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Merge branch 'coverity_dtsession'

Browse source 
Fix up a bunch (55) issues in dtsession identified by Coverity's
static analysis.
This commit is contained in:
Jon Trulson 2014-12-27 20:25:26 -07:00
commit f6d6aafc93
9 changed files with 147 additions and 80 deletions
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2
cde/programs/dtsession/SmCommun.c
View file

@ -786,7 +786,7 @@ ProcessClientMessage(
_DtAddToResource(smGD.display, newRes);
}
if (NULL != newRes) free(newRes);
free(newRes);
}
}
else if (cEvent->message_type == XaDtSmSaverInfo)

6
cde/programs/dtsession/SmDB.c
View file

@ -498,7 +498,8 @@ OpenOutputClientDB(char *fileName,
/* Open fileName for writing. */
if ((outputDB->xrmDBFile = fopen(fileName, "w")) == (FILE *)NULL)
{
rename(outputDB->tmpDBFileName, fileName);
int rv;
rv = rename(outputDB->tmpDBFileName, fileName);
XtFree(outputDB->xrmDBFileName);
XtFree(outputDB->tmpDBFileName);
XtFree((char *)outputDB);
@ -705,9 +706,10 @@ CloseClientDB(ClientDB clientDBPtr, Boolean writeDB)
}
else
{
int rv;
/* Close file and remove it; restore original DB. */
fclose(clientDB->xrmDBFile);
rename(clientDB->tmpDBFileName, clientDB->xrmDBFileName);
rv = rename(clientDB->tmpDBFileName, clientDB->xrmDBFileName);
}
XtFree(clientDB->xrmDBFileName);

