-
/*
- * mhstore.c -- store the contents of MIME messages
- *
- * $Id$
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** mhstore.c -- store 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
+** complete copyright information.
+*/
#include <h/mh.h>
#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>
#include <h/mhparse.h>
-#include <h/mhcachesbr.h>
#include <h/utils.h>
-
-#ifdef HAVE_SYS_WAIT_H
-# include <sys/wait.h>
-#endif
-
-/*
- * We allocate space for message names (msgs array)
- * this number of elements at a time.
- */
-#define MAXMSGS 256
-
+#include <unistd.h>
+#include <sys/stat.h>
+#include <locale.h>
+#include <sysexits.h>
static struct swit switches[] = {
-#define AUTOSW 0
- { "auto", 0 },
-#define NAUTOSW 1
- { "noauto", 0 },
-#define CHECKSW 2
- { "check", 0 },
-#define NCHECKSW 3
- { "nocheck", 0 },
-#define VERBSW 4
- { "verbose", 0 },
-#define NVERBSW 5
- { "noverbose", 0 },
-#define FILESW 6 /* interface from show */
- { "file file", 0 },
-#define PARTSW 7
- { "part number", 0 },
-#define TYPESW 8
- { "type content", 0 },
-#define RCACHESW 9
- { "rcache policy", 0 },
-#define WCACHESW 10
- { "wcache policy", 0 },
-#define VERSIONSW 11
- { "version", 0 },
-#define HELPSW 12
- { "help", 0 },
-
-/*
- * switches for debugging
- */
-#define DEBUGSW 13
- { "debug", -5 },
- { NULL, 0 }
+#define AUTOSW 0
+ { "auto", 0 },
+#define NAUTOSW 1
+ { "noauto", 2 },
+#define FILESW 2 /* interface from show */
+ { "file file", 0 },
+#define PARTSW 3
+ { "part number", 0 },
+#define TYPESW 4
+ { "type content", 0 },
+#define VERSIONSW 5
+ { "Version", 0 },
+#define HELPSW 6
+ { "help", 0 },
+#define DEBUGSW 7
+ { "debug", -5 },
+ { NULL, 0 }
};
+char *version=VERSION;
/* mhparse.c */
-extern int checksw;
-extern char *tmp; /* directory to place temp files */
-
-/* mhcachesbr.c */
-extern int rcachesw;
-extern int wcachesw;
-extern char *cache_public;
-extern char *cache_private;
-
-/* mhstoresbr.c */
-extern int autosw;
-extern char *cwd; /* cache current working directory */
+extern char *tmp; /* directory to place temp files */
/* mhmisc.c */
extern int npart;
extern int userrs;
int debugsw = 0;
-int verbosw = 0;
-/* The list of top-level contents to display */
-CT *cts = NULL;
-
-#define quitser pipeser
+#define quitser pipeser
/* mhparse.c */
-CT parse_mime (char *);
+CT parse_mime(char *);
/* mhmisc.c */
-int part_ok (CT, int);
-int type_ok (CT, int);
-void set_endian (void);
-void flush_errors (void);
-
-/* mhstoresbr.c */
-void store_all_messages (CT *);
+int part_ok(CT, int);
+int type_ok(CT, int);
+void set_endian(void);
+void flush_errors(void);
/* mhfree.c */
-void free_content (CT);
+void free_content(CT);
+extern CT *cts; /* The list of top-level contents to display */
+void freects_done();
+
+/*
+** static prototypes
+*/
+static void pipeser(int);
+
+int autosw = 1;
+
+/*
+** Cache of current directory. This must be
+** set before these routines are called.
+*/
+char *cwd;
/*
- * static prototypes
- */
-static RETSIGTYPE pipeser (int);
+** The directory in which to store the contents.
+*/
+static char *dir;
+
+/*
+** Type for a compare function for qsort. This keeps
+** the compiler happy.
