/* returns 0 if file found, -1 if no files or negative error */
int wc_ReadDirFirst(ReadDirCtx* ctx, const char* path, char** name)
{
int ret = -1; /* default to no files found */
if (name)
*name = NULL;
if (ctx == NULL || path == NULL) {
return BAD_FUNC_ARG;
}
XMEMSET(ctx->name, 0, MAX_FILENAME_SZ);
#ifdef USE_WINDOWS_API
XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ - 4);
XSTRNCAT(ctx->name, "\\*", 3);
ctx->hFind = FindFirstFileA(ctx->name, &ctx->FindFileData);
if (ctx->hFind == INVALID_HANDLE_VALUE) {
WOLFSSL_MSG("FindFirstFile for path verify locations failed");
return BAD_PATH_ERROR;
}
do {
if (ctx->FindFileData.dwFileAttributes != FILE_ATTRIBUTE_DIRECTORY) {
XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 3);
XSTRNCAT(ctx->name, "\\", 2);
XSTRNCAT(ctx->name, ctx->FindFileData.cFileName, MAX_FILENAME_SZ/2);
if (name)
*name = ctx->name;
return 0;
}
} while (FindNextFileA(ctx->hFind, &ctx->FindFileData));
#else
ctx->dir = opendir(path);
if (ctx->dir == NULL) {
WOLFSSL_MSG("opendir path verify locations failed");
return BAD_PATH_ERROR;
}
while ((ctx->entry = readdir(ctx->dir)) != NULL) {
XSTRNCPY(ctx->name, path, MAX_FILENAME_SZ/2 - 2);
XSTRNCAT(ctx->name, "/", 1);
XSTRNCAT(ctx->name, ctx->entry->d_name, MAX_FILENAME_SZ/2);
if (stat(ctx->name, &ctx->s) != 0) {
WOLFSSL_MSG("stat on name failed");
ret = BAD_PATH_ERROR;
break;
} else if (ctx->s.st_mode & S_IFREG) {
if (name)
*name = ctx->name;
return 0;
}
}
#endif
wc_ReadDirClose(ctx);
return ret;
}
/* Load CRL path files of type, SSL_SUCCESS on ok */
int LoadCRL(WOLFSSL_CRL* crl, const char* path, int type, int monitor)
{
struct dirent* entry;
DIR* dir;
int ret = SSL_SUCCESS;
#ifdef WOLFSSL_SMALL_STACK
char* name;
#else
char name[MAX_FILENAME_SZ];
#endif
WOLFSSL_ENTER("LoadCRL");
if (crl == NULL)
return BAD_FUNC_ARG;
dir = opendir(path);
if (dir == NULL) {
WOLFSSL_MSG("opendir path crl load failed");
return BAD_PATH_ERROR;
}
#ifdef WOLFSSL_SMALL_STACK
name = (char*)XMALLOC(MAX_FILENAME_SZ, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (name == NULL)
return MEMORY_E;
#endif
while ( (entry = readdir(dir)) != NULL) {
struct stat s;
XMEMSET(name, 0, MAX_FILENAME_SZ);
XSTRNCPY(name, path, MAX_FILENAME_SZ/2 - 2);
XSTRNCAT(name, "/", 1);
XSTRNCAT(name, entry->d_name, MAX_FILENAME_SZ/2);
if (stat(name, &s) != 0) {
WOLFSSL_MSG("stat on name failed");
continue;
}
if (s.st_mode & S_IFREG) {
if (type == SSL_FILETYPE_PEM) {
if (XSTRSTR(entry->d_name, ".pem") == NULL) {
WOLFSSL_MSG("not .pem file, skipping");
continue;
}
}
else {
if (XSTRSTR(entry->d_name, ".der") == NULL &&
XSTRSTR(entry->d_name, ".crl") == NULL) {
WOLFSSL_MSG("not .der or .crl file, skipping");
continue;
}
}
if (ProcessFile(NULL, name, type, CRL_TYPE, NULL, 0, crl)
!= SSL_SUCCESS) {
WOLFSSL_MSG("CRL file load failed, continuing");
}
}
}
#ifdef WOLFSSL_SMALL_STACK
XFREE(name, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#endif
if (monitor & WOLFSSL_CRL_MONITOR) {
word32 pathLen;
char* pathBuf;
WOLFSSL_MSG("monitor path requested");
pathLen = (word32)XSTRLEN(path);
pathBuf = (char*)XMALLOC(pathLen+1, crl->heap,DYNAMIC_TYPE_CRL_MONITOR);
if (pathBuf) {
XSTRNCPY(pathBuf, path, pathLen);
pathBuf[pathLen] = '\0'; /* Null Terminate */
if (type == SSL_FILETYPE_PEM) {
crl->monitors[0].path = pathBuf;
crl->monitors[0].type = SSL_FILETYPE_PEM;
} else {
crl->monitors[1].path = pathBuf;
crl->monitors[1].type = SSL_FILETYPE_ASN1;
}
if (monitor & WOLFSSL_CRL_START_MON) {
WOLFSSL_MSG("start monitoring requested");
ret = StartMonitorCRL(crl);
}
}
else {
ret = MEMORY_E;
}
}
closedir(dir);
return ret;
}
/* Load CRL path files of type, SSL_SUCCESS on ok */
int LoadCRL(CYASSL_CRL* crl, const char* path, int type, int monitor)
{
struct dirent* entry;
DIR* dir;
int ret = SSL_SUCCESS;
CYASSL_ENTER("LoadCRL");
if (crl == NULL)
return BAD_FUNC_ARG;
dir = opendir(path);
if (dir == NULL) {
CYASSL_MSG("opendir path crl load failed");
return BAD_PATH_ERROR;
}
while ( (entry = readdir(dir)) != NULL) {
char name[MAX_FILENAME_SZ];
struct stat s;
XMEMSET(name, 0, sizeof(name));
XSTRNCPY(name, path, MAX_FILENAME_SZ/2 - 2);
XSTRNCAT(name, "/", 1);
XSTRNCAT(name, entry->d_name, MAX_FILENAME_SZ/2);
if (stat(name, &s) != 0) {
CYASSL_MSG("stat on name failed");
continue;
}
if (s.st_mode & S_IFREG) {
if (type == SSL_FILETYPE_PEM) {
if (strstr(entry->d_name, ".pem") == NULL) {
CYASSL_MSG("not .pem file, skipping");
continue;
}
}
else {
if (strstr(entry->d_name, ".der") == NULL &&
strstr(entry->d_name, ".crl") == NULL) {
CYASSL_MSG("not .der or .crl file, skipping");
continue;
}
}
if (ProcessFile(NULL, name, type, CRL_TYPE, NULL, 0, crl)
!= SSL_SUCCESS) {
CYASSL_MSG("CRL file load failed, continuing");
}
}
}
if (monitor & CYASSL_CRL_MONITOR) {
CYASSL_MSG("monitor path requested");
if (type == SSL_FILETYPE_PEM) {
crl->monitors[0].path = strdup(path);
crl->monitors[0].type = SSL_FILETYPE_PEM;
if (crl->monitors[0].path == NULL)
ret = MEMORY_E;
} else {
crl->monitors[1].path = strdup(path);
crl->monitors[1].type = SSL_FILETYPE_ASN1;
if (crl->monitors[1].path == NULL)
ret = MEMORY_E;
}
if (monitor & CYASSL_CRL_START_MON) {
CYASSL_MSG("start monitoring requested");
ret = StartMonitorCRL(crl);
}
}
closedir(dir);
return ret;
}
