/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Juan Jose Comellas <juanjo@comellas.org>
*
*
* switch_utils.c -- Compatibility and Helper Code
*
*/
#include <switch.h>
#ifndef WIN32
#include <arpa/inet.h>
#endif
#include "private/switch_core_pvt.h"
#define ESCAPE_META '\\'
struct switch_network_node {
ip_t ip;
ip_t mask;
uint32_t bits;
int family;
switch_bool_t ok;
char *token;
char *str;
struct switch_network_node *next;
};
typedef struct switch_network_node switch_network_node_t;
struct switch_network_list {
struct switch_network_node *node_head;
switch_bool_t default_type;
switch_memory_pool_t *pool;
char *name;
};
#ifndef WIN32
SWITCH_DECLARE(int) switch_inet_pton(int af, const char *src, void *dst)
{
return inet_pton(af, src, dst);
}
#endif
SWITCH_DECLARE(switch_status_t) switch_frame_alloc(switch_frame_t **frame, switch_size_t size)
{
switch_frame_t *new_frame;
switch_zmalloc(new_frame, sizeof(*new_frame));
switch_set_flag(new_frame, SFF_DYNAMIC);
new_frame->buflen = size;
new_frame->data = malloc(size);
switch_assert(new_frame->data);
*frame = new_frame;
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_frame_dup(switch_frame_t *orig, switch_frame_t **clone)
{
switch_frame_t *new_frame;
if (!orig) {
return SWITCH_STATUS_FALSE;
}
switch_assert(orig->buflen);
new_frame = malloc(sizeof(*new_frame));
switch_assert(new_frame);
*new_frame = *orig;
switch_set_flag(new_frame, SFF_DYNAMIC);
new_frame->data = malloc(new_frame->buflen);
switch_assert(new_frame->data);
memcpy(new_frame->data, orig->data, orig->datalen);
new_frame->codec = NULL;
*clone = new_frame;
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_frame_free(switch_frame_t **frame)
{
if (!frame || !*frame || !switch_test_flag((*frame), SFF_DYNAMIC)) {
return SWITCH_STATUS_FALSE;
}
switch_safe_free((*frame)->data);
free(*frame);
*frame = NULL;
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_network_list_create(switch_network_list_t **list, const char *name, switch_bool_t default_type,
switch_memory_pool_t *pool)
{
switch_network_list_t *new_list;
if (!pool) {
switch_core_new_memory_pool(&pool);
}
new_list = switch_core_alloc(pool, sizeof(**list));
new_list->pool = pool;
new_list->default_type = default_type;
new_list->name = switch_core_strdup(new_list->pool, name);
*list = new_list;
return SWITCH_STATUS_SUCCESS;
}
#define IN6_AND_MASK(result, ip, mask) \
((uint32_t *) (result))[0] =((const uint32_t *) (ip))[0] & ((const uint32_t *)(mask))[0]; \
((uint32_t *) (result))[1] =((const uint32_t *) (ip))[1] & ((const uint32_t *)(mask))[1]; \
((uint32_t *) (result))[2] =((const uint32_t *) (ip))[2] & ((const uint32_t *)(mask))[2]; \
((uint32_t *) (result))[3] =((const uint32_t *) (ip))[3] & ((const uint32_t *)(mask))[3];
SWITCH_DECLARE(switch_bool_t) switch_testv6_subnet(ip_t _ip, ip_t _net, ip_t _mask) {
if (!IN6_IS_ADDR_UNSPECIFIED(&_mask.v6)) {
struct in6_addr a, b;
IN6_AND_MASK(&a, &_net, &_mask);
IN6_AND_MASK(&b, &_ip, &_mask);
return !memcmp(&a,&b, sizeof(struct in6_addr));
} else {
if (!IN6_IS_ADDR_UNSPECIFIED(&_net.v6)) {
return !memcmp(&_net,&_ip,sizeof(struct in6_addr));
}
else return SWITCH_TRUE;
}
}
SWITCH_DECLARE(switch_bool_t) switch_network_list_validate_ip6_token(switch_network_list_t *list, ip_t ip, const char **token)
{
switch_network_node_t *node;
switch_bool_t ok = list->default_type;
uint32_t bits = 0;
for (node = list->node_head; node; node = node->next) {
if (node->family == AF_INET) continue;
if (node->bits > bits && switch_testv6_subnet(ip, node->ip, node->mask)) {
if (node->ok) {
ok = SWITCH_TRUE;
} else {
ok = SWITCH_FALSE;
}
bits = node->bits;
if (token) {
*token = node->token;
}
}
}
return ok;
}
SWITCH_DECLARE(switch_bool_t) switch_network_list_validate_ip_token(switch_network_list_t *list, uint32_t ip, const char **token)
{
switch_network_node_t *node;
switch_bool_t ok = list->default_type;
uint32_t bits = 0;
for (node = list->node_head; node; node = node->next) {
if (node->family == AF_INET6) continue; /* want AF_INET */
if (node->bits > bits && switch_test_subnet(ip, node->ip.v4, node->mask.v4)) {
if (node->ok) {
ok = SWITCH_TRUE;
} else {
ok = SWITCH_FALSE;
}
bits = node->bits;
if (token) {
*token = node->token;
}
}
}
return ok;
}
SWITCH_DECLARE(switch_status_t) switch_network_list_perform_add_cidr_token(switch_network_list_t *list, const char *cidr_str, switch_bool_t ok,
const char *token)
{
ip_t ip, mask;
uint32_t bits;
switch_network_node_t *node;
if (switch_parse_cidr(cidr_str, &ip, &mask, &bits)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Adding %s (%s) [%s] to list %s\n",
cidr_str, ok ? "allow" : "deny", switch_str_nil(token), list->name);
return SWITCH_STATUS_GENERR;
}
node = switch_core_alloc(list->pool, sizeof(*node));
node->ip = ip;
node->mask = mask;
node->ok = ok;
node->bits = bits;
node->str = switch_core_strdup(list->pool, cidr_str);
if (strchr(cidr_str,':')) {
node->family = AF_INET6;
} else {
node->family = AF_INET;
}
if (!zstr(token)) {
node->token = switch_core_strdup(list->pool, token);
}
node->next = list->node_head;
list->node_head = node;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding %s (%s) [%s] to list %s\n",
cidr_str, ok ? "allow" : "deny", switch_str_nil(token), list->name);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_network_list_add_cidr_token(switch_network_list_t *list, const char *cidr_str, switch_bool_t ok, const char *token)
{
char *cidr_str_dup = NULL;
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (strchr(cidr_str, ',')) {
char *argv[32] = { 0 };
int i, argc;
cidr_str_dup = strdup(cidr_str);
switch_assert(cidr_str_dup);
if ((argc = switch_separate_string(cidr_str_dup, ',', argv, (sizeof(argv) / sizeof(argv[0]))))) {
for (i = 0; i < argc; i++) {
switch_status_t this_status;
if ((this_status = switch_network_list_perform_add_cidr_token(list, argv[i], ok, token)) != SWITCH_STATUS_SUCCESS) {
status = this_status;
}
}
}
} else {
status = switch_network_list_perform_add_cidr_token(list, cidr_str, ok, token);
}
switch_safe_free(cidr_str_dup);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_network_list_add_host_mask(switch_network_list_t *list, const char *host, const char *mask_str, switch_bool_t ok)
{
ip_t ip, mask;
switch_network_node_t *node;
switch_inet_pton(AF_INET, host, &ip);
