* whatnowsbr.c -- the WhatNow shell
*
* $Id$
+ *
+ * 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.
+ *
+ * Several options have been added to ease the inclusion of attachments
+ * using the header field name mechanism added to anno and send. The
+ * -attach option is used to specify the header field name for attachments.
+ *
+ * Several commands have been added at the whatnow prompt:
+ *
+ * cd [ directory ] This option works just like the shell's
+ * cd command and lets the user change the
+ * directory from which attachments are
+ * taken so that long path names are not
+ * needed with every file.
+ *
+ * ls [ ls-options ] This option works just like the normal
+ * ls command and exists to allow the user
+ * to verify file names in the directory.
+ *
+ * pwd This option works just like the normal
+ * pwd command and exists to allow the user
+ * to verify the directory.
+ *
+ * attach files This option attaches the named files to
+ * the draft.
+ *
+ * alist [-ln] This option lists the attachments on the
+ * draft. -l gets long listings, -n gets
+ * numbered listings.
+ *
+ * detach files This option removes attachments from the
+ * detach -n numbers draft. This can be done by file name or
+ * by attachment number.
*/
#include <h/mh.h>
#include <fcntl.h>
#include <signal.h>
#include <h/mime.h>
+#include <h/utils.h>
static struct swit whatnowswitches[] = {
#define DFOLDSW 0
{ "version", 0 },
#define HELPSW 7
{ "help", 0 },
+#define ATTACHSW 8
+ { "attach header-field-name", 0 },
{ NULL, 0 }
};
{ "quit [-delete]", 0 },
#define DELETESW 9
{ "delete", 0 },
+#define CDCMDSW 10
+ { "cd [directory]", 0 },
+#define PWDCMDSW 11
+ { "pwd", 0 },
+#define LSCMDSW 12
+ { "ls", 0 },
+#define ATTACHCMDSW 13
+ { "attach", 0 },
+#define DETACHCMDSW 14
+ { "detach [-n]", 2 },
+#define ALISTCMDSW 15
+ { "alist [-ln] ", 2 },
{ NULL, 0 }
};
static int check_draft (char *);
static int whomfile (char **, char *);
static int removefile (char *);
+static void writelscmd(char *, int, char **);
+static void writesomecmd(char *buf, int bufsz, char *cmd, char *trailcmd, char **argp);
+static FILE* popen_in_dir(const char *dir, const char *cmd, const char *type);
+static int system_in_dir(const char *dir, const char *cmd);
+
#ifdef HAVE_LSTAT
static int copyf (char *, char *);
char buf[BUFSIZ], prompt[BUFSIZ];
char **argp, **arguments;
struct stat st;
+ char *attach = (char *)0; /* attachment header field name */
+ char cwd[MAXPATHLEN + 1]; /* current working directory */
+ char file[MAXPATHLEN + 1]; /* file name buffer */
+ char shell[MAXPATHLEN + 1]; /* shell response buffer */
+ FILE *f; /* read pointer for bgnd proc */
+ char *l; /* set on -l to alist command */
+ int n; /* set on -n to alist command */
invo_name = r1bindex (argv[0], '/');
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
+ /*
+ * Get the initial current working directory.