+*/
+typedef int (*qsort_comp) (const void *, const void *);
+
+
+/* mhmisc.c */
+int part_ok(CT, int);
+int type_ok(CT, int);
+int make_intermediates(char *);
+void flush_errors(void);
+
+/* mhshowsbr.c */
+int show_content_aux(CT, int, char *, char *);
+
+/*
+** static prototypes
+*/
+static void store_single_message(CT);
+static int store_switch(CT);
+static int store_generic(CT);
+static int store_multi(CT);
+static int store_partial(CT);
+static int store_external(CT);
+static int ct_compar(CT *, CT *);
+static int store_content(CT, CT);
+static int output_content_file(CT, int);
+static int output_content_folder(char *, char *);
+static int parse_format_string(CT, char *, char *, int, char *);
+static int copy_some_headers(FILE *, CT);
+static void store_all_messages(CT *);
int
-main (int argc, char **argv)
+main(int argc, char **argv)
+{
+ int msgnum;
+ char *cp, *file = NULL, *folder = NULL;
+ char *maildir, buf[100], **argp;
+ char **arguments;
+ struct msgs_array msgs = { 0, 0, NULL };
+ struct msgs *mp = NULL;
+ CT ct, *ctp;
+ FILE *fp;
+
+ if (atexit(freects_done) != 0) {
+ adios(EX_OSERR, NULL, "atexit failed");
+ }
+
+ setlocale(LC_ALL, "");
+ invo_name = mhbasename(argv[0]);
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments(invo_name, argc, argv, 1);
+ argp = arguments;
+
+ /*
+ ** Parse arguments
+ */
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ exit(EX_USAGE);
+ case UNKWNSW:
+ adios(EX_USAGE, NULL, "-%s unknown", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [switches]", invo_name);
+ print_help(buf, switches, 1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+ case VERSIONSW:
+ print_version(invo_name);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+
+ case AUTOSW:
+ autosw++;
+ continue;
+ case NAUTOSW:
+ autosw = 0;
+ continue;
+
+ case PARTSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ if (npart >= NPARTS)
+ adios(EX_USAGE, NULL, "too many parts (starting with %s), %d max", cp, NPARTS);
+ parts[npart++] = cp;
+ continue;
+
+ case TYPESW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ if (ntype >= NTYPES)
+ adios(EX_USAGE, NULL, "too many types (starting with %s), %d max", cp, NTYPES);
+ types[ntype++] = cp;
+ continue;
+
+ case FILESW:
+ if (!(cp = *argp++) || (*cp == '-' && cp[1]))
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ file = *cp == '-' ? cp : mh_xstrdup(expanddir(cp));
+ continue;
+
+ case DEBUGSW:
+ debugsw = 1;
+ continue;
+ }
+ }
+ if (*cp == '+' || *cp == '@') {
+ if (folder)
+ adios(EX_USAGE, NULL, "only one folder at a time!");
+ else
+ folder = mh_xstrdup(expandfol(cp));
+ } else
+ app_msgarg(&msgs, cp);
+ }
+
+ /* null terminate the list of acceptable parts/types */
+ parts[npart] = NULL;
+ types[ntype] = NULL;
+
+ set_endian();
+
+ /*
+ ** Check if we've specified an additional profile
+ */
+ if ((cp = getenv("MHSTORE"))) {
+ if ((fp = fopen(cp, "r"))) {
+ readconfig((struct node **) 0, fp, cp, 0);
+ fclose(fp);
+ } else {
+ admonish("", "unable to read $MHSTORE profile (%s)",
+ cp);
+ }
+ }
+
+ /*
+ ** Read the standard profile setup
+ */
+ if ((fp = fopen(cp = etcpath("mhn.defaults"), "r"))) {
+ readconfig((struct node **) 0, fp, cp, 0);
+ fclose(fp);
+ }
+
+ /*
+ ** Cache the current directory before we do any chdirs()'s.
+ */
+ cwd = mh_xstrdup(pwd());
+
+ /*
+ ** Check for storage directory. If specified,
+ ** then store temporary files there. Else we
+ ** store them in standard nmh directory.
+ */
+ if ((cp = context_find(nmhstorage)) && *cp)
+ tmp = concat(cp, "/", invo_name, NULL);
+ else
+ tmp = mh_xstrdup(toabsdir(invo_name));
+
+ if (file && msgs.size)
+ adios(EX_USAGE, NULL, "cannot specify msg and file at same time!");
+
+ /*
+ ** check if message is coming from file
+ */
+ if (file) {
+ cts = mh_xcalloc(2, sizeof(*cts));
+ ctp = cts;
+
+ if ((ct = parse_mime(file)))
+ *ctp++ = ct;
+ } else {
+ /*
+ ** message(s) are coming from a folder
+ */
+ if (!msgs.size)
+ app_msgarg(&msgs, seq_cur);
+ if (!folder)
+ folder = getcurfol();
+ maildir = toabsdir(folder);
+
+ if (chdir(maildir) == NOTOK)
+ adios(EX_OSERR, maildir, "unable to change directory to");
+
+ /* read folder and create message structure */
+ if (!(mp = folder_read(folder)))
+ adios(EX_IOERR, NULL, "unable to read folder %s", folder);
+
+ /* check for empty folder */
+ if (mp->nummsg == 0)
+ adios(EX_DATAERR, NULL, "no messages in %s", folder);
+
+ /* parse all the message ranges/sequences and set SELECTED */
+ for (msgnum = 0; msgnum < msgs.size; msgnum++)
+ if (!m_convert(mp, msgs.msgs[msgnum]))
+ exit(EX_USAGE);
+ seq_setprev(mp); /* set the previous-sequence */
+
+ cts = mh_xcalloc(mp->numsel + 1, sizeof(*cts));
+ ctp = cts;
+
+ for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
+ if (is_selected(mp, msgnum)) {
+ char *msgnam;
+
+ msgnam = m_name(msgnum);
+ if ((ct = parse_mime(msgnam)))
+ *ctp++ = ct;
+ }
+ }
+ }
+
+ if (!*cts)
+ exit(EX_SOFTWARE);
+
+ userrs = 1;
+ SIGNAL(SIGQUIT, quitser);
+ SIGNAL(SIGPIPE, pipeser);
+
+ /*
+ ** Get the associated umask for the relevant contents.
