#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>
extern int rcachesw; /* mhcachesbr.c */
extern int wcachesw; /* mhcachesbr.c */
-/*
- * Directory to place tmp files. This must
- * be set before these routines are called.
- */
-char *tmp;
-
pid_t xpid = 0;
static char prefix[] = "----- =_aaaaaaaaaa";
+struct attach_list {
+ char *filename;
+ struct attach_list *next;
+};
+
+/*
+ * 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
*/
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);
* draft into the linked list of header fields for
* the new MIME message.
*/
+ m_getfld_track_filepos (&gstate, in);
for (compnum = 1;;) {
int bufsz = sizeof buf;
switch (state = m_getfld (&gstate, name, buf, &bufsz, in)) {
case FLDPLUS:
compnum++;
- /* abort if draft has Mime-Version header field */
- if (!mh_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))
- 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 (!mh_strcasecmp (name, TYPE_FIELD)) {
+ if (!strcasecmp (name, TYPE_FIELD)) {
while (state == FLDPLUS) {
bufsz = sizeof buf;
state = m_getfld (&gstate, name, buf, &bufsz, in);
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);
+ entry->next = NULL;
+ 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
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 */
*/
static int
-user_content (FILE *in, char *file, char *buf, CT *ctp)
+user_content (FILE *in, 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);
FILE *out;
char *cp;
- cp = m_mktemp2(NULL, invo_name, NULL, &out);
- if (cp == NULL) adios("mhbuildsbr", "unable to create temporary file");
+ if ((cp = m_mktemp2(NULL, invo_name, NULL, &out)) == NULL) {
+ adios("mhbuildsbr", "unable to create temporary file in %s",
+ get_temp_dir());
+ }
/* use a temp file to collect the plain text lines */
ce->ce_file = add (cp, NULL);
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")) {
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;
static int
compose_content (CT ct)
{
- CE ce = ct->c_cefile;
+ CE ce = &ct->c_cefile;
switch (ct->c_type) {
case CT_MULTIPART:
if (!(cp = ci->ci_magic))
adios (NULL, "internal error(5)");
- tfile = m_mktemp2(NULL, invo_name, NULL, NULL);
- if (tfile == NULL) {
- adios("mhbuildsbr", "unable to create temporary file");
- }
+ if ((tfile = m_mktemp2(NULL, invo_name, NULL, NULL)) == NULL) {
+ adios("mhbuildsbr", "unable to create temporary file in %s",
+ get_temp_dir());
+ }
ce->ce_file = add (tfile, NULL);
ce->ce_unlink = 1;
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;
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