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-rw-r--r--P4/util.c70
1 files changed, 56 insertions, 14 deletions
diff --git a/P4/util.c b/P4/util.c
index ded2dfa..5c5bdb2 100644
--- a/P4/util.c
+++ b/P4/util.c
@@ -102,22 +102,34 @@ int get_request(int fd, char *filename) {
recv(fd, buffer, 2048, 0);
if(sscanf(buffer, "%s %s %s", get, filename, http) < 2) { // Read HTTP Get request and parse
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -1;
}
else if (strcmp(get, "GET")) {
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
printf("Not a GET\n");
return -2;
}
else if (strlen(filename) > 1023) {
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
printf("Not sure but bad\n");
return -3;
}
for (int i=0; i<strlen(filename); i++) {
if ((strstr(filename, "//")) != 0 || (strstr(filename, "..")) != 0) {
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
printf("Invalid directory!\n");
return -4;
}
@@ -149,24 +161,39 @@ int return_result(int fd, char *content_type, char *buf, int numbytes) {
FILE *fdstream = fdopen(fd, "w");
if (fdstream == NULL) {
printf("File stream conversion(?) failed.\n");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -1;
}
if (fprintf(fdstream, "HTTP/1.1 200 OK\nContent-Type: %s\nContent-Length: %d\nConnection: Close\n\n", content_type, numbytes) < 0) {
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -2;
}
if (fflush(fdstream) == EOF) {
perror("Flush error");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -3;
}
if (send(fd, buf, numbytes, 0) == -1) {
perror("Bad send");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -5;
}
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return 0;
}
@@ -184,24 +211,39 @@ int return_error(int fd, char *buf) {
FILE *fdstream = fdopen(fd, "w");
if (fdstream == NULL) {
printf("File stream conversion(?) failed.\n");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -1;
}
//
if (fprintf(fdstream, "HTTP/1.1 404 Not Found\nContent-Length: %ld\nConnection: Close\n\n", strlen(buf)) < 0) {
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -2;
}
if (fflush(fdstream) == EOF) {
perror("Flush error");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -3;
}
if (send(fd, buf, strlen(buf), 0) == -1) {
perror("Send error");
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return -5;
}
- close(fd);
+ if (close(fd) == -1) {
+ perror("Socket close error");
+ return -15;
+ }
return 0;
}