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Fix coding style of args parser

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Vadim Vetrov 2024-08-09 15:58:52 +03:00
parent 4963258c0b
commit 8d4fb1f7ad
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GPG Key ID: E8A308689D7A73A5
1 changed files with 65 additions and 53 deletions
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118
youtubeUnblock.c
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@ -80,7 +80,9 @@ static void print_version() {
}
static void print_usage(const char *argv0) {
printf("Usage: %s [ OPTIONS ] <queue_num> \n", argv0);
print_version();
printf("Usage: %s <queue_num> [ OPTIONS ] \n", argv0);
printf("Options:\n");
printf("\t--sni-domains=<comma separated domain list>|all\n");
printf("\t--fake-sni={ack,ttl,none}\n");
@ -90,30 +92,31 @@ static void print_usage(const char *argv0) {
printf("\t--threads=<threads number>\n");
printf("\t--silent\n");
printf("\t--no-gso\n");
printf("\n");
}
#define OPT_SNI_DOMAINS 1
#define OPT_SNI_DOMAINS 1
#define OPT_FAKE_SNI 2
#define OPT_FAKE_SNI_TTL 3
#define OPT_FAKE_SNI_TTL 3
#define OPT_FRAG 4
#define OPT_SEG2DELAY 5
#define OPT_THREADS 6
#define OPT_SILENT 7
#define OPT_NO_GSO 8
#define OPT_SILENT 7
#define OPT_NO_GSO 8
static struct option long_opt[] = {
{"help", 0, 0, 'h'},
{"version", 0, 0, 'v'},
{"sni-domains", 1, 0, OPT_SNI_DOMAINS},
{"fake-sni", 1, 0, OPT_FAKE_SNI},
{"fake-sni-ttl", 1, 0, OPT_FAKE_SNI_TTL},
{"frag", 1, 0, OPT_FRAG},
{"seg2delay", 1, 0, OPT_SEG2DELAY},
{"threads", 1, 0, OPT_THREADS},
{"silent", 0, 0, OPT_SILENT},
{"no-gso", 0, 0, OPT_NO_GSO},
{0,0,0,0}
};
{"help", 0, 0, 'h'},
{"version", 0, 0, 'v'},
{"sni-domains", 1, 0, OPT_SNI_DOMAINS},
{"fake-sni", 1, 0, OPT_FAKE_SNI},
{"fake-sni-ttl", 1, 0, OPT_FAKE_SNI_TTL},
{"frag", 1, 0, OPT_FRAG},
{"seg2delay", 1, 0, OPT_SEG2DELAY},
{"threads", 1, 0, OPT_THREADS},
{"silent", 0, 0, OPT_SILENT},
{"no-gso", 0, 0, OPT_NO_GSO},
{0,0,0,0}
};
static int parse_args(int argc, char *argv[]) {
int opt;
@ -121,21 +124,19 @@ static int parse_args(int argc, char *argv[]) {
long num;
if (argc < 2) {
print_usage(argv[0]);
print_usage(argv[0]);
errno = EINVAL;
return -1;
}
while ((opt = getopt_long(argc, argv, "hv", long_opt, &optIdx)) != -1) {
switch (opt) {
case 'h':
print_usage(argv[0]);
errno = 0;
return 1;
case 'v':
print_version();
errno = 0;
return 1;
case 'h':
print_usage(argv[0]);
goto out;
case 'v':
print_version();
goto out;
case OPT_SILENT:
config.verbose = 0;
break;
@ -143,29 +144,29 @@ static int parse_args(int argc, char *argv[]) {
config.use_gso = 0;
break;
case OPT_SNI_DOMAINS:
if (strcmp(optarg, "all")) {
config.all_domains = 1;
}
config.domains_str = optarg;
config.domains_strlen = strlen(config.domains_str);
printf("asdffdsa\n");
break;
case OPT_FRAG:
if (strcmp(optarg, "tcp") == 0) {
case OPT_FRAG:
if (strcmp(optarg, "tcp") == 0) {
config.fragmentation_strategy = FRAG_STRAT_TCP;
} else if (strcmp(optarg, "ip") == 0) {
config.fragmentation_strategy = FRAG_STRAT_IP;
} else if (strcmp(optarg, "none") == 0) {
config.fragmentation_strategy = FRAG_STRAT_NONE;
} else {
errno = EINVAL;
printf("Invalid option %s\n", long_opt[optIdx].name);
return -1;
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
break;
case OPT_FAKE_SNI:
if (strcmp(optarg, "ack") == 0) {
case OPT_FAKE_SNI:
if (strcmp(optarg, "ack") == 0) {
config.fake_sni_strategy = FKSN_STRAT_ACK_SEQ;
} else if (strcmp(optarg, "ttl") == 0) {
config.fake_sni_strategy = FKSN_STRAT_TTL;
@ -173,48 +174,59 @@ static int parse_args(int argc, char *argv[]) {
config.fake_sni_strategy = FKSN_STRAT_NONE;
} else {
errno = EINVAL;
printf("Invalid option %s\n", long_opt[optIdx].name);
return -1;
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
break;
case OPT_SEG2DELAY:
num = parse_numeric_option(optarg);
num = parse_numeric_option(optarg);
if (errno != 0 || num < 0) {
printf("Invalid option %s\n", long_opt[optIdx].name);
return -1;
}
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
config.seg2_delay = num;
break;
case OPT_THREADS:
case OPT_THREADS:
num = parse_numeric_option(optarg);
if (errno != 0 || num < 0 || num > MAX_THREADS) {
printf("Invalid option %s\n", long_opt[optIdx].name);
return -1;
}
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
config.threads = num;
break;
case OPT_FAKE_SNI_TTL:
case OPT_FAKE_SNI_TTL:
num = parse_numeric_option(optarg);
if (errno != 0 || num < 0 || num > 255) {
printf("Invalid option %s\n", long_opt[optIdx].name);
return -1;
}
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
config.fake_sni_ttl = num;
break;
default:
printf("Invalid option %s\n", long_opt[optIdx].name);
errno = EINVAL;
return -1;
}
printf("Invalid option %s\n", long_opt[optIdx].name);
goto error;
}
}
config.queue_start_num = parse_numeric_option(argv[optind]);
if (errno != 0) {
printf("Invalid queue number\n");
return -1;
goto error;
}
errno = 0;
return 0;
out:
errno = 0;
return 1;
error:
print_usage(argv[0]);
errno = EINVAL;
return -1;
}
static int open_socket(struct mnl_socket **_nl) {