diff options
Diffstat (limited to 'src/lib/krb5/ccache/cc_file.c')
| -rw-r--r-- | src/lib/krb5/ccache/cc_file.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/lib/krb5/ccache/cc_file.c b/src/lib/krb5/ccache/cc_file.c index 9ad8b62fa..5b8539508 100644 --- a/src/lib/krb5/ccache/cc_file.c +++ b/src/lib/krb5/ccache/cc_file.c @@ -1,6 +1,50 @@ /* cc_file.c - file ccache implementation * Copyright 2000 MIT blah blah... */ +/* +If OPENCLOSE is defined, ecah of the functions opens and closes the +file whenever it needs to access it. Otherwise, the file is opened +once in initialize and closed once is close. + +This library depends on UNIX-like file descriptors, and UNIX-like +behavior from the functions: open, close, read, write, lseek. + +The quasi-BNF grammar for a credentials cache: + +file ::= + principal list-of-credentials + +credential ::= + client (principal) + server (principal) + keyblock (keyblock) + times (ticket_times) + is_skey (boolean) + ticket_flags (flags) + ticket (data) + second_ticket (data) + +principal ::= + number of components (int32) + component 1 (data) + component 2 (data) + ... + +data ::= + length (int32) + string of length bytes + +etc. + */ +/* todo: +Make sure that each time a function returns KRB5_NOMEM, everything +allocated earlier in the function and stack tree is freed. + +File locking + +fcc_nseq.c and fcc_read don't check return values a lot. + + */ #include "k5-int.h" #define NEED_SOCKETS /* Only for ntohs, etc. */ |