mirror of
https://github.com/lxsang/antd-cgi-plugin
synced 2024-12-26 18:08:21 +01:00
improvement code
This commit is contained in:
lxsang
parent
a3bd60338a
commit
8c31338a96
169
cgi.c
169
cgi.c
@ -12,10 +12,10 @@
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dictionary_t cgi_bin = NULL;
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typedef struct {
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typedef struct
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{
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int size;
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char* env[MAX_ENV_SIZE];
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char *env[MAX_ENV_SIZE];
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} envar_arr_t;
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static int ini_handle(void *user_data, const char *section, const char *name,
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@ -58,11 +58,59 @@ void destroy()
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freedict(cgi_bin);
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}
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static int guard_read(int fd, void *buffer, size_t size)
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{
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int n = 0;
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int read_len;
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int st;
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while (n != (int)size)
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{
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read_len = (int)size - n;
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st = read(fd, buffer + n, read_len);
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if (st == -1)
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{
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ERROR("Unable to read from #%d: %s", fd, strerror(errno));
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return -1;
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}
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if (st == 0)
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{
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ERROR("Endpoint %d is closed", fd);
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return -1;
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}
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n += st;
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}
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return n;
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}
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static int guard_write(int fd, void *buffer, size_t size)
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{
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int n = 0;
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int write_len;
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int st;
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while (n != (int)size)
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{
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write_len = (int)size - n;
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st = write(fd, buffer + n, write_len);
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if (st == -1)
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{
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ERROR("Unable to write to #%d: %s", fd, strerror(errno));
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return -1;
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}
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if (st == 0)
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{
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ERROR("Endpoint %d is closed", fd);
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return -1;
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}
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n += st;
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}
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return n;
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}
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static void add_vars(envar_arr_t *l, char *k, char *v)
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{
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if (!v || !l || !k)
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return;
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if(l->size >= MAX_ENV_SIZE-1)
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if (l->size >= MAX_ENV_SIZE - 1)
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return;
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char *data = __s("%s=%s", k, v);
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l->env[l->size] = data;
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@ -73,6 +121,7 @@ static void add_vars(envar_arr_t *l, char *k, char *v)
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static void write_request_body(antd_request_t *rq, int fd)
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{
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char *tmp = (char *)dvalue(rq->request, "METHOD");
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int ret;
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if (!tmp || EQU(tmp, "GET") || EQU(tmp, "HEAD"))
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return;
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int clen = -1;
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@ -93,9 +142,10 @@ static void write_request_body(antd_request_t *rq, int fd)
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{
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read += stat;
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readlen = (clen - read) > BUFFLEN ? BUFFLEN : (clen - read);
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UNUSED(write(fd, buf, stat));
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ret = guard_write(fd, buf, stat);
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}
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}
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UNUSED(ret);
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}
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static char *get_cgi_bin(antd_request_t *rq)
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{
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@ -110,16 +160,16 @@ static char *get_cgi_bin(antd_request_t *rq)
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free(tmp);
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return bin;
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}
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static void get_env_vars(antd_request_t *rq, envar_arr_t* env_vars)
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static void get_env_vars(antd_request_t *rq, envar_arr_t *env_vars)
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{
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char *tmp = NULL;
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char *sub = NULL;
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char* root;
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char *root;
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dictionary_t request = (dictionary_t)rq->request;
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dictionary_t header = (dictionary_t)dvalue(rq->request, "REQUEST_HEADER");
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add_vars(env_vars, "GATEWAY_INTERFACE", "CGI/1.1");
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add_vars(env_vars, "SERVER_SOFTWARE", SERVER_NAME);
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root = (char*)dvalue(header, "SERVER_WWW_ROOT");
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root = (char *)dvalue(header, "SERVER_WWW_ROOT");
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tmp = (char *)dvalue(request, "REQUEST_QUERY");
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if (!tmp)
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add_vars(env_vars, "QUERY_STRING", "");
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@ -153,8 +203,9 @@ static void get_env_vars(antd_request_t *rq, envar_arr_t* env_vars)
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if (tmp)
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{
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sub = tmp;
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while(*sub == '/') sub++;
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if(sub)
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while (*sub == '/')
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sub++;
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if (sub)
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{
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add_vars(env_vars, "PATH_INFO", sub);
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}
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@ -207,31 +258,30 @@ static void get_env_vars(antd_request_t *rq, envar_arr_t* env_vars)
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add_vars(env_vars, "REDIRECT_STATUS", "200");
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}
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int read_line(int fn, char*buf,int size)
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int read_line(int fn, char *buf, int size)
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{
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int i = 0;
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char c = '\0';
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int n;
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while ((i < size - 1) && (c != '\n'))
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{
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n = read(fn, &c,1);
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if (n > 0)
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{
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//LOG("Data : %c\n", c);
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buf[i] = c;
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i++;
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}
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else
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int i = 0;
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char c = '\0';
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int n;
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while ((i < size - 1) && (c != '\n'))
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{
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n = read(fn, &c, 1);
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if (n > 0)
