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Clam 2612 Fix DatabaseCustomURL CVD prune bug, and add 'valhalla' optional database (1.3.1) #1238

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merged 2 commits into from
Apr 15, 2024
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Clam 2612 Fix DatabaseCustomURL CVD prune bug, and add 'valhalla' optional database (1.3.1) #1238

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f0d4baf
Add 'valhalla' to Freshclam's list of optional CVD's
micahsnyder Apr 12, 2024
da75789
Freshclam: fix issue DatabaseCustomURL CVD prune issue
micahsnyder Apr 12, 2024
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49 changes: 47 additions & 2 deletions freshclam/freshclam.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1027,7 +1027,7 @@ fc_error_t get_official_database_lists(
uint32_t i;

const char *hardcodedStandardDatabaseList[] = {"daily", "main", "bytecode"};
const char *hardcodedOptionalDatabaseList[] = {"safebrowsing", "test"};
const char *hardcodedOptionalDatabaseList[] = {"safebrowsing", "test", "valhalla"};

if ((NULL == standardDatabases) || (NULL == nStandardDatabases) || (NULL == optionalDatabases) || (NULL == nOptionalDatabases)) {
mprintf(LOGG_ERROR, "get_official_database_lists: Invalid arguments.\n");
Expand Down Expand Up @@ -1453,6 +1453,10 @@ fc_error_t perform_database_update(
uint32_t nUpdated = 0;
uint32_t nTotalUpdated = 0;

uint32_t i;
char **doNotPruneDatabaseList = NULL;
uint32_t nDoNotPruneDatabases = 0;

STATBUF statbuf;

if (NULL == serverList) {
Expand All @@ -1473,7 +1477,38 @@ fc_error_t perform_database_update(
* Prune database directory of official databases
* that are no longer available or no longer desired.
*/
(void)fc_prune_database_directory(databaseList, nDatabases);

// include the URL databases in the prune process
doNotPruneDatabaseList = (char **)malloc(sizeof(char *) * (nDatabases + nUrlDatabases));
if (NULL == doNotPruneDatabaseList) {
logg(LOGG_ERROR, "perform_database_update: Can't allocate memory for doNotPruneDatabaseList\n");
status = FC_EMEM;
goto done;
}

for (i = 0; i < nDatabases; i++) {
doNotPruneDatabaseList[i] = strdup(databaseList[i]);
if (doNotPruneDatabaseList[i] == NULL) {
logg(LOGG_ERROR, "perform_database_update: Can't allocate memory for database name in doNotPruneDatabaseList\n");
status = FC_EMEM;
goto done;
}
}
nDoNotPruneDatabases = nDatabases;

for (i = 0; i < nUrlDatabases; i++) {
// Only append the URL databases that end with '.cvd'
if (strlen(urlDatabaseList[i]) > 4 && 0 == strcasecmp(urlDatabaseList[i] + strlen(urlDatabaseList[i]) - 4, ".cvd")) {
const char *startOfFilename = strrchr(urlDatabaseList[i], '/') + 1;
if (NULL != startOfFilename) {
// Add the base database name to the do-not-prune list, excluding the '.cvd' extension.
doNotPruneDatabaseList[nDatabases + i] = CLI_STRNDUP(startOfFilename, strlen(startOfFilename) - strlen(".cvd"));
nDoNotPruneDatabases++;
}
}
}

(void)fc_prune_database_directory(doNotPruneDatabaseList, nDoNotPruneDatabases);
}

/*
Expand Down Expand Up @@ -1544,6 +1579,16 @@ fc_error_t perform_database_update(

done:

// Free up the database list
if (NULL != doNotPruneDatabaseList) {
for (i = 0; i < nDoNotPruneDatabases; i++) {
free(doNotPruneDatabaseList[i]);
doNotPruneDatabaseList[i] = NULL;
}
free(doNotPruneDatabaseList);
doNotPruneDatabaseList = NULL;
}

if (LSTAT(g_freshclamTempDirectory, &statbuf) != -1) {
/* Remove temp directory */
if (*g_freshclamTempDirectory) {
Expand Down
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