diff options
Diffstat (limited to 'http.c')
| -rw-r--r-- | http.c | 82 |
1 files changed, 74 insertions, 8 deletions
@@ -13,8 +13,11 @@ #include "transport.h" #include "packfile.h" #include "protocol.h" +#include "string-list.h" static struct trace_key trace_curl = TRACE_KEY_INIT(CURL); +static int trace_curl_data = 1; +static struct string_list cookies_to_redact = STRING_LIST_INIT_DUP; #if LIBCURL_VERSION_NUM >= 0x070a08 long int git_curl_ipresolve = CURL_IPRESOLVE_WHATEVER; #else @@ -575,6 +578,54 @@ static void redact_sensitive_header(struct strbuf *header) /* Everything else is opaque and possibly sensitive */ strbuf_setlen(header, sensitive_header - header->buf); strbuf_addstr(header, " <redacted>"); + } else if (cookies_to_redact.nr && + skip_prefix(header->buf, "Cookie:", &sensitive_header)) { + struct strbuf redacted_header = STRBUF_INIT; + char *cookie; + + while (isspace(*sensitive_header)) + sensitive_header++; + + /* + * The contents of header starting from sensitive_header will + * subsequently be overridden, so it is fine to mutate this + * string (hence the assignment to "char *"). + */ + cookie = (char *) sensitive_header; + + while (cookie) { + char *equals; + char *semicolon = strstr(cookie, "; "); + if (semicolon) + *semicolon = 0; + equals = strchrnul(cookie, '='); + if (!equals) { + /* invalid cookie, just append and continue */ + strbuf_addstr(&redacted_header, cookie); + continue; + } + *equals = 0; /* temporarily set to NUL for lookup */ + if (string_list_lookup(&cookies_to_redact, cookie)) { + strbuf_addstr(&redacted_header, cookie); + strbuf_addstr(&redacted_header, "=<redacted>"); + } else { + *equals = '='; + strbuf_addstr(&redacted_header, cookie); + } + if (semicolon) { + /* + * There are more cookies. (Or, for some + * reason, the input string ends in "; ".) + */ + strbuf_addstr(&redacted_header, "; "); + cookie = semicolon + strlen("; "); + } else { + cookie = NULL; + } + } + + strbuf_setlen(header, sensitive_header - header->buf); + strbuf_addbuf(header, &redacted_header); } } @@ -645,24 +696,32 @@ static int curl_trace(CURL *handle, curl_infotype type, char *data, size_t size, curl_dump_header(text, (unsigned char *)data, size, DO_FILTER); break; case CURLINFO_DATA_OUT: - text = "=> Send data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "=> Send data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_SSL_DATA_OUT: - text = "=> Send SSL data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "=> Send SSL data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_HEADER_IN: text = "<= Recv header"; curl_dump_header(text, (unsigned char *)data, size, NO_FILTER); break; case CURLINFO_DATA_IN: - text = "<= Recv data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "<= Recv data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; case CURLINFO_SSL_DATA_IN: - text = "<= Recv SSL data"; - curl_dump_data(text, (unsigned char *)data, size); + if (trace_curl_data) { + text = "<= Recv SSL data"; + curl_dump_data(text, (unsigned char *)data, size); + } break; default: /* we ignore unknown types by default */ @@ -807,6 +866,13 @@ static CURL *get_curl_handle(void) if (getenv("GIT_CURL_VERBOSE")) curl_easy_setopt(result, CURLOPT_VERBOSE, 1L); setup_curl_trace(result); + if (getenv("GIT_TRACE_CURL_NO_DATA")) + trace_curl_data = 0; + if (getenv("GIT_REDACT_COOKIES")) { + string_list_split(&cookies_to_redact, + getenv("GIT_REDACT_COOKIES"), ',', -1); + string_list_sort(&cookies_to_redact); + } curl_easy_setopt(result, CURLOPT_USERAGENT, user_agent ? user_agent : git_user_agent()); |