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Add support for the -i (include headers) and -d (POST data) options in curl.com (#708)

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This commit also paves the way for initial IPv6 support in `curl.com` by specifying
`AF_UNSPEC` for the address family in the hints passed to `getaddrinfo()`.
This commit is contained in:
Ronsor 2022-12-23 17:06:48 -08:00 • committed by GitHub
parent 2e5181666f
commit d2f811eff3
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 9 deletions
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38
tool/curl/curl.c
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@ -115,7 +115,7 @@ static int TlsRecv(void *c, unsigned char *p, size_t n, uint32_t o) {
}
static wontreturn void PrintUsage(FILE *f, int rc) {
fprintf(f, "usage: %s [-ksvV] URL\n", program_invocation_name);
fprintf(f, "usage: %s [-iksvV] URL\n", program_invocation_name);
exit(rc);
}
@ -130,11 +130,13 @@ int _curl(int argc, char *argv[]) {
size_t n;
char **p;
} headers = {0};
int method = kHttpGet;
int method = 0;
bool authmode = MBEDTLS_SSL_VERIFY_REQUIRED;
bool includeheaders = false;
const char *postdata = NULL;
const char *agent = "hurl/1.o (https://github.com/jart/cosmopolitan)";
__log_level = kLogWarn;
while ((opt = getopt(argc, argv, "qksvVIX:H:A:")) != -1) {
while ((opt = getopt(argc, argv, "qiksvVIX:H:A:d:")) != -1) {
switch (opt) {
case 's':
case 'q':
@ -142,6 +144,9 @@ int _curl(int argc, char *argv[]) {
case 'v':
++__log_level;
break;
case 'i':
includeheaders = true;
break;
case 'I':
method = kHttpHead;
break;
@ -152,6 +157,9 @@ int _curl(int argc, char *argv[]) {
headers.p = realloc(headers.p, ++headers.n * sizeof(*headers.p));
headers.p[headers.n - 1] = optarg;
break;
case 'd':
postdata = optarg;
break;
case 'X':
CHECK((method = GetHttpMethod(optarg, strlen(optarg))));
break;
@ -222,17 +230,29 @@ int _curl(int argc, char *argv[]) {
/*
* Create HTTP message.
*/
if (!method) method = postdata ? kHttpPost : kHttpGet;
char *request = 0;
appendf(&request,
"%s %s HTTP/1.1\r\n"
"Host: %s:%s\r\n"
"Connection: close\r\n"
"User-Agent: %s\r\n",
kHttpMethod[method], _gc(EncodeUrl(&url, 0)), host, port, agent);
kHttpMethod[method], _gc(EncodeUrl(&url, 0)), agent);
bool senthost = false, sentcontenttype = false, sentcontentlength = false;
for (int i = 0; i < headers.n; ++i) {
appendf(&request, "%s\r\n", headers.p[i]);
if (!strncasecmp("Host:", headers.p[i], 5)) senthost = true;
else if (!strncasecmp("Content-Type:", headers.p[i], 13)) sentcontenttype = true;
else if (!strncasecmp("Content-Length:", headers.p[i], 15)) sentcontentlength = true;
}
if (!senthost) appendf(&request, "Host: %s:%s\r\n", host, port);
if (postdata) {
if (!sentcontenttype) appends(&request, "Content-Type: application/x-www-form-urlencoded\r\n");
if (!sentcontentlength) appendf(&request, "Content-Length: %d\r\n", strlen(postdata));
}
appendf(&request, "\r\n");
if (postdata) appends(&request, postdata);
/*
* Setup crypto.
@ -260,7 +280,7 @@ int _curl(int argc, char *argv[]) {
* Perform DNS lookup.
*/
struct addrinfo *addr;
struct addrinfo hints = {.ai_family = AF_INET,
struct addrinfo hints = {.ai_family = AF_UNSPEC,
.ai_socktype = SOCK_STREAM,
.ai_protocol = IPPROTO_TCP,
.ai_flags = AI_NUMERICSERV};
@ -342,10 +362,10 @@ int _curl(int argc, char *argv[]) {
i -= hdrlen;
break;
}
if (method == kHttpHead) {
if (method == kHttpHead || includeheaders) {
Write(p, hdrlen);
goto Finished;
} else if (msg.status == 204 || msg.status == 304) {
}
if (method == kHttpHead || msg.status == 204 || msg.status == 304) {
goto Finished;
}
if (HasHeader(kHttpTransferEncoding) &&