+ */
+ for (ctp = cts; *ctp; ctp++) {
+ struct stat st;
+
+ ct = *ctp;
+ if (type_ok(ct, 1) && !ct->c_umask) {
+ if (stat(ct->c_file, &st) != NOTOK)
+ ct->c_umask = ~(st.st_mode & 0777);
+ else
+ ct->c_umask = ~m_gmprot();
+ }
+ }
+
+ /*
+ ** Store the message content
+ */
+ store_all_messages(cts);
+
+ /* Now free all the structures for the content */
+ for (ctp = cts; *ctp; ctp++)
+ free_content(*ctp);
+
+ mh_free0(&cts);
+
+ /* If reading from a folder, do some updating */
+ if (mp) {
+ context_replace(curfolder, folder); /* update current folder */
+ seq_setcur(mp, mp->hghsel); /* update current message */
+ seq_save(mp); /* synchronize sequences */
+ context_save(); /* save the context file */
+ }
+
+ return 0;
+}
+
+
+static void
+pipeser(int i)
{
- int nummsgs, maxmsgs, msgnum, *icachesw;
- char *cp, *file = NULL, *folder = NULL;
- char *maildir, buf[100], **argp;
- char **arguments, **msgs;
- struct msgs *mp = NULL;
- CT ct, *ctp;
- FILE *fp;
-
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- /*
- * Allocate the initial space to record message
- * names, ranges, and sequences.
- */
- nummsgs = 0;
- maxmsgs = MAXMSGS;
- msgs = (char **) mh_xmalloc ((size_t) (maxmsgs * sizeof(*msgs)));
-
- /*
- * Parse arguments
- */
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- adios (NULL, "-%s unknown", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]",
- invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case AUTOSW:
- autosw++;
- continue;
- case NAUTOSW:
- autosw = 0;
- continue;
-
- case RCACHESW:
- icachesw = &rcachesw;
- goto do_cache;
- case WCACHESW:
- icachesw = &wcachesw;
-do_cache:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- switch (*icachesw = smatch (cp, caches)) {
- case AMBIGSW:
- ambigsw (cp, caches);
- done (1);
- case UNKWNSW:
- adios (NULL, "%s unknown", cp);
+ if (i == SIGQUIT) {
+ unlink("core");
+ fflush(stdout);
+ fprintf(stderr, "\n");
+ fflush(stderr);
+ exit(EX_TEMPFAIL);
+ }
+
+ exit(EX_IOERR);
+ /* NOTREACHED */
+}
+
+
+/*
+** Main entry point to store content from a collection of messages.
+*/
+static void
+store_all_messages(CT *cts)
+{
+ CT ct, *ctp;
+ char *cp;
+
+ /*
+ ** Check for the directory in which to
+ ** store any contents.
+ */
+ if ((cp = context_find(nmhstorage)) && *cp)
+ dir = mh_xstrdup(cp);
+ else
+ dir = mh_xstrdup(cwd);
+
+ for (ctp = cts; *ctp; ctp++) {
+ ct = *ctp;
+ store_single_message(ct);
+ }
+
+ flush_errors();
+}
+
+
+/*
+** Entry point to store the content
+** in a (single) message
+*/
+
+static void
+store_single_message(CT ct)
+{
+ if (type_ok(ct, 1)) {
+ umask(ct->c_umask);
+ store_switch(ct);
+ if (ct->c_fp) {
+ fclose(ct->c_fp);
+ ct->c_fp = NULL;
+ }
+ if (ct->c_ceclosefnx)
+ (*ct->c_ceclosefnx) (ct);
+ }
+}
+
+
+/*
+** Switching routine to store different content types
+*/
+
+static int
+store_switch(CT ct)
+{
+ switch (ct->c_type) {
+ case CT_MULTIPART:
+ return store_multi(ct);
+ break;
+
+ case CT_MESSAGE:
+ switch (ct->c_subtype) {
+ case MESSAGE_PARTIAL:
+ return store_partial(ct);
+ break;
+
+ case MESSAGE_EXTERNAL:
+ return store_external(ct);
+
+ case MESSAGE_RFC822:
default:
- break;
+ return store_generic(ct);
+ break;
+ }
+ break;
+
+ case CT_APPLICATION:
+ case CT_TEXT:
+ case CT_AUDIO:
+ case CT_IMAGE:
+ case CT_VIDEO:
+ return store_generic(ct);
+ break;
+
+ default:
+ adios(EX_DATAERR, NULL, "unknown content type %d", ct->c_type);
+ break;
+ }
+
+ return OK; /* NOT REACHED */
+}
+
+
+/*
+** Generic routine to store a MIME content.
+** (application, audio, video, image, text, message/rfc922)
+*/
+static int
+store_generic(CT ct)
+{
+ char **ap, **vp, *cp, *filename;
+ CI ci = &ct->c_ctinfo;
+
+ /*
+ ** Check if the content specifies a filename in its MIME parameters.
+ ** Don't bother with this for type "message"
+ ** (only the "message" subtype "rfc822" will use store_generic).
+ */
+ if (autosw && ct->c_type != CT_MESSAGE) {
+ /* First check for "filename" in Content-Disposition header */
+ filename = extract_name_value("filename", ct->c_dispo);
+ if (filename && strcmp(filename, ct->c_dispo)!=0) {
+ /* We found "filename" */
+ cp = mhbasename(filename);
+ if (*cp && *cp!='.' && *cp!='|' && *cp!='!' &&
+ !strchr(cp, '%')) {
+ /* filename looks good: use it */
+ ct->c_storeproc = mh_xstrdup(cp);
+ goto finished;
+ }
+ }
+ /*
+ ** Check the attribute/value pairs, for the attribute "name".
+ ** If found, take the basename, do a few sanity checks and
+ ** copy the value into c_storeproc.
