Annotation of embedaddon/confuse/examples/ftpconf.c, revision 1.1.1.2
1.1 misho 1: /*
2: * Parses and prints the configuration options for a fictous ftp client
3: */
4:
5: #include <stdio.h>
6: #include <string.h>
7: #include <errno.h>
1.1.1.2 ! misho 8: #include <locale.h>
1.1 misho 9: #include <confuse.h>
10:
11: /* valid values for the auto-create-bookmark option */
12: #define ACB_YES 1
13: #define ACB_NO 2
14: #define ACB_ASK 3
15:
16: /* called on alias() functions in the config file */
17: int conf_alias(cfg_t *cfg, cfg_opt_t *opt, int argc, const char **argv)
18: {
1.1.1.2 ! misho 19: if (argc < 2) {
! 20: cfg_error(cfg, "function '%s' requires 2 arguments", cfg_opt_name(opt));
! 21: return -1;
! 22: }
! 23: printf("got alias '%s' = '%s'\n", argv[0], argv[1]);
! 24: return 0;
1.1 misho 25: }
26:
27: /* parse values for the auto-create-bookmark option */
28: int conf_parse_acb(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
29: {
1.1.1.2 ! misho 30: if (strcmp(value, "yes") == 0)
! 31: *(int *)result = ACB_YES;
! 32: else if (strcmp(value, "no") == 0)
! 33: *(int *)result = ACB_NO;
! 34: else if (strcmp(value, "ask") == 0)
! 35: *(int *)result = ACB_ASK;
! 36: else {
! 37: cfg_error(cfg, "invalid value for option '%s': %s", cfg_opt_name(opt), value);
! 38: return -1;
! 39: }
! 40: return 0;
1.1 misho 41: }
42:
43: /* validates a port option (must be positive) */
44: int conf_validate_port(cfg_t *cfg, cfg_opt_t *opt)
45: {
1.1.1.2 ! misho 46: int value = cfg_opt_getnint(opt, 0);
! 47:
! 48: if (value <= 0) {
! 49: cfg_error(cfg, "invalid port %d in section '%s'", value, cfg_name(cfg));
! 50: return -1;
! 51: }
! 52: return 0;
1.1 misho 53: }
54:
55: /* validates a bookmark section (host option required) */
56: int conf_validate_bookmark(cfg_t *cfg, cfg_opt_t *opt)
57: {
1.1.1.2 ! misho 58: cfg_t *bookmark = cfg_opt_getnsec(opt, cfg_opt_size(opt) - 1);
! 59:
! 60: if (cfg_size(bookmark, "host") == 0) {
! 61: cfg_error(cfg, "missing required option 'host' in bookmark");
! 62: return -1;
! 63: }
! 64: return 0;
1.1 misho 65: }
66:
67: cfg_t *parse_conf(const char *filename)
68: {
1.1.1.2 ! misho 69: static cfg_opt_t bookmark_opts[] = {
! 70: CFG_STR("host", 0, CFGF_NODEFAULT),
! 71: CFG_INT("port", 21, CFGF_NONE),
! 72: CFG_STR("login", "anonymous", CFGF_NONE),
! 73: CFG_STR("password", "anonymous@", CFGF_NONE),
! 74: CFG_STR("directory", 0, CFGF_NONE),
! 75: CFG_END()
! 76: };
! 77:
! 78: cfg_opt_t opts[] = {
! 79: CFG_SEC("bookmark", bookmark_opts, CFGF_MULTI | CFGF_TITLE),
! 80: CFG_BOOL("passive-mode", cfg_false, CFGF_NONE),
! 81: CFG_BOOL("remote-completion", cfg_true, CFGF_NONE),
! 82: CFG_FUNC("alias", conf_alias),
! 83: CFG_STR_LIST("xterm-terminals", "{xterm, rxvt}", CFGF_NONE),
! 84: CFG_INT_CB("auto-create-bookmark", ACB_YES, CFGF_NONE, conf_parse_acb),
! 85: CFG_FUNC("include-file", cfg_include),
! 86: CFG_END()
! 87: };
! 88:
! 89: cfg_t *cfg = cfg_init(opts, CFGF_NONE);
! 90:
! 91: cfg_set_validate_func(cfg, "bookmark|port", conf_validate_port);
! 92: cfg_set_validate_func(cfg, "bookmark", conf_validate_bookmark);
! 93:
! 94: switch (cfg_parse(cfg, filename)) {
! 95: case CFG_FILE_ERROR:
! 96: printf("warning: configuration file '%s' could not be read: %s\n", filename, strerror(errno));
! 97: printf("continuing with default values...\n\n");
! 98: case CFG_SUCCESS:
! 99: break;
! 100: case CFG_PARSE_ERROR:
! 101: return 0;
! 102: }
1.1 misho 103:
1.1.1.2 ! misho 104: return cfg;
1.1 misho 105: }
106:
1.1.1.2 ! misho 107: /* Parse the file ftp.conf and print the parsed configuration options */
1.1 misho 108: int main(int argc, char **argv)
109: {
1.1.1.2 ! misho 110: cfg_t *cfg;
1.1 misho 111:
1.1.1.2 ! misho 112: /* Localize messages & types according to environment, since v2.9 */
! 113: #ifdef LC_MESSAGES
! 114: setlocale(LC_MESSAGES, "");
! 115: setlocale(LC_CTYPE, "");
! 116: #endif
! 117:
! 118: cfg = parse_conf(argc > 1 ? argv[1] : "ftp.conf");
! 119: if (cfg) {
! 120: unsigned int i;
! 121:
! 122: printf("passive-mode = %s\n", cfg_getbool(cfg, "passive-mode") ? "true" : "false");
! 123: printf("remote-completion = %s\n", cfg_getbool(cfg, "remote-completion") ? "true" : "false");
! 124:
! 125: printf("number of bookmarks: %d\n", cfg_size(cfg, "bookmark"));
! 126: for (i = 0; i < cfg_size(cfg, "bookmark"); i++) {
! 127: cfg_t *bookmark = cfg_getnsec(cfg, "bookmark", i);
! 128:
! 129: printf(" bookmark #%d: %s:%s@%s:%ld%s\n", i + 1,
! 130: cfg_getstr(bookmark, "login"),
! 131: cfg_getstr(bookmark, "password"),
! 132: cfg_getstr(bookmark, "host"), cfg_getint(bookmark, "port"), cfg_getstr(bookmark, "directory"));
! 133: }
! 134:
! 135: for (i = 0; i < cfg_size(cfg, "xterm-terminals"); i++) {
! 136: printf("xterm-terminal #%d: %s\n", i + 1, cfg_getnstr(cfg, "xterm-terminals", i));
! 137: }
1.1 misho 138:
1.1.1.2 ! misho 139: printf("auto-create-bookmark = %ld\n", cfg_getint(cfg, "auto-create-bookmark"));
! 140: cfg_free(cfg);
! 141: }
1.1 misho 142:
1.1.1.2 ! misho 143: return 0;
! 144: }
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