masqmail

diff src/connect.c @ 10:26e34ae9a3e3

changed indention and line wrapping to a more consistent style
author meillo@marmaro.de
date Mon, 27 Oct 2008 16:23:10 +0100
parents 08114f7dcc23
children a80ebfa16cd5
line diff
     1.1 --- a/src/connect.c	Mon Oct 27 16:21:27 2008 +0100
     1.2 +++ b/src/connect.c	Mon Oct 27 16:23:10 2008 +0100
     1.3 @@ -17,67 +17,63 @@
     1.4  */
     1.5  #include "masqmail.h"
     1.6  
     1.7 -static
     1.8 -GList *resolve_ip(GList *list, gchar *ip)
     1.9 +static GList*
    1.10 +resolve_ip(GList * list, gchar * ip)
    1.11  {
    1.12 -  struct in_addr ia;
    1.13 -  if(inet_aton(ip, &ia)){
    1.14 -    mxip_addr mxip;
    1.15 -    
    1.16 -    mxip.name = g_strdup(ip);
    1.17 -    mxip.pref = 0;
    1.18 -    mxip.ip = (guint32) *(guint32 *)(&ia);
    1.19 -    list = g_list_append(list, g_memdup(&mxip, sizeof(mxip)));
    1.20 -  }
    1.21 -  /* logwrite(LOG_ALERT, "invalid address '%s': inet_aton() failed\n", ip);*/
    1.22 -  return NULL;
    1.23 +	struct in_addr ia;
    1.24 +	if (inet_aton(ip, &ia)) {
    1.25 +		mxip_addr mxip;
    1.26 +
    1.27 +		mxip.name = g_strdup(ip);
    1.28 +		mxip.pref = 0;
    1.29 +		mxip.ip = (guint32) * (guint32 *) (&ia);
    1.30 +		list = g_list_append(list, g_memdup(&mxip, sizeof(mxip)));
    1.31 +	}
    1.32 +	/* logwrite(LOG_ALERT, "invalid address '%s': inet_aton() failed\n", ip); */
    1.33 +	return NULL;
    1.34  }
    1.35  
    1.36 -mxip_addr *connect_hostlist(int *psockfd, gchar *host, guint port,
    1.37 -			  GList *addr_list)
    1.38 +mxip_addr*
    1.39 +connect_hostlist(int *psockfd, gchar * host, guint port, GList * addr_list)
    1.40  {
    1.41 -  GList *addr_node;
    1.42 -  struct sockaddr_in saddr;
    1.43 +	GList *addr_node;
    1.44 +	struct sockaddr_in saddr;
    1.45  
    1.46 -  DEBUG(5) debugf("connect_hostlist entered\n");
    1.47 +	DEBUG(5) debugf("connect_hostlist entered\n");
    1.48  
    1.49 -  for(addr_node = g_list_first(addr_list);
    1.50 -      addr_node;
    1.51 -      addr_node = g_list_next(addr_node)){
    1.52 -    mxip_addr *addr = (mxip_addr *)(addr_node->data);
    1.53 +	for (addr_node = g_list_first(addr_list); addr_node; addr_node = g_list_next(addr_node)) {
    1.54 +		mxip_addr *addr = (mxip_addr *) (addr_node->data);
    1.55  
    1.56 -    *psockfd = socket(PF_INET, SOCK_STREAM, 0);
    1.57 +		*psockfd = socket(PF_INET, SOCK_STREAM, 0);
    1.58  
    1.59 -    memset(&saddr, 0, sizeof(saddr));
    1.60 +		memset(&saddr, 0, sizeof(saddr));
    1.61  
    1.62 -    saddr.sin_family = AF_INET;
    1.63 -    saddr.sin_port = htons(port);
    1.64 +		saddr.sin_family = AF_INET;
    1.65 +		saddr.sin_port = htons(port);
    1.66  
    1.67 -    /* clumsy, but makes compiler happy: */
    1.68 -    saddr.sin_addr = *(struct in_addr*)(&(addr->ip));