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{
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if(i == 0)
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//LOG("Data : %c\n", c);
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buf[i] = c;
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i++;
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}
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else
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{
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if (i == 0)
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i = n;
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c = '\n';
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}
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}
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if(i >= 0)
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buf[i] = '\0';
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return i;
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}
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if (i >= 0)
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buf[i] = '\0';
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return i;
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}
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void *handle(void *data)
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@ -245,15 +295,23 @@ void *handle(void *data)
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antd_task_t *task = NULL;
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if (!bin || ws_enable(rq->request))
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{
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LOG("No cgi bin found or connection is websocket");
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antd_error(cl,503, "Service unavailable");
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task = antd_create_task(NULL, data, NULL,rq->client->last_io);
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task->priority++;
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return task;
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ERROR("No cgi bin found or connection is websocket");
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antd_error(cl, 503, "Service unavailable");
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return antd_create_task(NULL, data, NULL, rq->client->last_io);
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}
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// PIPE
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UNUSED(pipe(inpipefd));
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UNUSED(pipe(outpipefd));
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if (pipe(inpipefd) == -1)
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{
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ERROR("Can not create inpipe: %s", strerror(errno));
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antd_error(cl, 503, "Service unavailable");
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return antd_create_task(NULL, data, NULL, rq->client->last_io);
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}
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if (pipe(outpipefd) == -1)
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{
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ERROR("Can not create outpipe: %s", strerror(errno));
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antd_error(cl, 503, "Service unavailable");
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return antd_create_task(NULL, data, NULL, rq->client->last_io);
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}
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pid = fork();
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if (pid == 0)
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{
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@ -266,7 +324,7 @@ void *handle(void *data)
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LOG("Execute the cgi bin");
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envar_arr_t envs;
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envs.size = 0;
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for(int i = 0; i < MAX_ENV_SIZE; i++)
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for (int i = 0; i < MAX_ENV_SIZE; i++)
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{
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envs.env[i] = NULL;
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}
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@ -299,38 +357,38 @@ void *handle(void *data)
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rhd.header = dict();
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rhd.cookie = list_init();
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rhd.status = 200;
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char* k;
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char* v;
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char *k;
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char *v;
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int len;
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ssize_t count;
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while( read_line(inpipefd[0], buf, BUFFLEN) > 0 && strcmp(buf,"\r\n") != 0)
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while (read_line(inpipefd[0], buf, BUFFLEN) > 0 && strcmp(buf, "\r\n") != 0)
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{
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trim(buf,'\n');
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trim(buf,'\r');
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if(regex_match("\\s*Status\\s*:\\s+([0-9]{3})\\s+([a-zA-Z0-9 ]*)",buf,3,matches))
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trim(buf, '\n');
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trim(buf, '\r');
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if (regex_match("\\s*Status\\s*:\\s+([0-9]{3})\\s+([a-zA-Z0-9 ]*)", buf, 3, matches))
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{
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len = matches[1].rm_eo - matches[1].rm_so;
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k = (char*)malloc(len);
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k = (char *)malloc(len);
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memset(k, 0, len);
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memcpy(k, buf + matches[1].rm_so, len);
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rhd.status = atoi(k);
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free(k);
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}
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else if(regex_match("^([a-zA-Z0-9\\-]+)\\s*:\\s*(.*)$",buf,3,matches))
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else if (regex_match("^([a-zA-Z0-9\\-]+)\\s*:\\s*(.*)$", buf, 3, matches))
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{
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len = matches[1].rm_eo - matches[1].rm_so;
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k = (char*)malloc(len+1);
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k = (char *)malloc(len + 1);
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memcpy(k, buf + matches[1].rm_so, len);
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k[len] = '\0';
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verify_header(k);
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len = matches[2].rm_eo - matches[2].rm_so ;
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v = (char*)malloc(len+1);
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len = matches[2].rm_eo - matches[2].rm_so;
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v = (char *)malloc(len + 1);
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memcpy(v, buf + matches[2].rm_so, len);
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v[len] = '\0';
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if(strcmp(k,"Set-Cookie") == 0)
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if (strcmp(k, "Set-Cookie") == 0)
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{
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list_put_ptr(&rhd.cookie,v);
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list_put_ptr(&rhd.cookie, v);
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}
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else
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{
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@ -347,7 +405,7 @@ void *handle(void *data)
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// send out the rest of data
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while (1)
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{
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count = read(inpipefd[0], buf, BUFFLEN);
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count = guard_read(inpipefd[0], buf, BUFFLEN);
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if (count == -1)
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{
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@ -364,11 +422,11 @@ void *handle(void *data)
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else if (count == 0)
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{
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if(waitpid(pid, &status, WNOHANG) != 0)
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if (waitpid(pid, &status, WNOHANG) != 0)
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{
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break;
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}
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continue;
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continue;
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}
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else
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{
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@ -378,7 +436,6 @@ void *handle(void *data)
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kill(pid, SIGKILL);
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//waitpid(pid, &status, 0);
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task = antd_create_task(NULL, data, NULL,rq->client->last_io);
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task->priority++;
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task = antd_create_task(NULL, data, NULL, rq->client->last_io);
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return task;
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}
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BIN
dist/cgi-1.0.0b.tar.gz
vendored
BIN
dist/cgi-1.0.0b.tar.gz
vendored
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