diff options
| -rw-r--r-- | clients/zmailnotify/zmailnotify.c | 359 |
1 files changed, 174 insertions, 185 deletions
diff --git a/clients/zmailnotify/zmailnotify.c b/clients/zmailnotify/zmailnotify.c index 98725f6..beb4f4e 100644 --- a/clients/zmailnotify/zmailnotify.c +++ b/clients/zmailnotify/zmailnotify.c @@ -3,21 +3,19 @@ * * Created by: Robert French * - * $Source$ - * $Author$ + * $Id$ * - * Copyright (c) 1987,1988 by the Massachusetts Institute of Technology. + * Copyright (c) 1987,1993 by the Massachusetts Institute of Technology. * For copying and distribution information, see the file * "mit-copyright.h". */ #include <zephyr/mit-copyright.h> - #include <zephyr/zephyr.h> #ifndef lint -static char rcsid_zwmnotify_c[] = - "$Header$"; +static char rcsid_zmailnotify_c[] = + "$Id$"; #endif #include <sys/uio.h> @@ -25,7 +23,6 @@ static char rcsid_zwmnotify_c[] = #include <sys/file.h> #include <fcntl.h> #include <pwd.h> -#include <stdio.h> #include <errno.h> #include <netdb.h> #include <hesiod.h> @@ -64,214 +61,206 @@ char *prog = "zmailnotify"; main(argc, argv) char *argv[]; { - FILE *lock; - int nmsgs; - char *user,response[512],lockfile[100]; - char *host,*dir; - char *auth_cmd; - int i,nbytes,retval,uselock; - struct passwd *pwd; - struct _mail mymail; -#ifdef HESIOD - struct hes_postoffice *p; + FILE *lock; + int nmsgs; + char *user,response[512],lockfile[100]; + char *host,*dir; + char *auth_cmd; + int i,nbytes,retval,uselock; + struct passwd *pwd; + struct _mail mymail; +#ifdef Z_HaveHesiod + struct hes_postoffice *p; #endif - if (argv[0] && *argv[0]) - prog = argv[0]; + if (argv[0] && *argv[0]) + prog = argv[0]; - if ((retval = ZInitialize()) != ZERR_NONE) { - com_err(prog,retval,"while initializing"); - exit(1); - } + if ((retval = ZInitialize()) != ZERR_NONE) { + com_err(prog,retval,"while initializing"); + exit(1); + } - dir = (char *)getenv("HOME"); - user = (char *)getenv("USER"); - if (!user || !dir) { - pwd = (struct passwd *)getpwuid((int) getuid()); - if (!pwd) { - fprintf(stderr,"%s: Can't figure out who you are!\n", - prog); - exit(1); - } - if (!user) - user = pwd->pw_name; - if (!dir) - dir = pwd->pw_dir; + dir = (char *)getenv("HOME"); + user = (char *)getenv("USER"); + if (!user || !dir) { + pwd = (struct passwd *)getpwuid((int) getuid()); + if (!pwd) { + fprintf(stderr,"%s: Can't figure out who you are!\n", + prog); + exit(1); } + if (!user) + user = pwd->pw_name; + if (!dir) + dir = pwd->pw_dir; + } - (void) sprintf(lockfile,"%s/.maillock",dir); + (void) sprintf(lockfile,"%s/.maillock",dir); - host = (char *)getenv("MAILHOST"); -#ifdef HESIOD - if (host == NULL) { - p = hes_getmailhost(user); - if (p != NULL && strcmp(p->po_type, "POP") == 0) - host = p->po_host; - else { - fprintf(stderr, - "%s: no POP server listed in Hesiod for %s\n", - prog, user); - exit(1); - } - } + host = (char *)getenv("MAILHOST"); +#ifdef Z_HaveHesiod + if (host == NULL) { + p = hes_getmailhost(user); + if (p != NULL && strcmp(p->po_type, "POP") == 0) + host = p->po_host; + else { + fprintf(stderr, + "%s: no POP server listed in