/* smtpclient.c -- Routines for sending a message via SMTP * * Copyright (c) 1998-2003 Carnegie Mellon University. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The name "Carnegie Mellon University" must not be used to * endorse or promote products derived from this software without * prior written permission. For permission or any other legal * details, please contact * Office of Technology Transfer * Carnegie Mellon University * 5000 Forbes Avenue * Pittsburgh, PA 15213-3890 * (412) 268-4387, fax: (412) 268-7395 * tech-transfer@andrew.cmu.edu * * 4. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by Computing Services * at Carnegie Mellon University (http://www.cmu.edu/computing/)." * * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ /* * $Id: smtpclient.c,v 1.2 2003/10/22 18:02:59 rjs3 Exp $ */ #include <config.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #include <stdio.h> #include <sys/types.h> #include <sys/wait.h> #include "global.h" #include "exitcodes.h" #include "imap_err.h" #include "smtpclient.h" extern void fatal(const char *buf, int code); pid_t open_sendmail(const char *argv[], FILE **sm) { int fds[2]; FILE *ret; pid_t p; pipe(fds); if ((p = fork()) == 0) { /* i'm the child! run sendmail! */ close(fds[1]); /* make the pipe be stdin */ dup2(fds[0], 0); execv(config_getstring(IMAPOPT_SENDMAIL), (char **) argv); /* if we're here we suck */ printf("451 lmtpd: didn't exec() sendmail?!?\r\n"); fatal("couldn't exec() sendmail", EC_OSERR); } if (p < 0) { /* failure */ *sm = NULL; return p; } /* parent */ close(fds[0]); ret = fdopen(fds[1], "w"); *sm = ret; return p; } /* sendmail_errstr. create a descriptive message given 'sm_stat': the exit code from wait() from sendmail. not thread safe, but probably ok */ char *sendmail_errstr(int sm_stat) { static char errstr[200]; if (WIFEXITED(sm_stat)) { snprintf(errstr, sizeof errstr, "Sendmail process terminated normally, exit status %d\n", WEXITSTATUS(sm_stat)); } else if (WIFSIGNALED(sm_stat)) { snprintf(errstr, sizeof errstr, "Sendmail process terminated abnormally, signal = %d %s\n", WTERMSIG(sm_stat), #ifdef WCOREDUMP WCOREDUMP(sm_stat) ? " -- core file generated" : #endif ""); } else if (WIFSTOPPED(sm_stat)) { snprintf(errstr, sizeof errstr, "Sendmail process stopped, signal = %d\n", WTERMSIG(sm_stat)); } else { return NULL; } return errstr; }