diff options
| -rw-r--r-- | info.c | 163 |
1 files changed, 161 insertions, 2 deletions
@@ -1,12 +1,78 @@ #include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <string.h> +#include <unistd.h> #include <gpgme.h> +char *fingerprint = "64DF06E42FCF2094590CDEEE2E96F141B3DD2B2E"; +char *passphrase = "blabla"; +char *clear = "foo bar"; +char *testkey = +"-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +"Version: GnuPG v1.4.3 (GNU/Linux)\n\n" + +"lQHhBENQAKwRBADpy828KU+0SuoetJTrJ5dR86PiO3CsH8K6QRP7wY82Eh/9NTJ3\n" +"afRj0FNPaVSP0NciPeM4G4uFoQ3lsIf+FBEPXH1D97/XigWObU8K6ha2/s8wU98z\n" +"/samjTHLR+VKZ031B5/8p5Y49yvkkEyBkF1G85yeIXK0WZorKBPncRKuUwCgxOi/\n" +"IEa+ZuqHlmlDF2LTRIBOfrkEAK+WLRMWUD0bqj1TYwnxwPWiuns32/ZXLWuPfb5o\n" +"crNt7x5LSe7wJhjyIiFhiU0qR33X/FrT2umzOxlRYfINXT9DUHDocxxbED6fxAHw\n" +"X2IDd5tWXgCkSBHn2yAneNY6ycPdS3RvqJGlYFg7cOc0kz4urjqRt9fIagzpZQtL\n" +"fXHfBACl3EWgvLhVBo5ExZbrtlOA2q0x9UGhhNaSkeBWBr2qDeZErQjMTO0+viaN\n" +"/SX0zxeWtM3z06rkUHd1DKORDRM5R7shBTv9/Quojn0gbYbOem+e1mlCe27TRxcP\n" +"yeIKk00PqbVuff9QlK9GqKEWGzsEXCmxZ160Dul3CGlf/vQZHf4DAwJAwtVOoL7t\n" +"cGBlDCPs4m+HNqT+hD5LGtrx8IC/dnPGNrjFsVybcptYgdn4i6nkSnu+g6a7rcjN\n" +"qTUyYrQkdGVzdGtleSAodGVzdGtleSkgPHRlc3RAZXhhbXBsZS5uZXQ+iF4EExEC\n" +"AB4FAkNQAKwCGwMGCwkIBwMCAxUCAwMWAgECHgECF4AACgkQLpbxQbPdKy58pwCc\n" +"Dz9qEBEVt1gcKCwNay0fm4vLqCkAn1P0KV1giECUVXBuZ5YUndDB1QqtnQFXBENQ\n" +"AK0QBACNXzJQG4NHUJqLPImezbl+ii+93MjMo8LpSlv9Np5ruWIKtxuqmVEe4k+r\n" +"1DDmSl8hppifpRtx2hefbDTl8Tdf5MNGvf5JE3AHYUehZ+ldjgYCOZ53fJDgKV65\n" +"ZidQSGGXsRcyE7SHgMQ6rTL92PA2IQmkcf9xkg6xM2h55UusMwADBQP9EGQ0BAdW\n" +"RUtA21/cR6F+t97KZnVSet225UYv8azv8p8cK4R1lrZXChFadK9Kt+/My4HAx7J7\n" +"zd1IPuKQ0QniuvuLT3Mwz19B7FGXaJenwTw0P1ihtmSPq9GAOkOA4ZPhHLl9OFwI\n" +"eAZzjfshRfvm0haO3vwlxdjhwxyJ/a/JEF3+AwMCQMLVTqC+7XBgepY5Qw0vGNYN\n" +"K5jkMtn1Pjj/tzYKJIvneoEXb9lEzV4fpju1q8p+FmKHokwjq6FrEF2edKtuYygj\n" +"qNKIrYhJBBgRAgAJBQJDUACtAhsMAAoJEC6W8UGz3SsusGQAn21Jynp2uGE9AnDU\n" +"BjoYSlJsrQm0AJ4m57ArwLXA7WXk5iQbMWlvhWCq4g==\n" +"=awlp\n" +"-----END PGP PRIVATE KEY BLOCK-----\n"; + +gpgme_error_t passphrase_decrypt_cb ( + void * pass, + const char *uid_hint, const char *passphrase_info, + int last_was_bad, int fd) { + if (last_was_bad) { + printf("Incorrent passphrase\n"); + return 1; + } + if (write(fd, passphrase, strlen(passphrase)) == strlen(passphrase) && write(fd, "\n", 1) == 1) { + printf("Passphrase sent\n"); + return 0; + } + printf("write failed\n"); + return 1; +} + int main (int argc, char *argv[]) { gpgme_ctx_t ctx; gpgme_error_t err; const char *ver; gpgme_engine_info_t info; + const char *dir; + char buf[1024]; + gpgme_data_t in, out; + gpgme_key_t keys[2] = {NULL, NULL}; + char *crypted = NULL, *decrypted = NULL; + size_t ret_size; + gpgme_import_result_t impresult; + gpgme_encrypt_result_t encresult; + gpgme_decrypt_result_t decresult; + + // TMP directory + dir = tmpnam(NULL); + sprintf(buf, "GNUPGHOME=%s", dir); + printf("Using %s directory (%d,%d)\n", dir, mkdir(dir, 0755), putenv(buf)); ver = gpgme_check_version(NULL); printf("gpgme version: %s\n", ver); @@ -16,13 +82,16 @@ int main (int argc, char *argv[]) { printf("** gpgme_new return %d\n", err); } +/* info = gpgme_ctx_get_engine_info(ctx); while(info) { printf("protocol:%d, file_name:%s\n", info->protocol, info->file_name); info = info->next; } - - err = gpgme_ctx_set_engine_info(ctx, GPGME_PROTOCOL_OpenPGP, "/usr/bin/gpg", NULL); +*/ + err = gpgme_ctx_set_engine_info(ctx, GPGME_PROTOCOL_OpenPGP, + (argc>1 ? argv[1] : "/usr/bin/gpg"), + NULL); if (err != GPG_ERR_NO_ERROR) { printf("** gpgme_ctx_set_engine_info return %d\n", err); } @@ -32,5 +101,95 @@ int main (int argc, char *argv[]) { printf("protocol:%d, file_name:%s\n", info->protocol, info->file_name); info = info->next; } + if (gpgme_data_new_from_mem(&in, testkey, strlen(testkey), 0) != GPG_ERR_NO_ERROR) { + printf("Can't load the key\n"); + exit(1); + } + printf("Test key loaded\n"); + + if (gpgme_op_import(ctx ,in) != GPG_ERR_NO_ERROR) { + gpgme_data_release(in); + printf("Can't import the key\n"); + exit(1); + } + printf("Test key imported\n"); + + gpgme_data_release(in); + impresult = gpgme_op_import_result(ctx); + if (!impresult || !impresult->imports || impresult->imports->result != GPG_ERR_NO_ERROR) { + printf("Can't get the result\n"); + exit(1); + } + printf("\timported: %d\n", impresult->imported); + printf("\tunchanged: %d\n", impresult->unchanged); + printf("\tnewuserids: %d\n", impresult->new_user_ids); + printf("\tnewsubkeys: %d\n", impresult->new_sub_keys); + printf("\tsecretimported: %d\n", impresult->secret_imported); + printf("\tsecretunchanged: %d\n", impresult->secret_unchanged); + printf("\tnewsignatures: %d\n", impresult->new_signatures); + printf("\tskippedkeys: %d\n", impresult->skipped_new_keys); + printf("\tfingerprint: %s\n", impresult->imports->fpr); + + if (gpgme_get_key(ctx, fingerprint, keys, 0) != GPG_ERR_NO_ERROR) { + printf("Can't get the key\n"); + exit(1); + } + printf("Key found\n"); + + if (gpgme_data_new_from_mem(&in, clear, strlen(clear), 0)!= GPG_ERR_NO_ERROR) { + printf("could no create in-data buffer\n"); + exit(1); + } + if (gpgme_data_new(&out) != GPG_ERR_NO_ERROR) { + printf("could not create out-data buffer\n"); + gpgme_data_release(in); + exit(1); + } + if (gpgme_op_encrypt(ctx, keys, GPGME_ENCRYPT_ALWAYS_TRUST, in, out) != GPG_ERR_NO_ERROR) { + printf("encrypt failed\n"); + gpgme_data_release(in); + gpgme_data_release(out); + exit(1); + } + encresult = gpgme_op_encrypt_result(ctx); + if (encresult->invalid_recipients) { + printf("Invalid recipient encountered\n"); + gpgme_data_release(in); + gpgme_data_release(out); + exit(1); + } + crypted = gpgme_data_release_and_get_mem(out, &ret_size); + gpgme_data_release(in); + printf("Encrypt('%s') = %d chars\n", clear, ret_size); + + gpgme_set_passphrase_cb(ctx, passphrase_decrypt_cb, passphrase); + + if (gpgme_data_new_from_mem(&in, crypted, ret_size, 0) != GPG_ERR_NO_ERROR) { + printf("could not create in-data buffer\n"); + } + if (gpgme_data_new(&out) != GPG_ERR_NO_ERROR) { + printf("could not create out-data buffer\n"); + gpgme_data_release(in); + exit(1); + } + if (gpgme_op_decrypt(ctx, in, out) != GPG_ERR_NO_ERROR) { + printf("decrypt failed\n"); + gpgme_data_release(in); + gpgme_data_release(out); + exit(1); + } + decresult = gpgme_op_decrypt_result(ctx); + if (decresult->unsupported_algorithm) { + printf("unsupported algorithm\n"); + gpgme_data_release(in); + gpgme_data_release(out); + exit(1); + } + decrypted = gpgme_data_release_and_get_mem(out, &ret_size); + gpgme_data_release(in); + printf("Decrypt() = '%s'\n", decrypted); + free(crypted); + free(decrypted); + return 0; } |