/*
* Announce information about the file we are editing.
* Return a likely place to set dot.
*/
int
newfileinfo(int omsgCount)
{
struct message *mp;
int u, n, mdot, d, s;
char fname[PATHSIZE+1], zname[PATHSIZE+1], *ename;
for (mp = &message[omsgCount]; mp < &message[msgCount]; mp++)
if (mp->m_flag & MNEW)
break;
if (mp >= &message[msgCount])
for (mp = &message[omsgCount]; mp < &message[msgCount]; mp++)
if ((mp->m_flag & MREAD) == 0)
break;
if (mp < &message[msgCount])
mdot = mp - &message[0] + 1;
else
mdot = omsgCount + 1;
s = d = 0;
for (mp = &message[0], n = 0, u = 0; mp < &message[msgCount]; mp++) {
if (mp->m_flag & MNEW)
n++;
if ((mp->m_flag & MREAD) == 0)
u++;
if (mp->m_flag & MDELETED)
d++;
if (mp->m_flag & MSAVED)
s++;
}
ename = mailname;
if (getfold(fname, sizeof(fname) - 1) >= 0) {
strcat(fname, "/");
if (strncmp(fname, mailname, strlen(fname)) == 0) {
(void)snprintf(zname, sizeof(zname), "+%s",
mailname + strlen(fname));
ename = zname;
}
}
printf("\"%s\": ", ename);
if (msgCount == 1)
printf("1 message");
else
printf("%d messages", msgCount);
if (n > 0)
printf(" %d new", n);
if (u-n > 0)
printf(" %d unread", u);
if (d > 0)
printf(" %d deleted", d);
if (s > 0)
printf(" %d saved", s);
if (readonly)
printf(" [Read only]");
printf("\n");
return (mdot);
}
/*
* List the folders the user currently has.
*/
int
folders(void)
{
char dirname[PATHSIZE];
char *cmd;
if (getfold(dirname, sizeof(dirname)) < 0) {
printf("No value set for \"folder\"\n");
return (1);
}
if ((cmd = value("LISTER")) == NULL)
cmd = "ls";
(void)run_command(cmd, 0, -1, -1, dirname, NULL, NULL);
return (0);
}
char *
expand(char *name)
{
char xname[BUFSIZ];
char foldbuf[BUFSIZ];
register char *cp;
register int l;
wordexp_t wrdexp_buf;
if (debug) fprintf(stderr, "expand(%s)=", name);
cp = strchr(name, '\0') - 1; /* pointer to last char of name */
if (isspace(*cp)) {
/* strip off trailing blanks */
while (cp > name && isspace(*cp))
cp--;
l = *++cp; /* save char */
*cp = '\0';
name = savestr(name);
*cp = (char)l; /* restore char */
}
if (name[0] == '+' && getfold(foldbuf) >= 0) {
snprintf(xname, sizeof (xname), "%s/%s", foldbuf, name + 1);
cp = safeexpand(savestr(xname));
if (debug) fprintf(stderr, "%s\n", cp);
return (cp);
}
if (!anyof(name, "~{[*?$`'\"\\")) {
if (debug) fprintf(stderr, "%s\n", name);
return (name);
}
if (wordexp(name, &wrdexp_buf, WRDE_NOCMD) != 0) {
fprintf(stderr, gettext("Syntax error in \"%s\"\n"), name);
fflush(stderr);
return (NOSTR);
}
if (wrdexp_buf.we_wordc > 1) {
fprintf(stderr, gettext("\"%s\": Ambiguous\n"), name);
fflush(stderr);
return (NOSTR);
}
if (debug) fprintf(stderr, "%s\n", wrdexp_buf.we_wordv[0]);
return (savestr(wrdexp_buf.we_wordv[0]));
}
/*
* List the folders the user currently has.
*/
int
folders(void *v)
{
char **argv = v;
char dirname[PATHSIZE];
char *cmd, *name;
if (*argv)
name = expand(*argv);
else if (getfold(dirname, sizeof dirname) < 0) {
printf(catgets(catd, CATSET, 20,
"No value set for \"folder\"\n"));
return 1;
} else
name = dirname;
if (which_protocol(name) == PROTO_IMAP)
imap_folders(name, *argv == NULL);
else {
if ((cmd = value("LISTER")) == NULL)
cmd = "ls";
run_command(cmd, 0, -1, -1, name, NULL, NULL);
}
return 0;
}
/*
* Evaluate the string given as a new mailbox name.
* Supported meta characters:
* % for my system mail box
* %user for user's system mail box
* # for previous file
* & invoker's mbox file
* +file file in folder directory
* any shell meta character
* Return the file name as a dynamic string.
*/
char *
expand(char *name)
{
char xname[PATHSIZE];
char cmdbuf[PATHSIZE]; /* also used for file names */
int pid, l;
char *cp, *sh;
int pivec[2];
struct stat sbuf;
/*
* The order of evaluation is "%" and "#" expand into constants.
* "&" can expand into "+". "+" can expand into shell meta characters.
* Shell meta characters expand into constants.
* This way, we make no recursive expansion.