    1.69 -    DEBUG(5) debugf("trying ip %s port %d\n", inet_ntoa(saddr.sin_addr), port);
    1.70 -    if(connect(*psockfd, (struct sockaddr *)(&saddr), sizeof(saddr)) == 0){
    1.71 -      DEBUG(5) debugf("connected to %s\n", inet_ntoa(saddr.sin_addr));
    1.72 -      return addr;
    1.73 -    }else{
    1.74 -      int saved_errno = errno;
    1.75 +		/* clumsy, but makes compiler happy: */
    1.76 +		saddr.sin_addr = *(struct in_addr *) (&(addr->ip));
    1.77 +		DEBUG(5) debugf("trying ip %s port %d\n", inet_ntoa(saddr.sin_addr), port);
    1.78 +		if (connect(*psockfd, (struct sockaddr *) (&saddr), sizeof(saddr)) == 0) {
    1.79 +			DEBUG(5) debugf("connected to %s\n", inet_ntoa(saddr.sin_addr));
    1.80 +			return addr;
    1.81 +		} else {
    1.82 +			int saved_errno = errno;
    1.83  
    1.84 -      close(*psockfd);
    1.85 +			close(*psockfd);
    1.86  
    1.87 -      logwrite(LOG_WARNING, "connection to %s failed: %s\n",
    1.88 -	       inet_ntoa(saddr.sin_addr), strerror(errno));
    1.89 +			logwrite(LOG_WARNING, "connection to %s failed: %s\n", inet_ntoa(saddr.sin_addr), strerror(errno));
    1.90  
    1.91 -      errno = saved_errno;
    1.92 +			errno = saved_errno;
    1.93  
    1.94 -      if((saved_errno != ECONNREFUSED) &&
    1.95 -	 (saved_errno != ETIMEDOUT) &&
    1.96 -	 (saved_errno != ENETUNREACH) &&
    1.97 -	 (saved_errno != EHOSTUNREACH))
    1.98 -
    1.99 +			if ((saved_errno != ECONNREFUSED)
   1.100 +			    && (saved_errno != ETIMEDOUT)
   1.101 +			    && (saved_errno != ENETUNREACH)
   1.102 +			    && (saved_errno != EHOSTUNREACH))
   1.103 +				return NULL;
   1.104 +		}
   1.105 +	}
   1.106  	return NULL;
   1.107 -    }
   1.108 -  }
   1.109 -  return NULL;
   1.110  }
   1.111  
   1.112  /* Given a list of resolver functions, this function
   1.113 @@ -89,63 +85,62 @@
   1.114     if attempt failed for one it should not be tried again.
   1.115  */
   1.116  
   1.117 -mxip_addr *connect_resolvelist(int *psockfd, gchar *host, guint port,
   1.118 -			       GList *res_func_list)
   1.119 +mxip_addr*
   1.120 +connect_resolvelist(int *psockfd, gchar * host, guint port, GList * res_func_list)
   1.121  {
   1.122 -  GList *res_node;
   1.123 -  GList *addr_list;
   1.124 +	GList *res_node;
   1.125 +	GList *addr_list;
   1.126  
   1.127 -  DEBUG(5) debugf("connect_resolvelist entered\n");
   1.128 +	DEBUG(5) debugf("connect_resolvelist entered\n");
   1.129  
   1.130 -  h_errno = 0;
   1.131 +	h_errno = 0;
   1.132  
   1.133 -  if(isdigit(host[0])){
   1.134 -    mxip_addr *addr;
   1.135 -    
   1.136 -    addr_list = resolve_ip(NULL, host);
   1.137 -    if(addr_list){
   1.138 -      addr = connect_hostlist(psockfd, host, port, addr_list);
   1.139 -      g_list_free(addr_list);
   1.140 -      return addr;
   1.141 -    }
   1.142 -    /* previous versions complained, until someone tried to use a hostname
