lib/libssh2
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examples: use stderr for messages, stdout for data

Browse Source 
Reported by: Karel Srot
Bug: https://bugzilla.redhat.com/867462
This commit is contained in:
Kamil Dudka
2012-10-22 13:29:27 +02:00
parent e2bb780d77
commit b31e35aba6
20 changed files with 148 additions and 141 deletions
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49
example/sftp.c
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@ -55,24 +55,24 @@ static void kbd_callback(const char *name, int name_len,
char buf[1024];
(void)abstract;
printf("Performing keyboard-interactive authentication.\n");
fprintf(stderr, "Performing keyboard-interactive authentication.\n");
printf("Authentication name: '");
fwrite(name, 1, name_len, stdout);
printf("'\n");
fprintf(stderr, "Authentication name: '");
fwrite(name, 1, name_len, stderr);
fprintf(stderr, "'\n");
printf("Authentication instruction: '");
fwrite(instruction, 1, instruction_len, stdout);
printf("'\n");
fprintf(stderr, "Authentication instruction: '");
fwrite(instruction, 1, instruction_len, stderr);
fprintf(stderr, "'\n");
printf("Number of prompts: %d\n\n", num_prompts);
fprintf(stderr, "Number of prompts: %d\n\n", num_prompts);
for (i = 0; i < num_prompts; i++) {
printf("Prompt %d from server: '", i);
fwrite(prompts[i].text, 1, prompts[i].length, stdout);
printf("'\n");
fprintf(stderr, "Prompt %d from server: '", i);
fwrite(prompts[i].text, 1, prompts[i].length, stderr);
fprintf(stderr, "'\n");
printf("Please type response: ");
fprintf(stderr, "Please type response: ");
fgets(buf, sizeof(buf), stdin);
n = strlen(buf);
while (n > 0 && strchr("\r\n", buf[n - 1]))
@ -82,12 +82,13 @@ static void kbd_callback(const char *name, int name_len,
responses[i].text = strdup(buf);
responses[i].length = n;
printf("Response %d from user is '", i);
fwrite(responses[i].text, 1, responses[i].length, stdout);
printf("'\n\n");
fprintf(stderr, "Response %d from user is '", i);
fwrite(responses[i].text, 1, responses[i].length, stderr);
fprintf(stderr, "'\n\n");
}
printf("Done. Sending keyboard-interactive responses to server now.\n");
fprintf(stderr,
"Done. Sending keyboard-interactive responses to server now.\n");
}
@ -127,7 +128,7 @@ int main(int argc, char *argv[])
rc = libssh2_init (0);
if (rc != 0) {
fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
fprintf(stderr, "libssh2 initialization failed (%d)\n", rc);
return 1;
}
@ -178,7 +179,7 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password") != NULL) {
auth_pw |= 1;
}
@ -211,21 +212,23 @@ int main(int argc, char *argv[])
} else if (auth_pw & 2) {
/* Or via keyboard-interactive */
if (libssh2_userauth_keyboard_interactive(session, username, &kbd_callback) ) {
printf("\tAuthentication by keyboard-interactive failed!\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by keyboard-interactive succeeded.\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive succeeded.\n");
}
} else if (auth_pw & 4) {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1, keyfile2, password)) {
printf("\tAuthentication by public key failed!\n");
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by public key succeeded.\n");
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
}
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}