adios (NULL, "draft shouldn't contain %s: field", name);
+ }
+ }
/* ignore any Content-Type fields in the header */
if (!strcasecmp (name, TYPE_FIELD)) {
vp = add (buf, vp); /* add to previous value */
}
- /* Now add the header data to the list */
- add_header (ct, np, vp);
+ /*
+ * Now add the header data to the list, unless it's an attach
+ * header; in that case, add it to our attach list
+ */
+
+ if (strcasecmp(ATTACH_FIELD, np) == 0) {
+ struct attach_list *entry;
+ char *s = vp, *e = vp + strlen(vp) - 1;
+ free(np);
+
+ /*
+ * Make sure we can find the start of this filename.
+ * If it's blank, we skip completely. Otherwise, strip
+ * off any leading spaces and trailing newlines.
+ */
+
+ while (isspace((unsigned char) *s))
+ s++;
+
+ while (e > s && *e == '\n')
+ *e-- = '\0';
+
+ if (*s == '\0') {
+ free(vp);
+ goto finish_field;
+ }
+
+ entry = mh_xmalloc(sizeof(*entry));
+ entry->filename = getcpy(s);
+ free(vp);
+ if (attach_tail) {
+ attach_tail->next = entry;
+ attach_tail = entry;
+ } else {
+ attach_head = attach_tail = entry;
+ }
+ } else {
+ add_header (ct, np, vp);
+ }
finish_field:
/* if this wasn't the last header field, then continue */
continue;
- case FILEEOF:
- adios (NULL, "draft has empty body -- no directives!");
- /* NOTREACHED */
-
case BODY:
fseek (in, (long) (-strlen (buf)), SEEK_CUR);
+ /* fall through */
+ case FILEEOF:
break;
case LENERR:
}
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
* to the list of header fields.
*/
- np = add (VRSN_FIELD, NULL);
- vp = concat (" ", VRSN_VALUE, "\n", NULL);
- add_header (ct, np, vp);
+
+ if (! dist) {
+ np = add (VRSN_FIELD, NULL);
+ vp = concat (" ", VRSN_VALUE, "\n", NULL);
+ add_header (ct, np, vp);
+ }
/*
* We initally assume we will find multiple contents in the
struct part *part;
CT p;
- if (user_content (in, infile, buf, &p) == DONE) {
+ if (user_content (in, buf, &p) == DONE) {
admonish (NULL, "ignoring spurious #end");
continue;
}
part->mp_part = p;
}
+ /*
+ * Add any Attach headers to the list of MIME parts at the end of the
+ * message.
+ */
+
+ for (at_entry = attach_head; at_entry; ) {
+ struct attach_list *at_prev = at_entry;
+ struct part *part;
+ CT p;
+
+ if (access(at_entry->filename, R_OK) != 0) {
+ adios("reading", "Unable to open %s for", at_entry->filename);
+ }
+
+ if ((p = (CT) calloc (1, sizeof(*p))) == NULL)
+ adios(NULL, "out of memory");
+
+ init_decoded_content(p);
+
+ /*
+ * Initialize our content structure based on the filename,
+ * and fill in all of the relevant fields. Also place MIME
+ * parameters in the attributes array.
+ */
+
+ setup_attach_content(p, at_entry->filename);
+
+ if ((part = (struct part *) calloc (1, sizeof(*part))) == NULL)
+ adios (NULL, "out of memory");
+ *pp = part;
+ pp = &part->mp_next;
+ part->mp_part = p;
+
+ at_entry = at_entry->next;
+ free(at_prev->filename);
+ free(at_prev);
+ }
+
+ /*
+ * To allow for empty message bodies, if we've found NO content at all
+ * yet cook up an empty text/plain part.
+ */
+
+ if (!m->mp_parts) {
+ CT p;
+ struct part *part;
+ struct text *t;
+
+ if ((p = (CT) calloc (1, sizeof(*p))) == NULL)
+ adios(NULL, "out of memory");
+
+ init_decoded_content(p);
+
+ if (get_ctinfo ("text/plain", p, 0) == NOTOK)
+ done (1);
+
+ p->c_type = CT_TEXT;
+ p->c_subtype = TEXT_PLAIN;
+ p->c_encoding = CE_7BIT;
+ p->c_file = getcpy(infile);
+ /*
+ * Sigh. ce_file contains the "decoded" contents of this part.
+ * So this seems like the best option available since we're going
+ * to call scan_content() on this.
+ */
+ p->c_cefile.ce_file = getcpy("/dev/null");
+ p->c_begin = ftell(in);
+ p->c_end = ftell(in);
+
+ if ((t = (struct text *) calloc (1, sizeof (*t))) == NULL)
+ adios (NULL, "out of memory");
+
+ t->tx_charset = CHARSET_SPECIFIED;
+ p->c_ctparams = t;
+
+ if ((part = (struct part *) calloc (1, sizeof(*part))) == NULL)
+ adios (NULL, "out of memory");
+ *pp = part;
+ pp = &part->mp_next;
+ part->mp_part = p;
+ }
+
/*
* close the composition draft since
* it's not needed any longer.