+ */
+ for (ap = ci->ci_attrs, vp = ci->ci_values; *ap; ap++,vp++) {
+ if (mh_strcasecmp(*ap, "name")!=0) {
+ continue;
+ }
+ cp = mhbasename(*vp);
+ if (*cp && *cp!='.' && *cp!='|' && *cp!='!' &&
+ !strchr(cp, '%')) {
+ /* filename looks good: use it */
+ ct->c_storeproc = mh_xstrdup(cp);
+ }
+ break;
+ }
+ }
+
+finished:
+ return store_content(ct, NULL);
+}
+
+
+/*
+** Store the content of a multipart message
+*/
+
+static int
+store_multi(CT ct)
+{
+ int result;
+ struct multipart *m = (struct multipart *) ct->c_ctparams;
+ struct part *part;
+
+ result = NOTOK;
+ for (part = m->mp_parts; part; part = part->mp_next) {
+ CT p = part->mp_part;
+
+ if (part_ok(p, 1) && type_ok(p, 1)) {
+ result = store_switch(p);
+ if (result == OK && ct->c_subtype == MULTI_ALTERNATE)
+ break;
+ }
+ }
+
+ return result;
+}
+
+
+/*
+** Reassemble and store the contents of a collection
+** of messages of type "message/partial".
+*/
+
+static int
+store_partial(CT ct)
+{
+ int cur, hi, i;
+ CT p, *ctp, *ctq;
+ CT *base;
+ struct partial *pm, *qm;
+
+ qm = (struct partial *) ct->c_ctparams;
+ if (qm->pm_stored)
+ return OK;
+
+ hi = i = 0;
+ for (ctp = cts; *ctp; ctp++) {
+ p = *ctp;
+ if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
+ pm = (struct partial *) p->c_ctparams;
+ if (!pm->pm_stored &&
+ strcmp(qm->pm_partid, pm->pm_partid)
+ == 0) {
+ pm->pm_marked = pm->pm_partno;
+ if (pm->pm_maxno)
+ hi = pm->pm_maxno;
+ pm->pm_stored = 1;
+ i++;
+ } else
+ pm->pm_marked = 0;
+ }
+ }
+
+ if (hi == 0) {
+ advise(NULL, "missing (at least) last part of multipart message");
+ return NOTOK;
+ }
+
+ base = mh_xcalloc(i + 1, sizeof(*base));
+
+ ctq = base;
+ for (ctp = cts; *ctp; ctp++) {
+ p = *ctp;
+ if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
+ pm = (struct partial *) p->c_ctparams;
+ if (pm->pm_marked)
+ *ctq++ = p;
+ }
+ }
+ *ctq = NULL;
+
+ if (i > 1)
+ qsort((char *) base, i, sizeof(*base), (qsort_comp) ct_compar);
+
+ cur = 1;
+ for (ctq = base; *ctq; ctq++) {
+ p = *ctq;
+ pm = (struct partial *) p->c_ctparams;
+ if (pm->pm_marked != cur) {
+ if (pm->pm_marked == cur - 1) {
+ admonish(NULL, "duplicate part %d of %d part multipart message", pm->pm_marked, hi);
+ continue;
+ }
+
+missing_part:
+ advise (NULL, "missing %spart %d of %d part multipart message", cur != hi ? "(at least) " : "", cur, hi);
+ goto losing;
+ } else
+ cur++;
+ }
+ if (hi != --cur) {
+ cur = hi;
+ goto missing_part;
+ }
+
+ /*
+ ** Now cycle through the sorted list of messages of type
+ ** "message/partial" and save/append them to a file.
+ */
+
+ ctq = base;
+ ct = *ctq++;
+ if (store_content(ct, NULL) == NOTOK) {
+losing:
+ mh_free0(&base);
+ return NOTOK;
+ }
+
+ for (; *ctq; ctq++) {
+ p = *ctq;
+ if (store_content(p, ct) == NOTOK)
+ goto losing;
+ }
+
+ mh_free0(&base);
+ return OK;
+}
+
+
+/*
+** Show how to retrieve content of type "message/external".
+*/
+static int
+store_external(CT ct)
+{
+ char **ap, **ep;
+ char *msg;
+ FILE *fp;
+ char buf[BUFSIZ];
+
+ msg = add("You need to fetch the contents yourself:", NULL);
+ ap = ct->c_ctinfo.ci_attrs;
+ ep = ct->c_ctinfo.ci_values;
+ for (; *ap; ap++, ep++) {
+ msg = add(concat("\n\t", *ap, ": ", *ep, NULL), msg);
+ }
+ if (!(fp = fopen(ct->c_file, "r"))) {
+ adios(EX_IOERR, ct->c_file, "unable to open");
+ }
+ fseek(fp, ct->c_begin, SEEK_SET);
+ while (!feof(fp) && ftell(fp) < ct->c_end) {
+ if (!fgets(buf, sizeof buf, fp)) {
+ adios(EX_IOERR, ct->c_file, "unable to read");
+ }
+ *strchr(buf, '\n') = '\0';
+ msg = add(concat("\n\t", buf, NULL), msg);
+ }
+ fclose(fp);
+ advise(NULL, msg);
+ return OK;
+}
+
+
+/*
+** Compare the numbering from two different
+** message/partials (needed for sorting).
+*/
+
+static int
+ct_compar(CT *a, CT *b)
+{
+ struct partial *am = (struct partial *) ((*a)->c_ctparams);
+ struct partial *bm = (struct partial *) ((*b)->c_ctparams);
+
+ return (am->pm_marked - bm->pm_marked);
+}
+
+
+/*
+** Store contents of a message or message part to
+** a folder, a file, the standard output, or pass
+** the contents to a command.