128
cde/programs/dtsession/SmGlobals.c
View file

@ -476,7 +476,7 @@ InitSMGlobals( void )
/*
* Pull screen saver resources from Dtsession*<name>.
*/
smGD.SmNextension = smGD.SmNextension = smGD.extensionSpec = "";
smGD.SmNextension = smGD.SmCextension = smGD.extensionSpec = "";
}
XtGetSubresources(smGD.topLevelWid, (XtPointer) &smSaverRes,
@ -684,7 +684,7 @@ SetRestorePath(
*/
if (getenv("DISPLAY") == 0)
{
sprintf(tmpDisplayName, "DISPLAY=%s", displayName);
snprintf(tmpDisplayName, MAXPATHLEN, "DISPLAY=%s", displayName);
putenv(tmpDisplayName);
}
}
@ -703,7 +703,7 @@ SetRestorePath(
pch = strdup ((char *) GETMESSAGE (40, 15,
" No session name was provided for the -session command line option."));
if (!pch)
if (pch)
{
DtMsgLogMessage (argv[0], DtMsgLogWarning, pch);
free (pch);
@ -1109,22 +1109,31 @@ SetSavePath(
if(status == 0)
{
char * tmpName;
char * tmpDir;
int len, tfd;
strcpy (savedOldDir, smGD.etcPath);
strcpy(savedOldDir, smGD.etcPath);
tmpName = (char *) XtMalloc (strlen (smGD.restoreSession) + 2);
sprintf (tmpName, "%s.", smGD.restoreSession);
if (strlen (tmpName) > 5) {
tmpName[4] = '.';
tmpName[5] = '\000';
}
tmpDir = (char *) tempnam (smGD.savePath, tmpName);
MoveDirectory (smGD.etcPath, tmpDir, False);
len = strlen(smGD.savePath) + strlen(smGD.restoreSession)
+ strlen("XXXXXX") + 3;
tmpName = (char *) XtCalloc(1, len);
strcpy (savedTmpDir, tmpDir);
free (tmpDir);
XtFree ((char *) tmpName);
sprintf(tmpName, "%s/%s.XXXXXX", smGD.savePath,
smGD.restoreSession);
if ((tfd = mkstemp(tmpName)) == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
}
else
{
close(tfd);
unlink(tmpName);
MoveDirectory(smGD.etcPath, tmpName, False);
strncpy(savedTmpDir, tmpName, len - 1);
}
XtFree((char *) tmpName);
}
MoveDirectory(smGD.clientPath, smGD.etcPath, False);
}
@ -1165,25 +1174,35 @@ SetSavePath(
* save is complete.
*/
char * tmpName;
char * tmpDir;
sprintf(smGD.etcPath, "%s.%s", smGD.clientPath, SM_OLD_EXTENSION);
status = stat(smGD.etcPath, &buf);
if(status == 0)
{
tmpName = (char *) XtMalloc (strlen (smGD.restoreSession) + 2);
sprintf (tmpName, "%s.", smGD.restoreSession);
strcpy (savedOldDir, smGD.etcPath);
if (strlen (tmpName) > 5) {
tmpName[4] = '.';
tmpName[5] = '\000';
}
tmpDir = (char *) tempnam (smGD.savePath, tmpName);
MoveDirectory (smGD.etcPath, tmpDir, False);
int len, tfd;
strcpy (savedTmpDir, tmpDir);
free (tmpDir);
XtFree ((char *) tmpName);
len = strlen(smGD.savePath) + strlen(smGD.restoreSession)
+ strlen("XXXXXX") + 3;
tmpName = (char *) XtCalloc(1, len);
sprintf(tmpName, "%s/%s.XXXXXX", smGD.savePath,
smGD.restoreSession);
strcpy (savedOldDir, smGD.etcPath);
if ((tfd = mkstemp(tmpName)) == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
}
else
{
close(tfd);
unlink(tmpName);
MoveDirectory (smGD.etcPath, tmpName, False);
strcpy (savedTmpDir, tmpName);
}
XtFree((char *) tmpName);
}
MoveDirectory(smGD.clientPath, smGD.etcPath, False);
@ -1194,13 +1213,21 @@ SetSavePath(
status = mkdir(smGD.clientPath, 0000);
if(status == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
smGD.clientPath[0] = 0;
smGD.settingPath[0] = 0;
smGD.resourcePath[0] = 0;
return(-1);
}
status = chmod(smGD.clientPath, 0755);
if(status == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
smGD.clientPath[0] = 0;
smGD.settingPath[0] = 0;
smGD.resourcePath[0] = 0;
return(-1);
}
chmod(smGD.clientPath, 0755);
}
}
strcat(smGD.clientPath, "/");
@ -1284,7 +1311,13 @@ SetFontSavePath(char *langPtr)
smGD.fontPath[0] = 0;
return(-1);
}
chmod(smGD.fontPath, 0755);
status = chmod(smGD.fontPath, 0755);
if(status == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
smGD.fontPath[0] = 0;
return(-1);
}
}
return(0);
@ -1632,7 +1665,7 @@ TrimErrorlog( void )
len = strlen(home) + strlen(DtPERSONAL_CONFIG_DIRECTORY) + 2;
if (len > MAXPATHLEN) savePath = SM_REALLOC(savePath, len);
sprintf(savePath, "%s/%s", home, DtPERSONAL_CONFIG_DIRECTORY);
snprintf(savePath, len - 1, "%s/%s", home, DtPERSONAL_CONFIG_DIRECTORY);
/*
* If errorlog.old exists and it is not empty, delete
@ -2352,11 +2385,11 @@ InitializeSpecificSession (
if (len > MAXPATHLEN)
alt_dir = XtRealloc(alt_dir, len + 1);
(void) sprintf (alt_dir, "%s/%s/%s/%s",
home,
DtPERSONAL_CONFIG_DIRECTORY,
DtSM_SESSION_DIRECTORY,
SM_HOME_DIRECTORY);
snprintf(alt_dir, len, "%s/%s/%s/%s",
home,
DtPERSONAL_CONFIG_DIRECTORY,
DtSM_SESSION_DIRECTORY,
SM_HOME_DIRECTORY);
if (!SetAlternateSession (session_dir,
alt_dir,
@ -2412,6 +2445,12 @@ InitializePaths (
char *db_file = (char *) XtMalloc(MAXPATHLEN);
struct stat buf;
if (!db_file)
{
PrintError(DtError, smNLS.cantMallocErrorString);
return;
}
smGD.savePath = _DtCreateDtDirs(disp);
(void) sprintf (smGD.settingPath, "%s/%s/%s",
@ -2434,7 +2473,7 @@ InitializePaths (
if ((stat(db_file, &buf)) == 0)
(void) strcpy (smGD.clientPath, db_file);
}
if (db_file) XtFree(db_file);
XtFree(db_file);
}
@ -2472,6 +2511,13 @@ SetAlternateSession (
char *db_file2 = (char *) XtMalloc(MAXPATHLEN);
struct stat buf;
if (!db_file1 || !db_file2)
{
PrintError(DtError, smNLS.cantMallocErrorString);
return False;
}
if ((stat (session_dir, &buf)) != 0) {
/*
* The requested dir does not exist, create it
@ -2560,8 +2606,8 @@ SetAlternateSession (
SetSysDefaults ();
}
if (db_file1) XtFree(db_file1);
if (db_file2) XtFree(db_file2);
XtFree(db_file1);
XtFree(db_file2);
return (True);
}

