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As promised a agent which already does some things. Not very useful

Browse source 
yet but may be of help for using it in ther contexts.
This commit is contained in:
Werner Koch 2001-11-25 14:53:10 +00:00
parent f60dc501d2
commit 922cedfe58
5 changed files with 220 additions and 44 deletions
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34
agent/gpg-agent.c
View file

@ -102,9 +102,13 @@ typedef struct {
#define MAX_CACHE_AGE 1000 /* should fit into an integer */
static volatile int caught_fatal_sig = 0;
static volatile int shut_me_down = 0;
static CACHE_SLOT the_cache[MAX_CACHE_ENTRIES];
/* static CACHE_SLOT the_cache[MAX_CACHE_ENTRIES]; */
static char *socket_name = NULL;
/* It is possible that we are currently running under setuid permissions */
static int maybe_setuid = 1;
#define buftou32( p ) ((*(byte*)(p) << 24) | (*((byte*)(p)+1)<< 16) | \
(*((byte*)(p)+2) << 8) | (*((byte*)(p)+3)))
#define u32tobuf( p, a ) do { \
@ -116,10 +120,7 @@ static char *socket_name = NULL;
static int start_listening ( const char *name );
static int writen ( int fd, const void *buf, size_t nbytes );
static int readn ( int fd, void *buf, size_t buflen, size_t *ret_nread );
static void process_request ( int fd );
static const char *
@ -204,6 +205,7 @@ main (int argc, char **argv )
{
ARGPARSE_ARGS pargs;
int orig_argc;
int may_coredump;
char **orig_argv;
FILE *configfp = NULL;
char *configname = NULL;
@ -223,6 +225,10 @@ main (int argc, char **argv )
char *logfile = NULL;
set_strusage( my_strusage );
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
/* Please note that we may running SUID(ROOT), so be very CAREFUL
when adding any stuff between here and the call to INIT_SECMEM()
somewhere after the option parsing */
/* log_set_name ("gpg-agent"); */
srand (time (NULL)); /* the about dialog uses rand() */
i18n_init ();
@ -236,10 +242,13 @@ main (int argc, char **argv )
}
assuan_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
may_coredump = 0/* FIXME: disable_core_dumps()*/;
shell = getenv("SHELL");
if (shell && strlen(shell) >= 3 && !strcmp(shell+strlen(shell)-3, "csh") )
shell = getenv ("SHELL");
if (shell && strlen (shell) >= 3 && !strcmp (shell+strlen (shell)-3, "csh") )
csh_style = 1;
opt.homedir = getenv("GNUPGHOME");
@ -275,6 +284,15 @@ main (int argc, char **argv )
opt.homedir = pargs.r.ret_str;
}
/* initialize the secure memory. */
gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
maybe_setuid = 0;
/*
Now we are now working under our real uid
*/
if (default_config)
configname = make_filename (opt.homedir, "gpg-agent.conf", NULL );
@ -648,6 +666,7 @@ start_listening (const char *name)
return -1;
}
#if 0
/* Look for the passprase as given by the 20 bytes DATA and return it's
slot number. If this passphrase is not in the cache, return -1 */
static int
@ -751,7 +770,6 @@ passphrase_dialog ( const byte *fpr, const char *user_string )
}
static int
writen ( int fd, const void *buf, size_t nbytes )
{
@ -993,6 +1011,6 @@ process_request ( int fd )
return;
#endif
}
#endif