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-rw-r--r--http.c103
1 files changed, 99 insertions, 4 deletions
diff --git a/http.c b/http.c
index 5e1472c..89716cd 100644
--- a/http.c
+++ b/http.c
@@ -8,6 +8,7 @@
#include <unistd.h>
static const int REQUEST_DATA_SIZE = 4096;
+static const int MAX_HEADERS = 30;
const char * status_str[] = {
[STATUS_OK] = "200 OK",
@@ -55,9 +56,9 @@ void free_request(struct request * request)
free(request->data);
}
- if (NULL != request->headers)
+ if (NULL != request->headerv)
{
- free(request->headers);
+ free(request->headerv);
}
free(request);
@@ -261,7 +262,101 @@ int parse_step_version(struct request * request)
}
request->version.length = request->position - request->version.start;
- request->step = NULL; // TODO: Parse headers
+ request->step = parse_step_header_name;
- return request->position;
+ return parse_step_header_name(request);
+}
+
+/// Parses and verifies name of a single header from the request.
+/// \param request Request to process
+/// \return -1 if an error has occured, 0 if too little data available or total number of bytes processed
+int parse_step_header_name(struct request * request)
+{
+ if (NULL == request->headerv)
+ {
+ request->headerv = malloc(sizeof(struct header) * MAX_HEADERS);
+ request->headerc = 0;
+ memset(request->headerv, 0, sizeof(struct header) * MAX_HEADERS);
+
+ if (NULL == request->headerv)
+ {
+ return -1;
+ }
+ }
+
+ // TODO: Check for the header section end without backtracking.
+ const int position = request->position;
+ int result = read_rest_of_line(request);
+
+ if (0 == result)
+ {
+ return 0;
+ }
+
+ if (2 == result - position)
+ {
+ // Header section ended, nothing left to parse.
+ return request->position + 2;
+ }
+
+ request->position = position;
+
+ if (0 >= request->headerv[request->headerc].name.start)
+ {
+ request->headerv[request->headerc].name.start = read_until_word(request);
+
+ if (0 == request->headerv[request->headerc].name.start)
+ {
+ return 0;
+ }
+ }
+
+ result = read_until_char(request, ':');
+
+ if (0 == result)
+ {
+ return 0;
+ }
+
+ request->headerv[request->headerc].name.length = request->position - request->headerv[request->headerc].name.start;
+ request->step = parse_step_header_value;
+
+ // Skip ':'
+ request->position++;
+
+ return parse_step_header_value(request);
+}
+
+/// Parses and verifies value of a single header from the request.
+/// \param request Request to process
+/// \return -1 if an error has occured, 0 if too little data available or total number of bytes processed
+int parse_step_header_value(struct request * request)
+{
+ if (0 >= request->headerv[request->headerc].value.start)
+ {
+ request->headerv[request->headerc].value.start = read_until_word(request);
+
+ if (0 == request->headerv[request->headerc].value.start)
+ {
+ return 0;
+ }
+ }
+
+ const int result = read_rest_of_line(request);
+
+ if (0 == result)
+ {
+ return 0;
+ }
+
+ request->headerv[request->headerc].value.length = request->position - request->headerv[request->headerc].value.start;
+ request->step = parse_step_header_name;
+ request->headerc++;
+
+ if (MAX_HEADERS == request->headerc)
+ {
+ return -1;
+ }
+
+ return parse_step_header_name(request);
}