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authorTim Prouty <tprouty@samba.org>2009-02-24 14:45:46 -0800
committerTim Prouty <tprouty@samba.org>2009-02-25 13:57:11 -0800
commit7f33b947e3c770f96f46fc9466376cd3c7825cd4 (patch)
tree6b85903860d4c40ce1cf75fc0dd44064f118bbb2 /source3/lib
parent01493737c88c0056ca3da5faf43b7bc9b9a2fbcb (diff)
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s3: Refactor and cleanup the error paths in dump_core_setup
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/fault.c91
1 files changed, 49 insertions, 42 deletions
diff --git a/source3/lib/fault.c b/source3/lib/fault.c
index 8c4a45bbc9..cf5a94b6bd 100644
--- a/source3/lib/fault.c
+++ b/source3/lib/fault.c
@@ -87,6 +87,47 @@ void fault_setup(void (*fn)(void *))
#endif
}
+/**
+ * Build up the default corepath as "<logbase>/cores/<progname>"
+ */
+static char *get_default_corepath(const char *logbase, const char *progname)
+{
+ char *tmp_corepath;
+
+ /* Setup core dir in logbase. */
+ tmp_corepath = talloc_asprintf(NULL, "%s/cores", logbase);
+ if (!tmp_corepath)
+ return NULL;
+
+ if ((mkdir(tmp_corepath, 0700) == -1) && errno != EEXIST)
+ goto err_out;
+
+ if (chmod(tmp_corepath, 0700) == -1)
+ goto err_out;
+
+ talloc_free(tmp_corepath);
+
+ /* Setup progname-specific core subdir */
+ tmp_corepath = talloc_asprintf(NULL, "%s/cores/%s", logbase, progname);
+ if (!tmp_corepath)
+ return NULL;
+
+ if (mkdir(tmp_corepath, 0700) == -1 && errno != EEXIST)
+ goto err_out;
+
+ if (chown(tmp_corepath, getuid(), getgid()) == -1)
+ goto err_out;
+
+ if (chmod(tmp_corepath, 0700) == -1)
+ goto err_out;
+
+ return tmp_corepath;
+
+ err_out:
+ talloc_free(tmp_corepath);
+ return NULL;
+}
+
/*******************************************************************
make all the preparations to safely dump a core file
********************************************************************/
@@ -104,7 +145,7 @@ void dump_core_setup(const char *progname)
*end = '\0';
}
} else {
- /* We will end up here is the log file is given on the command
+ /* We will end up here if the log file is given on the command
* line by the -l option but the "log file" option is not set
* in smb.conf.
*/
@@ -115,49 +156,13 @@ void dump_core_setup(const char *progname)
SMB_ASSERT(progname != NULL);
- if (asprintf(&corepath, "%s/cores", logbase) < 0) {
- SAFE_FREE(logbase);
- return;
- }
- if (mkdir(corepath,0700) == -1) {
- if (errno != EEXIST) {
- SAFE_FREE(corepath);
- SAFE_FREE(logbase);
- return;
- }
- }
- if (chmod(corepath,0700) == -1) {
- SAFE_FREE(corepath);
- SAFE_FREE(logbase);
- return;
+ corepath = get_default_corepath(logbase, progname);
+ if (!corepath) {
+ DEBUG(0, ("Unable to setup corepath for %s: %s\n", progname,
+ strerror(errno)));
+ goto out;
}
- SAFE_FREE(corepath);
- if (asprintf(&corepath, "%s/cores/%s",
- logbase, progname) < 0) {
- SAFE_FREE(logbase);
- return;
- }
- if (mkdir(corepath,0700) == -1) {
- if (errno != EEXIST) {
- SAFE_FREE(corepath);
- SAFE_FREE(logbase);
- return;
- }
- }
-
- if (chown(corepath,getuid(),getgid()) == -1) {
- SAFE_FREE(corepath);
- SAFE_FREE(logbase);
- return;
- }
- if (chmod(corepath,0700) == -1) {
- SAFE_FREE(corepath);
- SAFE_FREE(logbase);
- return;
- }
-
- SAFE_FREE(logbase);
#ifdef HAVE_GETRLIMIT
#ifdef RLIMIT_CORE
@@ -184,6 +189,8 @@ void dump_core_setup(const char *progname)
/* FIXME: if we have a core-plus-pid facility, configurably set
* this up here.
*/
+ out:
+ SAFE_FREE(logbase);
}
void dump_core(void)