*/
fclose (in);
- /* check if any contents were found */
- if (!m->mp_parts)
- adios (NULL, "no content directives found");
-
/*
* If only one content was found, then remove and
* free the outer multipart content.
}
/* Build the rest of the header field structures */
- build_headers (ct);
+ if (! dist)
+ build_headers (ct);
return ct;
}
*/
static int
-user_content (FILE *in, char *file, char *buf, CT *ctp)
+user_content (FILE *in, char *buf, CT *ctp)
{
int extrnal, vrsn;
char *cp, **ap;
struct part *part;
CT p;
- if (user_content (in, file, buffer, &p) == DONE) {
+ if (user_content (in, buffer, &p) == DONE) {
if (!m->mp_parts)
adios (NULL, "empty \"#begin ... #end\" sequence");
return OK;
vp = concat (" ", outbuf, "\n", NULL);
return vp;
}
+
+/*
+ * Set things up for the content structure for file "filename" that
+ * we want to attach
+ */
+
+static void
+setup_attach_content(CT ct, char *filename)
+{
+ char *type, **ap, **ep, *simplename = r1bindex(filename, '/');
+ struct str2init *s2i;
+
+ if (! (type = mime_type(filename))) {
+ adios(NULL, "Unable to determine MIME type of \"%s\"", filename);
+ }
+
+ /*
+ * Parse the Content-Type. get_ctinfo() parses MIME parameters, but
+ * since we're just feeding it a MIME type we have to add those ourself.
+ * Map that to a valid content-type label and call any initialization
+ * function.
+ */
+
+ if (get_ctinfo(type, ct, 0) == NOTOK)
+ done(1);
+
+ free(type);
+
+ for (s2i = str2cts; s2i->si_key; s2i++)
+ if (strcasecmp(ct->c_ctinfo.ci_type, s2i->si_key) == 0)
+ break;
+ if (!s2i->si_key && !uprf(ct->c_ctinfo.ci_type, "X-"))
+ s2i++;
+
+ /*
+ * Make sure the type isn't incompatible with what we can handle
+ */
+
+ switch (ct->c_type = s2i->si_val) {
+ case CT_MULTIPART:
+ adios (NULL, "multipart types must be specified by mhbuild directives");
+ /* NOTREACHED */
+
+ case CT_MESSAGE:
+ if (strcasecmp(ct->c_ctinfo.ci_subtype, "partial") == 0)
+ adios(NULL, "Sorry, %s/%s isn't supported", ct->c_ctinfo.ci_type,
+ ct->c_ctinfo.ci_subtype);
+ if (strcasecmp(ct->c_ctinfo.ci_subtype, "external-body") == 0)
+ adios(NULL, "external-body messages must be specified "
+ "by mhbuild directives");
+ /* Fall through */
+
+ default:
+ /*
+ * This sets the subtype, if it's significant
+ */
+ if ((ct->c_ctinitfnx = s2i->si_init))
+ (*ct->c_ctinitfnx)(ct);
+ break;
+ }
+
+ /*
+ * Feed in a few attributes; specifically, the name attribute, the
+ * content-description, and the content-disposition.
+ */
+
+ for (ap = ct->c_ctinfo.ci_attrs, ep = ct->c_ctinfo.ci_values; *ap;
+ ap++, ep++) {
+ if (strcasecmp(*ap, "name") == 0) {
+ if (*ep)
+ free(*ep);
+ *ep = getcpy(simplename);
+ break;
+ }
+ }
+
+ if (*ap == NULL) {
+ *ap = getcpy("name");
+ *ep = getcpy(simplename);
+ }
+
+ ct->c_descr = getcpy(simplename);
+ ct->c_descr = add("\n", ct->c_descr);
+ ct->c_cefile.ce_file = getcpy(filename);
+
+ /*
+ * If it's a text/calendar, we need to make sure it's an inline,
+ * otherwise it won't work with some calendar programs. Otherwise
+ * assume attachment
+ */
+
+ if (strcasecmp(ct->c_ctinfo.ci_type, "text") == 0 &&
+ strcasecmp(ct->c_ctinfo.ci_subtype, "calendar") == 0) {
+ ct->c_dispo = getcpy("inline; filename=\"");
+ } else {
+ ct->c_dispo = getcpy("attachment; filename=\"");
+ }
+
+ ct->c_dispo = add(simplename, ct->c_dispo);
+ ct->c_dispo = add("\"\n", ct->c_dispo);
+}
projects / nmh / blobdiff