X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnetutl.c;h=4e58911cb46f12dbd52f5494d17dec443124561a;hb=87f96aec8c48327d879c20ff2b789c88a675173d;hp=a9ad17ce016c8c27277251a3bf4b74989aa418f6;hpb=ab13c14a1480561bb9f59ccfbbd6045e0484ce9c;p=tinc diff --git a/src/netutl.c b/src/netutl.c index a9ad17ce..4e58911c 100644 --- a/src/netutl.c +++ b/src/netutl.c @@ -84,20 +84,28 @@ void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) { int err; if(sa->sa.sa_family == AF_UNSPEC) { - if(addrstr) + if(addrstr) { *addrstr = xstrdup("unspec"); - if(portstr) + } + + if(portstr) { *portstr = xstrdup("unspec"); + } + return; } else if(sa->sa.sa_family == AF_UNKNOWN) { - if(addrstr) + if(addrstr) { *addrstr = xstrdup(sa->unknown.address); - if(portstr) + } + + if(portstr) { *portstr = xstrdup(sa->unknown.port); + } + return; } - err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof address, port, sizeof port, NI_NUMERICHOST | NI_NUMERICSERV); + err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof(address), port, sizeof(port), NI_NUMERICHOST | NI_NUMERICSERV); if(err) { logger(DEBUG_ALWAYS, LOG_ERR, "Error while translating addresses: %s", err == EAI_SYSTEM ? strerror(errno) : gai_strerror(err)); @@ -106,13 +114,17 @@ void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) { scopeid = strchr(address, '%'); - if(scopeid) - *scopeid = '\0'; /* Descope. */ + if(scopeid) { + *scopeid = '\0'; /* Descope. */ + } - if(addrstr) + if(addrstr) { *addrstr = xstrdup(address); - if(portstr) + } + + if(portstr) { *portstr = xstrdup(port); + } } char *sockaddr2hostname(const sockaddr_t *sa) { @@ -129,8 +141,9 @@ char *sockaddr2hostname(const sockaddr_t *sa) { return str; } - err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof address, port, sizeof port, - hostnames ? 0 : (NI_NUMERICHOST | NI_NUMERICSERV)); + err = getnameinfo(&sa->sa, SALEN(sa->sa), address, sizeof(address), port, sizeof(port), + hostnames ? 0 : (NI_NUMERICHOST | NI_NUMERICSERV)); + if(err) { logger(DEBUG_ALWAYS, LOG_ERR, "Error while looking up hostname: %s", err == EAI_SYSTEM ? strerror(errno) : gai_strerror(err)); } @@ -145,26 +158,27 @@ int sockaddrcmp_noport(const sockaddr_t *a, const sockaddr_t *b) { result = a->sa.sa_family - b->sa.sa_family; - if(result) + if(result) { return result; + } - switch (a->sa.sa_family) { - case AF_UNSPEC: - return 0; + switch(a->sa.sa_family) { + case AF_UNSPEC: + return 0; - case AF_UNKNOWN: - return strcmp(a->unknown.address, b->unknown.address); + case AF_UNKNOWN: + return strcmp(a->unknown.address, b->unknown.address); - case AF_INET: - return memcmp(&a->in.sin_addr, &b->in.sin_addr, sizeof(a->in.sin_addr)); + case AF_INET: + return memcmp(&a->in.sin_addr, &b->in.sin_addr, sizeof(a->in.sin_addr)); - case AF_INET6: - return memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof(a->in6.sin6_addr)); + case AF_INET6: + return memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof(a->in6.sin6_addr)); - default: - logger(DEBUG_ALWAYS, LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!", - a->sa.sa_family); - abort(); + default: + logger(DEBUG_ALWAYS, LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!", + a->sa.sa_family); + abort(); } } @@ -173,41 +187,45 @@ int sockaddrcmp(const sockaddr_t *a, const sockaddr_t *b) { result = a->sa.sa_family - b->sa.sa_family; - if(result) + if(result) { return result; + } - switch (a->sa.sa_family) { - case AF_UNSPEC: - return 0; + switch(a->sa.sa_family) { + case AF_UNSPEC: + return 0; - case AF_UNKNOWN: - result = strcmp(a->unknown.address, b->unknown.address); + case AF_UNKNOWN: + result = strcmp(a->unknown.address, b->unknown.address); - if(result) - return result; + if(result) { + return result; + } - return strcmp(a->unknown.port, b->unknown.port); + return strcmp(a->unknown.port, b->unknown.port); - case AF_INET: - result = memcmp(&a->in.sin_addr, &b->in.sin_addr, sizeof a->in.sin_addr); + case AF_INET: + result = memcmp(&a->in.sin_addr, &b->in.sin_addr, sizeof(a->in.sin_addr)); - if(result) - return result; + if(result) { + return result; + } - return memcmp(&a->in.sin_port, &b->in.sin_port, sizeof a->in.sin_port); + return memcmp(&a->in.sin_port, &b->in.sin_port, sizeof(a->in.sin_port)); - case AF_INET6: - result = memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof a->in6.sin6_addr); + case AF_INET6: + result = memcmp(&a->in6.sin6_addr, &b->in6.sin6_addr, sizeof(a->in6.sin6_addr)); - if(result) - return result; + if(result) { + return result; + } - return memcmp(&a->in6.sin6_port, &b->in6.sin6_port, sizeof a->in6.sin6_port); + return memcmp(&a->in6.sin6_port, &b->in6.sin6_port, sizeof(a->in6.sin6_port)); - default: - logger(DEBUG_ALWAYS, LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!", - a->sa.sa_family); - abort(); + default: + logger(DEBUG_ALWAYS, LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!", + a->sa.sa_family); + abort(); } } @@ -237,19 +255,25 @@ void sockaddrunmap(sockaddr_t *sa) { void sockaddr_setport(sockaddr_t *sa, const char *port) { uint16_t portnum = htons(atoi(port)); - if(!portnum) + + if(!portnum) { return; + } + switch(sa->sa.sa_family) { - case AF_INET: - sa->in.sin_port = portnum; - break; - case AF_INET6: - sa->in6.sin6_port = portnum; - break; - case AF_UNKNOWN: - free(sa->unknown.port); - sa->unknown.port = xstrdup(port); - default: - return; + case AF_INET: + sa->in.sin_port = portnum; + break; + + case AF_INET6: + sa->in6.sin6_port = portnum; + break; + + case AF_UNKNOWN: + free(sa->unknown.port); + sa->unknown.port = xstrdup(port); + + default: + return; } }