diff options
author | stas <stas@FreeBSD.org> | 2011-09-29 05:23:57 +0000 |
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committer | stas <stas@FreeBSD.org> | 2011-09-29 05:23:57 +0000 |
commit | f6e720bf7e3d09d00d73f389a5dac8efdce0eb8c (patch) | |
tree | cf5b65423910d126fddaaf04b885d0de3507d692 /crypto/heimdal/appl/push/push.c | |
parent | 51b6601db456e699ea5d4843cbc7239ee92d9c13 (diff) | |
download | FreeBSD-src-f6e720bf7e3d09d00d73f389a5dac8efdce0eb8c.zip FreeBSD-src-f6e720bf7e3d09d00d73f389a5dac8efdce0eb8c.tar.gz |
- Flatten the vendor heimdal tree.
Diffstat (limited to 'crypto/heimdal/appl/push/push.c')
-rw-r--r-- | crypto/heimdal/appl/push/push.c | 844 |
1 files changed, 0 insertions, 844 deletions
diff --git a/crypto/heimdal/appl/push/push.c b/crypto/heimdal/appl/push/push.c deleted file mode 100644 index 87a0be2..0000000 --- a/crypto/heimdal/appl/push/push.c +++ /dev/null @@ -1,844 +0,0 @@ -/* - * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * 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. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "push_locl.h" -RCSID("$Id: push.c 14850 2005-04-19 18:00:17Z lha $"); - -#ifdef KRB4 -static int use_v4 = -1; -#endif - -#ifdef KRB5 -static int use_v5 = -1; -static krb5_context context; -#endif - -static char *port_str; -static int verbose_level; -static int do_fork; -static int do_leave; -static int do_version; -static int do_help; -static int do_from; -static int do_count; -static char *header_str; - -struct getargs args[] = { -#ifdef KRB4 - { "krb4", '4', arg_flag, &use_v4, "Use Kerberos V4", - NULL }, -#endif -#ifdef KRB5 - { "krb5", '5', arg_flag, &use_v5, "Use Kerberos V5", - NULL }, -#endif - { "verbose",'v', arg_counter, &verbose_level, "Verbose", - NULL }, - { "fork", 'f', arg_flag, &do_fork, "Fork deleting proc", - NULL }, - { "leave", 'l', arg_flag, &do_leave, "Leave mail on server", - NULL }, - { "port", 'p', arg_string, &port_str, "Use this port", - "number-or-service" }, - { "from", 0, arg_flag, &do_from, "Behave like from", - NULL }, - { "headers", 0, arg_string, &header_str, "Headers to print", NULL }, - { "count", 'c', arg_flag, &do_count, "Print number of messages", NULL}, - { "version", 0, arg_flag, &do_version, "Print version", - NULL }, - { "help", 0, arg_flag, &do_help, NULL, - NULL } - -}; - -static void -usage (int ret) -{ - arg_printusage (args, - sizeof(args) / sizeof(args[0]), - NULL, - "[[{po:username[@hostname] | hostname[:username]}] ...] " - "filename"); - exit (ret); -} - -static int -do_connect (const char *hostname, int port, int nodelay) -{ - struct addrinfo *ai, *a; - struct addrinfo hints; - int error; - int s = -1; - char portstr[NI_MAXSERV]; - - memset (&hints, 0, sizeof(hints)); - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = IPPROTO_TCP; - - snprintf (portstr, sizeof(portstr), "%u", ntohs(port)); - - error = getaddrinfo (hostname, portstr, &hints, &ai); - if (error) - errx (1, "getaddrinfo(%s): %s", hostname, gai_strerror(error)); - - for (a = ai; a != NULL; a = a->ai_next) { - s = socket (a->ai_family, a->ai_socktype, a->ai_protocol); - if (s < 0) - continue; - if (connect (s, a->ai_addr, a->ai_addrlen) < 0) { - warn ("connect(%s)", hostname); - close (s); - continue; - } - break; - } - freeaddrinfo (ai); - if (a == NULL) { - warnx ("failed to contact %s", hostname); - return -1; - } - - if(setsockopt(s, IPPROTO_TCP, TCP_NODELAY, - (void *)&nodelay, sizeof(nodelay)) < 0) - err (1, "setsockopt TCP_NODELAY"); - return s; -} - -typedef enum { INIT = 0, GREET, USER, PASS, STAT, RETR, TOP, - DELE, XDELE, QUIT} pop_state; - -static