mirror of
https://github.com/SebastianWendel/nixpkgs.git
synced 2024-11-06 02:06:46 +01:00
81 lines
2.5 KiB
Diff
81 lines
2.5 KiB
Diff
Description: systemd-like socket activation support for libmilter
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Author: Mikhail Gusarov <dottedmag@debian.org
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diff --git a/libmilter/docs/smfi_setconn.html b/libmilter/docs/smfi_setconn.html
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index 70a510e..013f04e 100644
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--- a/libmilter/docs/smfi_setconn.html
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+++ b/libmilter/docs/smfi_setconn.html
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@@ -43,6 +43,7 @@ Set the socket through which this filter should communicate with sendmail.
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<LI><CODE>{unix|local}:/path/to/file</CODE> -- A named pipe.
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<LI><CODE>inet:port@{hostname|ip-address}</CODE> -- An IPV4 socket.
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<LI><CODE>inet6:port@{hostname|ip-address}</CODE> -- An IPV6 socket.
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+ <LI><CODE>fd:number</CODE> -- Pre-opened file descriptor.
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</UL>
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</TD></TR>
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</TABLE>
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diff --git a/libmilter/listener.c b/libmilter/listener.c
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index 48c552f..2249a1f 100644
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--- a/libmilter/listener.c
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+++ b/libmilter/listener.c
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@@ -197,6 +197,11 @@ mi_milteropen(conn, backlog, rmsocket, name)
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L_socksize = sizeof addr.sin6;
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}
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#endif /* NETINET6 */
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+ else if (strcasecmp(p, "fd") == 0)
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+ {
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+ addr.sa.sa_family = AF_UNSPEC;
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+ L_socksize = sizeof (_SOCK_ADDR);
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+ }
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else
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{
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smi_log(SMI_LOG_ERR, "%s: unknown socket type %s",
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@@ -443,7 +448,21 @@ mi_milteropen(conn, backlog, rmsocket, name)
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}
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#endif /* NETINET || NETINET6 */
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- sock = socket(addr.sa.sa_family, SOCK_STREAM, 0);
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+ if (addr.sa.sa_family == AF_UNSPEC)
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+ {
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+ char *end;
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+ sock = strtol(colon, &end, 10);
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+ if (*end != '\0' || sock < 0)
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+ {
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+ smi_log(SMI_LOG_ERR, "%s: expected positive integer as fd, got %s", name, colon);
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+ return INVALID_SOCKET;
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+ }
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+ }
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+ else
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+ {
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+ sock = socket(addr.sa.sa_family, SOCK_STREAM, 0);
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+ }
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+
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if (!ValidSocket(sock))
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{
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smi_log(SMI_LOG_ERR,
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@@ -466,6 +485,7 @@ mi_milteropen(conn, backlog, rmsocket, name)
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#if NETUNIX
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addr.sa.sa_family != AF_UNIX &&
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#endif /* NETUNIX */
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+ addr.sa.sa_family != AF_UNSPEC &&
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setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *) &sockopt,
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sizeof(sockopt)) == -1)
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{
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@@ -511,7 +531,8 @@ mi_milteropen(conn, backlog, rmsocket, name)
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}
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#endif /* NETUNIX */
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- if (bind(sock, &addr.sa, L_socksize) < 0)
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+ if (addr.sa.sa_family != AF_UNSPEC &&
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+ bind(sock, &addr.sa, L_socksize) < 0)
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{
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smi_log(SMI_LOG_ERR,
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"%s: Unable to bind to port %s: %s",
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@@ -817,7 +838,7 @@ mi_listener(conn, dbg, smfi, timeout, backlog)
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# ifdef BSD4_4_SOCKADDR
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cliaddr.sa.sa_len == 0 ||
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# endif /* BSD4_4_SOCKADDR */
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- cliaddr.sa.sa_family != L_family))
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+ (L_family != AF_UNSPEC && cliaddr.sa.sa_family != L_family)))
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{
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(void) closesocket(connfd);
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connfd = INVALID_SOCKET;
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