diff options
Diffstat (limited to 'source3/utils')
| -rw-r--r-- | source3/utils/net.c | 1 | ||||
| -rw-r--r-- | source3/utils/net_cache.c | 328 | ||||
| -rw-r--r-- | source3/utils/net_help.c | 1 |
3 files changed, 330 insertions, 0 deletions
diff --git a/source3/utils/net.c b/source3/utils/net.c index a3aa7adcae..e3cfc24b69 100644 --- a/source3/utils/net.c +++ b/source3/utils/net.c @@ -352,6 +352,7 @@ static struct functable net_func[] = { {"TIME", net_time}, {"LOOKUP", net_lookup}, {"JOIN", net_join}, + {"CACHE", net_cache}, {"HELP", net_help}, {NULL, NULL} diff --git a/source3/utils/net_cache.c b/source3/utils/net_cache.c new file mode 100644 index 0000000000..359c06d1aa --- /dev/null +++ b/source3/utils/net_cache.c @@ -0,0 +1,328 @@ +/* + Samba Unix/Linux SMB client library + Distributed SMB/CIFS Server Management Utility + Copyright (C) Rafal Szczesniak 2002 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +#include "includes.h" +#include "net.h" + +/** + * @file net_cache.c + * @brief This is part of the net tool which is basically command + * line wrapper for gencache.c functions (mainly for testing) + * + **/ + + +/* + * These routines are used via gencache_iterate() to display the cache's contents + * (print_cache_entry) and to flush it (delete_cache_entry). + * Both of them are defined by first arg of gencache_iterate() routine. + */ +static void print_cache_entry(const char* keystr, const char* datastr, const time_t timeout) +{ + char* timeout_str = ctime(&timeout); + timeout_str[strlen(timeout_str) - 1] = '\0'; + d_printf("Key: %s\t\t Value: %s\t\t Timeout: %s %s\n", keystr, datastr, + timeout_str, timeout > time(NULL) ? "": "(expired)"); +} + +static void delete_cache_entry(const char* keystr, const char* datastr, const time_t timeout) +{ + if (!gencache_del(keystr)) + d_printf("Couldn't delete entry! key = %s", keystr); +} + + +/** + * Parse text representation of timeout value + * + * @param timeout_str string containing text representation of the timeout + * @return numeric timeout of time_t type + **/ +static time_t parse_timeout(const char* timeout_str) +{ + char sign = '\0', *number = NULL, unit = '\0'; + int len, number_begin, number_end; + time_t timeout; + + /* sign detection */ + if (timeout_str[0] == '!' || timeout_str[0] == '+') { + sign = timeout_str[0]; + number_begin = 1; + } else { + number_begin = 0; + } + + /* unit detection */ + len = strlen(timeout_str); + switch (timeout_str[len - 1]) { + case 's': + case 'm': + case 'h': + case 'd': + case 'w': unit = timeout_str[len - 1]; + } + + /* number detection */ + len = (sign) ? strlen(&timeout_str[number_begin]) : len; + number_end = (unit) ? len - 1 : len; + number = strndup(&timeout_str[number_begin], number_end); + + /* calculate actual timeout value */ + timeout = (time_t)atoi(number); + + switch (unit) { + case 'm': timeout *= 60; break; + case 'h': timeout *= 60*60; break; + case 'd': timeout *= 60*60*24; break; + case 'w': timeout *= 60*60*24*7; break; /* that's fair enough, I think :) */ + } + + switch (sign) { + case '!': timeout = time(NULL) - timeout; break; + case '+': + default: timeout += time(NULL); break; + } + + if (number) SAFE_FREE(number); + return timeout; +} + + +/** + * Add an entry to the cache + * + * @param argv key, value and timeout are passed in command line + * @return 0 on success, otherwise failure + **/ +static int net_cache_add(int argc, const char **argv) +{ + const char *keystr, *datastr, *timeout_str; + time_t timeout; + + if (argc < 3) { + d_printf("\nUsage: net cache add <key string> <data string> <timeout>\n"); + return -1; + } + + keystr = argv[0]; + datastr = argv[1]; + timeout_str = argv[2]; + + /* parse timeout given in command line */ + timeout = parse_timeout(timeout_str); + if (!timeout) { + d_printf("Invalid timeout argument.\n"); + return -1; + } + + if (gencache_add(keystr, datastr, timeout)) { + d_printf("New cache entry stored successfully.\n"); + gencache_shutdown(); + return 0; + } + + d_printf("Entry couldn't be added. Perhaps there's already such a key.