switch_inet_pton(AF_INET, mask_str, &mask);
node = switch_core_alloc(list->pool, sizeof(*node));
node->ip.v4 = ntohl(ip.v4);
node->mask.v4 = ntohl(mask.v4);
node->ok = ok;
/* http://graphics.stanford.edu/~seander/bithacks.html */
mask.v4 = mask.v4 - ((mask.v4 >> 1) & 0x55555555);
mask.v4 = (mask.v4 & 0x33333333) + ((mask.v4 >> 2) & 0x33333333);
node->bits = (((mask.v4 + (mask.v4 >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;
node->str = switch_core_sprintf(list->pool, "%s:%s", host, mask_str);
node->next = list->node_head;
list->node_head = node;
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(int) switch_parse_cidr(const char *string, ip_t *ip, ip_t *mask, uint32_t *bitp)
{
char host[128];
char *bit_str;
int32_t bits;
const char *ipv6;
ip_t *maskv = mask;
ip_t *ipv = ip;
memcpy(host, string, sizeof(host));
bit_str = strchr(host, '/');
if (!bit_str) {
return -1;
}
*bit_str++ = '\0';
bits = atoi(bit_str);
ipv6 = strchr(string, ':');
if (ipv6) {
int i,n;
if (bits < 0 || bits > 128) {
return -2;
}
bits = atoi(bit_str);
switch_inet_pton(AF_INET6, host, (unsigned char *)ip);
for (n=bits,i=0 ;i < 16; i++){
if (n >= 8) {
maskv->v6.s6_addr[i] = 0xFF;
n -= 8;
} else if (n < 8) {
maskv->v6.s6_addr[i] = 0xFF & ~(0xFF >> n);
n -= n;
} else if (n == 0) {
maskv->v6.s6_addr[i] = 0x00;
}
}
} else {
if (bits < 0 || bits > 32) {
return -2;
}
bits = atoi(bit_str);
switch_inet_pton(AF_INET, host, (unsigned char *)ip);
ipv->v4 = htonl(ipv->v4);
maskv->v4 = 0xFFFFFFFF & ~(0xFFFFFFFF >> bits);
}
*bitp = bits;
return 0;
}
SWITCH_DECLARE(char *) switch_find_end_paren(const char *s, char open, char close)
{
const char *e = NULL;
int depth = 0;
while (s && *s && *s == ' ') {
s++;
}
if (s && *s == open) {
depth++;
for (e = s + 1; e && *e; e++) {
if (*e == open && open != close) {
depth++;
} else if (*e == close) {
depth--;
if (!depth) {
break;
}
}
}
}
return (e && *e == close) ? (char *) e : NULL;
}
SWITCH_DECLARE(switch_size_t) switch_fd_read_line(int fd, char *buf, switch_size_t len)
{
char c, *p;
int cur;
switch_size_t total = 0;
p = buf;
while (total + 2 < len && (cur = read(fd, &c, 1)) == 1) {
total += cur;
*p++ = c;
if (c == '\r' || c == '\n') {
break;
}
}
*p++ = '\0';
assert(total < len);
return total;
}
SWITCH_DECLARE(char *) switch_amp_encode(char *s, char *buf, switch_size_t len)
{
char *p, *q;
switch_size_t x = 0;
switch_assert(s);
q = buf;
for (p = s; x < len; p++) {
switch (*p) {
case '<':
if (x + 4 > len - 1) {
goto end;
}
*q++ = '&';
*q++ = 'l';
*q++ = 't';
*q++ = ';';
x += 4;
break;
case '>':
if (x + 4 > len - 1) {
goto end;
}
*q++ = '&';
*q++ = 'g';
*q++ = 't';
*q++ = ';';
x += 4;
break;
default:
if (x + 1 > len - 1) {
goto end;
}
*q++ = *p;
x++;
if (*p == '\0') {
goto end;
}
break;
}
}
end:
return buf;
}
static const char switch_b64_table[65] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
#define B64BUFFLEN 1024
SWITCH_DECLARE(switch_status_t) switch_b64_encode(unsigned char *in, switch_size_t ilen, unsigned char *out, switch_size_t olen)
{
int y = 0, bytes = 0;
size_t x = 0;
unsigned int b = 0, l = 0;
for (x = 0; x < ilen; x++) {
b = (b << 8) + in[x];
l += 8;
while (l >= 6) {
out[bytes++] = switch_b64_table[(b >> (l -= 6)) % 64];
if (++y != 72) {
continue;
}
/* out[bytes++] = '\n'; */
y = 0;
}
}
if (l > 0) {
out[bytes++] = switch_b64_table[((b % 16) << (6 - l)) % 64];
}
if (l != 0) {
while (l < 6) {
out[bytes++] = '=', l += 2;
}
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_size_t) switch_b64_decode(char *in, char *out, switch_size_t olen)
{
char l64[256];
int b = 0, c, l = 0, i;
char *ip, *op = out;
size_t ol = 0;
for (i = 0; i < 256; i++) {
l64[i] = -1;
}
for (i = 0; i < 64; i++) {
l64[(int) switch_b64_table[i]] = (char) i;
}
for (ip = in; ip && *ip; ip++) {
c = l64[(int) *ip];
if (c == -1) {
continue;
}
b = (b << 6) + c;
l += 6;
while (l >= 8) {
op[ol++] = (char) ((b >> (l -= 8)) % 256);
if (ol >= olen - 2) {
goto end;
}
}
}
end:
op[ol++] = '\0';
return ol;
}
static int write_buf(int fd, const char *buf)
{
int len = (int) strlen(buf);
if (fd && write(fd, buf, len) != len) {
close(fd);
return 0;
}
return 1;
}
SWITCH_DECLARE(switch_bool_t) switch_simple_email(const char *to,
const char *from,
const char *headers,
const char *body, const char *file, const char *convert_cmd, const char *convert_ext)
{
char *bound = "XXXX_boundary_XXXX";
const char *mime_type = "audio/inline";
char filename[80], buf[B64BUFFLEN];
int fd = 0, ifd = 0;
int x = 0, y = 0, bytes = 0, ilen = 0;
unsigned int b = 0, l = 0;
unsigned char in[B64BUFFLEN];
unsigned char out[B64BUFFLEN + 512];
char *dupfile = NULL, *ext = NULL;
char *newfile = NULL;
switch_bool_t rval = SWITCH_FALSE;
if (!zstr(file) && !zstr(convert_cmd) && !zstr(convert_ext)) {
if ((ext = strrchr(file, '.'))) {
dupfile = strdup(file);
if ((ext = strrchr(dupfile, '.'))) {
*ext++ = '\0';
newfile = switch_mprintf("%s.%s", dupfile, convert_ext);
}
}
if (newfile) {
char cmd[1024] = "";
switch_snprintf(cmd, sizeof(cmd), "%s %s %s", convert_cmd, file, newfile);
switch_system(cmd, SWITCH_TRUE);
file = newfile;
}
switch_safe_free(dupfile);
}
switch_snprintf(filename, 80, "%smail.%d%04x", SWITCH_GLOBAL_dirs.temp_dir, (int) switch_epoch_time_now(NULL), rand() & 0xffff);
if ((fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644))) {
if (file) {
if ((ifd = open(file, O_RDONLY | O_BINARY)) < 1) {
rval = SWITCH_FALSE;
goto end;
}
}
switch_snprintf(buf, B64BUFFLEN, "MIME-Version: 1.0\nContent-Type: multipart/mixed; boundary=\"%s\"\n", bound);
if (!write_buf(fd, buf)) {
rval = SWITCH_FALSE;
goto end;
}
if (headers && !write_buf(fd, headers)) {
rval = SWITCH_FALSE;
goto end;
}
if (!write_buf(fd, "\n\n")) {
rval = SWITCH_FALSE;
goto end;
}
if (body && switch_stristr("content-type", body)) {
switch_snprintf(buf, B64BUFFLEN, "--%s\n", bound);
} else {
switch_snprintf(buf, B64BUFFLEN, "--%s\nContent-Type: text/plain\n\n", bound);
}
if (!write_buf(fd, buf)) {
rval = SWITCH_FALSE;
goto end;
}
if (body) {
if (!write_buf(fd, body)) {
rval = SWITCH_FALSE;
goto end;
}
}
if (file) {
const char *stipped_file = switch_cut_path(file);
const char *new_type;
char *ext;
if ((ext = strrchr(stipped_file, '.'))) {
ext++;
if ((new_type = switch_core_mime_ext2type(ext))) {
mime_type = new_type;
}
}
switch_snprintf(buf, B64BUFFLEN,
