static int crlf_load_attributes(struct crlf_attrs *ca, git_repository *repo, const char *path)
{
#define NUM_CONV_ATTRS 3
static const char *attr_names[NUM_CONV_ATTRS] = {
"crlf", "eol", "text",
};
const char *attr_vals[NUM_CONV_ATTRS];
int error;
error = git_attr_get_many(attr_vals,
repo, 0, path, NUM_CONV_ATTRS, attr_names);
if (error == GIT_ENOTFOUND) {
ca->crlf_action = GIT_CRLF_GUESS;
ca->eol = GIT_EOL_UNSET;
return 0;
}
if (error == 0) {
ca->crlf_action = check_crlf(attr_vals[2]); /* text */
if (ca->crlf_action == GIT_CRLF_GUESS)
ca->crlf_action = check_crlf(attr_vals[0]); /* clrf */
ca->eol = check_eol(attr_vals[1]); /* eol */
return 0;
}
return -1;
}
bool parse_message(t_parser *parser, char *message)
{
if (message == NULL)
return (false);
if (check_prefixe(parser, message) == true &&
check_command(parser, message) == true &&
check_params(parser, message) == true &&
check_crlf(parser, message) == true)
return (true);
return (false);
}
static int crlf_check(
git_filter *self,
void **payload, /* points to NULL ptr on entry, may be set */
const git_filter_source *src,
const char **attr_values)
{
int error;
struct crlf_attrs ca;
GIT_UNUSED(self);
if (!attr_values) {
ca.crlf_action = GIT_CRLF_GUESS;
ca.eol = GIT_EOL_UNSET;
} else {
ca.crlf_action = check_crlf(attr_values[2]); /* text */
if (ca.crlf_action == GIT_CRLF_GUESS)
ca.crlf_action = check_crlf(attr_values[0]); /* clrf */
ca.eol = check_eol(attr_values[1]); /* eol */
}
ca.auto_crlf = GIT_AUTO_CRLF_DEFAULT;
/*
* Use the core Git logic to see if we should perform CRLF for this file
* based on its attributes & the value of `core.autocrlf`
*/
ca.crlf_action = crlf_input_action(&ca);
if (ca.crlf_action == GIT_CRLF_BINARY)
return GIT_PASSTHROUGH;
if (ca.crlf_action == GIT_CRLF_GUESS ||
(ca.crlf_action == GIT_CRLF_AUTO &&
git_filter_source_mode(src) == GIT_FILTER_SMUDGE)) {
error = git_repository__cvar(
&ca.auto_crlf, git_filter_source_repo(src), GIT_CVAR_AUTO_CRLF);
if (error < 0)
return error;
if (ca.auto_crlf == GIT_AUTO_CRLF_FALSE)
return GIT_PASSTHROUGH;
if (ca.auto_crlf == GIT_AUTO_CRLF_INPUT &&
git_filter_source_mode(src) == GIT_FILTER_SMUDGE)
return GIT_PASSTHROUGH;
}
if (git_filter_source_mode(src) == GIT_FILTER_CLEAN) {
error = git_repository__cvar(
&ca.safe_crlf, git_filter_source_repo(src), GIT_CVAR_SAFE_CRLF);
if (error < 0)
return error;
/* downgrade FAIL to WARN if ALLOW_UNSAFE option is used */
if ((git_filter_source_options(src) & GIT_FILTER_OPT_ALLOW_UNSAFE) &&
ca.safe_crlf == GIT_SAFE_CRLF_FAIL)
ca.safe_crlf = GIT_SAFE_CRLF_WARN;
}
*payload = git__malloc(sizeof(ca));
GITERR_CHECK_ALLOC(*payload);
memcpy(*payload, &ca, sizeof(ca));
return 0;
}
