diff options
Diffstat (limited to 'runtime/libgcry.h')
| -rw-r--r-- | runtime/libgcry.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/runtime/libgcry.h b/runtime/libgcry.h index b77b0f9..ae5a673 100644 --- a/runtime/libgcry.h +++ b/runtime/libgcry.h @@ -21,7 +21,7 @@ #ifndef INCLUDED_LIBGCRY_H #define INCLUDED_LIBGCRY_H #include <stdint.h> - +#include <gcrypt.h> struct gcryctx_s { uchar *key; @@ -38,7 +38,15 @@ struct gcryfile_s { size_t blkLength; /* size of low-level crypto block */ uchar *eiName; /* name of .encinfo file */ int fd; /* descriptor of .encinfo file (-1 if not open) */ + char openMode; /* 'r': read, 'w': write */ gcryctx ctx; + uchar *readBuf; + int16_t readBufIdx; + int16_t readBufMaxIdx; + int8_t bDeleteOnClose; /* for queue support, similar to stream subsys */ + ssize_t bytesToBlkEnd; /* number of bytes remaining in current crypto block + -1 means -> no end (still being writen to, queue files), + 0 means -> end of block, new one must be started. */ }; int gcryGetKeyFromFile(char *fn, char **key, unsigned *keylen); @@ -50,8 +58,12 @@ rsRetVal rsgcrySetAlgo(gcryctx ctx, uchar *modename); gcryctx gcryCtxNew(void); void rsgcryCtxDel(gcryctx ctx); int gcryfileDestruct(gcryfile gf, off64_t offsLogfile); -rsRetVal rsgcryInitCrypt(gcryctx ctx, gcryfile *pgf, uchar *fname); -int rsgcryEncrypt(gcryfile pF, uchar *buf, size_t *len); +rsRetVal rsgcryInitCrypt(gcryctx ctx, gcryfile *pgf, uchar *fname, char openMode); +rsRetVal rsgcryEncrypt(gcryfile pF, uchar *buf, size_t *len); +rsRetVal rsgcryDecrypt(gcryfile pF, uchar *buf, size_t *len); +int gcryGetKeyFromProg(char *cmd, char **key, unsigned *keylen); +rsRetVal gcryfileDeleteState(uchar *fn); +rsRetVal gcryfileGetBytesLeftInBlock(gcryfile gf, ssize_t *left); /* error states */ #define RSGCRYE_EI_OPEN 1 /* error opening .encinfo file */ @@ -62,6 +74,14 @@ int rsgcryEncrypt(gcryfile pF, uchar *buf, size_t *len); #define RSGCRY_FILETYPE_NAME "rsyslog-enrcyption-info" #define ENCINFO_SUFFIX ".encinfo" +/* Note: gf may validly be NULL, e.g. if file has not yet been opened! */ +static inline void +gcryfileSetDeleteOnClose(gcryfile gf, int val) +{ + if(gf != NULL) + gf->bDeleteOnClose = val; +} + static inline int rsgcryAlgoname2Algo(char *algoname) { if(!strcmp((char*)algoname, "3DES")) return GCRY_CIPHER_3DES; |