int vmailmgr_autoconvert(void)
{
int writefd = -1;
ibuf reader;
struct cdb_make writer;
int error = 0;
int readall = 0;
int writerr = 0;
if ((writefd = path_mktemp(pwfile, &tmppwfile)) != -1) {
if (cdb_make_start(&writer, writefd) != 0)
error = CVME_IO | CVME_FATAL;
else {
if (ibuf_open(&reader, pwfile, 0)) {
uint32 end;
struct stat st;
if (fstat(reader.io.fd, &st) == 0
&& fchmod(writefd, st.st_mode) == 0
&& fchown(writefd, st.st_uid, st.st_gid) == 0
&& read_start(&reader, &end)) {
while (ibuf_tell(&reader) < end) {
if (!read_cdb_pair(&reader, &key, &data))
break;
if (str_diff(&key, &virtuser) == 0)
if (!convert_data()) {
writerr = 1;
break;
}
if (cdb_make_add(&writer, key.s, key.len, data.s, data.len) != 0) {
writerr = 1;
break;
}
}
readall = ibuf_tell(&reader) == end;
}
ibuf_close(&reader);
}
if (cdb_make_finish(&writer) != 0)
error |= CVME_FATAL;
else
if (readall && !writerr)
rename(tmppwfile.s, pwfile);
}
close(writefd);
unlink(tmppwfile.s);
}
return error;
}
static void start_slot(int slot,
const char* command,
const char* envstart)
{
static str env;
char* period;
int fd;
char hostname[256];
const char* mailto;
const struct passwd* pw = &slots[slot].pw;
const char* shell;
msg5("(", pw->pw_name, ") CMD (", command, ")");
env.len = 0;
wrap_str(envstr_set(&env, "PATH", path, 1));
if (envstart)
wrap_str(envstr_from_string(&env, envstart, 1));
wrap_str(envstr_set(&env, "HOME", pw->pw_dir, 1));
wrap_str(envstr_set(&env, "USER", pw->pw_name, 1));
wrap_str(envstr_set(&env, "LOGNAME", pw->pw_name, 1));
if ((shell = envstr_get(&env, "SHELL")) == 0)
shell = "/bin/sh";
if ((mailto = envstr_get(&env, "MAILTO")) == 0)
mailto = pw->pw_name;
if (*mailto == 0) {
fd = devnull;
slots[slot].headerlen = 0;
}
else {
if ((fd = path_mktemp(tmpprefix, &tmp)) == -1) {
failsys_slot(slot, "ZCould not create temporary file");
return;
}
unlink(tmp.s);
cloexec_on(fd);
gethostname(hostname, sizeof hostname);
wrap_str(str_copyns(&tmp, 6, "To: <", mailto, ">\n",
"From: Cron Daemon <root@", hostname, ">\n"));
if ((period = strchr(hostname, '.')) != 0)
*period = 0;
wrap_str(str_catns(&tmp, 7, "Subject: Cron <", pw->pw_name,
"@", hostname, "> ", command, "\n\n"));
slots[slot].headerlen = tmp.len;
if (write(fd, tmp.s, tmp.len) != (long)tmp.len) {
close(fd);
fd = -1;
report_slot(slot, "ZCould not write message header");
return;
}
}
shell_argv[shell_argc+0] = shell;
shell_argv[shell_argc+1] = "-c";
shell_argv[shell_argc+2] = command;
debugf(DEBUG_EXEC, "{slot }d{ starting: }s", slot, command);
if (!forkexec_slot(slot, devnull, fd, shell_argv, &env)) {
if (fd != devnull)
close(fd);
fd = -1;
}
slots[slot].sending_email = 0;
slots[slot].tmpfd = fd;
}