char *pop_state_string[] = { - "INIT", "GREET", "USER", "PASS", "STAT", "RETR", "TOP", - "DELE", "XDELE", "QUIT" -}; - -#define PUSH_BUFSIZ 65536 - -#define STEP 16 - -struct write_state { - struct iovec *iovecs; - size_t niovecs, maxiovecs, allociovecs; - int fd; -}; - -static void -write_state_init (struct write_state *w, int fd) -{ -#ifdef UIO_MAXIOV - w->maxiovecs = UIO_MAXIOV; -#else - w->maxiovecs = 16; -#endif - w->allociovecs = min(STEP, w->maxiovecs); - w->niovecs = 0; - w->iovecs = emalloc(w->allociovecs * sizeof(*w->iovecs)); - w->fd = fd; -} - -static void -write_state_add (struct write_state *w, void *v, size_t len) -{ - if(w->niovecs == w->allociovecs) { - if(w->niovecs == w->maxiovecs) { - if(writev (w->fd, w->iovecs, w->niovecs) < 0) - err(1, "writev"); - w->niovecs = 0; - } else { - w->allociovecs = min(w->allociovecs + STEP, w->maxiovecs); - w->iovecs = erealloc (w->iovecs, - w->allociovecs * sizeof(*w->iovecs)); - } - } - w->iovecs[w->niovecs].iov_base = v; - w->iovecs[w->niovecs].iov_len = len; - ++w->niovecs; -} - -static void -write_state_flush (struct write_state *w) -{ - if (w->niovecs) { - if (writev (w->fd, w->iovecs, w->niovecs) < 0) - err (1, "writev"); - w->niovecs = 0; - } -} - -static void -write_state_destroy (struct write_state *w) -{ - free (w->iovecs); -} - -static int -doit(int s, - const char *host, - const char *user, - const char *outfilename, - const char *header_str, - int leavep, - int verbose, - int forkp) -{ - int ret; - char out_buf[PUSH_BUFSIZ]; - int out_len = 0; - char *in_buf; - size_t in_buf_size; - size_t in_len = 0; - char *in_ptr; - pop_state state = INIT; - unsigned count, bytes; - unsigned asked_for = 0, retrieved = 0, asked_deleted = 0, deleted = 0; - unsigned sent_xdele = 0; - int out_fd; - char from_line[128]; - size_t from_line_length; - time_t now; - struct write_state write_state; - int numheaders = 1; - char **headers = NULL; - int i; - char *tmp = NULL; - - in_buf = emalloc(PUSH_BUFSIZ + 1); - in_ptr = in_buf; - in_buf_size = PUSH_BUFSIZ; - - if (do_from) { - char *tmp2; - - tmp2 = tmp = estrdup(header_str); - - out_fd = -1; - if (verbose) - fprintf (stderr, "%s@%s\n", user, host); - while (*tmp != '\0') { - tmp = strchr(tmp, ','); - if (tmp == NULL) - break; - tmp++; - numheaders++; - } - - headers = emalloc(sizeof(char *) * (numheaders + 1)); - for (i = 0; i < numheaders; i++) { - headers[i] = strtok_r(tmp2, ",", &tmp2); - } - headers[numheaders] = NULL; - } else { - out_fd = open(outfilename, O_WRONLY | O_APPEND | O_CREAT, 0666); - if (out_fd < 0) - err (1, "open %s", outfilename); - if (verbose) - fprintf (stderr, "%s@%s -> %s\n", user, host, outfilename); - } - - now = time(NULL); - from_line_length = snprintf (from_line, sizeof(from_line), - "From %s %s", "push", ctime(&now)); - if (from_line_length < 0 || from_line_length > sizeof(from_line)) - errx (1, "snprintf failed"); - - out_len = snprintf (out_buf, sizeof(out_buf), - "USER %s\r\nPASS hej\r\nSTAT\r\n", - user); - if (out_len < 0 || out_len > sizeof(out_buf)) - errx (1, "snprintf failed"); - if (net_write (s, out_buf, out_len) != out_len) - err (1, "write"); - if (verbose > 1) - fprintf (stderr, "%s", out_buf); - - if (!do_from) - write_state_init (&write_state, out_fd); - - while(state != QUIT) { - fd_set readset, writeset; - - FD_ZERO(&readset); - FD_ZERO(&writeset); - if (s >= FD_SETSIZE) - errx (1, "fd too large"); - FD_SET(s,&readset); - - if (verbose > 1) - fprintf (stderr, "state: %s count: %d asked_for: %d " - "retrieved: %d asked_deleted: %d\n", - pop_state_string[state], - count, asked_for, retrieved, asked_deleted); - - if (((state == STAT || state == RETR || state == TOP) - && asked_for < count) - || (state == XDELE && !sent_xdele) - || (state == DELE && asked_deleted < count)) - FD_SET(s,&writeset); - ret = select (s + 1, &readset, &writeset, NULL, NULL); - if (ret < 0) { - if (errno == EAGAIN) - continue; - else - err (1, "select"); - } - - if (FD_ISSET(s, &readset)) { - char *beg, *p; - size_t rem; - int blank_line = 0; - - if(in_len >= in_buf_size) { - char *tmp = erealloc(in_buf, in_buf_size + PUSH_BUFSIZ + 1); - in_ptr = tmp + (in_ptr - in_buf); - in_buf = tmp; - in_buf_size += PUSH_BUFSIZ; - } - - ret = read (s, in_ptr, in_buf_size - in_len); - if (ret < 0) - err (1, "read"); - else if (ret == 0) - errx (1, "EOF during read"); - - in_len += ret; - in_ptr += ret; - *in_ptr = '\0'; - - beg = in_buf; - rem = in_len; - while(rem > 1 - && (p = strstr(beg, "\r\n")) != NULL) { - if (state == TOP) { - char *copy = beg; - - for (i = 0; i < numheaders; i++) { - size_t len; - - len = min(p - copy + 1, strlen(headers[i])); - if (strncasecmp(copy, headers[i], len) == 0) { - fprintf (stdout, "%.*s\n", (int)(p - copy), copy); - } - } - if (beg[0] == '.' && beg[1] == '\r' && beg[2] == '\n') { - if (numheaders > 1) - fprintf (stdout, "\n"); - state = STAT; - if (++retrieved == count) { - state = QUIT; - net_write (s, "QUIT\r\n", 6); - if (verbose > 1) - fprintf (stderr, "QUIT\r\n"); - } - } - rem -= p - beg + 2; - beg = p + 2; - } else if (state == RETR) { - char *copy = beg; - if (beg[0] == '.') { - if (beg[1] == '\r' && beg[2] == '\n') { - if(!blank_line) - write_state_add(&write_state, "\n", 1); - state = STAT; - rem -= p - beg + 2; - beg = p + 2; - if (++retrieved == count) { - write_state_flush (&write_state); - if (fsync (out_fd) < 0) - err (1, "fsync"); - close(out_fd); - if (leavep) { - state = QUIT; - net_write (s, "QUIT\r\n", 6); - if (verbose > 1) - fprintf (stderr, "QUIT\r\n"); - } else { - if (forkp) { - pid_t pid; - - pid = fork(); - if (pid < 0) - warn ("fork"); - else if(pid != 0) { - if(verbose) - fprintf (stderr, - "(exiting)"); - return 0; - } - } - - state = XDELE; - if (verbose) - fprintf (stderr, "deleting... "); - } - } - continue; - } else - ++copy; - } - *p = '\n'; - if(blank_line && - strncmp(copy, "From ", min(p - copy + 1, 5)) == 0) - write_state_add(&write_state, ">", 1); - write_state_add(&write_state, copy, p - copy + 1); - blank_line = (*copy == '\n'); - rem -= p - beg + 2; - beg = p + 2; - } else if (rem >= 3 && strncmp (beg, "+OK", 3) == 0) { - if (state == STAT) { - if (!do_from) - write_state_add(&write_state, - from_line, from_line_length); - blank_line = 0; - if (do_from) - state = TOP; - else - state = RETR; - } else if (state == XDELE) { - state = QUIT; - net_write (s, "QUIT\r\n", 6); - if (verbose > 1) - fprintf (stderr, "QUIT\r\n"); - break; - } else if (state == DELE) { - if (++deleted == count) { - state = QUIT; - net_write (s, "QUIT\r\n", 6); - if (verbose > 1) - fprintf (stderr, "QUIT\r\n"); - break; - } - } else if (++state == STAT) { - if(sscanf (beg + 4, "%u %u", &count, &bytes) != 2) - errx(1, "Bad STAT-line: %.*s", (int)(p - beg), beg); - if (verbose) { - fprintf (stderr, "%u message(s) (%u bytes). " - "fetching... ", - count, bytes); - if (do_from) - fprintf (stderr, "\n"); - } else if (do_count) { - fprintf (stderr, "%u message(s) (%u bytes).\n", - count, bytes); - } - if (count == 0) { - state = QUIT; - net_write (s, "QUIT\r\n", 6); - if (verbose > 1) - fprintf (stderr, "QUIT\r\n"); - break; - } - } - - rem -= p - beg + 2; - beg = p + 2; - } else { - if(state == XDELE) { - state = DELE; - rem -= p - beg + 2; - beg = p + 2; - } else - errx (1, "Bad response: %.