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authorGerald Carter <jerry@samba.org>2004-01-14 19:12:06 +0000
committerGerald Carter <jerry@samba.org>2004-01-14 19:12:06 +0000
commite7615b5776604af23592ed26dc0aa3ae0076835e (patch)
tree9db9b110a05be5cb7049932e215f77fa242ebee7 /source3
parent1dce4ebed861a6dfbd19da20601d92bc9be3484a (diff)
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bug 660; using byte order safe macros (or tdb_unpack) when reading 2 or 4 byte values from a tdb buffer
(This used to be commit be9f25bea94415af6b631a9c6e7af28d9d6e6565)
Diffstat (limited to 'source3')
-rw-r--r--source3/printing/printing.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/source3/printing/printing.c b/source3/printing/printing.c
index bdcd950450..ae7291bfc7 100644
--- a/source3/printing/printing.c
+++ b/source3/printing/printing.c
@@ -71,7 +71,7 @@ uint16 pjobid_to_rap(int snum, uint32 jobid)
key.dsize = sizeof(jinfo);
data = tdb_fetch(rap_tdb, key);
if (data.dptr && data.dsize == sizeof(uint16)) {
- memcpy(&rap_jobid, data.dptr, sizeof(uint16));
+ rap_jobid = SVAL(data.dptr, 0);
SAFE_FREE(data.dptr);
DEBUG(10,("pjobid_to_rap: jobid %u maps to RAP jobid %u\n",
(unsigned int)jobid,
@@ -149,7 +149,7 @@ static void rap_jobid_delete(int snum, uint32 jobid)
DEBUG(10,("rap_jobid_delete: deleting jobid %u\n",
(unsigned int)jobid ));
- memcpy(&rap_jobid, data.dptr, sizeof(uint16));
+ rap_jobid = SVAL(data.dptr, 0);
SAFE_FREE(data.dptr);
data.dptr = (char *)&rap_jobid;
data.dsize = sizeof(rap_jobid);
@@ -615,7 +615,7 @@ static void print_unix_job(int snum, print_queue_struct *q, uint32 jobid)
pj.spooled = True;
fstrcpy(pj.filename, old_pj ? old_pj->filename : "");
if (jobid < UNIX_JOB_START) {
- pj.smbjob = (old_pj != NULL ? True : False);
+ pj.smbjob = True;
fstrcpy(pj.jobname, old_pj ? old_pj->jobname : "Remote Downlevel Document");
} else {
pj.smbjob = False;
@@ -648,7 +648,7 @@ static int traverse_fn_delete(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void
if ( key.dsize != sizeof(jobid) )
return 0;
- memcpy(&jobid, key.dptr, sizeof(jobid));
+ jobid = IVAL(key.dptr, 0);
if ( unpack_pjob( data.dptr, data.dsize, &pjob ) == -1 )
return 0;
free_nt_devicemode( &pjob.nt_devmode );
@@ -775,7 +775,7 @@ static pid_t get_updating_pid(fstring printer_name)
return (pid_t)-1;
}
- memcpy(&updating_pid, data.dptr, sizeof(pid_t));
+ updating_pid = IVAL(data.dptr, 0);
SAFE_FREE(data.dptr);
if (process_exists(updating_pid))
@@ -921,7 +921,7 @@ static void check_job_changed(int snum, TDB_DATA data, uint32 jobid)
for (i = 0; i < job_count; i++) {
uint32 ch_jobid;
- memcpy(&ch_jobid, data.dptr + (i*4), 4);
+ ch_jobid = IVAL(data.dptr, i*4);
if (ch_jobid == jobid)
remove_from_jobs_changed(snum, jobid);
}
@@ -1407,7 +1407,7 @@ static BOOL remove_from_jobs_changed(int snum, uint32 jobid)
for (i = 0; i < job_count; i++) {
uint32 ch_jobid;
- memcpy(&ch_jobid, data.dptr + (i*4), 4);
+ ch_jobid = IVAL(data.dptr, i*4);
if (ch_jobid == jobid) {
if (i < job_count -1 )
memmove(data.dptr + (i*4), data.dptr + (i*4) + 4, (job_count - i - 1)*4 );
@@ -1754,6 +1754,8 @@ static int get_queue_status(int snum, print_status_struct *status)
data = tdb_fetch(pdb->tdb, key);
if (data.dptr) {
if (data.dsize == sizeof(print_status_struct))
+ /* this memcpy is ok since the status struct was
+ not packed before storing it in the tdb */
memcpy(status, data.dptr, sizeof(print_status_struct));
SAFE_FREE(data.dptr);
}
@@ -2124,12 +2126,10 @@ static BOOL get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
/* Get the stored queue data. */
data = tdb_fetch(pdb->tdb, key);
-
- if (data.dptr == NULL || data.dsize < 4)
- qcount = 0;
- else
- memcpy(&qcount, data.dptr, 4);
-
+
+ if (data.dptr && data.dsize >= sizeof(qcount))
+ len += tdb_unpack(data.dptr + len, data.dsize - len, "d", &qcount);
+
/* Get the changed jobs list. */
key.dptr = "INFO/jobs_changed";
key.dsize = strlen(key.dptr);
@@ -2148,10 +2148,10 @@ static BOOL get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
goto out;
/* Retrieve the linearised queue data. */
- len = 0;
+
for( i = 0; i < qcount; i++) {
uint32 qjob, qsize, qpage_count, qstatus, qpriority, qtime;
- len += tdb_unpack(data.dptr + 4 + len, data.dsize - len, "ddddddff",
+ len += tdb_unpack(data.dptr + len, data.dsize - len, "ddddddff",
&qjob,
&qsize,
&qpage_count,
@@ -2175,7 +2175,7 @@ static BOOL get_stored_queue_info(struct tdb_print_db *pdb, int snum, int *pcoun
uint32 jobid;
struct printjob *pjob;
- memcpy(&jobid, &cgdata.dptr[i*4], 4);
+ jobid = IVAL(&cgdata.dptr, i*4);
DEBUG(5,("get_stored_queue_info: changed job = %u\n", (unsigned int)jobid));
pjob = print_job_find(snum, jobid);
if (!pjob) {
@@ -2260,6 +2260,8 @@ int print_queue_status(int snum,
data = tdb_fetch(pdb->tdb, key);
if (data.dptr) {
if (data.dsize == sizeof(*status)) {
+ /* this memcpy is ok since the status struct was
+ not packed before storing it in the tdb */
memcpy(status, data.dptr, sizeof(*status));
}
SAFE_FREE(data.dptr);