X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fsocket-util.c;h=4a6bf50b17e9f91f274fab7e8236270378e781d6;hp=c31f60ec7ea58a8f269266dae4ac5e6d704e1430;hb=d8d5781c1eb031477670facc132e198f8fddd56c;hpb=dbafedacba3ee77098e932222ae7840e7b4040fc
diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
index c31f60ec7..4a6bf50b1 100644
--- a/src/shared/socket-util.c
+++ b/src/shared/socket-util.c
@@ -19,24 +19,19 @@
along with systemd; If not, see .
***/
-#include
#include
#include
#include
-#include
#include
#include
#include
#include
-#include
#include
-#include
#include
#include "macro.h"
-#include "util.h"
-#include "mkdir.h"
#include "path-util.h"
+#include "util.h"
#include "socket-util.h"
#include "missing.h"
#include "fileio.h"
@@ -302,7 +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) {
@@ -349,6 +344,10 @@ bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) {
break;
case AF_UNIX:
+ if (a->size <= offsetof(struct sockaddr_un, sun_path) ||
+ b->size <= offsetof(struct sockaddr_un, sun_path))
+ return false;
+
if ((a->sockaddr.un.sun_path[0] == 0) != (b->sockaddr.un.sun_path[0] == 0))
return false;
@@ -464,28 +463,26 @@ bool socket_address_matches_fd(const SocketAddress *a, int fd) {
return false;
}
- switch (b.sockaddr.sa.sa_family) {
-
- case AF_INET:
- return b.sockaddr.in.sin_port == a->sockaddr.in.sin_port &&
- b.sockaddr.in.sin_addr.s_addr == a->sockaddr.in.sin_addr.s_addr;
+ return socket_address_equal(a, &b);
+}
- case AF_INET6:
- return b.sockaddr.in6.sin6_port == a->sockaddr.in6.sin6_port &&
- memcmp(&b.sockaddr.in6.sin6_addr, &a->sockaddr.in6.sin6_addr, sizeof(struct in6_addr)) == 0;
+int sockaddr_port(const struct sockaddr *_sa) {
+ union sockaddr_union *sa = (union sockaddr_union*) _sa;
- case AF_UNIX:
- return b.sockaddr.size == a->size &&
- memcmp(b.sockaddr.un.sun_path, a->sockaddr.un.sun_path, b.size - offsetof(struct sockaddr_un, sun_path)) == 0;
+ assert(sa);
- }
+ if (!IN_SET(sa->sa.sa_family, AF_INET, AF_INET6))
+ return -EAFNOSUPPORT;
- return false;
+ 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, char **ret) {
+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;
+ int r;
assert(sa);
assert(salen >= sizeof(sa->sa.sa_family));
@@ -497,12 +494,17 @@ 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)
+ if (include_port)
+ r = asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF,
+ ntohs(sa->in.sin_port));
+ else
+ r = asprintf(&p,
+ "%u.%u.%u.%u",
+ a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF);
+ if (r < 0)
return -ENOMEM;
-
break;
}
@@ -511,22 +513,37 @@ int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF
};
- if (translate_ipv6 && memcmp(&sa->in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) {
+ 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)
+ if (include_port)
+ r = asprintf(&p,
+ "%u.%u.%u.%u:%u",
+ a[0], a[1], a[2], a[3],
+ ntohs(sa->in6.sin6_port));
+ else
+ r = asprintf(&p,
+ "%u.%u.%u.%u",
+ a[0], a[1], a[2], a[3]);
+ if (r < 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) {
+ r = asprintf(&p,
+ "[%s]:%u",
+ a,
+ ntohs(sa->in6.sin6_port));
+ if (r < 0)
+ return -ENOMEM;
+ } else {
+ p = strdup(a);
+ if (!p)
+ return -ENOMEM;
+ }
}
break;
@@ -563,7 +580,7 @@ int sockaddr_pretty(const struct sockaddr *_sa, socklen_t salen, bool translate_
break;
default:
- return -ENOTSUP;
+ return -EOPNOTSUPP;
}
@@ -601,7 +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) {
@@ -619,7 +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) {
@@ -633,7 +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");