From df277d693484868d23eb4b56a1bb13051f92faab Mon Sep 17 00:00:00 2001 From: Lammert Bies Date: Sat, 10 Dec 2016 10:49:32 +0100 Subject: [PATCH] Moved set_uid_option to own file --- Makefile | 1 + src/httplib_set_uid_option.c | 64 ++++++++++++++++++++++++++++++++++++ src/libhttp.c | 29 ---------------- 3 files changed, 65 insertions(+), 29 deletions(-) create mode 100644 src/httplib_set_uid_option.c diff --git a/Makefile b/Makefile index 62a6520a..1dae6bfd 100644 --- a/Makefile +++ b/Makefile @@ -69,6 +69,7 @@ LIB_SOURCES = src/libhttp.c \ src/httplib_set_ssl_option.c \ src/httplib_set_sock_timeout.c \ src/httplib_set_tcp_nodelay.c \ + src/httplib_set_uid_option.c \ src/httplib_ssl_error.c \ src/httplib_ssl_get_client_cert_info.c \ src/httplib_ssl_get_protocol.c \ diff --git a/src/httplib_set_uid_option.c b/src/httplib_set_uid_option.c new file mode 100644 index 00000000..06853e87 --- /dev/null +++ b/src/httplib_set_uid_option.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2016 Lammert Bies + * Copyright (c) 2013-2016 the Civetweb developers + * Copyright (c) 2004-2013 Sergey Lyubka + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + + +#include "libhttp-private.h" + + + +/* + * int XX_httplib_set_uid_option( struct mg_contect *ctx ); + * + * The function XX_httplib_set_uid_option() runs on systems which support it + * the context in the security environment of a specific user. + */ + +#if !defined(_WIN32) + +int XX_httplib_set_uid_option( struct mg_context *ctx ) { + + struct passwd *pw; + + if ( ctx != NULL ) { + + const char *uid = ctx->config[RUN_AS_USER]; + int success = 0; + + if (uid == NULL) success = 1; + else { + if ( (pw = getpwnam(uid)) == NULL ) mg_cry( XX_httplib_fc(ctx), "%s: unknown user [%s]", __func__, uid ); + else if ( setgid(pw->pw_gid) == -1 ) mg_cry( XX_httplib_fc(ctx), "%s: setgid(%s): %s", __func__, uid, strerror(errno) ); + else if ( setgroups(0, NULL) ) mg_cry( XX_httplib_fc(ctx), "%s: setgroups(): %s", __func__, strerror(errno) ); + else if ( setuid(pw->pw_uid) == -1 ) mg_cry( XX_httplib_fc(ctx), "%s: setuid(%s): %s", __func__, uid, strerror(errno) ); + else success = 1; + } + + return success; + } + return 0; + +} /* XX_httplib_set_uid_option */ + +#endif /* !_WIN32 */ diff --git a/src/libhttp.c b/src/libhttp.c index 15af0b52..2e4dac4d 100644 --- a/src/libhttp.c +++ b/src/libhttp.c @@ -8328,32 +8328,3 @@ int XX_httplib_check_acl( struct mg_context *ctx, uint32_t remote_ip ) { return -1; } /* XX_httplib_check_acl */ - - -#if !defined(_WIN32) - -int XX_httplib_set_uid_option( struct mg_context *ctx ) { - - struct passwd *pw; - - if ( ctx != NULL ) { - - const char *uid = ctx->config[RUN_AS_USER]; - int success = 0; - - if (uid == NULL) success = 1; - else { - if ( (pw = getpwnam(uid)) == NULL ) mg_cry( XX_httplib_fc(ctx), "%s: unknown user [%s]", __func__, uid ); - else if ( setgid(pw->pw_gid) == -1 ) mg_cry( XX_httplib_fc(ctx), "%s: setgid(%s): %s", __func__, uid, strerror(errno) ); - else if ( setgroups(0, NULL) ) mg_cry( XX_httplib_fc(ctx), "%s: setgroups(): %s", __func__, strerror(errno) ); - else if ( setuid(pw->pw_uid) == -1 ) mg_cry( XX_httplib_fc(ctx), "%s: setuid(%s): %s", __func__, uid, strerror(errno) ); - else success = 1; - } - - return success; - } - return 0; - -} /* XX_httplib_set_uid_option */ - -#endif /* !_WIN32 */