+**
+** If the current content to be saved is a followup part
+** to a collection of messages of type "message/partial",
+** then field "p" is a pointer to the Content structure
+** to the first message/partial in the group.
+*/
+
+static int
+store_content(CT ct, CT p)
+{
+ int appending = 0, msgnum = 0;
+ int is_partial = 0, first_partial = 0;
+ int last_partial = 0;
+ char *cp, buffer[BUFSIZ];
+
+ /*
+ ** Do special processing for messages of
+ ** type "message/partial".
+ **
+ ** We first check if this content is of type
+ ** "message/partial". If it is, then we need to check
+ ** whether it is the first and/or last in the group.
+ **
+ ** Then if "p" is a valid pointer, it points to the Content
+ ** structure of the first partial in the group. So we copy
+ ** the file name and/or folder name from that message. In
+ ** this case, we also note that we will be appending.
+ */
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ /* Yep, it's a message/partial */
+ is_partial = 1;
+
+ /* But is it the first and/or last in the collection? */
+ if (pm->pm_partno == 1)
+ first_partial = 1;
+ if (pm->pm_maxno && pm->pm_partno == pm->pm_maxno)
+ last_partial = 1;
+
+ /*
+ ** If "p" is a valid pointer, then it points to the
+ ** Content structure for the first message in the group.
+ ** So we just copy the filename or foldername information
+ ** from the previous iteration of this function.
+ */
+ if (p) {
+ appending = 1;
+ ct->c_storage = mh_xstrdup(p->c_storage);
+
+ /* record the folder name */
+ if (p->c_folder) {
+ ct->c_folder = mh_xstrdup(p->c_folder);
+ }
+ goto got_filename;
+ }
+ }
+
+ /*
+ ** Get storage formatting string.
+ **
+ ** 1) If we have storeproc defined, then use that
+ ** 2) Else check for a mhstore-store-<type>/<subtype> entry
+ ** 3) Else check for a mhstore-store-<type> entry
+ ** 4) Else if content is "message", use "+" (current folder)
+ ** 5) Else use string "%m%P.%s".
+ */
+ if (!(cp = ct->c_storeproc) || !*cp) {
+ CI ci = &ct->c_ctinfo;
+
+ snprintf(buffer, sizeof(buffer), "%s-store-%s/%s",
+ invo_name, ci->ci_type, ci->ci_subtype);
+ if ((cp = context_find(buffer)) == NULL || *cp == '\0') {
+ snprintf(buffer, sizeof(buffer), "%s-store-%s",
+ invo_name, ci->ci_type);
+ if ((cp = context_find(buffer)) == NULL ||
+ *cp == '\0') {
+ cp = ct->c_type == CT_MESSAGE ?
+ "+" : "%m%P.%s";
+ }
}
- continue;
-
- case CHECKSW:
- checksw++;
- continue;
- case NCHECKSW:
- checksw = 0;
- continue;
-
- case PARTSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- if (npart >= NPARTS)
- adios (NULL, "too many parts (starting with %s), %d max",
- cp, NPARTS);
- parts[npart++] = cp;
- continue;
-
- case TYPESW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- if (ntype >= NTYPES)
- adios (NULL, "too many types (starting with %s), %d max",
- cp, NTYPES);
- types[ntype++] = cp;
- continue;
-
- case FILESW:
- if (!(cp = *argp++) || (*cp == '-' && cp[1]))
- adios (NULL, "missing argument to %s", argp[-2]);
- file = *cp == '-' ? cp : path (cp, TFILE);
- continue;
-
- case VERBSW:
- verbosw = 1;
- continue;
- case NVERBSW:
- verbosw = 0;
- continue;
- case DEBUGSW:
- debugsw = 1;
- continue;
- }
}
+
+ /*
+ ** Check the beginning of storage formatting string
+ ** to see if we are saving content to a folder.
+ */
if (*cp == '+' || *cp == '@') {
- if (folder)
- adios (NULL, "only one folder at a time!");
- else
- folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF);
+ char *tmpfilenam, *folder;
+
+ /* Store content in temporary file for now */
+ tmpfilenam = m_mktemp(invo_name, NULL, NULL);
+ ct->c_storage = mh_xstrdup(tmpfilenam);
+
+ /* Get the folder name */
+ if (cp[1])
+ folder = mh_xstrdup(expandfol(cp));
+ else
+ folder = getcurfol();
+
+ /* Check if folder exists */
+ create_folder(toabsdir(folder), 0, exit);
+
+ /* Record the folder name */
+ ct->c_folder = mh_xstrdup(folder);
+
+ if (cp[1])
+ mh_free0(&folder);
+
+ goto got_filename;
+ }
+
+ /*
+ ** Parse and expand the storage formatting string
+ ** in `cp' into `buffer'.
+ */
+ parse_format_string(ct, cp, buffer, sizeof(buffer), dir);
+
+ /*
+ ** If formatting begins with '|' or '!', then pass
+ ** content to standard input of a command and return.
+ */
+ if (buffer[0] == '|' || buffer[0] == '!')
+ return show_content_aux(ct, 0, buffer + 1, dir);
+
+ /* record the filename */
+ ct->c_storage = mh_xstrdup(buffer);
+
+got_filename:
+ /* flush the output stream */
+ fflush(stdout);
+
+ /* Now save or append the content to a file */
+ if (output_content_file(ct, appending) == NOTOK)
+ return NOTOK;
+
+ /*
+ ** If necessary, link the file into a folder and remove
+ ** the temporary file. If this message is a partial,
+ ** then only do this if it is the last one in the group.