*s", (int)(p - beg), beg); - } - } - if (!do_from) - write_state_flush (&write_state); - - memmove (in_buf, beg, rem); - in_len = rem; - in_ptr = in_buf + rem; - } - if (FD_ISSET(s, &writeset)) { - if ((state == STAT && !do_from) || state == RETR) - out_len = snprintf (out_buf, sizeof(out_buf), - "RETR %u\r\n", ++asked_for); - else if ((state == STAT && do_from) || state == TOP) - out_len = snprintf (out_buf, sizeof(out_buf), - "TOP %u 0\r\n", ++asked_for); - else if(state == XDELE) { - out_len = snprintf(out_buf, sizeof(out_buf), - "XDELE %u %u\r\n", 1, count); - sent_xdele++; - } - else if(state == DELE) - out_len = snprintf (out_buf, sizeof(out_buf), - "DELE %u\r\n", ++asked_deleted); - if (out_len < 0 || out_len > sizeof(out_buf)) - errx (1, "snprintf failed"); - if (net_write (s, out_buf, out_len) != out_len) - err (1, "write"); - if (verbose > 1) - fprintf (stderr, "%s", out_buf); - } - } - if (verbose) - fprintf (stderr, "Done\n"); - if (do_from) { - free (tmp); - free (headers); - } else { - write_state_destroy (&write_state); - } - return 0; -} - -#ifdef KRB5 -static int -do_v5 (const char *host, - int port, - const char *user, - const char *filename, - const char *header_str, - int leavep, - int verbose, - int forkp) -{ - krb5_error_code ret; - krb5_auth_context auth_context = NULL; - krb5_principal server; - int s; - - s = do_connect (host, port, 1); - if (s < 0) - return 1; - - ret = krb5_sname_to_principal (context, - host, - "pop", - KRB5_NT_SRV_HST, - &server); - if (ret) { - warnx ("krb5_sname_to_principal: %s", - krb5_get_err_text (context, ret)); - return 1; - } - - ret = krb5_sendauth (context, - &auth_context, - &s, - "KPOPV1.0", - NULL, - server, - 0, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL); - krb5_free_principal (context, server); - if (ret) { - warnx ("krb5_sendauth: %s", - krb5_get_err_text (context, ret)); - return 1; - } - return doit (s, host, user, filename, header_str, leavep, verbose, forkp); -} -#endif - -#ifdef KRB4 -static int -do_v4 (const char *host, - int port, - const char *user, - const char *filename, - const char *header_str, - int leavep, - int verbose, - int forkp) -{ - KTEXT_ST ticket; - MSG_DAT msg_data; - CREDENTIALS cred; - des_key_schedule sched; - int s; - int ret; - - s = do_connect (host, port, 1); - if (s < 0) - return 1; - ret = krb_sendauth(0, - s, - &ticket, - "pop", - (char *)host, - krb_realmofhost(host), - getpid(), - &msg_data, - &cred, - sched, - NULL, - NULL, - "KPOPV0.1"); - if(ret) { - warnx("krb_sendauth: %s", krb_get_err_text(ret)); - return 1; - } - return doit (s, host, user, filename, header_str, leavep, verbose, forkp); -} -#endif /* KRB4 */ - -#ifdef HESIOD - -#ifdef HESIOD_INTERFACES - -static char * -hesiod_get_pobox (const char **user) -{ - void *context; - struct hesiod_postoffice *hpo; - char *ret = NULL; - - if(hesiod_init (&context) != 0) - err (1, "hesiod_init"); - - hpo = hesiod_getmailhost (context, *user); - if (hpo == NULL) { - warn ("hesiod_getmailhost %s", *user); - } else { - if (strcasecmp(hpo->hesiod_po_type, "pop") != 0) - errx (1, "Unsupported po type %s", hpo->hesiod_po_type); - - ret = estrdup(hpo->hesiod_po_host); - *user = estrdup(hpo->hesiod_po_name); - hesiod_free_postoffice (context, hpo); - } - hesiod_end (context); - return ret; -} - -#else /* !HESIOD_INTERFACES */ - -static char * -hesiod_get_pobox (const char **user) -{ - char *ret = NULL; - struct hes_postoffice *hpo; - - hpo = hes_getmailhost (*user); - if (hpo == NULL) { - warn ("hes_getmailhost %s", *user); - } else { - if (strcasecmp(hpo->po_type, "pop") != 0) - errx (1, "Unsupported po type %s", hpo->po_type); - - ret = estrdup(hpo->po_host); - *user = estrdup(hpo->po_name); - } - return ret; -} - -#endif /* HESIOD_INTERFACES */ - -#endif /* HESIOD */ - -static char * -get_pobox (const char **user) -{ - char *ret = NULL; - -#ifdef HESIOD - ret = hesiod_get_pobox (user); -#endif - - if (ret == NULL) - ret = getenv("MAILHOST"); - if (ret == NULL) - errx (1, "MAILHOST not set"); - return ret; -} - -static void -parse_pobox (char *a0, const char **host, const char **user) -{ - const char *h, *u; - char *p; - int po = 0; - - if (a0 == NULL) { - - *user = getenv ("USERNAME"); - if (*user == NULL) { - struct passwd *pwd = getpwuid (getuid ()); - - if (pwd == NULL) - errx (1, "Who are you?"); - *user = estrdup (pwd->pw_name); - } - *host = get_pobox (user); - return; - } - - /* if the specification starts with po:, remember this information */ - if(strncmp(a0, "po:", 3) == 0) { - a0 += 3; - po++; - } - /* if there is an `@', the hostname is after it, otherwise at the - beginning of the string */ - p = strchr(a0, '@'); - if(p != NULL) { - *p++ = '\0'; - h = p; - } else { - h = a0; - } - /* if there is a `:', the username comes before it, otherwise at - the beginning of the string */ - p = strchr(a0, ':'); - if(p != NULL) { - *p++ = '\0'; - u = p; - } else { - u = a0; - } - if(h == u) { - /* some inconsistent compatibility with various mailers */ - if(po) { - h = get_pobox (&u); - } else { - u = get_default_username (); - if (u == NULL) - errx (1, "Who are you?"); - } - } - *host = h; - *user = u; -} - -int -main(int argc, char **argv) -{ - int port = 0; - int optind = 0; - int ret = 1; - const char *host, *user, *filename = NULL; - char *pobox = NULL; - - setprogname (argv[0]); - -#ifdef KRB5 - { - krb5_error_code ret; - - ret = krb5_init_context (&context); - if (ret) - errx (1, "krb5_init_context failed: %d", ret); - } -#endif - - if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv, - &optind)) - usage (1); - - argc -= optind; - argv += optind; - -#if defined(KRB4) && defined(KRB5) - if(use_v4 == -1 && use_v5 == 1) - use_v4 = 0; - if(use_v5 == -1 && use_v4 == 1) - use_v5 = 0; -#endif - - if (do_help) - usage (0); - - if (do_version) { - print_version(NULL); - return 0; - } - - if (do_from && header_str == NULL) - header_str = "From:"; - else if (header_str != NULL) - do_from = 1; - - if (do_from) { - if (argc == 0) - pobox = NULL; - else if (argc == 1) - pobox = argv[0]; - else - usage (1); - } else { - if (argc == 1) { - filename = argv[0]; - pobox = NULL; - } else if (argc == 2) { - filename = argv[1]; - pobox = argv[0]; - } else - usage (1); - } - - if (port_str) { - struct servent *s = roken_getservbyname (port_str, "tcp"); - - if (s) - port = s->s_port; - else { - char *ptr; - - port = strtol (port_str, &ptr, 10); - if (port == 0 && ptr == port_str) - errx (1, "Bad port `%s'", port_str); - port = htons(port); - } - } - if (port == 0) { -#ifdef KRB5 - port = krb5_getportbyname (context, "kpop", "tcp", 1109); -#elif defined(KRB4) - port = k_getportbyname ("kpop", "tcp", htons(1109)); -#else -#error must define KRB4 or KRB5 -#endif - } - - parse_pobox (pobox, &host, &user); - -#ifdef KRB5 - if (ret && use_v5) { - ret = do_v5 (host, port, user, filename, header_str, - do_leave, verbose_level, do_fork); - } -#endif - -#ifdef KRB4 - if (ret && use_v4) { - ret = do_v4 (host, port, user, filename, header_str, - do_leave, verbose_level, do_fork); - } -#endif /* KRB4 */ - return ret; -} |