3
cde/programs/dtsession/SmLock.c
View file

@ -162,7 +162,8 @@ static Boolean CanReAuthenticate(char *name, uid_t uid, char *passwd,
Boolean fail = False;
*pwent = (name == NULL) ? getpwuid(uid) : getpwnam(name);
*spent = getspnam((*pwent)->pw_name);
if (pwent)
*spent = getspnam((*pwent)->pw_name);
#ifdef JET_AUTHDEBUG
fprintf(stderr, "CanReAuthenticate(): %s %s %s\n",

33
cde/programs/dtsession/SmRestore.c
View file

@ -58,6 +58,7 @@
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#ifdef _SUN_OS /* to get the define for NOFILE */
#include <sys/param.h>
#endif /* _SUN_OS */
@ -590,7 +591,7 @@ RestoreState( void )
fileSize = MAXLINE + 1;
}
line = (unsigned char *) malloc ((fileSize + 1) * sizeof(char *));
line = malloc(fileSize + 1);
if (line == NULL)
{
line = fallBackLine;
@ -828,6 +829,8 @@ RestoreResources( Boolean errorHandlerInstalled, ... )
char *argv[20];
va_list args;
#if 0
/* JET - this seems like a bad (and unused) idea */
/*
* Check for alternate resource loader.
*/
@ -835,6 +838,9 @@ RestoreResources( Boolean errorHandlerInstalled, ... )
{
pgrm = CDE_INSTALLATION_TOP "/bin/dtsession_res";
}
#else
pgrm = CDE_INSTALLATION_TOP "/bin/dtsession_res";
#endif
/*
* By convention, exec() wants arg0 to be the program name. Ex: if pgrm
@ -1286,7 +1292,7 @@ RestoreSettings( void )
ptrSize += 50;
restorePtrArray = (char **)SM_REALLOC((char *)
restorePtrArray, ptrSize *
sizeof(char **));
sizeof(char *));
if(restorePtrArray == NULL)
{
PrintErrnoError(DtError, smNLS.cantMallocErrorString);
@ -2065,6 +2071,7 @@ RestoreClients( void )
SM_FREE((char *) remoteBuf[i]);
}
}
free(displayName);
return(-1);
}
cmdPtr = NULL;
@ -3497,14 +3504,20 @@ StartClient(
smRes.ignoreEnvironment, ',');
}
if (!defaultCwd) {
if (getenv ("HOME"))
defaultCwd = strdup (getenv ("HOME"));
else
defaultCwd = getcwd (NULL, MAXPATHLEN + 1);
(void) gethostname (localHost, MAXHOSTNAMELEN);
}
if (!defaultCwd)
{
char *tstr = getenv("HOME");
if (tstr)
{
int slen = strlen(tstr) + 1;
defaultCwd = XtCalloc(1, slen);
strncpy(defaultCwd, tstr, slen - 1);
}
else
defaultCwd = getcwd (NULL, MAXPATHLEN + 1);
(void) gethostname (localHost, MAXHOSTNAMELEN);
}
if (!cwd) {
cwdNull = True;

