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-rw-r--r--source3/libsmb/libsmbclient.c101
1 files changed, 57 insertions, 44 deletions
diff --git a/source3/libsmb/libsmbclient.c b/source3/libsmb/libsmbclient.c
index fda619c529..e992cbbfc4 100644
--- a/source3/libsmb/libsmbclient.c
+++ b/source3/libsmb/libsmbclient.c
@@ -181,7 +181,8 @@ smbc_urldecode(char *dest, char * src, size_t max_dest_len)
*p = '\0';
- strncpy(dest, temp, max_dest_len);
+ strncpy(dest, temp, max_dest_len - 1);
+ dest[max_dest_len - 1] = '\0';
return err_count;
}
@@ -268,6 +269,7 @@ static const char *smbc_prefix = "smb:";
static int
smbc_parse_path(SMBCCTX *context,
const char *fname,
+ char *workgroup, int workgroup_len,
char *server, int server_len,
char *share, int share_len,
char *path, int path_len,
@@ -282,6 +284,16 @@ smbc_parse_path(SMBCCTX *context,
int len;
server[0] = share[0] = path[0] = user[0] = password[0] = (char)0;
+
+ /*
+ * Assume we wont find an authentication domain to parse, so default
+ * to the workgroup in the provided context.
+ */
+ if (workgroup != NULL) {
+ strncpy(workgroup, context->workgroup, workgroup_len - 1);
+ workgroup[workgroup_len - 1] = '\0';
+ }
+
if (options != NULL && options_len > 0) {
options[0] = (char)0;
}
@@ -328,6 +340,7 @@ smbc_parse_path(SMBCCTX *context,
((strlen(context->workgroup) < 16)
? strlen(context->workgroup)
: 16));
+ server[server_len - 1] = '\0';
return 0;
}
@@ -369,11 +382,20 @@ smbc_parse_path(SMBCCTX *context,
}
- if (username[0])
- strncpy(user, username, user_len); /* FIXME, domain */
+ if (domain[0] && workgroup) {
+ strncpy(workgroup, domain, workgroup_len - 1);
+ workgroup[workgroup_len - 1] = '\0';
+ }
- if (passwd[0])
- strncpy(password, passwd, password_len);
+ if (username[0]) {
+ strncpy(user, username, user_len - 1);
+ user[user_len - 1] = '\0';
+ }
+
+ if (passwd[0]) {
+ strncpy(password, passwd, password_len - 1);
+ password[password_len - 1] = '\0';
+ }
}
@@ -1001,6 +1023,7 @@ smbc_open_ctx(SMBCCTX *context,
}
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -1013,8 +1036,6 @@ smbc_open_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -1208,6 +1229,7 @@ smbc_read_ctx(SMBCCTX *context,
/*d_printf(">>>read: parsing %s\n", file->fname);*/
if (smbc_parse_path(context, file->fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -1288,6 +1310,7 @@ smbc_write_ctx(SMBCCTX *context,
/*d_printf(">>>write: parsing %s\n", file->fname);*/
if (smbc_parse_path(context, file->fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -1359,6 +1382,7 @@ smbc_close_ctx(SMBCCTX *context,
/*d_printf(">>>close: parsing %s\n", file->fname);*/
if (smbc_parse_path(context, file->fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -1645,6 +1669,7 @@ smbc_unlink_ctx(SMBCCTX *context,
}
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -1657,8 +1682,6 @@ smbc_unlink_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -1762,6 +1785,7 @@ smbc_rename_ctx(SMBCCTX *ocontext,
DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
smbc_parse_path(ocontext, oname,
+ workgroup, sizeof(workgroup),
server1, sizeof(server1),
share1, sizeof(share1),
path1, sizeof(path1),
@@ -1772,6 +1796,7 @@ smbc_rename_ctx(SMBCCTX *ocontext,
if (user1[0] == (char)0) fstrcpy(user1, ocontext->user);
smbc_parse_path(ncontext, nname,
+ NULL, 0,
server2, sizeof(server2),
share2, sizeof(share2),
path2, sizeof(path2),
@@ -1791,8 +1816,6 @@ smbc_rename_ctx(SMBCCTX *ocontext,
}
- fstrcpy(workgroup, ocontext->workgroup);
-
srv = smbc_server(ocontext, True,
server1, share1, workgroup, user1, password1);
if (!srv) {
@@ -1891,6 +1914,7 @@ smbc_lseek_ctx(SMBCCTX *context,
case SEEK_END:
/*d_printf(">>>lseek: parsing %s\n", file->fname);*/
if (smbc_parse_path(context, file->fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -2049,6 +2073,7 @@ smbc_stat_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_stat(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -2061,8 +2086,6 @@ smbc_stat_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -2137,6 +2160,7 @@ smbc_fstat_ctx(SMBCCTX *context,
/*d_printf(">>>fstat: parsing %s\n", file->fname);*/
if (smbc_parse_path(context, file->fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -2270,8 +2294,12 @@ add_dirent(SMBCFILE *dir,
dirent->commentlen = comment_len;
dirent->dirlen = size;
+ /*
+ * dirent->namelen + 1 includes the null (no null termination needed)
+ * Ditto for dirent->commentlen.