"\n\n--%s\nContent-Type: %s; name=\"%s\"\n"
"Content-ID: <ATTACHED@freeswitch.org>\n"
"Content-Transfer-Encoding: base64\n"
"Content-Description: Sound attachment.\n"
"Content-Disposition: attachment; filename=\"%s\"\n\n", bound, mime_type, stipped_file, stipped_file);
if (!write_buf(fd, buf)) {
rval = SWITCH_FALSE;
goto end;
}
while ((ilen = read(ifd, in, B64BUFFLEN))) {
for (x = 0; x < ilen; x++) {
b = (b << 8) + in[x];
l += 8;
while (l >= 6) {
out[bytes++] = switch_b64_table[(b >> (l -= 6)) % 64];
if (++y != 72)
continue;
out[bytes++] = '\n';
y = 0;
}
}
if (write(fd, &out, bytes) != bytes) {
rval = -1;
} else
bytes = 0;
}
if (l > 0) {
out[bytes++] = switch_b64_table[((b % 16) << (6 - l)) % 64];
}
if (l != 0)
while (l < 6) {
out[bytes++] = '=', l += 2;
}
if (write(fd, &out, bytes) != bytes) {
rval = -1;
}
}
switch_snprintf(buf, B64BUFFLEN, "\n\n--%s--\n.\n", bound);
if (!write_buf(fd, buf)) {
rval = SWITCH_FALSE;
goto end;
}
}
if (fd) {
close(fd);
}
if (ifd) {
close(ifd);
}
if (zstr(from)) {
from = "freeswitch";
}
#ifdef WIN32
switch_snprintf(buf, B64BUFFLEN, "type %s | %s -f %s %s %s", filename, runtime.mailer_app, from, runtime.mailer_app_args, to);
#else
switch_snprintf(buf, B64BUFFLEN, "/bin/cat %s | %s -f %s %s %s", filename, runtime.mailer_app, from, runtime.mailer_app_args, to);
#endif
if (switch_system(buf, SWITCH_TRUE) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to execute command: %s\n", buf);
}
if (unlink(filename) != 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Failed to delete file [%s]\n", filename);
}
if (file) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Emailed file [%s] to [%s]\n", filename, to);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Emailed data to [%s]\n", to);
}
rval = SWITCH_TRUE;
end:
if (newfile) {
unlink(newfile);
free(newfile);
}
return rval;
}
SWITCH_DECLARE(switch_bool_t) switch_is_lan_addr(const char *ip)
{
if (zstr(ip))
return SWITCH_FALSE;
return (strncmp(ip, "10.", 3) && /* 10.0.0.0 - 10.255.255.255 (10/8 prefix) */
strncmp(ip, "192.168.", 8) && /* 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) */
strncmp(ip, "127.", 4) && /* 127.0.0.0 - 127.255.255.255 (127/8 prefix) */
strncmp(ip, "255.", 4) &&
strncmp(ip, "0.", 2) &&
strncmp(ip, "1.", 2) &&
strncmp(ip, "2.", 2) &&
strncmp(ip, "172.16.", 7) && /* 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) */
strncmp(ip, "172.17.", 7) &&
strncmp(ip, "172.18.", 7) &&
strncmp(ip, "172.19.", 7) &&
strncmp(ip, "172.20.", 7) &&
strncmp(ip, "172.21.", 7) &&
strncmp(ip, "172.22.", 7) &&
strncmp(ip, "172.23.", 7) &&
strncmp(ip, "172.24.", 7) &&
strncmp(ip, "172.25.", 7) &&
strncmp(ip, "172.26.", 7) &&
strncmp(ip, "172.27.", 7) &&
strncmp(ip, "172.28.", 7) &&
strncmp(ip, "172.29.", 7) &&
strncmp(ip, "172.30.", 7) &&
strncmp(ip, "172.31.", 7) &&
strncmp(ip, "192.0.2.", 8) && /* 192.0.2.0 - 192.0.2.255 (192.0.2/24 prefix) */
strncmp(ip, "169.254.", 8) /* 169.254.0.0 - 169.254.255.255 (169.254/16 prefix) */
)? SWITCH_FALSE : SWITCH_TRUE;
}
SWITCH_DECLARE(switch_bool_t) switch_ast2regex(const char *pat, char *rbuf, size_t len)
{
const char *p = pat;
if (!pat) {
return SWITCH_FALSE;
}
memset(rbuf, 0, len);
*(rbuf + strlen(rbuf)) = '^';
while (p && *p) {
if (*p == 'N') {
strncat(rbuf, "[2-9]", len - strlen(rbuf));
} else if (*p == 'X') {
strncat(rbuf, "[0-9]", len - strlen(rbuf));
} else if (*p == 'Z') {
strncat(rbuf, "[1-9]", len - strlen(rbuf));
} else if (*p == '.') {
strncat(rbuf, ".*", len - strlen(rbuf));
} else if (strlen(rbuf) < len - 1) {
*(rbuf + strlen(rbuf)) = *p;
}
p++;
}
*(rbuf + strlen(rbuf)) = '$';
return strcmp(pat, rbuf) ? SWITCH_TRUE : SWITCH_FALSE;
}
SWITCH_DECLARE(char *) switch_replace_char(char *str, char from, char to, switch_bool_t dup)
{
char *p;
if (dup) {
p = strdup(str);
switch_assert(p);
} else {
p = str;
}
for (; p && *p; p++) {
if (*p == from) {
*p = to;
}
}
return p;
}
SWITCH_DECLARE(char *) switch_strip_whitespace(const char *str)
{
const char *sp = str;
char *p, *s = NULL;
size_t len;
if (zstr(sp)) {
return strdup(SWITCH_BLANK_STRING);
}
while ((*sp == 13 ) || (*sp == 10 ) || (*sp == 9 ) || (*sp == 32) || (*sp == 11) ) {
sp++;
}
if (zstr(sp)) {
return strdup(SWITCH_BLANK_STRING);
}
s = strdup(sp);
switch_assert(s);
if ((len = strlen(s)) > 0) {
p = s + (len - 1);
while ((p >= s) && ((*p == 13 ) || (*p == 10 ) || (*p == 9 ) || (*p == 32) || (*p == 11))) {
*p-- = '\0';
}
}
return s;
}
SWITCH_DECLARE(char *) switch_strip_spaces(char *str, switch_bool_t dup)
{
char *sp = str;
char *p, *s = NULL;
size_t len;
if (zstr(sp)) {
return dup ? strdup(SWITCH_BLANK_STRING) : sp;
}
while (*sp == ' ') {
sp++;
}
if (dup) {
s = strdup(sp);
switch_assert(s);
} else {
s = sp;
}
if (zstr(s)) {
return s;
}
if ((len = strlen(s)) > 0) {
p = s + (len - 1);
while (p && *p && (p >= s) && *p == ' ') {
*p-- = '\0';
}
}
return s;
}
SWITCH_DECLARE(char *) switch_strip_commas(char *in, char *out, switch_size_t len)
{
char *p = in, *q = out;
char *ret = out;
switch_size_t x = 0;
for (; p && *p; p++) {
if ((*p > 47 && *p < 58)) {
*q++ = *p;
} else if (*p != ',') {
ret = NULL;
break;
}
if (++x > len) {
ret = NULL;
break;
}
}
return ret;
}
SWITCH_DECLARE(char *) switch_strip_nonnumerics(char *in, char *out, switch_size_t len)
{
char *p = in, *q = out;
char *ret = out;
switch_size_t x = 0;
/* valid are 0 - 9, period (.), minus (-), and plus (+) - remove all others */
for (; p && *p; p++) {
if ((*p > 47 && *p < 58) || *p == '.' || *p == '-' || *p == '+') {
*q++ = *p;
}
if (++x > len) {
ret = NULL;
break;
}
}
return ret;
}
SWITCH_DECLARE(char *) switch_separate_paren_args(char *str)
{
char *e, *args;
switch_size_t br;
if ((args = strchr(str, '('))) {
e = args - 1;
*args++ = '\0';
while (*e == ' ') {
*e-- = '\0';
}
e = args;
br = 1;
while (e && *e) {
if (*e == '(') {
br++;
} else if (br > 1 && *e == ')') {
br--;
} else if (br == 1 && *e == ')') {
*e = '\0';
break;
}
e++;
}
}
return args;
}
SWITCH_DECLARE(switch_bool_t) switch_is_number(const char *str)
{
const char *p;
switch_bool_t r = SWITCH_TRUE;
if (*str == '-' || *str == '+') {
str++;
}
for (p = str; p && *p; p++) {
if (!(*p == '.' || (*p > 47 && *p < 58))) {
r = SWITCH_FALSE;
break;
}
}
return r;
}
SWITCH_DECLARE(const char *) switch_stristr(const char *instr, const char *str)
