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Diffstat (limited to 'docs/examples/anyauthput.c')
-rw-r--r-- | docs/examples/anyauthput.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/docs/examples/anyauthput.c b/docs/examples/anyauthput.c new file mode 100644 index 000000000..c5486333e --- /dev/null +++ b/docs/examples/anyauthput.c @@ -0,0 +1,135 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * $Id$ + */ + +#include <stdio.h> +#include <fcntl.h> +#include <sys/stat.h> + +#include <curl/curl.h> + +#if LIBCURL_VERSION_NUM < 0x070c03 +#error "upgrade your libcurl to no less than 7.12.3" +#endif + +/* + * This example shows a HTTP PUT operation with authentiction using "any" + * type. It PUTs a file given as a command line argument to the URL also given + * on the command line. + * + * Since libcurl 7.12.3, using "any" auth and POST/PUT requires a set ioctl + * function. + * + * This example also uses its own read callback. + */ + +/* ioctl callback function */ +static curlioerr my_ioctl(CURL *handle, curliocmd cmd, void *userp) +{ + int fd = (int)userp; + + (void)handle; /* not used in here */ + + switch(cmd) { + case CURLIOCMD_RESTARTREAD: + /* mr libcurl kindly asks as to rewind the read data stream to start */ + if(-1 == lseek(fd, 0, SEEK_SET)) + /* couldn't rewind */ + return CURLIOE_FAILRESTART; + + break; + + default: /* ignore unknown commands */ + return CURLIOE_UNKNOWNCMD; + } + return CURLIOE_OK; /* success! */ +} + +/* read callback function, fread() look alike */ +size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream) +{ + size_t retcode; + + int fd = (int)stream; + + retcode = read(fd, ptr, size * nmemb); + + fprintf(stderr, "*** We read %d bytes from file\n", retcode); + + return retcode; +} + +int main(int argc, char **argv) +{ + CURL *curl; + CURLcode res; + int hd ; + struct stat file_info; + + char *file; + char *url; + + if(argc < 3) + return 1; + + file= argv[1]; + url = argv[2]; + + /* get the file size of the local file */ + hd = open(file, O_RDONLY) ; + fstat(hd, &file_info); + + /* In windows, this will init the winsock stuff */ + curl_global_init(CURL_GLOBAL_ALL); + + /* get a curl handle */ + curl = curl_easy_init(); + if(curl) { + /* we want to use our own read function */ + curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback); + + /* which file to upload */ + curl_easy_setopt(curl, CURLOPT_READDATA, hd); + + /* set the ioctl function */ + curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, my_ioctl); + + /* pass the file descriptor to the ioctl callback as well */ + curl_easy_setopt(curl, CURLOPT_IOCTLDATA, hd); + + /* enable "uploading" (which means PUT when doing HTTP) */ + curl_easy_setopt(curl, CURLOPT_UPLOAD, TRUE) ; + + /* specify target URL, and note that this URL should also include a file + name, not only a directory (as you can do with GTP uploads) */ + curl_easy_setopt(curl,CURLOPT_URL, url); + + /* and give the size of the upload, this supports large file sizes + on systems that have general support for it */ + curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, file_info.st_size); + + /* tell libcurl we can use "any" auth, which lets the lib pick one, but it + also costs one extra round-trip and possibly sending of all the PUT + data twice!!! */ + curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY); + + /* set user name and password for the authentication */ + curl_easy_setopt(curl, CURLOPT_USERPWD, "user:password"); + + /* Now run off and do what you've been told! */ + res = curl_easy_perform(curl); + + /* always cleanup */ + curl_easy_cleanup(curl); + } + close(hd); /* close the local file */ + + curl_global_cleanup(); + return 0; +} |