fumiama/CMoe-Counter
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fix overlay

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源文雨
2023-07-08 20:25:33 +08:00
parent 5ad5065a44
commit da014b2485
6 changed files with 174 additions and 58 deletions
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98
cmoe.c
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@@ -9,6 +9,7 @@
static uint32_t* items_len;
static counter_t counter;
static FILE* fp;
static char* datfile = "dat.sp";
static char* token = "fumiama";
@@ -19,7 +20,7 @@ static char* token = "fumiama";
static int _headers(uint32_t content_len, const char* h, size_t hlen) {
char buf[64];
size_t offset = ADD_HEADER_PARAM(buf, 0, CONTENT_LEN "\r\n", content_len);
if(offset <= 0) return -1;
if (offset <= 0) return -1;
content_len += offset+hlen;
struct iovec iov[3] = {{&content_len, sizeof(uint32_t)}, {(void*)h, hlen}, {(void*)buf, offset}};
return writev(1, (const struct iovec *)&iov, 3) <= 0;
@@ -36,29 +37,29 @@ static inline void http_error(errcode_enum_t code, char* msg) {
// get_arg used malloc but has never freed
static char* get_arg(const char* query) {
int len = 0;
while(query[len] && query[len] != '&') len++;
if(len <= 0) return NULL;
while (query[len] && query[len] != '&') len++;
if (len <= 0) return NULL;
char* name = malloc(len+1);
memcpy(name, query, len);
name[len] = 0;
return name;
}
static int del_user(FILE* fp, SIMPLE_PB* spb) {
static int del_user(FILE* fp, simple_pb_t* spb) {
counter_t *d = (counter_t *)spb->target;
uint32_t next = ftell(fp);
uint32_t this = next - spb->real_len;
fseek(fp, 0, SEEK_END);
if (fseek(fp, 0, SEEK_END) < 0) return -2;
uint32_t end = ftell(fp);
if(next == end) return ftruncate(fileno(fp), end - spb->real_len);
if (next == end) return ftruncate(fileno(fp), end - spb->real_len);
uint32_t cap = end - next;
char *data = malloc(cap);
if(data) {
fseek(fp, next, SEEK_SET);
if(fread(data, cap, 1, fp) == 1) {
if(!ftruncate(fileno(fp), end - spb->real_len)){
fseek(fp, this, SEEK_SET);
if(fwrite(data, cap, 1, fp) == 1) {
if (data) {
if (fseek(fp, next, SEEK_SET)) return -3;
if (fread(data, cap, 1, fp) == 1) {
if (!ftruncate(fileno(fp), end - spb->real_len)){
if (fseek(fp, this, SEEK_SET)) return -4;
if (fwrite(data, cap, 1, fp) == 1) {
free(data);
fflush(fp);
return 0;
@@ -73,34 +74,34 @@ static int del_user(FILE* fp, SIMPLE_PB* spb) {
static inline int add_user(char* name, uint32_t count, FILE* fp) {
counter.count = count;
strncpy(counter.name, name, COUNTER_NAME_LEN-1);
fseek(fp, 0, SEEK_END);
if (fseek(fp, 0, SEEK_END) < 0) return -2;
return !set_pb(fp, items_len, sizeof(counter_t), &counter);
}
static inline uint32_t get_content_len(int isbig, uint16_t* len_type, char* cntstr) {
uint32_t len = sizeof(svg_small) // small & big has the same len
+ sizeof(svg_tail) - 1;
for(int i = 0; cntstr[i]; i++) {
for (int i = 0; cntstr[i]; i++) {
len += len_type[cntstr[i] - '0'] + (sizeof(img_slot_front) + sizeof(img_slot_rear) - 2);
if(i > 0) len++;
if(i > 2-isbig) len++;
if (i > 0) len++;
if (i > 2-isbig) len++;
}
return len;
}
#define has_next(fp, ch) ((ch=getc(fp)),(feof(fp)?0:(ungetc(ch,fp),1)))
#define set_type(name, t, l) if(!strcmp(theme, name)) {\
#define set_type(name, t, l) if (!strcmp(theme, name)) {\
theme_type = (char**)t;\
len_type = (uint16_t*)l;\
}
static void return_count(FILE* fp, char* name, char* theme) {
int ch, exist = 0, user_exist = 0;
char buf[sizeof(SIMPLE_PB)+sizeof(counter_t)];
while(has_next(fp, ch)) {
SIMPLE_PB *spb = read_pb_into(fp, (SIMPLE_PB*)buf);
char buf[sizeof(simple_pb_t)+sizeof(counter_t)];
while (has_next(fp, ch)) {
simple_pb_t *spb = read_pb_into(fp, (simple_pb_t*)buf);
counter_t *d = (counter_t *)spb->target;
if (strcmp(name, d->name)) continue;
if(del_user(fp, spb)) {
if (del_user(fp, spb)) {
http_error(HTTP500, "Unable to Delete Old Data.");
return;
}
@@ -111,14 +112,14 @@ static void return_count(FILE* fp, char* name, char* theme) {
char cntstrbuf[11];