   1.143 -       out there that begins with a digit. eg. '3dwars.de'. */
   1.144 -  }
   1.145 +	if (isdigit(host[0])) {
   1.146 +		mxip_addr *addr;
   1.147  
   1.148 -  if(res_func_list == NULL){
   1.149 -    logwrite(LOG_ALERT, "res_funcs == NULL !!!\n");
   1.150 -    exit(EXIT_FAILURE);
   1.151 -  }
   1.152 +		addr_list = resolve_ip(NULL, host);
   1.153 +		if (addr_list) {
   1.154 +			addr = connect_hostlist(psockfd, host, port, addr_list);
   1.155 +			g_list_free(addr_list);
   1.156 +			return addr;
   1.157 +		}
   1.158 +		/* previous versions complained, until someone tried to use a hostname
   1.159 +		   out there that begins with a digit. eg. '3dwars.de'. */
   1.160 +	}
   1.161  
   1.162 -  foreach(res_func_list, res_node){
   1.163 -    resolve_func res_func;
   1.164 -    DEBUG(6) debugf("connect_resolvelist 1a\n");
   1.165 -    res_func = (resolve_func)(res_node->data);
   1.166 -      
   1.167 -    if(res_func == NULL){
   1.168 -      logwrite(LOG_ALERT, "res_func == NULL !!!\n");
   1.169 -      exit(EXIT_FAILURE);
   1.170 -    }
   1.171 -      
   1.172 -    errno = 0;
   1.173 -    if((addr_list = res_func(NULL, host))){
   1.174 -	
   1.175 -      mxip_addr *addr;
   1.176 -      if((addr = connect_hostlist(psockfd, host, port, addr_list)))
   1.177 -	return addr;
   1.178 +	if (res_func_list == NULL) {
   1.179 +		logwrite(LOG_ALERT, "res_funcs == NULL !!!\n");
   1.180 +		exit(EXIT_FAILURE);
   1.181 +	}
   1.182  
   1.183 -      DEBUG(5){
   1.184 -	debugf("connect_hostlist failed: %s\n", strerror(errno));
   1.185 -      }
   1.186 -	
   1.187 -      g_list_free(addr_list);
   1.188 -    }else{
   1.189 -      if(!g_list_next(res_node)){
   1.190 -	logwrite(LOG_ALERT, "could not resolve %s: %s\n", host, hstrerror(h_errno));
   1.191 -      }
   1.192 -    }
   1.193 -  }
   1.194 -  return NULL;
   1.195 +	foreach(res_func_list, res_node) {
   1.196 +		resolve_func res_func;
   1.197 +		DEBUG(6) debugf("connect_resolvelist 1a\n");
   1.198 +		res_func = (resolve_func) (res_node->data);
   1.199 +
   1.200 +		if (res_func == NULL) {
   1.201 +			logwrite(LOG_ALERT, "res_func == NULL !!!\n");
   1.202 +			exit(EXIT_FAILURE);
   1.203 +		}
   1.204 +
   1.205 +		errno = 0;
   1.206 +		if ((addr_list = res_func(NULL, host))) {
   1.207 +
   1.208 +			mxip_addr *addr;
   1.209 +			if ((addr = connect_hostlist(psockfd, host, port, addr_list)))
   1.210 +				return addr;
   1.211 +
   1.212 +			DEBUG(5) {
   1.213 +				debugf("connect_hostlist failed: %s\n", strerror(errno));
   1.214 +			}
   1.215 +
   1.216 +			g_list_free(addr_list);
   1.217 +		} else {
   1.218 +			if (!g_list_next(res_node)) {
   1.219 +				logwrite(LOG_ALERT, "could not resolve %s: %s\n", host, hstrerror(h_errno));
   1.220 +			}
   1.221 +		}
   1.222 +	}
   1.223 +	return NULL;
   1.224  
   1.225  }
   1.226 -