+ * The space for the two null bytes was allocated.
+ */
strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
-
dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
@@ -2510,6 +2538,7 @@ smbc_opendir_ctx(SMBCCTX *context,
}
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -2534,8 +2563,6 @@ smbc_opendir_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- pstrcpy(workgroup, context->workgroup);
-
dir = SMB_MALLOC_P(SMBCFILE);
if (!dir) {
@@ -2934,14 +2961,8 @@ smbc_readdir_internal(SMBCCTX * context,
dest->comment = dest->name + dest->namelen + 1;
/* Copy the comment */
- strncpy(dest->comment, src->comment, max_namebuf_len);
-
- /* Ensure the comment is null terminated */
- if (max_namebuf_len > src->commentlen) {
- dest->comment[src->commentlen] = '\0';
- } else {
- dest->comment[max_namebuf_len - 1] = '\0';
- }
+ strncpy(dest->comment, src->comment, max_namebuf_len - 1);
+ dest->comment[max_namebuf_len - 1] = '\0';
/* Save other fields */
dest->smbc_type = src->smbc_type;
@@ -3156,6 +3177,7 @@ smbc_mkdir_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_mkdir(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -3168,8 +3190,6 @@ smbc_mkdir_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -3253,6 +3273,7 @@ smbc_rmdir_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_rmdir(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -3266,8 +3287,6 @@ smbc_rmdir_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -3507,6 +3526,7 @@ smbc_chmod_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -3519,8 +3539,6 @@ smbc_chmod_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -3586,13 +3604,13 @@ smbc_utimes_ctx(SMBCCTX *context,
char atimebuf[32];
char mtimebuf[32];
- strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf));
+ strncpy(atimebuf, ctime(&a_time), sizeof(atimebuf) - 1);
atimebuf[sizeof(atimebuf) - 1] = '\0';
if ((p = strchr(atimebuf, '\n')) != NULL) {
*p = '\0';
}
- strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf));
+ strncpy(mtimebuf, ctime(&m_time), sizeof(mtimebuf) - 1);
mtimebuf[sizeof(mtimebuf) - 1] = '\0';
if ((p = strchr(mtimebuf, '\n')) != NULL) {
*p = '\0';
@@ -3603,6 +3621,7 @@ smbc_utimes_ctx(SMBCCTX *context,
}
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -3615,8 +3634,6 @@ smbc_utimes_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -4999,6 +5016,7 @@ smbc_setxattr_ctx(SMBCCTX *context,
fname, name, (int) size, (const char*)value));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5011,8 +5029,6 @@ smbc_setxattr_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
if (!srv) {
@@ -5267,6 +5283,7 @@ smbc_getxattr_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5279,8 +5296,6 @@ smbc_getxattr_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
if (!srv) {
@@ -5384,6 +5399,7 @@ smbc_removexattr_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5396,8 +5412,6 @@ smbc_removexattr_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
if (!srv) {
@@ -5539,6 +5553,7 @@ smbc_open_print_job_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ NULL, 0,
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5676,6 +5691,7 @@ smbc_list_print_jobs_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5688,8 +5704,6 @@ smbc_list_print_jobs_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);
@@ -5747,6 +5761,7 @@ smbc_unlink_print_job_ctx(SMBCCTX *context,
DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname));
if (smbc_parse_path(context, fname,
+ workgroup, sizeof(workgroup),
server, sizeof(server),
share, sizeof(share),
path, sizeof(path),
@@ -5759,8 +5774,6 @@ smbc_unlink_print_job_ctx(SMBCCTX *context,
if (user[0] == (char)0) fstrcpy(user, context->user);
- fstrcpy(workgroup, context->workgroup);
-
srv = smbc_server(context, True,
server, share, workgroup, user, password);