+ */
+
+ if (getcwd(cwd, sizeof (cwd)) == (char *)0) {
+ adios("getcwd", "could not get working directory");
+ }
+
while ((cp = *argp++)) {
if (*cp == '-') {
switch (smatch (++cp, whatnowswitches)) {
- case AMBIGSW:
+ case AMBIGSW:
ambigsw (cp, whatnowswitches);
done (1);
- case UNKWNSW:
+ case UNKWNSW:
adios (NULL, "-%s unknown", cp);
- case HELPSW:
+ case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches] [file]", invo_name);
print_help (buf, whatnowswitches, 1);
done (1);
print_version(invo_name);
done (1);
- case DFOLDSW:
+ case DFOLDSW:
if (dfolder)
adios (NULL, "only one draft folder at a time!");
if (!(cp = *argp++) || *cp == '-')
dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
*cp != '@' ? TFOLDER : TSUBCWF);
continue;
- case DMSGSW:
+ case DMSGSW:
if (dmsg)
adios (NULL, "only one draft message at a time!");
if (!(dmsg = *argp++) || *dmsg == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
- case NDFLDSW:
+ case NDFLDSW:
dfolder = NULL;
isdf = NOTOK;
continue;
- case EDITRSW:
+ case EDITRSW:
if (!(ed = *argp++) || *ed == '-')
adios (NULL, "missing argument to %s", argp[-2]);
nedit = 0;
continue;
- case NEDITSW:
+ case NEDITSW:
nedit++;
continue;
if (!(myprompt = *argp++) || *myprompt == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
+
+ case ATTACHSW:
+ if (attach != (char *)0)
+ adios(NULL, "only one attachment header field name at a time!");
+ if (!(attach = *argp++) || *attach == '-')
+ adios (NULL, "missing argument to %s", argp[-2]);
+ continue;
}
}
if (drft)
done (1);
break;
- case LISTSW:
+ case LISTSW:
/* display the draft file */
showfile (++argp, drft);
break;
done (1);
break;
- case SENDSW:
+ case SENDSW:
/* Send draft */
sendfile (++argp, drft, 0);
break;
- case REFILEOPT:
+ case REFILEOPT:
/* Refile the draft */
if (refile (++argp, drft) == 0)
done (0);
break;
- default:
+ case CDCMDSW:
+ /* Change the working directory for attachments
+ *
+ * Run the directory through the user's shell so that
+ * we can take advantage of any syntax that the user
+ * is accustomed to. Read back the absolute path.
+ */
+
+ if (*(argp+1) == (char *)0) {
+ (void)sprintf(buf, "$SHELL -c \"cd;pwd\"");
+ }
+ else {
+ writesomecmd(buf, BUFSIZ, "cd", "pwd", argp);
+ }
+ if ((f = popen_in_dir(cwd, buf, "r")) != (FILE *)0) {
+ fgets(cwd, sizeof (cwd), f);
+
+ if (strchr(cwd, '\n') != (char *)0)
+ *strchr(cwd, '\n') = '\0';
+
+ pclose(f);
+ }
+ else {
+ advise("popen", "could not get directory");
+ }
+
+ break;
+
+ case PWDCMDSW:
+ /* Print the working directory for attachments */
+ printf("%s\n", cwd);
+ break;
+
+ case LSCMDSW:
+ /* List files in the current attachment working directory
+ *
+ * Use the user's shell so that we can take advantage of any
+ * syntax that the user is accustomed to.
+ */
+ writelscmd(buf, sizeof(buf), argp);
+ (void)system_in_dir(cwd, buf);
+ break;
+
+ case ALISTCMDSW:
+ /*
+ * List attachments on current draft. Options are:
+ *
+ * -l long listing (full path names)
+ * -n numbers listing
+ */
+
+ if (attach == (char *)0) {
+ advise((char *)0, "can't list because no header field name was given.");
+ break;
+ }
+
+ l = (char *)0;
+ n = 0;
+
+ while (*++argp != (char *)0) {
+ if (strcmp(*argp, "-l") == 0)
+ l = "/";
+
+ else if (strcmp(*argp, "-n") == 0)
+ n = 1;
+
+ else if (strcmp(*argp, "-ln") == 0 || strcmp(*argp, "-nl") == 0) {
+ l = "/";
+ n = 1;
+ }
+
+ else {
+ n = -1;
+ break;
+ }
+ }
+
+ if (n == -1)
+ advise((char *)0, "usage is alist [-ln].");
+
+ else
+ annolist(drft, attach, l, n);
+
+ break;
+
+ case ATTACHCMDSW:
+ /*
+ * Attach files to current draft.
+ */
+
+ if (attach == (char *)0) {
+ advise((char *)0, "can't attach because no header field name was given.");
+ break;
+ }
+
+ /*
+ * Build a command line that causes the user's shell to list the file name
+ * arguments. This handles and wildcard expansion, tilde expansion, etc.
+ */
+ writelscmd(buf, sizeof(buf), argp);
+
+ /*
+ * Read back the response from the shell, which contains a number of lines
+ * with one file name per line. Remove off the newline. Determine whether
+ * we have an absolute or relative path name. Prepend the current working
+ * directory to relative path names. Add the attachment annotation to the
+ * draft.