\n"); + gencache_shutdown(); + return -1; +} + + +/** + * Set new value of an existing entry in the cache + * + * @param argv key being searched and new value and timeout to set in the entry + * @return 0 on success, otherwise failure + **/ +static int net_cache_set(int argc, const char **argv) +{ + const char *keystr, *datastr, *timeout_str; + time_t timeout; + + if (argc < 3) { + d_printf("\nUsage: net cache set <key string> <data string> <timeout>\n"); + return -1; + } + + keystr = argv[0]; + datastr = argv[1]; + timeout_str = argv[2]; + + /* parse timeout given in command line */ + timeout = parse_timeout(timeout_str); + if (!timeout) { + d_printf("Invalid timeout argument.\n"); + return -1; + } + + if (gencache_set(keystr, datastr, timeout)) { + d_printf("Cache entry set successfully.\n"); + gencache_shutdown(); + return 0; + } + + d_printf("Entry couldn't be set. Perhaps there's no such a key.\n"); + gencache_shutdown(); + return -1; +} + + +/** + * Delete an entry in the cache + * + * @param argv key to delete an entry of + * @return 0 on success, otherwise failure + **/ +static int net_cache_del(int argc, const char **argv) +{ + const char *keystr = argv[0]; + + if (argc < 1) { + d_printf("\nUsage: net cache add <key string>\n"); + return -1; + } + + if(gencache_del(keystr)) { + d_printf("Entry deleted.\n"); + return 0; + } + + d_printf("Couldn't delete specified entry\n"); + return -1; +} + + +/** + * Get and display an entry from the cache + * + * @param argv key to search an entry of + * @return 0 on success, otherwise failure + **/ +static int net_cache_get(int argc, const char **argv) +{ + const char* keystr = argv[0]; + char* valuestr; + time_t timeout; + + if (argc < 1) { + d_printf("\nUsage: net cache get <key>\n"); + return -1; + } + + if (gencache_get(keystr, &valuestr, &timeout)) { + print_cache_entry(keystr, valuestr, timeout); + return 0; + } + + d_printf("Failed to find entry\n"); + return -1; +} + + +/** + * Search an entry/entries in the cache + * + * @param argv key pattern to match the entries to + * @return 0 on success, otherwise failure + **/ +static int net_cache_search(int argc, const char **argv) +{ + const char* pattern; + + if (argc < 1) { + d_printf("Usage: net cache search <pattern>\n"); + return -1; + } + + pattern = argv[0]; + gencache_iterate(print_cache_entry, pattern); + return 0; +} + + +/** + * List the contents of the cache + * + * @param argv ignored in this functionailty + * @return always returns 0 + **/ +static int net_cache_list(int argc, const char **argv) +{ + const char* pattern = "*"; + gencache_iterate(print_cache_entry, pattern); + gencache_shutdown(); + return 0; +} + + +/** + * Flush the whole cache + * + * @param argv ignored in this functionality + * @return always returns 0 + **/ +static int net_cache_flush(int argc, const char **argv) +{ + const char* pattern = "*"; + gencache_iterate(delete_cache_entry, pattern); + gencache_shutdown(); + return 0; +} + + +/** + * Short help + * + * @param argv ignored in this functionality + * @return always returns -1 + **/ +static int net_cache_usage(int argc, const char **argv) +{ + d_printf(" net cache add \t add add new cache entry\n"); + d_printf(" net cache set \t set new value for existing cache entry\n"); + d_printf(" net cache del \t delete existing cache entry by key\n"); + d_printf(" net cache flush \t delete all entries existing in the cache\n"); + d_printf(" net cache get \t get cache entry by key\n"); + d_printf(" net cache search \t search for entries in the cache, by given pattern\n"); + d_printf(" net cache list \t list all cache entries (just like search for \"*\")\n"); + return -1; +} + + +/** + * Entry point to 'net cache' subfunctionality + * + * @param argv arguments passed to further called functions + * @return whatever further functions return + **/ +int net_cache(int argc, const char **argv) +{ + struct functable func[] = { + {"add", net_cache_add}, + {"set", net_cache_set}, + {"del", net_cache_del}, + {"get", net_cache_get}, + {"search", net_cache_search}, + {"list", net_cache_list}, + {"flush", net_cache_flush}, + {NULL, NULL} + }; + + return net_run_function(argc, argv, func, net_cache_usage); +} diff --git a/source3/utils/net_help.c b/source3/utils/net_help.c index ab3eac4b43..16309c5334 100644 --- a/source3/utils/net_help.c +++ b/source3/utils/net_help.c @@ -135,6 +135,7 @@ static int net_usage(int argc, const char **argv) " net user\t\tto manage users\n"\ " net group\t\tto manage groups\n"\ " net join\t\tto join a domain\n"\ + " net cache\t\tto operate on cache tdb file\n"\ "\n"\ " net ads <command>\tto run ADS commands\n"\ " net rap <command>\tto run RAP (pre-RPC) commands\n"\ |