{
/*
** Rev History: 16/07/97 Greg Thayer Optimized
** 07/04/95 Bob Stout ANSI-fy
** 02/03/94 Fred Cole Original
** 09/01/03 Bob Stout Bug fix (lines 40-41) per Fred Bulback
**
** Hereby donated to public domain.
*/
const char *pptr, *sptr, *start;
if (!str || !instr)
return NULL;
for (start = str; *start; start++) {
/* find start of pattern in string */
for (; ((*start) && (switch_toupper(*start) != switch_toupper(*instr))); start++);
if (!*start)
return NULL;
pptr = instr;
sptr = start;
while (switch_toupper(*sptr) == switch_toupper(*pptr)) {
sptr++;
pptr++;
/* if end of pattern then pattern was found */
if (!*pptr)
return (start);
if (!*sptr)
return NULL;
}
}
return NULL;
}
#ifdef HAVE_GETIFADDRS
#include <ifaddrs.h>
static int get_netmask(struct sockaddr_in *me, int *mask)
{
struct ifaddrs *ifaddrs, *i = NULL;
if (!me || getifaddrs(&ifaddrs) < 0) {
return -1;
}
for (i = ifaddrs; i; i = i->ifa_next) {
struct sockaddr_in *s = (struct sockaddr_in *) i->ifa_addr;
struct sockaddr_in *m = (struct sockaddr_in *) i->ifa_netmask;
if (s && m && s->sin_addr.s_addr == me->sin_addr.s_addr) {
*mask = m->sin_addr.s_addr;
freeifaddrs(ifaddrs);
return 0;
}
}
freeifaddrs(ifaddrs);
return -2;
}
#elif defined(__linux__)
#include <sys/ioctl.h>
#include <net/if.h>
static int get_netmask(struct sockaddr_in *me, int *mask)
{
static struct ifreq ifreqs[20] = { {{{0}}} };
struct ifconf ifconf;
int nifaces, i;
int sock;
int r = -1;
memset(&ifconf, 0, sizeof(ifconf));
ifconf.ifc_buf = (char *) (ifreqs);
ifconf.ifc_len = sizeof(ifreqs);
if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
goto end;
}
if (ioctl(sock, SIOCGIFCONF, (char *) &ifconf) < 0) {
goto end;
}
nifaces = ifconf.ifc_len / sizeof(struct ifreq);
for (i = 0; i < nifaces; i++) {
struct sockaddr_in *sin = NULL;
struct in_addr ip;
ioctl(sock, SIOCGIFADDR, &ifreqs[i]);
sin = (struct sockaddr_in *) &ifreqs[i].ifr_addr;
ip = sin->sin_addr;
if (ip.s_addr == me->sin_addr.s_addr) {
ioctl(sock, SIOCGIFNETMASK, &ifreqs[i]);
sin = (struct sockaddr_in *) &ifreqs[i].ifr_addr;
/* mask = sin->sin_addr; */
*mask = sin->sin_addr.s_addr;
r = 0;
break;
}
}
end:
close(sock);
return r;
}
#elif defined(WIN32)
static int get_netmask(struct sockaddr_in *me, int *mask)
{
SOCKET sock = WSASocket(AF_INET, SOCK_DGRAM, 0, 0, 0, 0);
INTERFACE_INFO interfaces[20];
unsigned long bytes;
int interface_count, x;
int r = -1;
*mask = 0;
if (sock == SOCKET_ERROR) {
return -1;
}
if (WSAIoctl(sock, SIO_GET_INTERFACE_LIST, 0, 0, &interfaces, sizeof(interfaces), &bytes, 0, 0) == SOCKET_ERROR) {
r = -1;
goto end;
}
interface_count = bytes / sizeof(INTERFACE_INFO);
for (x = 0; x < interface_count; ++x) {
struct sockaddr_in *addr = (struct sockaddr_in *) &(interfaces[x].iiAddress);
if (addr->sin_addr.s_addr == me->sin_addr.s_addr) {
struct sockaddr_in *netmask = (struct sockaddr_in *) &(interfaces[x].iiNetmask);
*mask = netmask->sin_addr.s_addr;
r = 0;
break;
}
}
end:
closesocket(sock);
return r;
}
#else
static int get_netmask(struct sockaddr_in *me, int *mask)
{
return -1;
}
#endif
SWITCH_DECLARE(switch_status_t) switch_resolve_host(const char *host, char *buf, size_t buflen)
{
struct addrinfo *ai;
int err;
if ((err = getaddrinfo(host, 0, 0, &ai))) {
return SWITCH_STATUS_FALSE;
}
get_addr(buf, buflen, ai->ai_addr, sizeof(*ai->ai_addr));
freeaddrinfo(ai);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_DECLARE(switch_status_t) switch_find_local_ip(char *buf, int len, int *mask, int family)
{
switch_status_t status = SWITCH_STATUS_FALSE;
char *base;
char *force_local_ip_v4 = switch_core_get_variable_dup("force_local_ip_v4");
char *force_local_ip_v6 = switch_core_get_variable_dup("force_local_ip_v6");
#ifdef WIN32
SOCKET tmp_socket;
SOCKADDR_STORAGE l_address;
int l_address_len;
struct addrinfo *address_info;
#else
#ifdef __Darwin__
int ilen;
#else
unsigned int ilen;
#endif
int tmp_socket = -1, on = 1;
char abuf[25] = "";
#endif
switch (family) {
case AF_INET:
if (force_local_ip_v4) {
switch_copy_string(buf, force_local_ip_v4, len);
switch_safe_free(force_local_ip_v4);
switch_safe_free(force_local_ip_v6);
return SWITCH_STATUS_SUCCESS;
}
case AF_INET6:
if (force_local_ip_v6) {
switch_copy_string(buf, force_local_ip_v6, len);
switch_safe_free(force_local_ip_v4);
switch_safe_free(force_local_ip_v6);
return SWITCH_STATUS_SUCCESS;
}
default:
switch_safe_free(force_local_ip_v4);
switch_safe_free(force_local_ip_v6);
break;
}
if (len < 16) {
return status;
}
switch (family) {
case AF_INET:
switch_copy_string(buf, "127.0.0.1", len);
base = "82.45.148.209";
break;
case AF_INET6:
switch_copy_string(buf, "::1", len);
base = "2001:503:BA3E::2:30"; /* DNS Root server A */
break;
default:
base = "127.0.0.1";
break;
}
#ifdef WIN32
tmp_socket = socket(family, SOCK_DGRAM, 0);
getaddrinfo(base, NULL, NULL, &address_info);
if (!address_info || WSAIoctl(tmp_socket,
SIO_ROUTING_INTERFACE_QUERY,
address_info->ai_addr, (DWORD) address_info->ai_addrlen, &l_address, sizeof(l_address), (LPDWORD) & l_address_len, NULL,
NULL)) {
closesocket(tmp_socket);
if (address_info)
freeaddrinfo(address_info);
return status;
}
closesocket(tmp_socket);
freeaddrinfo(address_info);
if (!getnameinfo((const struct sockaddr *) &l_address, l_address_len, buf, len, NULL, 0, NI_NUMERICHOST)) {
status = SWITCH_STATUS_SUCCESS;
if (mask) {
get_netmask((struct sockaddr_in *) &l_address, mask);
}
}
#else
switch (family) {
case AF_INET:
{
struct sockaddr_in iface_out;
struct sockaddr_in remote;
memset(&remote, 0, sizeof(struct sockaddr_in));
remote.sin_family = AF_INET;
remote.sin_addr.s_addr = inet_addr(base);
remote.sin_port = htons(4242);
memset(&iface_out, 0, sizeof(iface_out));
tmp_socket = socket(AF_INET, SOCK_DGRAM, 0);
if (setsockopt(tmp_socket, SOL_SOCKET, SO_BROADCAST, &on, sizeof(on)) == -1) {
goto doh;
}
if (connect(tmp_socket, (struct sockaddr *) &remote, sizeof(struct sockaddr_in)) == -1) {
goto doh;
}
ilen = sizeof(iface_out);
if (getsockname(tmp_socket, (struct sockaddr *) &iface_out, &ilen) == -1) {
goto doh;
}
if (iface_out.sin_addr.s_addr == 0) {
goto doh;
}
switch_copy_string(buf, get_addr(abuf, sizeof(abuf), (struct sockaddr *) &iface_out, sizeof(iface_out)), len);
if (mask) {
