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detect recursion loop

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This commit is contained in:
Michał Trojnara
2022-02-18 22:33:03 +01:00
parent 4eeeec32b4
commit a6d3be739e
3 changed files with 56 additions and 39 deletions
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5
msi.h
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@ -139,12 +139,13 @@ typedef struct {
u_char size[8];
} MSI_ENTRY;
typedef struct {
typedef struct msi_dirent_struct {
u_char name[DIRENT_MAX_NAME_SIZE];
uint16_t nameLen;
uint8_t type;
MSI_ENTRY *entry;
STACK_OF(MSI_DIRENT) *children;
struct msi_dirent_struct *prev; /* detect loops */
} MSI_DIRENT;
DEFINE_STACK_OF(MSI_DIRENT)
@ -203,7 +204,7 @@ int msi_file_read(MSI_FILE *msi, MSI_ENTRY *entry, uint32_t offset, char *buffer
MSI_FILE *msi_file_new(char *buffer, uint32_t len, int verbose);
void msi_file_free(MSI_FILE *msi);
MSI_ENTRY *msi_root_entry_get(MSI_FILE *msi, int verbose);
int msi_dirent_new(MSI_FILE *msi, MSI_ENTRY *entry, MSI_DIRENT *parent, MSI_DIRENT **ret, int verbose);
int msi_dirent_new(MSI_FILE *msi, MSI_ENTRY *entry, MSI_DIRENT *parent, MSI_DIRENT *prev, MSI_DIRENT **ret, int verbose);
MSI_ENTRY *msi_signatures_get(MSI_DIRENT *dirent, MSI_ENTRY **dse);
void msi_dirent_free(MSI_DIRENT *dirent);
MSI_FILE_HDR *msi_header_get(MSI_FILE *msi);