+ */
+
+ if ((f = popen_in_dir(cwd, buf, "r")) != (FILE *)0) {
+ while (fgets(shell, sizeof (shell), f) != (char *)0) {
+ *(strchr(shell, '\n')) = '\0';
+
+ if (*shell == '/')
+ (void)annotate(drft, attach, shell, 1, 0, -2, 1);
+ else {
+ (void)sprintf(file, "%s/%s", cwd, shell);
+ (void)annotate(drft, attach, file, 1, 0, -2, 1);
+ }
+ }
+
+ pclose(f);
+ }
+ else {
+ advise("popen", "could not get file from shell");
+ }
+
+ break;
+
+ case DETACHCMDSW:
+ /*
+ * Detach files from current draft.
+ */
+
+ if (attach == (char *)0) {
+ advise((char *)0, "can't detach because no header field name was given.");
+ break;
+ }
+
+ /*
+ * Scan the arguments for a -n. Mixed file names and numbers aren't allowed,
+ * so this catches a -n anywhere in the argument list.
+ */
+
+ for (n = 0, arguments = argp + 1; *arguments != (char *)0; arguments++) {
+ if (strcmp(*arguments, "-n") == 0) {
+ n = 1;
+ break;
+ }
+ }
+
+ /*
+ * A -n was found so interpret the arguments as attachment numbers.
+ * Decrement any remaining argument number that is greater than the one
+ * just processed after processing each one so that the numbering stays
+ * correct.
+ */
+
+ if (n == 1) {
+ for (arguments = argp + 1; *arguments != (char *)0; arguments++) {
+ if (strcmp(*arguments, "-n") == 0)
+ continue;
+
+ if (**arguments != '\0') {
+ n = atoi(*arguments);
+ (void)annotate(drft, attach, (char *)0, 1, 0, n, 1);
+
+ for (argp = arguments + 1; *argp != (char *)0; argp++) {
+ if (atoi(*argp) > n) {
+ if (atoi(*argp) == 1)
+ *argp = "";
+ else
+ (void)sprintf(*argp, "%d", atoi(*argp) - 1);
+ }
+ }
+ }
+ }
+ }
+
+ /*
+ * The arguments are interpreted as file names. Run them through the
+ * user's shell for wildcard expansion and other goodies. Do this from
+ * the current working directory if the argument is not an absolute path
+ * name (does not begin with a /).
+ *
+ * We feed all the file names to the shell at once, otherwise you can't
+ * provide a file name with a space in it.
+ */
+ writelscmd(buf, sizeof(buf), argp);
+ if ((f = popen_in_dir(cwd, buf, "r")) != (FILE *)0) {
+ while (fgets(shell, sizeof (shell), f) != (char *)0) {
+ *(strchr(shell, '\n')) = '\0';
+ (void)annotate(drft, attach, shell, 1, 0, 0, 1);
+ }
+ pclose(f);
+ } else {
+ advise("popen", "could not get file from shell");
+ }
+
+ break;
+
+ default:
/* Unknown command */
advise (NULL, "say what?");
break;
/*NOTREACHED*/
}
+
+
+/* Build a command line of the form $SHELL -c "cd 'cwd'; cmd argp ... ; trailcmd". */
+static void
+writesomecmd(char *buf, int bufsz, char *cmd, char *trailcmd, char **argp)
+{
+ char *cp;
+ /* Note that we do not quote -- the argp from the user
+ * is assumed to be quoted as they desire. (We can't treat
+ * it as pure literal as that would prevent them using ~,
+ * wildcards, etc.) The buffer produced by this function
+ * should be given to popen_in_dir() or system_in_dir() so
+ * that the current working directory is set correctly.
+ */
+ int ln = snprintf(buf, bufsz, "$SHELL -c \"%s", cmd);
+ /* NB that some snprintf() return -1 on overflow rather than the
+ * new C99 mandated 'number of chars that would have been written'
+ */
+ /* length checks here and inside the loop allow for the
+ * trailing ';', trailcmd, '"' and NUL
+ */
+ int trailln = strlen(trailcmd) + 3;
+ if (ln < 0 || ln + trailln > bufsz)
+ adios((char *)0, "arguments too long");
+
+ cp = buf + ln;
+
+ while (*++argp != (char *)0) {
+ ln = strlen(*argp);
+ /* +1 for leading space */
+ if (ln + trailln + 1 > bufsz - (cp-buf))
+ adios((char *)0, "arguments too long");
+ *cp++ = ' ';
+ memcpy(cp, *argp, ln+1);
+ cp += ln;
+ }
+ if (*trailcmd) {
+ *cp++ = ';';
+ strcpy(cp, trailcmd);
+ cp += trailln - 3;
+ }
+ *cp++ = '"';
+ *cp = 0;
+}
+
+/*
+ * Build a command line that causes the user's shell to list the file name
+ * arguments. This handles and wildcard expansion, tilde expansion, etc.