get_netmask((struct sockaddr_in *) &iface_out, mask);
}
status = SWITCH_STATUS_SUCCESS;
}
break;
case AF_INET6:
{
struct sockaddr_in6 iface_out;
struct sockaddr_in6 remote;
memset(&remote, 0, sizeof(struct sockaddr_in6));
remote.sin6_family = AF_INET6;
switch_inet_pton(AF_INET6, base, &remote.sin6_addr);
remote.sin6_port = htons(4242);
memset(&iface_out, 0, sizeof(iface_out));
tmp_socket = socket(AF_INET6, SOCK_DGRAM, 0);
if (connect(tmp_socket, (struct sockaddr *) &remote, sizeof(remote)) == -1) {
goto doh;
}
ilen = sizeof(iface_out);
if (getsockname(tmp_socket, (struct sockaddr *) &iface_out, &ilen) == -1) {
goto doh;
}
if (iface_out.sin6_addr.s6_addr == 0) {
goto doh;
}
inet_ntop(AF_INET6, (const void *) &iface_out.sin6_addr, buf, len - 1);
status = SWITCH_STATUS_SUCCESS;
}
break;
}
doh:
if (tmp_socket > 0) {
close(tmp_socket);
tmp_socket = -1;
}
#endif
return status;
}
SWITCH_DECLARE(switch_time_t) switch_str_time(const char *in)
{
switch_time_exp_t tm = { 0 };
int proceed = 0, ovector[30];
switch_regex_t *re = NULL;
char replace[1024] = "";
switch_time_t ret = 0;
char *pattern = "^(\\d+)-(\\d+)-(\\d+)\\s*(\\d*):{0,1}(\\d*):{0,1}(\\d*)";
char *pattern2 = "^(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})";
switch_time_exp_lt(&tm, switch_micro_time_now());
tm.tm_year = tm.tm_mon = tm.tm_mday = tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
if (!(proceed = switch_regex_perform(in, pattern, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) {
switch_regex_safe_free(re);
proceed = switch_regex_perform(in, pattern2, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
}
if (proceed) {
if (proceed > 1) {
switch_regex_copy_substring(in, ovector, proceed, 1, replace, sizeof(replace));
tm.tm_year = atoi(replace) - 1900;
}
if (proceed > 2) {
switch_regex_copy_substring(in, ovector, proceed, 2, replace, sizeof(replace));
tm.tm_mon = atoi(replace) - 1;
}
if (proceed > 3) {
switch_regex_copy_substring(in, ovector, proceed, 3, replace, sizeof(replace));
tm.tm_mday = atoi(replace);
}
if (proceed > 4) {
switch_regex_copy_substring(in, ovector, proceed, 4, replace, sizeof(replace));
tm.tm_hour = atoi(replace);
}
if (proceed > 5) {
switch_regex_copy_substring(in, ovector, proceed, 5, replace, sizeof(replace));
tm.tm_min = atoi(replace);
}
if (proceed > 6) {
switch_regex_copy_substring(in, ovector, proceed, 6, replace, sizeof(replace));
tm.tm_sec = atoi(replace);
}
switch_regex_safe_free(re);
switch_time_exp_gmt_get(&ret, &tm);
return ret;
}
switch_regex_safe_free(re);
return ret;
}
SWITCH_DECLARE(const char *) switch_priority_name(switch_priority_t priority)
{
switch (priority) { /*lol */
case SWITCH_PRIORITY_NORMAL:
return "NORMAL";
case SWITCH_PRIORITY_LOW:
return "LOW";
case SWITCH_PRIORITY_HIGH:
return "HIGH";
default:
return "INVALID";
}
}
static char RFC2833_CHARS[] = "0123456789*#ABCDF";
#ifdef _MSC_VER
/* Copyright (c) 1996 by Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static const char *switch_inet_ntop4(const unsigned char *src, char *dst, size_t size);
#if HAVE_SIN6
static const char *switch_inet_ntop6(const unsigned char *src, char *dst, size_t size);
#endif
/* char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* return:
* pointer to presentation format address (`dst'), or NULL (see errno).
* author:
* Paul Vixie, 1996.
*/
SWITCH_DECLARE(const char *) switch_inet_ntop(int af, void const *src, char *dst, size_t size)
{
switch (af) {
case AF_INET:
return switch_inet_ntop4(src, dst, size);
#if HAVE_SIN6
case AF_INET6:
return switch_inet_ntop6(src, dst, size);
#endif
default:
return NULL;
}
/* NOTREACHED */
}
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address, more or less like inet_ntoa()
* return:
* `dst' (as a const)
* notes:
* (1) uses no statics
* (2) takes a unsigned char* not an in_addr as input
* author:
* Paul Vixie, 1996.
*/
static const char *switch_inet_ntop4(const unsigned char *src, char *dst, size_t size)
{
static const char fmt[] = "%u.%u.%u.%u";
char tmp[sizeof "255.255.255.255"];
if (switch_snprintf(tmp, sizeof tmp, fmt, src[0], src[1], src[2], src[3]) >= (int) size) {
return NULL;
}
return strcpy(dst, tmp);
}
#if HAVE_SIN6 || defined(NTDDI_VERSION)
/* const char *
* inet_ntop6(src, dst, size)
* convert IPv6 binary address into presentation (printable) format
* author:
* Paul Vixie, 1996.
*/
static const char *switch_inet_ntop6(unsigned char const *src, char *dst, size_t size)
{
/*
* Note that int32_t and int16_t need only be "at least" large enough
* to contain a value of the specified size. On some systems, like
* Crays, there is no such thing as an integer variable with 16 bits.
* Keep this in mind if you think this function should have been coded
* to use pointer overlays. All the world's not a VAX.
*/
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
struct {
int base, len;
} best = {
-1, 0}, cur = {
-1, 0};
unsigned int words[8];
int i;
/*
* Preprocess:
* Copy the input (bytewise) array into a wordwise array.
* Find the longest run of 0x00's in src[] for :: shorthanding.
*/
for (i = 0; i < 16; i += 2)
words[i / 2] = (src[i] << 8) | (src[i + 1]);
best.base = -1;
cur.base = -1;
for (i = 0; i < 8; i++) {
if (words[i] == 0) {
if (cur.base == -1)
cur.base = i, cur.len = 1;
else
cur.len++;
} else {
if (cur.base != -1) {
if (best.base == -1 || cur.len > best.len)
best = cur;
cur.base = -1;
}
}
}
if (cur.base != -1) {
if (best.base == -1 || cur.len > best.len)
best = cur;
}
if (best.base != -1 && best.len < 2)
best.base = -1;
/*
* Format the result.
*/
tp = tmp;
for (i = 0; i < 8; i++) {
/* Are we inside the best run of 0x00's? */
if (best.base != -1 && i >= best.base && i < (best.base + best.len)) {
if (i == best.base)
*tp++ = ':';
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if (i != 0)
*tp++ = ':';
/* Is this address an encapsulated IPv4? */
if (i == 6 && best.base == 0 && (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
if (!switch_inet_ntop4(src + 12, tp, sizeof tmp - (tp - tmp)))
return (NULL);
tp += strlen(tp);
break;
}
tp += sprintf(tp, "%x", words[i]);
}
/* Was it a trailing run of 0x00's? */
if (best.base != -1 && (best.base + best.len) == 8)
*tp++ = ':';
*tp++ = '\0';
/*
* Check for overflow, copy, and we're done.
