credentials: Move code that doesn't need any external dependencies into

credentials.c.

1 files changed, 147 insertions, 0 deletions

diff --git a/source4/auth/credentials/credentials.c b/source4/auth/credentials/credentials.c
index e1965b3f84..30ab46d0ad 100644
--- a/source4/auth/credentials/credentials.c
+++ b/source4/auth/credentials/credentials.c
@@ -29,6 +29,7 @@
 #include "libcli/auth/libcli_auth.h"
 #include "lib/events/events.h"
 #include "param/param.h"
+#include "system/filesys.h"
 
 /**
  * Create a new credentials structure
@@ -853,3 +854,149 @@ _PUBLIC_ bool cli_credentials_wrong_password(struct cli_credentials *cred)
 
 	return (cred->tries > 0);
 }
+
+_PUBLIC_ void cli_credentials_get_ntlm_username_domain(struct cli_credentials *cred, TALLOC_CTX *mem_ctx, 
+					      const char **username, 
+					      const char **domain) 
+{
+	if (cred->principal_obtained > cred->username_obtained) {
+		*domain = talloc_strdup(mem_ctx, "");
+		*username = cli_credentials_get_principal(cred, mem_ctx);
+	} else {
+		*domain = cli_credentials_get_domain(cred);
+		*username = cli_credentials_get_username(cred);
+	}
+}
+
+/**
+ * Read a named file, and parse it for username, domain, realm and password
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param file a named file to read the details from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+_PUBLIC_ bool cli_credentials_parse_file(struct cli_credentials *cred, const char *file, enum credentials_obtained obtained) 
+{
+	uint16_t len = 0;
+	char *ptr, *val, *param;
+	char **lines;
+	int i, numlines;
+
+	lines = file_lines_load(file, &numlines, 0, NULL);
+
+	if (lines == NULL)
+	{
+		/* fail if we can't open the credentials file */
+		d_printf("ERROR: Unable to open credentials file!\n");
+		return false;
+	}
+
+	for (i = 0; i < numlines; i++) {
+		len = strlen(lines[i]);
+
+		if (len == 0)
+			continue;
+
+		/* break up the line into parameter & value.
+		 * will need to eat a little whitespace possibly */
+		param = lines[i];
+		if (!(ptr = strchr_m (lines[i], '=')))
+			continue;
+
+		val = ptr+1;
+		*ptr = '\0';
+
+		/* eat leading white space */
+		while ((*val!='\0') && ((*val==' ') || (*val=='\t')))
+			val++;
+
+		if (strwicmp("password", param) == 0) {
+			cli_credentials_set_password(cred, val, obtained);
+		} else if (strwicmp("username", param) == 0) {
+			cli_credentials_set_username(cred, val, obtained);
+		} else if (strwicmp("domain", param) == 0) {
+			cli_credentials_set_domain(cred, val, obtained);
+		} else if (strwicmp("realm", param) == 0) {
+			cli_credentials_set_realm(cred, val, obtained);
+		}
+		memset(lines[i], 0, len);
+	}
+
+	talloc_free(lines);
+
+	return true;
+}
+
+/**
+ * Read a named file, and parse it for a password
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param file a named file to read the password from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+_PUBLIC_ bool cli_credentials_parse_password_file(struct cli_credentials *credentials, const char *file, enum credentials_obtained obtained)
+{
+	int fd = open(file, O_RDONLY, 0);
+	bool ret;
+
+	if (fd < 0) {
+		fprintf(stderr, "Error opening password file %s: %s\n",
+				file, strerror(errno));
+		return false;
+	}
+
+	ret = cli_credentials_parse_password_fd(credentials, fd, obtained);
+
+	close(fd);
+	
+	return ret;
+}
+
+
+/**
+ * Read a file descriptor, and parse it for a password (eg from a file or stdin)
+ *
+ * @param credentials Credentials structure on which to set the password
+ * @param fd open file descriptor to read the password from 
+ * @param obtained This enum describes how 'specified' this password is
+ */
+
+_PUBLIC_ bool cli_credentials_parse_password_fd(struct cli_credentials *credentials, 
+				       int fd, enum credentials_obtained obtained)
+{
+	char *p;
+	char pass[128];
+
+	for(p = pass, *p = '\0'; /* ensure that pass is null-terminated */
+		p && p - pass < sizeof(pass);) {
+		switch (read(fd, p, 1)) {
+		case 1:
+			if (*p != '\n' && *p != '\0') {
+				*++p = '\0'; /* advance p, and null-terminate pass */
+				break;
+			}
+			/* fall through */
+		case 0:
+			if (p - pass) {
+				*p = '\0'; /* null-terminate it, just in case... */
+				p = NULL; /* then force the loop condition to become false */
+				break;
+			} else {
+				fprintf(stderr, "Error reading password from file descriptor %d: %s\n", fd, "empty password\n");
+				return false;
+			}
+
+		default:
+			fprintf(stderr, "Error reading password from file descriptor %d: %s\n",
+					fd, strerror(errno));
+			return false;
+		}
+	}
+
+	cli_credentials_set_password(credentials, pass, obtained);
+	return true;
+}
+
+