int http_parse_get(struct http_request_s *r, unsigned char* data)
{
/* rollback */
r->host_len = 0;
r->uri_len = 0;
r->url_len = 0;
r->referer_len = 0;
r->cookie_len = 0;
r->user_agent_len = 0;
/* 非必须头域初始化为空 */
r->cookie[0] = '\0';
r->referer[0] = '\0';
char* buf = (char *)data;
char *sep = NULL;
int len = 0, flag = 0;
unsigned int cnt = 0;
//buf += 4;
//detect URI
sep = strchr(buf, ' ');
if (sep == 0)
return IPTRAFFIC_FUNC_ERROR;
len = sep - buf;
if (len <= MAX_URI_LEN)
{
r->uri_len = len;
*(r->uri + len) = '\0';
memcpy(r->uri, buf, len);
}
//start parse header
buf = strstr(buf, "\r\n");
while(buf != 0 && cnt < 6)
{
buf = buf + 2;
if ( (*buf != '\0' && *(buf + 1) != '\0' && check_crlf(buf, 2)))
break;
sep = strstr(buf, "\r\n");
if (sep == 0)
{
flag = 1;
sep = buf + strlen(buf);
}
switch(buf[0])
{
case 'h':
case 'H':
if ((sep - buf > 7) && (0 == strncasecmp("Host:", buf, 5))) //Host: man.chinaunix.net
{
len = (buf[5] == ' ') ? 6 : 5;
buf = buf + len;
len = sep - buf;
if (len <= MAX_HOST_LEN)
{
r->host_len = len;
*(r->host + len) = '\0';
memcpy(r->host, buf, len);
}
cnt++;
}
break;
case 'u':
case 'U':
if ((sep - buf > 12) && (0 == strncasecmp("User-Agent:", buf, 11))) //User-Agent: Mozilla/5.0 Firefox/21.0
{
len = (buf[11] == ' ') ? 12 : 11;
buf = buf + len;
len = sep - buf;
if (len <= MAX_AGENT_LEN)
{
r->user_agent_len = len;
*(r->user_agent + len) = '\0';
memcpy(r->user_agent, buf, len);
}
cnt++;
}
break;
case 'r':
case 'R':
if ((sep - buf > 10) && (0 == strncasecmp("Referer:", buf, 8))) //Referer: http://man.chinaunix.net/develop/c&c++/linux_c/default.htm
{
len = (buf[8] == ' ') ? 9 : 8;
buf = buf + len;
len = sep - buf;
if (len < MAX_REF_LEN)
{
r->referer_len = len;
*(r->referer + len) = '\0';
memcpy(r->referer, buf, len);
}
cnt++;
}
break;
case 'c':
case 'C':
if ((sep - buf > 9) && (0 == strncasecmp("Cookie:", buf, 7))) //Cookie: __utma=225341893.1493557647;
{
len = (buf[7] == ' ') ? 8 : 7;
buf = buf + len;
len = sep - buf;
if (len < MAX_COOKIE_LEN)
{
r->cookie_len = len;
*(r->cookie + len) = '\0';
memcpy(r->cookie, buf, len);
}
cnt++;
}
break;
default:
break;
}
if (flag == 1)
break;
buf = sep;
}
strcpy(r->url, r->host);
if (strcmp(r->uri, "/") != 0)
{
strcat(r->url, r->uri);
}
r->url_len = strlen(r->url);
return IPTRAFFIC_FUNC_SUCCESS;
}
int http_parse_get(http_request_t *r, u_char *data)
{
/* rollback */
r->host_len = 0;
r->uri_len = 0;
r->x_requested_with_len = 0;
r->referer_len = 0;
r->cookie_len = 0;
r->proxy = FALSE;
r->user_agent_len = 0;
char* buf = (char *)data;
char *sep = NULL;
int len = 0, flag = 0;
unsigned int cnt = 0;
buf += 4;
//detect URI
sep = strchr(buf, ' ');
if (sep == 0)
return -1;
len = sep - buf;