*/
if ((size_t) (tp - tmp) >= size) {
return NULL;
}
return strcpy(dst, tmp);
}
#endif
#endif
SWITCH_DECLARE(int) get_addr_int(switch_sockaddr_t *sa)
{
struct sockaddr_in *s = (struct sockaddr_in *) &sa->sa;
return ntohs((unsigned short) s->sin_addr.s_addr);
}
SWITCH_DECLARE(int) switch_cmp_addr(switch_sockaddr_t *sa1, switch_sockaddr_t *sa2)
{
struct sockaddr_in *s1;
struct sockaddr_in *s2;
struct sockaddr_in6 *s16;
struct sockaddr_in6 *s26;
struct sockaddr *ss1;
struct sockaddr *ss2;
if (!(sa1 && sa2))
return 0;
s1 = (struct sockaddr_in *) &sa1->sa;
s2 = (struct sockaddr_in *) &sa2->sa;
s16 = (struct sockaddr_in6 *) &sa1->sa;
s26 = (struct sockaddr_in6 *) &sa2->sa;
ss1 = (struct sockaddr *) &sa1->sa;
ss2 = (struct sockaddr *) &sa2->sa;
if (ss1->sa_family != ss2->sa_family)
return 0;
switch (ss1->sa_family) {
case AF_INET:
return (s1->sin_addr.s_addr == s2->sin_addr.s_addr && s1->sin_port == s2->sin_port);
case AF_INET6:
if (s16->sin6_addr.s6_addr && s26->sin6_addr.s6_addr) {
int i;
if (s16->sin6_port != s26->sin6_port)
return 0;
for (i = 0; i < 4; i++) {
if (*((int32_t *) s16->sin6_addr.s6_addr + i) != *((int32_t *) s26->sin6_addr.s6_addr + i))
return 0;
}
return 1;
}
}
return 0;
}
SWITCH_DECLARE(char *) get_addr6(char *buf, switch_size_t len, struct sockaddr_in6 *sa, socklen_t salen)
{
switch_assert(buf);
*buf = '\0';
if (sa) {
#if defined(NTDDI_VERSION)
switch_inet_ntop6((unsigned char*)&(sa->sin6_addr), buf, len);
#else
inet_ntop(AF_INET6, &(sa->sin6_addr), buf, len);
#endif
}
return buf;
}
SWITCH_DECLARE(char *) get_addr(char *buf, switch_size_t len, struct sockaddr *sa, socklen_t salen)
{
switch_assert(buf);
*buf = '\0';
if (sa) {
getnameinfo(sa, salen, buf, (socklen_t) len, NULL, 0, NI_NUMERICHOST);
}
return buf;
}
SWITCH_DECLARE(unsigned short) get_port(struct sockaddr *sa)
{
unsigned short port = 0;
if (sa) {
switch (sa->sa_family) {
case AF_INET:
port = ntohs(((struct sockaddr_in *) sa)->sin_port);
break;
case AF_INET6:
port = ntohs(((struct sockaddr_in6 *) sa)->sin6_port);
break;
}
}
return port;
}
SWITCH_DECLARE(int) switch_build_uri(char *uri, switch_size_t size, const char *scheme, const char *user, const switch_sockaddr_t *sa, int flags)
{
char host[NI_MAXHOST], serv[NI_MAXSERV];
struct sockaddr_in6 si6;
const struct sockaddr *addr;
const char *colon;
if (flags & SWITCH_URI_NO_SCOPE && sa->family == AF_INET6) {
memcpy(&si6, &sa->sa, sa->salen);
si6.sin6_scope_id = 0;
addr = (const struct sockaddr *) &si6;
} else {
addr = (const struct sockaddr *) (intptr_t) & sa->sa;
}
if (getnameinfo(addr, sa->salen, host, sizeof(host), serv, sizeof(serv),
((flags & SWITCH_URI_NUMERIC_HOST) ? NI_NUMERICHOST : 0) | ((flags & SWITCH_URI_NUMERIC_PORT) ? NI_NUMERICSERV : 0)) != 0) {
return 0;
}
colon = strchr(host, ':');
return switch_snprintf(uri, size, "%s:%s%s%s%s%s%s%s", scheme,
user ? user : "", user ? "@" : "", colon ? "[" : "", host, colon ? "]" : "", serv[0] ? ":" : "", serv[0] ? serv : "");
}
SWITCH_DECLARE(char) switch_rfc2833_to_char(int event)
{
if (event > -1 && event < (int32_t) sizeof(RFC2833_CHARS)) {
return RFC2833_CHARS[event];
}
return '\0';
}
SWITCH_DECLARE(unsigned char) switch_char_to_rfc2833(char key)
{
char *c;
unsigned char counter = 0;
key = (char) switch_toupper(key);
for (c = RFC2833_CHARS; *c; c++) {
if (*c == key) {
return counter;
}
counter++;
}
return '\0';
}
SWITCH_DECLARE(char *) switch_escape_char(switch_memory_pool_t *pool, char *in, const char *delim, char esc)
{
char *data;
const char *p, *d;
int count = 1, i = 0;
p = in;
while (*p) {
d = delim;
while (*d) {
if (*p == *d) {
count++;
}
d++;
}
p++;
}
if (count == 1) {
return in;
}
data = switch_core_alloc(pool, strlen(in) + count);
p = in;
while (*p) {
d = delim;
while (*d) {
if (*p == *d) {
data[i++] = esc;
}
d++;
}
data[i++] = *p;
p++;
}
return data;
}
/* Helper function used when separating strings to unescape a character. The
supported characters are:
\n linefeed
\r carriage return
\t tab
\s space
Any other character is returned as it was received. */
static char unescape_char(char escaped)
{
char unescaped;
switch (escaped) {
case 'n':
unescaped = '\n';
break;
case 'r':
unescaped = '\r';
break;
case 't':
unescaped = '\t';
break;
case 's':
unescaped = ' ';
break;
default:
unescaped = escaped;
}
return unescaped;
}
SWITCH_DECLARE(char *) switch_escape_string(const char *in, char *out, switch_size_t outlen)
{
const char *p;
char *o = out;
for (p = in; *p; p++) {
switch (*p) {
case '\n':
*o++ = '\\';
*o++ = 'n';
break;
case '\r':
*o++ = '\\';
*o++ = 'r';
break;
case '\t':
*o++ = '\\';
*o++ = 't';
break;
case ' ':
*o++ = '\\';
*o++ = 's';
break;
case '$':
*o++ = '\\';
*o++ = '$';
break;
default:
*o++ = *p;
break;
}
}
*o++ = '\0';
return out;
}
SWITCH_DECLARE(char *) switch_escape_string_pool(const char *in, switch_memory_pool_t *pool)
{
int len = strlen(in) * 2;
char *buf = switch_core_alloc(pool, len);
return switch_escape_string(in, buf, len);
}
/* Helper function used when separating strings to remove quotes, leading /
trailing spaces, and to convert escaped characters. */
static char *cleanup_separated_string(char *str, char delim)
{
char *ptr;
char *dest;
char *start;
char *end = NULL;
int inside_quotes = 0;
/* Skip initial whitespace */
for (ptr = str; *ptr == ' '; ++ptr) {
}
for (start = dest = ptr; *ptr; ++ptr) {
char e;
int esc = 0;
if (*ptr == ESCAPE_META) {
e = *(ptr + 1);
if (e == '\'' || e == '"' || (delim && e == delim) || e == ESCAPE_META || (e = unescape_char(*(ptr + 1))) != *(ptr + 1)) {
++ptr;
*dest++ = e;
end = dest;
esc++;
}
}
if (!esc) {
if (*ptr == '\'') {
if ((inside_quotes = (1 - inside_quotes))) {
end = dest;
}
} else {
*dest++ = *ptr;
if (*ptr != ' ' || inside_quotes) {
end = dest;
}
}
}
}
if (end) {
*end = '\0';
}
return start;
}
SWITCH_DECLARE(unsigned int) switch_separate_string_string(char *buf, char *delim, char **array, unsigned int arraylen)
{
unsigned int count = 0;
char *d;
size_t dlen = strlen(delim);
array[count++] = buf;
while (count < arraylen && array[count - 1]) {
if ((d = strstr(array[count - 1], delim))) {
*d = '\0';
d += dlen;
array[count++] = d;
} else
break;
}
return count;
}
/* Separate a string using a delimiter that is not a space */
static unsigned int separate_string_char_delim(char *buf, char delim, char **array, unsigned int arraylen)
{
enum tokenizer_state {
START,
FIND_DELIM
} state = START;
unsigned int count = 0;
char *ptr = buf;
int inside_quotes = 0;
unsigned int i;
while (*ptr && count < arraylen) {
switch (state) {
case START:
array[count++] = ptr;
state = FIND_DELIM;
break;
case FIND_DELIM:
/* escaped characters are copied verbatim to the destination string */
if (*ptr == ESCAPE_META) {
++ptr;
} else if (*ptr == '\'') {
inside_quotes = (1 - inside_quotes);
} else if (*ptr == delim && !inside_quotes) {
*ptr = '\0';
state = START;
}
++ptr;
break;
}
}
/* strip quotes, escaped chars and leading / trailing spaces */
for (i = 0; i < count; ++i) {
array[i] = cleanup_separated_string(array[i], delim);
}
return count;
}
/* Separate a string using a delimiter that is a space */
