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  • Committer: Teddy Hogeborn
  • Date: 2009-02-09 19:33:46 UTC
  • mfrom: (24.1.135 mandos)
  • Revision ID: teddy@fukt.bsnet.se-20090209193346-5insyr1rsisor8dj
Merge from Björn:

* plugins.d/mandos-client.c (mc): Initialize globally.
  (main): Better handling of signals.

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plugins.d/mandos-client.c
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 */
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/* Needed by GPGME, specifically gpgme_data_seek() */
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#ifndef _LARGEFILE_SOURCE
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#define _LARGEFILE_SOURCE
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#endif
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#ifndef _FILE_OFFSET_BITS
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#define _FILE_OFFSET_BITS 64
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#endif
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), asprintf() */
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#include <stdio.h>              /* fprintf(), stderr, fwrite(),
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                                   stdout, ferror(), remove() */
 
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                                   stdout, ferror(), sscanf(),
 
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                                   remove() */
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#include <stdint.h>             /* uint16_t, uint32_t */
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#include <stddef.h>             /* NULL, size_t, ssize_t */
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#include <stdlib.h>             /* free(), EXIT_SUCCESS, EXIT_FAILURE,
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                                   srand(), strtof() */
 
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                                   srand() */
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#include <stdbool.h>            /* bool, false, true */
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#include <string.h>             /* memset(), strcmp(), strlen(),
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                                   strerror(), asprintf(), strcpy() */
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#include <fcntl.h>              /* open() */
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#include <dirent.h>             /* opendir(), struct dirent, readdir()
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                                 */
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#include <inttypes.h>           /* PRIu16, PRIdMAX, intmax_t,
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                                   strtoimax() */
 
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#include <inttypes.h>           /* PRIu16, intmax_t, SCNdMAX */
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#include <assert.h>             /* assert() */
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#include <errno.h>              /* perror(), errno */
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#include <time.h>               /* nanosleep(), time() */
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  memset(&to, 0, sizeof(to));
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  if(af == AF_INET6){
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    to.in6.sin6_family = (sa_family_t)af;
 
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    to.in6.sin6_family = (uint16_t)af;
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    ret = inet_pton(af, ip, &to.in6.sin6_addr);
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  } else {                      /* IPv4 */
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    to.in.sin_family = (sa_family_t)af;
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       the callback function is called the Avahi server will free the
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       resolver for us. */
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    if(avahi_s_service_resolver_new(mc.server, interface, protocol,
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                                    name, type, domain, protocol, 0,
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                                    resolve_callback, NULL) == NULL)
 
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    if(!(avahi_s_service_resolver_new(mc.server, interface,
 
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                                       protocol, name, type, domain,
 
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                                       AVAHI_PROTO_INET6, 0,
 
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                                       resolve_callback, NULL)))
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      fprintf(stderr, "Avahi: Failed to resolve service '%s': %s\n",
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              name, avahi_strerror(avahi_server_errno(mc.server)));
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    break;
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  int error;
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  int ret;
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  intmax_t tmpmax;
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  char *tmp;
 
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  int numchars;
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  int exitcode = EXIT_SUCCESS;
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  const char *interface = "eth0";
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  struct ifreq network;
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  const char *seckey = PATHDIR "/" SECKEY;
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  const char *pubkey = PATHDIR "/" PUBKEY;
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  /* Initialize Mandos context */
 
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  mc = (mandos_context){ .simple_poll = NULL, .server = NULL,
 
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                         .dh_bits = 1024, .priority = "SECURE256"
 
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                         ":!CTYPE-X.509:+CTYPE-OPENPGP" };
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  bool gnutls_initialized = false;
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  bool gpgme_initialized = false;
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  float delay = 2.5f;
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  double delay = 2.5;
 
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  struct sigaction old_sigterm_action;
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  struct sigaction sigterm_action = { .sa_handler = handle_sigterm };
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        pubkey = arg;
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        break;
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      case 129:                 /* --dh-bits */
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        errno = 0;
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        tmpmax = strtoimax(arg, &tmp, 10);
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        if(errno != 0 or tmp == arg or *tmp != '\0'
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           or tmpmax != (typeof(mc.dh_bits))tmpmax){
 
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        ret = sscanf(arg, "%" SCNdMAX "%n", &tmpmax, &numchars);
 
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        if(ret < 1 or tmpmax != (typeof(mc.dh_bits))tmpmax
 
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           or arg[numchars] != '\0'){
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          fprintf(stderr, "Bad number of DH bits\n");
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          exit(EXIT_FAILURE);
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        }
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        mc.priority = arg;
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        break;
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      case 131:                 /* --delay */
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        errno = 0;
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        delay = strtof(arg, &tmp);
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        if(errno != 0 or tmp == arg or *tmp != '\0'){
 
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        ret = sscanf(arg, "%lf%n", &delay, &numchars);
 
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        if(ret < 1 or arg[numchars] != '\0'){
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          fprintf(stderr, "Bad delay\n");
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          exit(EXIT_FAILURE);
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        }
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      goto end;
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    }
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    uint16_t port;
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    errno = 0;
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    tmpmax = strtoimax(address+1, &tmp, 10);
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    if(errno != 0 or tmp == address+1 or *tmp != '\0'
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       or tmpmax != (uint16_t)tmpmax){
 
1203
    ret = sscanf(address+1, "%" SCNdMAX "%n", &tmpmax, &numchars);
 
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    if(ret < 1 or tmpmax != (uint16_t)tmpmax
 
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       or address[numchars+1] != '\0'){
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      fprintf(stderr, "Bad port number\n");
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      exitcode = EXIT_FAILURE;
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      goto end;
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  /* Create the Avahi service browser */
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  sb = avahi_s_service_browser_new(mc.server, if_index,
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                                   AVAHI_PROTO_UNSPEC, "_mandos._tcp",
 
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                                   AVAHI_PROTO_INET6, "_mandos._tcp",
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                                   NULL, 0, browse_callback, NULL);
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  if(sb == NULL){
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    fprintf(stderr, "Failed to create service browser: %s\n",