*/
switch (*name) {
case '%':
findmail(name[1] ? name + 1 : myname, xname, sizeof(xname));
return (savestr(xname));
case '#':
if (name[1] != 0)
break;
if (prevfile[0] == 0) {
printf("No previous file\n");
return (NULL);
}
return (savestr(prevfile));
case '&':
if (name[1] == 0 && (name = value("MBOX")) == NULL)
name = "~/mbox";
/* fall through */
}
if (name[0] == '+' && getfold(cmdbuf, sizeof(cmdbuf)) >= 0) {
(void)snprintf(xname, sizeof(xname), "%s/%s", cmdbuf, name + 1);
name = savestr(xname);
}
/* catch the most common shell meta character */
if (name[0] == '~' && homedir != NULL &&
(name[1] == '/' || name[1] == '\0')) {
(void)snprintf(xname, sizeof(xname), "%s%s", homedir, name + 1);
name = savestr(xname);
}
if (!strpbrk(name, "~{[*?$`'\"\\"))
return (name);
if (pipe(pivec) < 0) {
warn("pipe");
return (name);
}
(void)snprintf(cmdbuf, sizeof(cmdbuf), "echo %s", name);
if ((sh = value("SHELL")) == NULL)
sh = _PATH_CSHELL;
pid = start_command(sh, 0, -1, pivec[1], "-c", cmdbuf, NULL);
if (pid < 0) {
(void)close(pivec[0]);
(void)close(pivec[1]);
return (NULL);
}
(void)close(pivec[1]);
l = read(pivec[0], xname, BUFSIZ);
(void)close(pivec[0]);
if (wait_child(pid) < 0 && WIFSIGNALED(wait_status) &&
WTERMSIG(wait_status) != SIGPIPE) {
fprintf(stderr, "\"%s\": Expansion failed.\n", name);
return (NULL);
}
if (l < 0) {
warn("read");
return (NULL);
}
if (l == 0) {
fprintf(stderr, "\"%s\": No match.\n", name);
return (NULL);
}
if (l == BUFSIZ) {
fprintf(stderr, "\"%s\": Expansion buffer overflow.\n", name);
return (NULL);
}
xname[l] = '\0';
for (cp = &xname[l-1]; *cp == '\n' && cp > xname; cp--)
;
cp[1] = '\0';
if (strchr(xname, ' ') && stat(xname, &sbuf) < 0) {
fprintf(stderr, "\"%s\": Ambiguous.\n", name);
return (NULL);
}
return (savestr(xname));
}
/*
* Evaluate the string given as a new mailbox name.
* Supported meta characters:
* % for my system mail box
* %user for user's system mail box
* # for previous file
* & invoker's mbox file
* +file file in folder directory
* any shell meta character
* Return the file name as a dynamic string.
*/
PUBLIC const char *
expand(const char *name)
{
char xname[PATHSIZE];
char cmdbuf[PATHSIZE];
int e;
wordexp_t we;
sigset_t nset, oset;
/*
* The order of evaluation is "%" and "#" expand into constants.
* "&" can expand into "+". "+" can expand into shell meta characters.
* Shell meta characters expand into constants.
* This way, we make no recursive expansion.
*/
switch (*name) {
case '%':
findmail(name[1] ? name + 1 : myname, xname, sizeof(xname));
return savestr(xname);
case '#':
if (name[1] != 0)
break;
if (prevfile[0] == 0) {
warnx("No previous file");
return NULL;
}
return savestr(prevfile);
case '&':
if (name[1] == 0 && (name = value(ENAME_MBOX)) == NULL)
name = "~/mbox";
/* fall through */
}
if (name[0] == '+' && getfold(cmdbuf, sizeof(cmdbuf)) >= 0) {
(void)snprintf(xname, sizeof(xname), "%s/%s", cmdbuf, name + 1);
name = savestr(xname);
}
/* catch the most common shell meta character */
if (name[0] == '~' && (name[1] == '/' || name[1] == '\0')) {
(void)snprintf(xname, sizeof(xname), "%s%s", homedir, name + 1);
name = savestr(xname);
}
if (strpbrk(name, "~{[*?$`'\"\\") == NULL)
return name;
*xname = '\0';
sigemptyset(&nset);
sigaddset(&nset, SIGCHLD);
sigprocmask(SIG_BLOCK, &nset, &oset);
e = wordexp(name, &we, WRDE_NOCMD);
sigprocmask(SIG_SETMASK, &oset, NULL);
switch (e) {
case 0: /* OK */
break;
case WRDE_NOSPACE:
warnx("Out of memory expanding `%s'", name);
return NULL;
case WRDE_BADVAL:
case WRDE_BADCHAR:
case WRDE_SYNTAX:
warnx("Syntax error expanding `%s'", name);
return NULL;
case WRDE_CMDSUB:
warnx("Command substitution not allowed expanding `%s'",
name);
return NULL;
default:
warnx("Unknown expansion error %d expanding `%s'", e, name);
return NULL;
}
switch (we.we_wordc) {
case 0:
warnx("No match for `%s'", name);
break;
case 1:
if (strlen(we.we_wordv[0]) >= PATHSIZE)
warnx("Expansion too long for `%s'", name);
strlcpy(xname, we.we_wordv[0], PATHSIZE);
break;
default:
warnx("Ambiguous expansion for `%s'", name);
break;
}
wordfree(&we);
if (!*xname)
return NULL;
else
return savestr(xname);
}