+ */
+static void
+writelscmd(char *buf, int bufsz, char **argp)
+{
+ writesomecmd(buf, bufsz, "ls", "", argp);
+}
+
+/* Like system(), but run the command in directory dir.
+ * This assumes the program is single-threaded!
+ */
+static int
+system_in_dir(const char *dir, const char *cmd)
+{
+ char olddir[BUFSIZ];
+ int r;
+ if (getcwd(olddir, sizeof(olddir)) == 0)
+ adios("getcwd", "could not get working directory");
+ if (chdir(dir) != 0)
+ adios("chdir", "could not change working directory");
+ r = system(cmd);
+ if (chdir(olddir) != 0)
+ adios("chdir", "could not change working directory");
+ return r;
+}
+
+/* ditto for popen() */
+static FILE*
+popen_in_dir(const char *dir, const char *cmd, const char *type)
+{
+ char olddir[BUFSIZ];
+ FILE *f;
+ if (getcwd(olddir, sizeof(olddir)) == 0)
+ adios("getcwd", "could not get working directory");
+ if (chdir(dir) != 0)
+ adios("chdir", "could not change working directory");
+ f = popen(cmd, type);
+ if (chdir(olddir) != 0)
+ adios("chdir", "could not change working directory");
+ return f;
+}
+
+
/*
* EDIT
*/
fflush (stdout);
switch (pid = vfork ()) {
- case NOTOK:
+ case NOTOK:
advise ("fork", "unable to");
status = NOTOK;
break;
- case OK:
+ case OK:
if (cwd)
chdir (cwd);
if (altmsg) {
perror (*ed);
_exit (-1);
- default:
+ default:
if ((status = pidwait (pid, NOTOK))) {
#ifdef ATTVIBUG
if ((cp = r1bindex (*ed, '/'))
for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++)
sleep (5);
switch (child_id) {
- case NOTOK:
+ case NOTOK:
advise (NULL, "unable to fork, so sending directly...");
- case OK:
+ case OK:
vecp = 0;
vec[vecp++] = invo_name;
if (pushsw)
perror (sendproc);
_exit (-1);
- default:
+ default:
if (pidwait(child_id, OK) == 0)
done (0);
return 1;
while (argp[i])
i++;
}
- if ((args = (char **) malloc((i + 2) * sizeof(char *))) == NULL)
- adios (NULL, "unable to malloc memory");
+ args = (char **) mh_xmalloc((i + 2) * sizeof(char *));
/*
* For backward compatibility, we need to add -build
}
+#ifndef CYRUS_SASL
+# define SASLminc(a) (a)
+#else /* CYRUS_SASL */
+# define SASLminc(a) 0
+#endif /* CYRUS_SASL */
+
static struct swit sendswitches[] = {
#define ALIASW 0
{ "alias aliasfile", 0 },
#define CLIESW 30
{ "client host", -6 },
#define SERVSW 31
- { "server host", -6 },
+ { "server host", 6 },
#define SNOOPSW 32
{ "snoop", -5 },
#define SDRFSW 33
{ "draftmessage msg", -6 },
#define SNDRFSW 35
{ "nodraftfolder", -3 },
+#define SASLSW 36
+ { "sasl", SASLminc(-4) },
+#define SASLMECHSW 37
+ { "saslmech", SASLminc(-5) },
+#define USERSW 38
+ { "user", SASLminc(4) },
+#define SNDATTACHSW 39
+ { "attach file", 6 },
+#define SNDATTACHFORMAT 40
+ { "attachformat", 7 },
+#define PORTSW 41
+ { "port server-port-name/number", 4 },
{ NULL, 0 }
};
char *cp, buf[BUFSIZ], **argp;
char **arguments, *vec[MAXARGS];
struct stat st;
+ char *attach = (char *)0; /* attachment header field name */
+ int attachformat = 0; /* mhbuild format specifier for
+ attachments */
#ifndef lint
int distsw = 0;
while ((cp = *argp++)) {
if (*cp == '-') {