static unsigned int separate_string_blank_delim(char *buf, char **array, unsigned int arraylen)
{
enum tokenizer_state {
START,
SKIP_INITIAL_SPACE,
FIND_DELIM,
SKIP_ENDING_SPACE
} state = START;
unsigned int count = 0;
char *ptr = buf;
int inside_quotes = 0;
unsigned int i;
while (*ptr && count < arraylen) {
switch (state) {
case START:
array[count++] = ptr;
state = SKIP_INITIAL_SPACE;
break;
case SKIP_INITIAL_SPACE:
if (*ptr == ' ') {
++ptr;
} else {
state = FIND_DELIM;
}
break;
case FIND_DELIM:
if (*ptr == ESCAPE_META) {
++ptr;
} else if (*ptr == '\'') {
inside_quotes = (1 - inside_quotes);
} else if (*ptr == ' ' && !inside_quotes) {
*ptr = '\0';
state = SKIP_ENDING_SPACE;
}
++ptr;
break;
case SKIP_ENDING_SPACE:
if (*ptr == ' ') {
++ptr;
} else {
state = START;
}
break;
}
}
/* strip quotes, escaped chars and leading / trailing spaces */
for (i = 0; i < count; ++i) {
array[i] = cleanup_separated_string(array[i], 0);
}
return count;
}
SWITCH_DECLARE(unsigned int) switch_separate_string(char *buf, char delim, char **array, unsigned int arraylen)
{
if (!buf || !array || !arraylen) {
return 0;
}
memset(array, 0, arraylen * sizeof(*array));
return (delim == ' ' ? separate_string_blank_delim(buf, array, arraylen) : separate_string_char_delim(buf, delim, array, arraylen));
}
SWITCH_DECLARE(const char *) switch_cut_path(const char *in)
{
const char *p, *ret = in;
const char delims[] = "/\\";
const char *i;
if (in) {
for (i = delims; *i; i++) {
p = in;
while ((p = strchr(p, *i)) != 0) {
ret = ++p;
}
}
return ret;
} else {
return NULL;
}
}
SWITCH_DECLARE(switch_status_t) switch_string_match(const char *string, size_t string_len, const char *search, size_t search_len)
{
size_t i;
for (i = 0; (i < search_len) && (i < string_len); i++) {
if (string[i] != search[i]) {
return SWITCH_STATUS_FALSE;
}
}
if (i == search_len) {
return SWITCH_STATUS_SUCCESS;
}
return SWITCH_STATUS_FALSE;
}
SWITCH_DECLARE(char *) switch_string_replace(const char *string, const char *search, const char *replace)
{
size_t string_len = strlen(string);
size_t search_len = strlen(search);
size_t replace_len = strlen(replace);
size_t i, n;
size_t dest_len = 0;
char *dest, *tmp;
dest = (char *) malloc(sizeof(char));
switch_assert(dest);
for (i = 0; i < string_len; i++) {
if (switch_string_match(string + i, string_len - i, search, search_len) == SWITCH_STATUS_SUCCESS) {
for (n = 0; n < replace_len; n++) {
dest[dest_len] = replace[n];
dest_len++;
tmp = (char *) realloc(dest, sizeof(char) * (dest_len + 1));
switch_assert(tmp);
dest = tmp;
}
i += search_len - 1;
} else {
dest[dest_len] = string[i];
dest_len++;
tmp = (char *) realloc(dest, sizeof(char) * (dest_len + 1));
switch_assert(tmp);
dest = tmp;
}
}
dest[dest_len] = 0;
return dest;
}
SWITCH_DECLARE(char *) switch_util_quote_shell_arg(const char *string)
{
size_t string_len = strlen(string);
size_t i;
size_t n = 0;
size_t dest_len = string_len + 1; /* +1 for the opening quote */
char *dest, *tmp;
dest = (char *) malloc(sizeof(char) * dest_len);
switch_assert(dest);
#ifdef WIN32
dest[n++] = '"';
#else
dest[n++] = '\'';
#endif
for (i = 0; i < string_len; i++) {
switch (string[i]) {
#ifdef WIN32
case '"':
case '%':
dest[n++] = ' ';
break;
#else
case '\'':
/* We replace ' by '\'' */
dest_len += 3;
tmp = (char *) realloc(dest, sizeof(char) * (dest_len));
switch_assert(tmp);
dest = tmp;
dest[n++] = '\'';
dest[n++] = '\\';
dest[n++] = '\'';
dest[n++] = '\'';
break;
#endif
default:
dest[n++] = string[i];
}
}
dest_len += 2; /* +2 for the closing quote and the null character */
tmp = (char *) realloc(dest, sizeof(char) * (dest_len));
switch_assert(tmp);
dest = tmp;
#ifdef WIN32
dest[n++] = '"';
#else
dest[n++] = '\'';
#endif
dest[n++] = 0;
switch_assert(n == dest_len);
return dest;
}
SWITCH_DECLARE(int) switch_socket_waitfor(switch_pollfd_t *poll, int ms)
{
int nsds = 0;
switch_poll(poll, 1, &nsds, ms);
return nsds;
}
SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len)
{
const char *p;
size_t x = 0;
const char urlunsafe[] = "\r\n \"#%&+:;<=>?@[\\]^`{|}";
const char hex[] = "0123456789ABCDEF";
if (!buf) {
return 0;
}
if (!url) {
return 0;
}
len--;
for (p = url; *p; p++) {
if (x >= len) {
break;
}
if (*p < ' ' || *p > '~' || strchr(urlunsafe, *p)) {
if ((x + 3) > len) {
break;
}
buf[x++] = '%';
buf[x++] = hex[(*p >> 4) & 0x0f];
buf[x++] = hex[*p & 0x0f];
} else {
buf[x++] = *p;
}
}
buf[x] = '\0';
return buf;
}
SWITCH_DECLARE(char *) switch_url_decode(char *s)
{
char *o;
unsigned int tmp;
if (zstr(s)) {
return s;
}
for (o = s; *s; s++, o++) {
if (*s == '%' && strlen(s) > 2 && sscanf(s + 1, "%2x", &tmp) == 1) {
*o = (char) tmp;
s += 2;
} else {
*o = *s;
}
}
*o = '\0';
return s;
}
SWITCH_DECLARE(void) switch_split_time(const char *exp, int *hour, int *min, int *sec)
{
char *dup = strdup(exp);
char *shour = NULL;
char *smin = NULL;
char *ssec = NULL;
switch_assert(dup);
shour = dup;
if ((smin=strchr(dup, ':'))) {
*smin++ = '\0';
if ((ssec=strchr(smin, ':'))) {
*ssec++ = '\0';
} else {
ssec = "00";
}
if (hour && shour) {
*hour = atol(shour);
}
if (min && smin) {
*min = atol(smin);
}
if (sec && ssec) {
*sec = atol(ssec);
}
}
switch_safe_free(dup);
return;
}
SWITCH_DECLARE(void) switch_split_date(const char *exp, int *year, int *month, int *day)
{
char *dup = strdup(exp);
char *syear = NULL;
char *smonth = NULL;
char *sday = NULL;
switch_assert(dup);
syear = dup;
if ((smonth=strchr(dup, '-'))) {
*smonth++ = '\0';
if ((sday=strchr(smonth, '-'))) {
*sday++ = '\0';
if (year && syear) {
*year = atol(syear);
}
if (month && smonth) {
*month = atol(smonth);
}
if (day && sday) {
*day = atol(sday);
}
}
}
switch_safe_free(dup);
return;
}
/* Ex exp value "2009-10-10 14:33:22~2009-11-10 17:32:31" */
SWITCH_DECLARE(int) switch_fulldate_cmp(const char *exp, switch_time_t *ts)
{
char *dup = strdup(exp);
char *sStart;
char *sEnd;
char *sDate;
char *sTime;
switch_time_t tsStart;
switch_time_t tsEnd;
switch_assert(dup);
sStart = dup;
if ((sEnd=strchr(dup, '~'))) {
*sEnd++ = '\0';
sDate = sStart;
if ((sTime=strchr(sStart, ' '))) {
struct tm tmTmp;
int year, month, day;
int hour, min, sec;
*sTime++ = '\0';
switch_split_date(sDate, &year, &month, &day);
switch_split_time(sTime, &hour, &min, &sec);
tmTmp.tm_year = year;
tmTmp.tm_mon = month;
tmTmp.tm_mday = day;
tmTmp.tm_hour = hour;
tmTmp.tm_min = min;
tmTmp.tm_sec = sec;
tmTmp.tm_isdst = 0;
tsStart = mktime(&tmTmp);
sDate = sEnd;
if ((sTime=strchr(sEnd, ' '))) {
struct tm tmTmp;
int year, month, day;
int hour, min, sec;
*sTime++ = '\0';
switch_split_date(sDate, &year, &month, &day);
switch_split_time(sTime, &hour, &min, &sec);
tmTmp.tm_year = year;
tmTmp.tm_mon = month;
tmTmp.tm_mday = day;
tmTmp.tm_hour = hour;
tmTmp.tm_min = min;
tmTmp.tm_sec = sec;
tmTmp.tm_isdst = 0;
tsEnd = mktime(&tmTmp);
if (tsStart <= *ts && tsEnd > *ts) {
switch_safe_free(dup);
return 1;
}
}
}
}
switch_safe_free(dup);
return 0;
}
/* Written by Marc Espie, public domain */
#define SWITCH_CTYPE_NUM_CHARS 256
const short _switch_C_toupper_[1 + SWITCH_CTYPE_NUM_CHARS] = {
EOF,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