Hesiod for %s\n", + prog, user); + exit(1); + } + } #endif - if (host == NULL) { - fprintf(stderr,"%s: no MAILHOST defined\n", prog); - exit(1); - } + if (host == NULL) { + fprintf(stderr,"%s: no MAILHOST defined\n", prog); + exit(1); + } - lock = fopen(lockfile,"w"); + lock = fopen(lockfile,"w"); #ifdef POSIX - if (lock) { - struct flock fl; - - /* lock the whole file exclusively */ - fl.l_type = F_WRLCK; - fl.l_whence = SEEK_SET; - fl.l_start = 0; - fl.l_len = 0; - (void) fcntl(fileno(lock),F_SETLKW,&fl); - } + if (lock) { + struct flock fl; + + /* lock the whole file exclusively */ + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + fl.l_start = 0; + fl.l_len = 0; + (void) fcntl(fileno(lock),F_SETLKW,&fl); + } #else -#ifndef NO_FLOCK - if (lock) - (void) flock(fileno(lock),LOCK_EX); -#endif /* ! NO_FLOCK */ -#endif /* POSIX_SOURCE */ + if (lock) + (void) flock(fileno(lock),LOCK_EX); +#endif - if (pop_init(host) == NOTOK) { - fprintf(stderr,"%s: %s\n",prog, Errmsg); - exit(1); - } + if (pop_init(host) == NOTOK) { + fprintf(stderr,"%s: %s\n",prog, Errmsg); + exit(1); + } - if ((getline(response, sizeof response, sfi) != OK) || - (*response != '+')) { - fprintf(stderr,"%s: %s\n",prog,response); - exit(1); - } + if ((getline(response, sizeof response, sfi) != OK) || + (*response != '+')) { + fprintf(stderr,"%s: %s\n",prog,response); + exit(1); + } #ifdef KPOP - auth_cmd = "PASS %s"; + auth_cmd = "PASS %s"; #else - auth_cmd = "RPOP %s"; + auth_cmd = "RPOP %s"; #endif - if (pop_command("USER %s", user) == NOTOK - || pop_command(auth_cmd, user) == NOTOK) - fatal_pop_err (); + if (pop_command("USER %s", user) == NOTOK + || pop_command(auth_cmd, user) == NOTOK) + fatal_pop_err (); - if (pop_stat(&nmsgs, &nbytes) == NOTOK) - fatal_pop_err (); + if (pop_stat(&nmsgs, &nbytes) == NOTOK) + fatal_pop_err (); - if (!nmsgs) { - if (lock) { + if (!nmsgs) { + if (lock) { #ifdef POSIX - struct flock fl; - - /* unlock the whole file */ - fl.l_type = F_UNLCK; - fl.l_whence = SEEK_SET; - fl.l_start = 0; - fl.l_len = 0; - (void) fcntl(fileno(lock),F_SETLKW,&fl); + struct flock fl; + + /* unlock the whole file */ + fl.l_type = F_UNLCK; + fl.l_whence = SEEK_SET; + fl.l_start = 0; + fl.l_len = 0; + (void) fcntl(fileno(lock),F_SETLKW,&fl); #else -#ifndef NO_FLOCK - (void) flock(fileno(lock),LOCK_UN); -#endif /* ! NO_FLOCK */ -#endif /* POSIX */ - (void) fclose(lock); - } - (void) unlink(lockfile); - (void) pop_command("QUIT"); - pop_close(); - exit (0); - } + (void) flock(fileno(lock),LOCK_UN); +#endif + (void) fclose(lock); + } + (void) unlink(lockfile); + (void) pop_command("QUIT"); + pop_close(); + exit (0); + } - uselock = 0; - if (lock) { - uselock = 1; - mymail.to = (char *)malloc(BUFSIZ); - mymail.from = (char *)malloc(BUFSIZ); - mymail.subj = (char *)malloc(BUFSIZ); - if (fgets(mymail.from,BUFSIZ,lock) != NULL) - mymail.from[strlen(mymail.from)-1] = 0; - else - mymail.from[0]=0; - if (fgets(mymail.to,BUFSIZ,lock) != NULL) - mymail.to[strlen(mymail.to)-1] = 0; - else - mymail.to[0] = 0; - if (fgets(mymail.subj,BUFSIZ,lock) != NULL) - mymail.subj[strlen(mymail.subj)-1] = 