+ */
+ if (ct->c_folder && (!is_partial || last_partial)) {
+ msgnum = output_content_folder(ct->c_folder, ct->c_storage);
+ unlink(ct->c_storage);
+ if (msgnum == NOTOK)
+ return NOTOK;
+ }
+
+ /*
+ ** Now print out the name/number of the message
+ ** that we are storing.
+ */
+ if (is_partial) {
+ if (first_partial)
+ fprintf(stderr, "reassembling partials ");
+ if (last_partial)
+ fprintf(stderr, "%s", ct->c_file);
+ else
+ fprintf(stderr, "%s,", ct->c_file);
} else {
- /*
- * Check if we need to allocate more space
- * for message names/ranges/sequences.
- */
- if (nummsgs >= maxmsgs) {
- maxmsgs += MAXMSGS;
- if (!(msgs = (char **) realloc (msgs,
- (size_t) (maxmsgs * sizeof(*msgs)))))
- adios (NULL, "unable to reallocate msgs storage");
- }
- msgs[nummsgs++] = cp;
- }
- }
-
- /* null terminate the list of acceptable parts/types */
- parts[npart] = NULL;
- types[ntype] = NULL;
-
- set_endian ();
-
- /*
- * Check if we've specified an additional profile
- */
- if ((cp = getenv ("MHSTORE"))) {
- if ((fp = fopen (cp, "r"))) {
- readconfig ((struct node **) 0, fp, cp, 0);
- fclose (fp);
+ fprintf(stderr, "storing message %s", ct->c_file);
+ if (ct->c_partno)
+ fprintf(stderr, " part %s", ct->c_partno);
+ }
+
+ /*
+ ** Unless we are in the "middle" of group of message/partials,
+ ** we now print the name of the file, folder, and/or message
+ ** to which we are storing the content.
+ */
+ if (!is_partial || last_partial) {
+ if (ct->c_folder) {
+ fprintf(stderr, " to folder %s as message %d\n",
+ ct->c_folder, msgnum);
+ } else if (strcmp(ct->c_storage, "-")==0) {
+ fprintf(stderr, " to stdout\n");
+ } else {
+ int cwdlen;
+
+ cwdlen = strlen(cwd);
+ fprintf(stderr, " as file %s\n",
+ strncmp(ct->c_storage, cwd,
+ cwdlen)!=0 ||
+ ct->c_storage[cwdlen] != '/' ?
+ ct->c_storage :
+ ct->c_storage + cwdlen + 1);
+ }
+ }
+
+ return OK;
+}
+
+
+/*
+** Output content to a file
+*/
+
+static int
+output_content_file(CT ct, int appending)
+{
+ int filterstate;
+ char *file, buffer[BUFSIZ];
+ long pos, last;
+ FILE *fp;
+
+ /*
+ ** If the pathname contains directories, make sure
+ ** all of them exist.
+ */
+ if (strchr(ct->c_storage, '/') && make_intermediates(ct->c_storage)
+ == NOTOK)
+ return NOTOK;
+
+ if (ct->c_encoding != CE_7BIT) {
+ int cc, fd;
+
+ if (!ct->c_ceopenfnx) {
+ advise(NULL, "don't know how to decode part %s of message %s", ct->c_partno, ct->c_file);
+ return NOTOK;
+ }
+
+ file = appending || strcmp(ct->c_storage, "-")==0 ?
+ NULL : ct->c_storage;
+ if ((fd = (*ct->c_ceopenfnx) (ct, &file)) == NOTOK)
+ return NOTOK;
+ if (strcmp(file, ct->c_storage)==0) {
+ (*ct->c_ceclosefnx) (ct);
+ return OK;
+ }
+
+ /*
+ ** Send to standard output
+ */
+ if (strcmp(ct->c_storage, "-")==0) {
+ int gd;
+
+ if ((gd = dup(fileno(stdout))) == NOTOK) {
+ advise("stdout", "unable to dup");
+losing:
+ (*ct->c_ceclosefnx) (ct);
+ return NOTOK;
+ }
+ if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
+ advise("stdout", "unable to fdopen (%d, \"%s\") from", gd, appending ? "a" : "w");
+ close(gd);
+ goto losing;
+ }
+ } else {
+ /*
+ ** Open output file
+ */
+ if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
+ == NULL) {
+ advise(ct->c_storage, "unable to fopen for %s",
+ appending ?
+ "appending" : "writing");
+ goto losing;
+ }
+ }
+
+ /*
+ ** Filter the header fields of the initial enclosing
+ ** message/partial into the file.