switch (smatch (++cp, sendswitches)) {
- case AMBIGSW:
+ case AMBIGSW:
ambigsw (cp, sendswitches);
return;
- case UNKWNSW:
+ case UNKWNSW:
advise (NULL, "-%s unknown\n", cp);
return;
- case SHELPSW:
+ case SHELPSW:
snprintf (buf, sizeof(buf), "%s [switches]", sp);
print_help (buf, sendswitches, 1);
return;
print_version (invo_name);
return;
- case SPSHSW:
+ case SPSHSW:
pushed++;
continue;
- case NSPSHSW:
+ case NSPSHSW:
pushed = 0;
continue;
- case SPLITSW:
+ case SPLITSW:
if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1) {
advise (NULL, "missing argument to %s", argp[-2]);
return;
}
continue;
- case UNIQSW:
+ case UNIQSW:
unique++;
continue;
- case NUNIQSW:
+ case NUNIQSW:
unique = 0;
continue;
- case FORWSW:
+ case FORWSW:
forwsw++;
continue;
- case NFORWSW:
+ case NFORWSW:
forwsw = 0;
continue;
- case VERBSW:
+ case VERBSW:
verbsw++;
vec[vecp++] = --cp;
continue;
vec[vecp++] = --cp;
continue;
- case DEBUGSW:
+ case DEBUGSW:
debugsw++; /* fall */
- case NFILTSW:
- case FRMTSW:
- case NFRMTSW:
+ case NFILTSW:
+ case FRMTSW:
+ case NFRMTSW:
case BITSTUFFSW:
case NBITSTUFFSW:
- case MIMESW:
- case NMIMESW:
- case MSGDSW:
- case NMSGDSW:
- case WATCSW:
- case NWATCSW:
- case MAILSW:
- case SAMLSW:
- case SSNDSW:
- case SOMLSW:
- case SNOOPSW:
+ case MIMESW:
+ case NMIMESW:
+ case MSGDSW:
+ case NMSGDSW:
+ case WATCSW:
+ case NWATCSW:
+ case MAILSW:
+ case SAMLSW:
+ case SSNDSW:
+ case SOMLSW:
+ case SNOOPSW:
+ case SASLSW:
vec[vecp++] = --cp;
continue;
- case ALIASW:
- case FILTSW:
- case WIDTHSW:
- case CLIESW:
- case SERVSW:
+ case ALIASW:
+ case FILTSW:
+ case WIDTHSW:
+ case CLIESW:
+ case SERVSW:
+ case SASLMECHSW:
+ case USERSW:
+ case PORTSW:
vec[vecp++] = --cp;
if (!(cp = *argp++) || *cp == '-') {
advise (NULL, "missing argument to %s", argp[-2]);
vec[vecp++] = cp;
continue;
- case SDRFSW:
- case SDRMSW:
+ case SDRFSW:
+ case SDRMSW:
if (!(cp = *argp++) || *cp == '-') {
advise (NULL, "missing argument to %s", argp[-2]);
return;
}
- case SNDRFSW:
+ case SNDRFSW:
+ continue;
+
+ case SNDATTACHSW:
+ if (!(attach = *argp++) || *attach == '-') {
+ advise (NULL, "missing argument to %s", argp[-2]);
+ return;
+ }
+ continue;
+
+ case SNDATTACHFORMAT:
+ if (! *argp || **argp == '-')
+ adios (NULL, "missing argument to %s", argp[-1]);
+ else {
+ attachformat = atoi (*argp);
+ if (attachformat < 0 ||
+ attachformat > ATTACHFORMATS - 1) {
+ advise (NULL, "unsupported attachformat %d",
+ attachformat);
+ continue;
+ }
+ }
+ ++argp;
continue;
}
}
vec[0] = r1bindex (postproc, '/');
closefds (3);
- if (sendsbr (vec, vecp, file, &st, 1) == OK)
+ if (sendsbr (vec, vecp, file, &st, 1, attach, attachformat) == OK)
done (0);
}
fflush (stdout);
switch (pid = vfork ()) {
- case NOTOK:
+ case NOTOK:
advise ("fork", "unable to");
return 1;
- case OK:
+ case OK:
vecp = 0;
vec[vecp++] = r1bindex (whomproc, '/');
vec[vecp++] = file;
perror (whomproc);
_exit (-1); /* NOTREACHED */
- default:
+ default:
return (pidwait (pid, NOTOK) & 0377 ? 1 : 0);
}
}
projects / mmh / blobdiff