sprintf(cntstrbuf, "%010u", d->count);
char* cntstr = cntstrbuf;
for(int i = 0; i < 10; i++) if(cntstrbuf[i] != '0') {
if(i > 2) cntstr = cntstrbuf+i-2;
for (int i = 0; i < 10; i++) if (cntstrbuf[i] != '0') {
if (i > 2) cntstr = cntstrbuf+i-2;
break;
}
int isbig = 0;
char** theme_type = (char**)mb;
uint16_t* len_type = (uint16_t*)mbl;
if(theme) {
if (theme) {
set_type("mbh", mbh, mbhl) else
set_type("r34", r34, r34l) else
set_type("gb", gb, gbl) else
@@ -127,7 +128,7 @@ static void return_count(FILE* fp, char* name, char* theme) {
}
int w, h;
char *head;
if(isbig) {
if (isbig) {
w = W_BIG;
h = H_BIG;
head = (char*)svg_big;
@@ -137,12 +138,12 @@ static void return_count(FILE* fp, char* name, char* theme) {
h = H_SMALL;
head = (char*)svg_small;
}
if(headers(get_content_len(isbig, len_type, cntstr), "image/svg+xml")) {
if (headers(get_content_len(isbig, len_type, cntstr), "image/svg+xml")) {
write(1, "\0\0\0\0", 4);
return;
}
printf(head, w*(10+cntstrbuf-cntstr));
for(int i = 0; cntstr[i]; i++) {
for (int i = 0; cntstr[i]; i++) {
printf(img_slot_front, w * i, w, h);
int n = cntstr[i] - '0';
fwrite(theme_type[n], len_type[n], 1, stdout);
@@ -156,9 +157,9 @@ static void return_count(FILE* fp, char* name, char* theme) {
static int name_exist(FILE* fp, char* name) {
int ch, exist = 0;
char buf[sizeof(SIMPLE_PB)+sizeof(counter_t)];
while(has_next(fp, ch)) {
SIMPLE_PB *spb = read_pb_into(fp, (SIMPLE_PB*)buf);
char buf[sizeof(simple_pb_t)+sizeof(counter_t)];
while (has_next(fp, ch)) {
simple_pb_t *spb = read_pb_into(fp, (simple_pb_t*)buf);
counter_t *d = (counter_t *)spb->target;
if (!strcmp(name, d->name)) return 1;
}
@@ -170,47 +171,46 @@ static int name_exist(FILE* fp, char* name) {
#define QS (argv[2])
// Usage: cmoe method query_string
int main(int argc, char **argv) {
if(argc != 3) {
if (argc != 3) {
http_error(HTTP500, "Argument Count Error.");
return -1;
}
char* str = getenv("DATFILE");
if(str != NULL) datfile = str;
if (str != NULL) datfile = str;
str = getenv("TOKEN");
if(str != NULL) token = str;
if (str != NULL) token = str;
char* name = strstr(QS, "name=");
items_len = align_struct(sizeof(counter_t), 2, &counter.name, &counter.count);
if(!items_len) {
if (!items_len) {
http_error(HTTP500, "Align Struct Error.");
return 2;
}
if(!name) {
if (!name) {
http_error(HTTP400, "Name Argument Notfound.");
return 3;
}
name = get_arg(name + 5);
if(!name) {
if (!name) {
http_error(HTTP400, "Null Name Argument.");
return 4;
}
char* theme = strstr(QS, "theme=");
if(theme) {
if (theme) {
theme = get_arg(theme + 6);
}
char* reg = strstr(QS, "reg=");
int fd; FILE* fp;
int fd;
if (!reg) {
if((fd=create_or_open(datfile)) < 0) {
if ((fd=create_or_open(datfile)) < 0) {
http_error(HTTP500, "Open File Error.");
return -2;
}
if(flock(fd, LOCK_EX)) {
if (flock(fd, LOCK_EX)) {
http_error(HTTP500, "Lock File Error.");
return -3;
}
fp = fdopen(fd, "rb+");
return_count(fp, name, theme);
fflush(fp); flock(fd, LOCK_UN); close(fd);
return 0;
}
reg = get_arg(reg + 4);
@@ -218,31 +218,33 @@ int main(int argc, char **argv) {
http_error(HTTP400, "Null Register Token.");
return 5;
}
if(strcmp(reg, token)) {
if (strcmp(reg, token)) {
http_error(HTTP400, "Token Error.");
return 6;
}
if((fd=create_or_open(datfile)) < 0) {
if ((fd=create_or_open(datfile)) < 0) {
http_error(HTTP500, "Open File Error.");
return -4;
}
if(flock(fd, LOCK_EX)) {
if (flock(fd, LOCK_EX)) {
http_error(HTTP500, "Lock File Error.");
return -5;
}
fp = fdopen(fd, "rb+");
if(name_exist(fp, name)) {
fflush(fp); flock(fd, LOCK_UN); close(fd);
if (name_exist(fp, name)) {
http_error(HTTP400, "Name Exist.");
return 7;
}
fseek(fp, 0, SEEK_END);
add_user(name, 0, fp);
fflush(fp); flock(fd, LOCK_UN); close(fd);
char* msg = "<P>Success.\r\n";
if(headers(strlen(msg), "text/html")) {
if (headers(strlen(msg), "text/html")) {
write(1, "\0\0\0\0", 4);
return 8;
}
return write(1, msg, strlen(msg)) <= 0;
}
static void __attribute__((destructor)) defer_close_fp() {
if (fp) fclose(fp);
}