Elia Pinto <[email protected]> writes:
> Implements the GIT_TRACE_CURL environment variable to allow a
> greater degree of detail of GIT_CURL_VERBOSE, in particular
> the complete transport header and all the data payload exchanged.
> It might be useful if a particular situation could require a more
> thorough debugging analysis
>
>
> Helped-by: Torsten Bögershausen <[email protected]>
> Helped-by: Ramsay Jones <[email protected]>
> Helped-by: Junio C Hamano <[email protected]>
> Helped-by: Eric Sunshine <[email protected]>
> Helped-by: Jeff King <[email protected]>
> Signed-off-by: Elia Pinto <[email protected]>
> ---
> http.c | 98
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 97 insertions(+), 1 deletion(-)
>
> diff --git a/http.c b/http.c
> index 4304b80..278991e 100644
> --- a/http.c
> +++ b/http.c
> @@ -11,6 +11,9 @@
> #include "gettext.h"
> #include "transport.h"
>
> +/*
> +tatic struct trace_key trace_curl = TRACE_KEY_INIT(CURL);
> +*/
Is this a sign that this hasn't been proof-read before sending?
> #if LIBCURL_VERSION_NUM >= 0x070a08
> long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER;
> #else
> @@ -464,6 +467,95 @@ static void set_curl_keepalive(CURL *c)
> }
> #endif
>
> +
> +void curl_dump(const char *text, unsigned char *ptr, size_t size, char nohex)
> +{
> + size_t i;
> + size_t w;
> + struct strbuf out = STRBUF_INIT;;
> +
> + unsigned int width = 0x10;
> +
> + if (nohex)
> + /* without the hex output, we can fit more on screen */
> + width = 0x40;
> +
> + strbuf_addf(&out, "%s, %10.10ld bytes (0x%8.8lx)\n",
> + text, (long)size, (long)size);
> +
> + for (i = 0; i < size; i += width) {
> +
> + strbuf_addf(&out, "%4.4lx: ", (long)i);
> +
> + if (!nohex) {
> + /* hex not disabled, show it */
> + for (w = 0; w < width; w++)
> + if (i + w < size)
> + strbuf_addf(&out, "%02x ", ptr[i + w]);
> + else
> + strbuf_addf(&out," ");
> + }
> +
> + for (w = 0; (w < width) && (i + w < size); w++) {
> + /* check for 0D0A; if found, skip past and start a new
> line of output */
> + if (nohex && (i + w + 1 < size) && ptr[i + w] == '\r'
> + && ptr[i + w + 1] == '\n') {
> + i += (w + 2 - width);
> + break;
> + }
> + strbuf_addch(&out, (ptr[i + w] >= 0x20)
> + && (ptr[i + w] < 0x80) ? ptr[i + w] : '.');
> + /* check again for 0D0A, to avoid an extra \n if it's
> at width */
> + if (nohex && (i + w + 2 < size)
> + && ptr[i + w + 1] == '\r'
> + && ptr[i + w + 2] == '\n') {
> + i += (w + 3 - width);
> + break;
> + }
> + }
> + strbuf_addch(&out, '\n');
> + trace_strbuf(&trace_curl, &out);
> + strbuf_release(&out);
> + }
> +}
> +
> +int curl_trace(CURL *handle, curl_infotype type,
> + char *data, size_t size, void *userp)
> +{
> + const char *text;
> + (void)handle; /* prevent compiler warning */
> +
> + switch (type) {
> + case CURLINFO_TEXT:
> + trace_printf_key(&trace_curl, "== Info: %s", data);
> + default: /* in case a new one is introduced to shock us
> */
> + return 0;
> +
> + case CURLINFO_HEADER_OUT:
> + text = "=> Send header";
> + break;
> + case CURLINFO_DATA_OUT:
> + text = "=> Send data";
> + break;
> + case CURLINFO_SSL_DATA_OUT:
> + text = "=> Send SSL data";
> + break;
> + case CURLINFO_HEADER_IN:
> + text = "<= Recv header";
> + break;
> + case CURLINFO_DATA_IN:
> + text = "<= Recv data";
> + break;
> + case CURLINFO_SSL_DATA_IN:
> + text = "<= Recv SSL data";
> + break;
> + }
> +
> + curl_dump(text, (unsigned char *)data, size, 1);
> + return 0;
> +}
> +
> +
> static CURL *get_curl_handle(void)
> {
> CURL *result = curl_easy_init();
> @@ -563,7 +655,11 @@ static CURL *get_curl_handle(void)
> "your curl version is too old (>= 7.19.4)");
> #endif
>
> - if (getenv("GIT_CURL_VERBOSE"))
> + if (trace_want(&trace_curl)) {
> + curl_easy_setopt(result, CURLOPT_VERBOSE, 1L);
> + curl_easy_setopt(result, CURLOPT_DEBUGFUNCTION, curl_trace);
> + curl_easy_setopt(result, CURLOPT_DEBUGDATA, NULL);
> + } else if (getenv("GIT_CURL_VERBOSE"))
> curl_easy_setopt(result, CURLOPT_VERBOSE, 1);
>
> curl_easy_setopt(result, CURLOPT_USERAGENT,
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