+ */
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ if (pm->pm_partno == 1)
+ copy_some_headers(fp, ct);
+ }
+
+ for (;;) {
+ switch (cc = read(fd, buffer, sizeof(buffer))) {
+ case NOTOK:
+ advise(file, "error reading content from");
+ break;
+
+ case OK:
+ break;
+
+ default:
+ fwrite(buffer, sizeof(*buffer), cc, fp);
+ continue;
+ }
+ break;
+ }
+
+ (*ct->c_ceclosefnx) (ct);
+
+ if (cc != NOTOK && fflush(fp))
+ advise(ct->c_storage, "error writing to");
+
+ fclose(fp);
+
+ return (cc != NOTOK ? OK : NOTOK);
+ }
+
+ if (!ct->c_fp && (ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
+ advise(ct->c_file, "unable to open for reading");
+ return NOTOK;
+ }
+
+ pos = ct->c_begin;
+ last = ct->c_end;
+ fseek(ct->c_fp, pos, SEEK_SET);
+
+ if (strcmp(ct->c_storage, "-")==0) {
+ int gd;
+
+ if ((gd = dup(fileno(stdout))) == NOTOK) {
+ advise("stdout", "unable to dup");
+ return NOTOK;
+ }
+ if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
+ advise("stdout", "unable to fdopen (%d, \"%s\") from",
+ gd, appending ? "a" : "w");
+ close(gd);
+ return NOTOK;
+ }
} else {
- admonish ("", "unable to read $MHSTORE profile (%s)", cp);
- }
- }
-
- /*
- * Read the standard profile setup
- */
- if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) {
- readconfig ((struct node **) 0, fp, cp, 0);
- fclose (fp);
- }
-
- /* Check for public cache location */
- if ((cache_public = context_find (nmhcache)) && *cache_public != '/')
- cache_public = NULL;
-
- /* Check for private cache location */
- if (!(cache_private = context_find (nmhprivcache)))
- cache_private = ".cache";
- cache_private = getcpy (m_maildir (cache_private));
-
- /*
- * Cache the current directory before we do any chdirs()'s.
- */
- cwd = getcpy (pwd());
-
- /*
- * Check for storage directory. If specified,
- * then store temporary files there. Else we
- * store them in standard nmh directory.
- */
- if ((cp = context_find (nmhstorage)) && *cp)
- tmp = concat (cp, "/", invo_name, NULL);
- else
- tmp = add (m_maildir (invo_name), NULL);
-
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
-
- if (file && nummsgs)
- adios (NULL, "cannot specify msg and file at same time!");
-
- /*
- * check if message is coming from file
- */
- if (file) {
- if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts))))
- adios (NULL, "out of memory");
- ctp = cts;
-
- if ((ct = parse_mime (file)));
- *ctp++ = ct;
- } else {
+ if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
+ == NULL) {
+ advise(ct->c_storage, "unable to fopen for %s",
+ appending ? "appending" : "writing");
+ return NOTOK;
+ }
+ }
+
/*
- * message(s) are coming from a folder
- */
- if (!nummsgs)
- msgs[nummsgs++] = "cur";
- if (!folder)
- folder = getfolder (1);
- maildir = m_maildir (folder);
-
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
-
- /* read folder and create message structure */
- if (!(mp = folder_read (folder)))
- adios (NULL, "unable to read folder %s", folder);
-
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in %s", folder);
-
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < nummsgs; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
- done (1);
- seq_setprev (mp); /* set the previous-sequence */
-
- if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts))))
- adios (NULL, "out of memory");
- ctp = cts;
-
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected(mp, msgnum)) {
- char *msgnam;
-
- msgnam = m_name (msgnum);
- if ((ct = parse_mime (msgnam)))
- *ctp++ = ct;
- }
- }
- }
-
- if (!*cts)
- done (1);
-
- userrs = 1;
- SIGNAL (SIGQUIT, quitser);
- SIGNAL (SIGPIPE, pipeser);
-
- /*
- * Get the associated umask for the relevant contents.
- */
- for (ctp = cts; *ctp; ctp++) {
- struct stat st;
-
- ct = *ctp;
- if (type_ok (ct, 1) && !ct->c_umask) {
- if (stat (ct->c_file, &st) != NOTOK)
- ct->c_umask = ~(st.st_mode & 0777);
- else
- ct->c_umask = ~m_gmprot();
- }
- }
-
- /*
- * Store the message content
- */
- store_all_messages (cts);
-
- /* Now free all the structures for the content */
- for (ctp = cts; *ctp; ctp++)
- free_content (*ctp);
-
- free ((char *) cts);
- cts = NULL;
-
- /* If reading from a folder, do some updating */
- if (mp) {
- context_replace (pfolder, folder);/* update current folder */
- seq_setcur (mp, mp->hghsel); /* update current message */
- seq_save (mp); /* synchronize sequences */
- context_save (); /* save the context file */
- }
-
- return done (0);
+ ** Copy a few of the header fields of the initial
+ ** enclosing message/partial into the file.
+ */
+ filterstate = 0;
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ if (pm->pm_partno == 1) {
+ copy_some_headers(fp, ct);
+ filterstate = 1;
+ }
+ }
+
+ while (fgets(buffer, sizeof(buffer) - 1, ct->c_fp)) {
+ if ((pos += strlen(buffer)) > last) {
+ int diff;
+
+ diff = strlen(buffer) - (pos - last);
+ if (diff >= 0)
+ buffer[diff] = '\0';
+ }
+ /*
+ ** If this is the first content of a group of
+ ** message/partial contents, then we only copy a few
+ ** of the header fields of the enclosed message.
+ */
+ if (filterstate) {
+ switch (buffer[0]) {
+ case ' ':
+ case '\t':
+ if (filterstate < 0)
+ buffer[0] = 0;
+ break;
+
+ case '\n':
+ filterstate = 0;
+ break;
+
+ default:
+ if (!uprf(buffer, XXX_FIELD_PRF) && !uprf(buffer, VRSN_FIELD) && !uprf(buffer, "Subject:") && !uprf(buffer, "Message-ID:")) {
+ filterstate = -1;
+ buffer[0] = 0;
+ break;
+ }
+ filterstate = 1;
+ break;
+ }
+ }
+ fputs(buffer, fp);
+ if (pos >= last)
+ break;
+ }
+
+ if (fflush(fp))
+ advise(ct->c_storage, "error writing to");
+
+ fclose(fp);
+ fclose(ct->c_fp);
+ ct->c_fp = NULL;
+ return OK;
}
-static RETSIGTYPE
-pipeser (int i)
+/*
+** Add a file to a folder.