0; - else - mymail.subj[0] = 0; - } - else { - lock = fopen(lockfile,"w"); + uselock = 0; + if (lock) { + uselock = 1; + mymail.to = (char *)malloc(BUFSIZ); + mymail.from = (char *)malloc(BUFSIZ); + mymail.subj = (char *)malloc(BUFSIZ); + if (fgets(mymail.from,BUFSIZ,lock) != NULL) + mymail.from[strlen(mymail.from)-1] = 0; + else + mymail.from[0]=0; + if (fgets(mymail.to,BUFSIZ,lock) != NULL) + mymail.to[strlen(mymail.to)-1] = 0; + else + mymail.to[0] = 0; + if (fgets(mymail.subj,BUFSIZ,lock) != NULL) + mymail.subj[strlen(mymail.subj)-1] = 0; + else + mymail.subj[0] = 0; + } + else { + lock = fopen(lockfile,"w"); #ifdef POSIX - if (lock) { - struct flock fl; - - /* lock the whole file exclusively */ - fl.l_type = F_WRLCK; - fl.l_whence = SEEK_SET; - fl.l_start = 0; - fl.l_len = 0; - (void) fcntl(fileno(lock),F_SETLKW,&fl); - } -#else -#ifndef NO_FLOCK - if (lock) - (void) flock(fileno(lock),LOCK_EX); -#endif /* ! NO_FLOCK */ -#endif /* POSIX_SOURCE */ - uselock = 0; + if (lock) { + struct flock fl; + + /* lock the whole file exclusively */ + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + fl.l_start = 0; + fl.l_len = 0; + (void) fcntl(fileno(lock),F_SETLKW,&fl); } +#else + if (lock) + (void) flock(fileno(lock),LOCK_EX); +#endif + uselock = 0; + } - for (i=nmsgs;i>0;i--) { - if (nmsgs-i == MAXMAIL) - break; - if (get_mail(i,&maillist[nmsgs-i])) - exit (1); - if (uselock && (!strcmp(maillist[nmsgs-i].to,mymail.to) && - !strcmp(maillist[nmsgs-i].from,mymail.from) && - !strcmp(maillist[nmsgs-i].subj,mymail.subj))) - break; - } + for (i=nmsgs;i>0;i--) { + if (nmsgs-i == MAXMAIL) + break; + if (get_mail(i,&maillist[nmsgs-i])) + exit (1); + if (uselock && (!strcmp(maillist[nmsgs-i].to,mymail.to) && + !strcmp(maillist[nmsgs-i].from,mymail.from) && + !strcmp(maillist[nmsgs-i].subj,mymail.subj))) + break; + } - (void) pop_command("QUIT"); - pop_close(); + (void) pop_command("QUIT"); + pop_close(); - i++; - for (;i<=nmsgs;i++) - mail_notify(&maillist[nmsgs-i]); - i--; - if (lock) { + i++; + for (;i<=nmsgs;i++) + mail_notify(&maillist[nmsgs-i]); + i--; + if (lock) { #ifdef POSIX - struct flock fl; - - /* unlock the whole file */ - fl.l_type = F_UNLCK; - fl.l_whence = SEEK_SET; - fl.l_start = 0; - fl.l_len = 0; - (void) fcntl(fileno(lock),F_SETLKW,&fl); + struct flock fl; + + /* unlock the whole file */ + fl.l_type = F_UNLCK; + fl.l_whence = SEEK_SET; + fl.l_start = 0; + fl.l_len = 0; + (void) fcntl(fileno(lock),F_SETLKW,&fl); #else -#ifndef NO_FLOCK - (void) flock(fileno(lock),LOCK_UN); -#endif /* ! NO_FLOCK */ -#endif /* POSIX */ - (void) fclose(lock); - } - lock = fopen(lockfile,"w"); - if (!lock) - exit (1); - fprintf(lock,"%s\n%s\n%s\n", - maillist[nmsgs-i].from, - maillist[nmsgs-i].to, - maillist[nmsgs-i].subj); + (void) flock(fileno(lock),LOCK_UN); +#endif (void) fclose(lock); - - exit(0); + } + lock = fopen(lockfile,"w"); + if (!lock) + exit (1); + fprintf(lock,"%s\n%s\n%s\n", + maillist[nmsgs-i].from, + maillist[nmsgs-i].to, + maillist[nmsgs-i].subj); + (void) fclose(lock); + + exit(0); } void fatal_pop_err () |