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From da4f4b5c330ad648c9ca9c33e1f0e65148042c12 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 6 Jun 2015 21:36:52 -0400
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Subject: [PATCH] journald: simplify context handling
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By using our homegrown function we can dispense with all the iffdefery.
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Cherry-picked from: 2de56f7
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Related: #1230190
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---
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src/journal/journald-stream.c | 29 ++++++++---------------------
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1 file changed, 8 insertions(+), 21 deletions(-)
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diff --git a/src/journal/journald-stream.c b/src/journal/journald-stream.c
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index 11b852d..15a554c 100644
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--- a/src/journal/journald-stream.c
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+++ b/src/journal/journald-stream.c
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@@ -57,10 +57,7 @@ struct StdoutStream {
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int fd;
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struct ucred ucred;
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-#ifdef HAVE_SELINUX
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- security_context_t security_context;
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-#endif
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-
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+ char *label;
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char *identifier;
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char *unit_id;
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int priority;
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@@ -84,8 +81,7 @@ static int stdout_stream_log(StdoutStream *s, const char *p) {
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char syslog_facility[sizeof("SYSLOG_FACILITY=")-1 + DECIMAL_STR_MAX(int) + 1];
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_cleanup_free_ char *message = NULL, *syslog_identifier = NULL;
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unsigned n = 0;
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- char *label = NULL;
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- size_t label_len = 0;
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+ size_t label_len;
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assert(s);
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assert(p);
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@@ -130,14 +126,8 @@ static int stdout_stream_log(StdoutStream *s, const char *p) {
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if (message)
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IOVEC_SET_STRING(iovec[n++], message);
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-#ifdef HAVE_SELINUX
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- if (s->security_context) {
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- label = (char*) s->security_context;
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- label_len = strlen((char*) s->security_context);
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- }
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-#endif
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-
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- server_dispatch_message(s->server, iovec, n, ELEMENTSOF(iovec), &s->ucred, NULL, label, label_len, s->unit_id, priority, 0);
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+ label_len = s->label ? strlen(s->label) : 0;
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+ server_dispatch_message(s->server, iovec, n, ELEMENTSOF(iovec), &s->ucred, NULL, s->label, label_len, s->unit_id, priority, 0);
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return 0;
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}
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@@ -343,11 +333,7 @@ void stdout_stream_free(StdoutStream *s) {
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safe_close(s->fd);
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-#ifdef HAVE_SELINUX
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- if (s->security_context)
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- freecon(s->security_context);
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-#endif
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-
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+ free(s->label);
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free(s->identifier);
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free(s->unit_id);
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free(s);
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@@ -396,8 +382,9 @@ static int stdout_stream_new(sd_event_source *es, int listen_fd, uint32_t revent
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#ifdef HAVE_SELINUX
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if (mac_selinux_use()) {
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- if (getpeercon(fd, &stream->security_context) < 0 && errno != ENOPROTOOPT)
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- log_error_errno(errno, "Failed to determine peer security context: %m");
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+ r = getpeersec(fd, &stream->label);
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+ if (r < 0 && r != -EOPNOTSUPP)
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+ (void) log_warning_errno(r, "Failed to determine peer security context: %m");
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}
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#endif
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