+**
+** Return the new message number of the file
+** when added to the folder. Return -1, if
+** there is an error.
+*/
+
+static int
+output_content_folder(char *folder, char *filename)
{
- if (i == SIGQUIT) {
- unlink ("core");
- fflush (stdout);
- fprintf (stderr, "\n");
- fflush (stderr);
- }
-
- done (1);
- /* NOTREACHED */
+ int msgnum;
+ struct msgs *mp;
+
+ /* Read the folder. */
+ if ((mp = folder_read(folder))) {
+ /* Link file into folder */
+ msgnum = folder_addmsg(&mp, filename, 0, 0, 0, 0, NULL);
+ } else {
+ advise(NULL, "unable to read folder %s", folder);
+ return NOTOK;
+ }
+
+ /* free folder structure */
+ folder_free(mp);
+
+ /*
+ ** Return msgnum. We are relying on the fact that
+ ** msgnum will be -1, if folder_addmsg() had an error.
+ */
+ return msgnum;
}
-int
-done (int status)
+/*
+** Parse and expand the storage formatting string
+** pointed to by "cp" into "buffer".
+*/
+
+static int
+parse_format_string(CT ct, char *cp, char *buffer, int buflen, char *dir)
{
- CT *ctp;
+ int len;
+ char *bp;
+ CI ci = &ct->c_ctinfo;
+
+ /*
+ ** If storage string is "-", just copy it, and
+ ** return (send content to standard output).
+ */
+ if (cp[0] == '-' && cp[1] == '\0') {
+ strncpy(buffer, cp, buflen);
+ return 0;
+ }
+
+ bp = buffer;
+ bp[0] = '\0';
+
+ /*
+ ** If formatting string is a pathname that doesn't
+ ** begin with '/', then preface the path with the
+ ** appropriate directory.
+ */
+ if (*cp != '/' && *cp != '|' && *cp != '!') {
+ snprintf(bp, buflen, "%s/", dir[1] ? dir : "");
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+ }
+
+ for (; *cp; cp++) {
+
+ /* We are processing a storage escape */
+ if (*cp == '%') {
+ switch (*++cp) {
+ case 'a':
+ /*
+ ** Insert parameters from Content-Type.
+ ** This is only valid for '|' commands.
+ */
+ if (buffer[0] != '|' && buffer[0] != '!') {
+ *bp++ = *--cp;
+ *bp = '\0';
+ buflen--;
+ continue;
+ } else {
+ char **ap, **ep;
+ char *s = "";
+
+ for (ap=ci->ci_attrs, ep=ci->ci_values;
+ *ap; ap++, ep++) {
+ snprintf(bp, buflen,
+ "%s%s=\"%s\"",
+ s, *ap, *ep);
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+ s = " ";
+ }
+ }
+ break;
+
+ case 'm':
+ /* insert message number */
+ snprintf(bp, buflen, "%s",
+ mhbasename(ct->c_file));
+ break;
+
+ case 'P':
+ /* insert part number with leading dot */
+ if (ct->c_partno)
+ snprintf(bp, buflen, ".%s",
+ ct->c_partno);
+ break;
+
+ case 'p':
+ /* insert part number withouth leading dot */
+ if (ct->c_partno)
+ strncpy(bp, ct->c_partno, buflen);
+ break;
+
+ case 't':
+ /* insert content type */
+ strncpy(bp, ci->ci_type, buflen);
+ break;
+
+ case 's':
+ /* insert content subtype */
+ strncpy(bp, ci->ci_subtype, buflen);
+ break;
+
+ case '%':
+ /* insert the character % */
+ goto raw;
+
+ default:
+ *bp++ = *--cp;
+ *bp = '\0';
+ buflen--;
+ continue;
+ }
+
+ /* Advance bp and decrement buflen */
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+
+ } else {
+raw:
+ *bp++ = *cp;
+ *bp = '\0';
+ buflen--;
+ }
+ }
+
+ return 0;
+}
+
- if ((ctp = cts))
- for (; *ctp; ctp++)
- free_content (*ctp);
+/*
+** Copy some of the header fields of the initial message/partial
+** message into the header of the reassembled message.
+*/
+
+static int
+copy_some_headers(FILE *out, CT ct)
+{
+ HF hp;
+
+ hp = ct->c_first_hf; /* start at first header field */
+
+ while (hp) {
+ /*
+ ** A few of the header fields of the enclosing
+ ** messages are not copied.
+ */
+ if (!uprf(hp->name, XXX_FIELD_PRF) &&
+ mh_strcasecmp(hp->name, VRSN_FIELD) &&
+ mh_strcasecmp(hp->name, "Subject") &&
+ mh_strcasecmp(hp->name, "Message-ID"))
+ fprintf(out, "%s:%s", hp->name, hp->value);
+ hp = hp->next; /* next header field */
+ }
- exit (status);
- return 1; /* dead code to satisfy the compiler */
+ return OK;
}
projects / mmh / blobdiff