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[master] strdup journal filename

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3646.	[bug]		Journal filename string could be set incorrectly,
                        causing garbage in log messages.  [RT #34738]
This commit is contained in:
Evan Hunt
2013-09-09 22:12:47 -07:00
parent 78f20eda3c
commit 18df9e628e
2 changed files with 12 additions and 3 deletions
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3
CHANGES
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@@ -1,3 +1,6 @@
3646. [bug] Journal filename string could be set incorrectly,
causing garbage in log messages. [RT #34738]
--- 9.10.0a1 released -- --- 9.10.0a1 released --
3645. [protocol] Use case sensitive compression when responding to 3645. [protocol] Use case sensitive compression when responding to

12
lib/dns/journal.c
View File

@@ -307,7 +307,7 @@ struct dns_journal {
unsigned int magic; /*%< JOUR */ unsigned int magic; /*%< JOUR */
isc_mem_t *mctx; /*%< Memory context */ isc_mem_t *mctx; /*%< Memory context */
journal_state_t state; journal_state_t state;
const char *filename; /*%< Journal file name */ char *filename; /*%< Journal file name */
FILE * fp; /*%< File handle */ FILE * fp; /*%< File handle */
isc_offset_t offset; /*%< Current file offset */ isc_offset_t offset; /*%< Current file offset */
journal_header_t header; /*%< In-core journal header */ journal_header_t header; /*%< In-core journal header */
@@ -573,10 +573,13 @@ journal_open(isc_mem_t *mctx, const char *filename, isc_boolean_t write,
isc_mem_attach(mctx, &j->mctx); isc_mem_attach(mctx, &j->mctx);
j->state = JOURNAL_STATE_INVALID; j->state = JOURNAL_STATE_INVALID;
j->fp = NULL; j->fp = NULL;
j->filename = filename; j->filename = isc_mem_strdup(mctx, filename);
j->index = NULL; j->index = NULL;
j->rawindex = NULL; j->rawindex = NULL;
if (j->filename == NULL)
FAIL(ISC_R_NOMEMORY);
result = isc_stdio_open(j->filename, write ? "rb+" : "rb", &fp); result = isc_stdio_open(j->filename, write ? "rb+" : "rb", &fp);
if (result == ISC_R_FILENOTFOUND) { if (result == ISC_R_FILENOTFOUND) {
@@ -679,6 +682,8 @@ journal_open(isc_mem_t *mctx, const char *filename, isc_boolean_t write,
sizeof(journal_rawpos_t)); sizeof(journal_rawpos_t));
j->index = NULL; j->index = NULL;
} }
if (j->filename != NULL)
isc_mem_free(j->mctx, j->filename);
if (j->fp != NULL) if (j->fp != NULL)
(void)isc_stdio_close(j->fp); (void)isc_stdio_close(j->fp);
isc_mem_putanddetach(&j->mctx, j, sizeof(*j)); isc_mem_putanddetach(&j->mctx, j, sizeof(*j));
@@ -1242,7 +1247,8 @@ dns_journal_destroy(dns_journal_t **journalp) {
isc_mem_put(j->mctx, j->it.target.base, j->it.target.length); isc_mem_put(j->mctx, j->it.target.base, j->it.target.length);
if (j->it.source.base != NULL) if (j->it.source.base != NULL)
isc_mem_put(j->mctx, j->it.source.base, j->it.source.length); isc_mem_put(j->mctx, j->it.source.base, j->it.source.length);
if (j->filename != NULL)
isc_mem_free(j->mctx, j->filename);
if (j->fp != NULL) if (j->fp != NULL)
(void)isc_stdio_close(j->fp); (void)isc_stdio_close(j->fp);
j->magic = 0; j->magic = 0;