if (len < MAX_URI_LEN)
{
bzero(r->uri, MAX_URI_LEN);
r->uri_len = len;
*(r->uri + len) = '\0';
memcpy(r->uri, buf, len);
}
//start parse header
buf = strstr(buf, "\r\n");
while(buf != 0 && cnt < 6)
{
buf = buf + 2;
if ( (*buf != '\0' && *(buf + 1) != '\0' && check_crlf(buf, 2)) || *buf == NULL)
break;
sep = strstr(buf, "\r\n");
if (sep == 0)
{
flag = 1;
sep = buf + strlen(buf);
}
switch(buf[0])
{
case 'h':
case 'H':
if ((sep - buf > 7) && buf[3] == 't' && buf[4] == ':') //Host: man.chinaunix.net
{
len = (buf[5] == ' ') ? 6 : 5;
buf = buf + len;
len = sep - buf;
if (len < MAX_HOST_LEN)
{
bzero(r->host, MAX_HOST_LEN);
r->host_len = len;
*(r->host + len) = '\0';
memcpy(r->host, buf, len);
}
cnt++;
}
break;
case 'u':
case 'U':
if ((sep - buf > 12) && buf[5] == 'A' && buf[9] == 't' && buf[10] == ':') //User-Agent: Mozilla/5.0 Firefox/21.0
{
len = (buf[11] == ' ') ? 12 : 11;
buf = buf + len;
len = sep - buf;
if (len < MAX_AGENT_LEN)
{
bzero(r->user_agent, MAX_AGENT_LEN);
r->user_agent_len = len;
*(r->user_agent + len) = '\0';
memcpy(r->user_agent, buf, len);
}
cnt++;
}
break;
case 'r':
case 'R':
if ((sep - buf > 10) && buf[6] == 'r' && buf[7] == ':') //Referer: http://man.chinaunix.net/develop/c&c++/linux_c/default.htm
{
len = (buf[8] == ' ') ? 9 : 8;
buf = buf + len;
len = sep - buf;
if (len < MAX_REF_LEN)
{
bzero(r->referer, MAX_REF_LEN);
r->referer_len = len;
*(r->referer + len) = '\0';
memcpy(r->referer, buf, len);
}
cnt++;
}
break;
case 'c':
case 'C':
if ((sep - buf > 9) && buf[5] == 'e' && buf[6] == ':') //Cookie: __utma=225341893.1493557647;
{
buf = buf + 7;
len = sep - buf;
if (len < MAX_COOKIE_LEN)
{
bzero(r->cookie, MAX_COOKIE_LEN);
r->cookie_len = len;
*(r->cookie + len) = '\0';
memcpy(r->cookie, buf, len);
}
cnt++;
}
break;
#if 0
case 'X':
case 'x':
if ((sep - buf > 30) && (buf[2] == 'r' || buf[2] == 'R') && buf[16] == ':') //X-Requested-With: XMLHttpRequest\r\n
{
len = (buf[17] == ' ') ? 18 : 17;
buf = buf + len;
len = sep - buf;
if (len < MAX_REQ_WITH_LEN)
{
bzero(r->x_requested_with, MAX_REQ_WITH_LEN);
r->x_requested_with_len = len;
*(r->x_requested_with + len) = '\0';
memcpy(r->x_requested_with, buf, len);
}
cnt++;
}
else if ((sep - buf > 20) && (buf[2] == 'f' || buf[2] == 'F') && buf[15] == ':') //X-Forwarded-For: client1, proxy1, proxy2。
{
r->proxy = TRUE;
cnt++;
}
break;
case 'V':
case 'v':
if ((sep - buf > 6) && (buf[2] == 'i' || buf[2] == 'I') && buf[3] == ':') //Via: 1.1 BJNT3\r\n
{
r->proxy = TRUE;
cnt++;
}
break;
#endif
}
if (flag == 1)
break;
buf = sep;
}
strcpy(r->url, r->host);
strcat(r->url, r->uri);
// if (strcmp(r->uri, "/") != 0)
// {
// strcat(r->url, r->uri);
// }
r->url_len = strlen(r->url);
return 1;
}
