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From 4bba01e5bc60b4827a007f7d401b1e34f0944b70 Mon Sep 17 00:00:00 2001
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From: Jakub Filak <jfilak@redhat.com>
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Date: Fri, 26 Aug 2016 12:22:24 +0200
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Subject: [PATCH] daemon: send base names from abrt-server to abrtd
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The /creation_notification method accepts arbitrary file system path and
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it might cause abrtd some troubles if the path is not in canonical form.
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ABRT enforces the notified paths to be directories in /var/spool/abrt
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but ignores number of slash occurrences as it is not security relevant.
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Switching to base names will assure that the problems associated with file
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system path forms will be gone and no new problems will be introduced.
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The other option is to use realpath() but this function resolves
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symbolic links and if /var/spool is a symbolic link, we will be in
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trouble.
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Related: rhbz#1132459
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Signed-off-by: Jakub Filak <jfilak@redhat.com>
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---
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src/daemon/abrt-server.c | 2 +-
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src/daemon/abrtd.c | 6 +++---
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2 files changed, 4 insertions(+), 4 deletions(-)
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diff --git a/src/daemon/abrt-server.c b/src/daemon/abrt-server.c
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index 9a1361b..76186db 100644
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--- a/src/daemon/abrt-server.c
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+++ b/src/daemon/abrt-server.c
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@@ -273,7 +273,7 @@ static int run_post_create(const char *dirname)
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log_debug("Creating glib main loop");
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struct waiting_context context = {0};
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context.main_loop = g_main_loop_new(NULL, FALSE);
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- context.dirname = dirname;
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+ context.dirname = strrchr(dirname, '/') + 1;
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log_debug("Setting up a signal handler");
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/* Set up signal pipe */
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diff --git a/src/daemon/abrtd.c b/src/daemon/abrtd.c
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index ff0565c..fc4f01e 100644
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--- a/src/daemon/abrtd.c
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+++ b/src/daemon/abrtd.c
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@@ -174,16 +174,15 @@ static void queue_post_craete_process(struct abrt_server_proc *proc)
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&& worst_dir)
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{
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const char *kind = "old";
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- char *deleted = concat_path_file(g_settings_dump_location, worst_dir);
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GList *proc_of_deleted_item = NULL;
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- if (proc != NULL && strcmp(deleted, proc->dirname) == 0)
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+ if (proc != NULL && strcmp(worst_dir, proc->dirname) == 0)
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{
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kind = "new";
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stop_abrt_server(proc);
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proc = NULL;
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}
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- else if ((proc_of_deleted_item = g_list_find_custom(s_dir_queue, deleted, (GCompareFunc)abrt_server_compare_dirname)))
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+ else if ((proc_of_deleted_item = g_list_find_custom(s_dir_queue, worst_dir, (GCompareFunc)abrt_server_compare_dirname)))
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{
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kind = "unprocessed";
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struct abrt_server_proc *removed_proc = (struct abrt_server_proc *)proc_of_deleted_item->data;
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@@ -195,6 +194,7 @@ static void queue_post_craete_process(struct abrt_server_proc *proc)
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g_settings_dump_location, g_settings_nMaxCrashReportsSize,
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kind, worst_dir);
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+ char *deleted = concat_path_file(g_settings_dump_location, worst_dir);
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free(worst_dir);
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worst_dir = NULL;
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--
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1.8.3.1
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