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authorShawn Landden <shawn@churchofgit.com>2015-03-10 04:41:59 -0700
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2015-03-10 09:00:27 -0400
commit3b1c524154c876aecebc98787975cc2943100210 (patch)
tree5e3c403a17419544bba867e24f2ecb41e01ef4c5 /src/shared
parent54bcf1557c30d97d5ac0afaba003f69e58f82376 (diff)
add REMOTE_ADDR and REMOTE_PORT for Accept=yes
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/socket-util.c76
-rw-r--r--src/shared/socket-util.h4
2 files changed, 58 insertions, 22 deletions
diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
index 74d90fa2a9..5820279a27 100644
--- a/src/shared/socket-util.c
+++ b/src/shared/socket-util.c
@@ -297,7 +297,7 @@ int socket_address_print(const SocketAddress *a, char **ret) {
return 0;
}
- return sockaddr_pretty(&a->sockaddr.sa, a->size, false, ret);
+ return sockaddr_pretty(&a->sockaddr.sa, a->size, false, true, ret);
}
bool socket_address_can_accept(const SocketAddress *a) {
@@ -466,7 +466,20 @@ bool socket_address_matches_fd(const SocketAddress *a, int fd) {
return socket_address_equal(a, &b);
}
-int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, char **ret) {
+int sockaddr_port(const struct sockaddr *_sa) {
+ union sockaddr_union *sa = (union sockaddr_union*) _sa;
+
+ assert(sa);
+
+ if (!IN_SET(sa->sa.sa_family, AF_INET, AF_INET6))
+ return -EAFNOSUPPORT;
+
+ return ntohs(sa->sa.sa_family == AF_INET6 ?
+ sa->in6.sin6_port :
+ sa->in.sin_port);
+}
+
+int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, bool include_port, char **ret) {
union sockaddr_union *sa = (union sockaddr_union*) _sa;
char *p;
@@ -480,11 +493,18 @@ int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_
a = ntohl(sa->in.sin_addr.s_addr);
- if (asprintf(&p,
- "%u.%u.%u.%u:%u",
- a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
- ntohs(sa->in.sin_port)) < 0)
- return -ENOMEM;
+ if (include_port) {
+ if (asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
+ ntohs(sa->in.sin_port)) < 0)
+ return -ENOMEM;
+ } else {
+ if (asprintf(&p,
+ "%u.%u.%u.%u",
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF) < 0)
+ return -ENOMEM;
+ }
break;
}
@@ -496,20 +516,34 @@ int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_
if (translate_ipv6 && memcmp(&sa->in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) {
const uint8_t *a = sa->in6.sin6_addr.s6_addr+12;
-
- if (asprintf(&p,
- "%u.%u.%u.%u:%u",
- a[0], a[1], a[2], a[3],
- ntohs(sa->in6.sin6_port)) < 0)
- return -ENOMEM;
+ if (include_port) {
+ if (asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a[0], a[1], a[2], a[3],
+ ntohs(sa->in6.sin6_port)) < 0)
+ return -ENOMEM;
+ } else {
+ if (asprintf(&p,
+ "%u.%u.%u.%u",
+ a[0], a[1], a[2], a[3]) < 0)
+ return -ENOMEM;
+ }
} else {
char a[INET6_ADDRSTRLEN];
- if (asprintf(&p,
- "[%s]:%u",
- inet_ntop(AF_INET6, &sa->in6.sin6_addr, a, sizeof(a)),
- ntohs(sa->in6.sin6_port)) < 0)
- return -ENOMEM;
+ inet_ntop(AF_INET6, &sa->in6.sin6_addr, a, sizeof(a));
+
+ if (include_port) {
+ if (asprintf(&p,
+ "[%s]:%u",
+ a,
+ ntohs(sa->in6.sin6_port)) < 0)
+ return -ENOMEM;
+ } else {
+ p = strdup(a);
+ if (!p)
+ return -ENOMEM;
+ }
}
break;
@@ -584,7 +618,7 @@ int getpeername_pretty(int fd, char **ret) {
/* For remote sockets we translate IPv6 addresses back to IPv4
* if applicable, since that's nicer. */
- return sockaddr_pretty(&sa.sa, salen, true, ret);
+ return sockaddr_pretty(&sa.sa, salen, true, true, ret);
}
int getsockname_pretty(int fd, char **ret) {
@@ -602,7 +636,7 @@ int getsockname_pretty(int fd, char **ret) {
* listening sockets where the difference between IPv4 and
* IPv6 matters. */
- return sockaddr_pretty(&sa.sa, salen, false, ret);
+ return sockaddr_pretty(&sa.sa, salen, false, true, ret);
}
int socknameinfo_pretty(union sockaddr_union *sa, socklen_t salen, char **_ret) {
@@ -616,7 +650,7 @@ int socknameinfo_pretty(union sockaddr_union *sa, socklen_t salen, char **_ret)
if (r != 0) {
int saved_errno = errno;
- r = sockaddr_pretty(&sa->sa, salen, true, &ret);
+ r = sockaddr_pretty(&sa->sa, salen, true, true, &ret);
if (r < 0)
return log_error_errno(r, "sockadd_pretty() failed: %m");
diff --git a/src/shared/socket-util.h b/src/shared/socket-util.h
index 2d2b902369..1f4823009e 100644
--- a/src/shared/socket-util.h
+++ b/src/shared/socket-util.h
@@ -97,7 +97,9 @@ const char* socket_address_get_path(const SocketAddress *a);
bool socket_ipv6_is_supported(void);
-int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, char **ret);
+int sockaddr_port(const struct sockaddr *_sa) _pure_;
+
+int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_ipv6, bool include_port, char **ret);
int getpeername_pretty(int fd, char **ret);
int getsockname_pretty(int fd, char **ret);