41
cde/programs/dtsession/SmSave.c
View file

@ -504,29 +504,36 @@ PruneSessionDirectory ()
*/
char * tmpName;
char * tmp;
int len, tfd;
tmpName = (char *) XtMalloc (strlen (smGD.restoreSession) + 2);
sprintf (tmpName, "%s.", smGD.restoreSession);
if (strlen (tmpName) > 5) {
tmpName[4] = '.';
tmpName[5] = '\000';
}
tmp = (char *) tempnam (smGD.savePath, tmpName);
len = strlen(smGD.savePath) + strlen(smGD.restoreSession)
+ strlen("XXXXXX") + 3;
tmpName = XtCalloc (1, len);
sprintf(tmpName, "%s/%s.XXXXXX", smGD.savePath,
smGD.restoreSession);
sprintf (saveDir, "%s/%s", smGD.savePath, smGD.restoreSession);
if ((tfd = mkstemp(tmpName)) == -1)
{
PrintErrnoError(DtError, smNLS.cantCreateDirsString);
}
else
{
close(tfd);
unlink(tmpName);
MoveDirectory (saveDir, tmp, False);
MoveDirectory (oldestDir, saveDir, False);
sprintf (saveDir, "%s/%s",
smGD.savePath, smGD.restoreSession);
sprintf (clientDB, "%s/%s/%s", smGD.savePath,
smGD.restoreSession, SM_CLIENT_FILE2);
MoveDirectory (saveDir, tmpName, False);
MoveDirectory (oldestDir, saveDir, False);
ExecuteDiscardCommands (clientDB);
sprintf (clientDB, "%s/%s/%s", smGD.savePath,
smGD.restoreSession, SM_CLIENT_FILE2);
MoveDirectory (tmp, saveDir, True);
ExecuteDiscardCommands (clientDB);
free (tmp);
MoveDirectory (tmpName, saveDir, True);
}
XtFree (tmpName);
}
@ -551,7 +558,7 @@ PruneSessionDirectory ()
if (((stat (saveDir, &buf)) == 0) &&
S_ISDIR (buf.st_mode)) {
sprintf (clientDB, "rm -rf %s", saveDir);
sprintf (clientDB, "/bin/rm -rf %s", saveDir);
SystemCmd (clientDB);
sprintf (oldestDir, "%s/%s", smGD.savePath,

5
cde/programs/dtsession/SmUI.c
View file

@ -907,9 +907,8 @@ CreateLockDialogWithCover(
*/
i = 0;
envLog = getenv("LOGNAME");
lockMessage = XtMalloc(100 + strlen(envLog));
sprintf(
lockMessage,
lockMessage = XtCalloc(1, 100 + strlen(envLog));
snprintf(lockMessage, 100 + strlen(envLog) - 1,
((char *)GETMESSAGE(18, 1, "Display locked by user %s.")), envLog);
lockString = XmStringCreateLocalized(lockMessage);
XtSetArg(uiArgs[i], XmNtopAttachment, XmATTACH_POSITION); i++;

7
cde/programs/dtsession/SrvFile_io.c
View file

@ -228,10 +228,8 @@ char *palette)
DEFAULT_PALETTE);
}
if (path != NULL)
SRV_FREE(path);
if (palettePath != NULL)
SRV_FREE(palettePath);
SRV_FREE(path);
SRV_FREE(palettePath);
return (paletteDef);
@ -372,6 +370,7 @@ ReadPaletteFile(
error_value = 1;
unlink(palettePath);
SRV_FREE(fullPath);
close(fd);
return((struct _palette *) NULL);
}
}

2
cde/programs/dtsession/SrvPalette.c
View file

@ -665,7 +665,7 @@ convert_pixel_set(
int i;
char *converted;
char *p;
int colormappingindex;
int colormappingindex = 0;
const int colormapping [4][XmCO_MAX_NUM_COLORS] = {
{0, 1, 2, 3, 4, 5, 6, 7}, /* XmCO_HIGH_COLOR */