const short *_switch_toupper_tab_ = _switch_C_toupper_;
SWITCH_DECLARE(int) switch_toupper(int c)
{
if ((unsigned int) c > 255)
return (c);
if (c < -1)
return EOF;
return ((_switch_toupper_tab_ + 1)[c]);
}
const short _switch_C_tolower_[1 + SWITCH_CTYPE_NUM_CHARS] = {
EOF,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
0x40, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
const short *_switch_tolower_tab_ = _switch_C_tolower_;
SWITCH_DECLARE(int) switch_tolower(int c)
{
if ((unsigned int) c > 255)
return (c);
if (c < -1)
return EOF;
return ((_switch_tolower_tab_ + 1)[c]);
}
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#undef _U
#undef _L
#undef _N
#undef _S
#undef _P
#undef _C
#undef _X
#undef _B
#define _U 0x01
#define _L 0x02
#define _N 0x04
#define _S 0x08
#define _P 0x10
#define _C 0x20
#define _X 0x40
#define _B 0x80
const int _switch_C_ctype_[1 + SWITCH_CTYPE_NUM_CHARS] = {
0,
_C, _C, _C, _C, _C, _C, _C, _C,
_C, _C | _S, _C | _S, _C | _S, _C | _S, _C | _S, _C, _C,
_C, _C, _C, _C, _C, _C, _C, _C,
_C, _C, _C, _C, _C, _C, _C, _C,
_S | _B, _P, _P, _P, _P, _P, _P, _P,
_P, _P, _P, _P, _P, _P, _P, _P,
_N, _N, _N, _N, _N, _N, _N, _N,
_N, _N, _P, _P, _P, _P, _P, _P,
_P, _U | _X, _U | _X, _U | _X, _U | _X, _U | _X, _U | _X, _U,
_U, _U, _U, _U, _U, _U, _U, _U,
_U, _U, _U, _U, _U, _U, _U, _U,
_U, _U, _U, _P, _P, _P, _P, _P,
_P, _L | _X, _L | _X, _L | _X, _L | _X, _L | _X, _L | _X, _L,
_L, _L, _L, _L, _L, _L, _L, _L,
_L, _L, _L, _L, _L, _L, _L, _L,
/* determine printability based on the IS0 8859 8-bit standard */
_L, _L, _L, _P, _P, _P, _P, _C,
_C, _C, _C, _C, _C, _C, _C, _C, /* 80 */
_C, _C, _C, _C, _C, _C, _C, _C, /* 88 */
_C, _C, _C, _C, _C, _C, _C, _C, /* 90 */
_C, _C, _C, _C, _C, _C, _C, _C, /* 98 */
_P, _P, _P, _P, _P, _P, _P, _P, /* A0 */
_P, _P, _P, _P, _P, _P, _P, _P, /* A8 */
_P, _P, _P, _P, _P, _P, _P, _P, /* B0 */
_P, _P, _P, _P, _P, _P, _P, _P, /* B8 */
_P, _P, _P, _P, _P, _P, _P, _P, /* C0 */
_P, _P, _P, _P, _P, _P, _P, _P, /* C8 */
_P, _P, _P, _P, _P, _P, _P, _P, /* D0 */
_P, _P, _P, _P, _P, _P, _P, _P, /* D8 */
_P, _P, _P, _P, _P, _P, _P, _P, /* E0 */
_P, _P, _P, _P, _P, _P, _P, _P, /* E8 */
_P, _P, _P, _P, _P, _P, _P, _P, /* F0 */
_P, _P, _P, _P, _P, _P, _P, _P /* F8 */
};
const int *_switch_ctype_ = _switch_C_ctype_;
SWITCH_DECLARE(int) switch_isalnum(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & (_U | _L | _N)));
}
SWITCH_DECLARE(int) switch_isalpha(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & (_U | _L)));
}
SWITCH_DECLARE(int) switch_iscntrl(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _C));
}
SWITCH_DECLARE(int) switch_isdigit(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _N));
}
SWITCH_DECLARE(int) switch_isgraph(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & (_P | _U | _L | _N)));
}
SWITCH_DECLARE(int) switch_islower(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _L));
}
SWITCH_DECLARE(int) switch_isprint(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & (_P | _U | _L | _N | _B)));
}
SWITCH_DECLARE(int) switch_ispunct(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _P));
}
SWITCH_DECLARE(int) switch_isspace(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _S));
}
SWITCH_DECLARE(int) switch_isupper(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & _U));
}
SWITCH_DECLARE(int) switch_isxdigit(int c)
{
return (c < 0 ? 0 : c > 255 ? 0 : ((_switch_ctype_ + 1)[(unsigned char) c] & (_N | _X)));
}
static const char *DOW[] = {
"sun",
"mon",
"tue",
"wed",
"thu",
"fri",
"sat"
};
SWITCH_DECLARE(const char *) switch_dow_int2str(int val) {
if (val >= switch_arraylen(DOW)) {
val = val % switch_arraylen(DOW);
}
return DOW[val];
}
SWITCH_DECLARE(int) switch_dow_str2int(const char *exp) {
int ret = -1;
int x;
for (x = 0; x < switch_arraylen(DOW); x++) {
if (!strncasecmp(DOW[x], exp, 3)) {
ret = x + 1;
break;
}
}
return ret;
}
typedef enum {
DOW_ERR = -2,
DOW_EOF = -1,
DOW_SUN = 1,
DOW_MON,
DOW_TUE,
DOW_WED,
DOW_THU,
DOW_FRI,
DOW_SAT,
DOW_HYPHEN = '-',
DOW_COMA = ','
} dow_t;
static inline dow_t _dow_read_token(const char **s)
{
int i;
if (**s == '-') {
(*s)++;
return DOW_HYPHEN;
} else if (**s == ',') {
(*s)++;
return DOW_COMA;
} else if (**s >= '1' && **s <= '7') {
dow_t r = **s - '0';
(*s)++;
return r;
} else if ((i = switch_dow_str2int(*s)) && i != -1) {
(*s) += 3;
return i;
} else if (!**s) {
return DOW_EOF;
} else {
return DOW_ERR;
}
}
SWITCH_DECLARE(switch_bool_t) switch_dow_cmp(const char *exp, int val)
{
dow_t cur, prev = DOW_EOF, range_start = DOW_EOF;
const char *p = exp;
while ((cur = _dow_read_token(&p)) != DOW_EOF) {
if (cur == DOW_COMA) {
/* Reset state */
cur = prev = DOW_EOF;
} else if (cur == DOW_HYPHEN) {
/* Save the previous token and move to the next one */
range_start = prev;
} else if (cur == DOW_ERR) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Parse error for [%s] at position %ld (%.6s)\n", exp, (long) (p - exp), p);
break;
} else {
/* Valid day found */
if (range_start != DOW_EOF) { /* Evaluating a range */
if (val >= range_start && val <= cur) {
return SWITCH_TRUE;
}
range_start = DOW_EOF;
} else if (val == cur) {
return SWITCH_TRUE;
}
}
prev = cur;
}
return SWITCH_FALSE;
}
SWITCH_DECLARE(int) switch_number_cmp(const char *exp, int val)
{
char *p;
if ((p = strchr(exp, '-'))) {
int min;
int max;
min = atol(exp);
p++;
max = atol(p);
if (val >= min && val <= max) {
return 1;
}
} else if ((p = strchr(exp, ','))) {
const char *cur = exp;
p++;
while (cur) {
if (atol(cur) == val) {
return 1;
}
cur = p;
if (p && p + 1) {
if ((p = strchr((p + 1), ','))) {
p++;
}
}
}
} else {
if (atol(exp) == val) {
return 1;
}
}
return 0;
}
SWITCH_DECLARE(int) switch_tod_cmp(const char *exp, int val)
{
char *dup = strdup(exp);
char *minh;
char *minm;
char *mins;
char *maxh;
char *maxm;
char *maxs;
switch_assert(dup);
minh = dup;
if ((minm=strchr(dup, ':'))) {
*minm++ = '\0';
if ((maxh=strchr(minm, '-'))) {
if ((maxm=strchr(maxh, ':'))) {
*maxh++ = '\0';
*maxm++ = '\0';
/* Check if min/max seconds are present */
if ((mins=strchr(minm, ':'))) {
*mins++ = '\0';
} else {
mins = "00";
}
if ((maxs=strchr(maxm, ':'))) {
*maxs++ = '\0';
} else {
maxs = "00";
}
if (val >= (atol(minh) * 60 * 60) + (atol(minm) * 60) + atol(mins) && val < (atol(maxh) * 60 * 60) + (atol(maxm) * 60) + atol(maxs)) {
switch_safe_free(dup);
return 1;
}
}
}
}
switch_safe_free(dup);
return 0;
}
SWITCH_DECLARE(int) switch_split_user_domain(char *in, char **user, char **domain)
{
char *p = NULL, *h = NULL, *u = in;
if (!in) {
return 0;
}
/* First isolate the host part from the user part */
if ((h = strchr(u, '@'))) {
*h++ = '\0';
}
/* Clean out the user part of its protocol prefix (if any) */
if ((p = strchr(u, ':'))) {
*p++ = '\0';
u = p;
}
/* Clean out the host part of any suffix */
if (h) {
if ((p = strchr(h, ':'))) {
*p = '\0';
}
if ((p = strchr(h, ';'))) {
*p = '\0';
}
if ((p = strchr(h, ' '))) {
*p = '\0';
}
}
if (user) {
*user = u;
}
if (domain) {
*domain = h;
}
return 1;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/