Overview
Comment: | Updated to use uid/gid instead of usernames |
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Files: | files | file ages | folders |
SHA1: |
1e1d242f28b61129b33b620ece88bbbf |
User & Date: | rkeene on 2012-09-17 13:23:44 |
Other Links: | manifest | tags |
Context
2012-09-17
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13:24 | Added UNIX domain socket support check-in: 396386bf82 user: rkeene tags: trunk | |
13:23 | Updated to use uid/gid instead of usernames check-in: 1e1d242f28 user: rkeene tags: trunk | |
2012-09-15
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06:53 | Removed unneeded casts check-in: e91caa4ecf user: rkeene tags: trunk | |
Changes
Modified system.c from [2a84d834a9] to [9210e80361].
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1876 1877 1878 1879 1880 1881 1882 | } return(retval); } static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { struct timeval select_timeout; | | | | | | | < < > > > > > > > > > > | 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 | } return(retval); } static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) { struct timeval select_timeout; Tcl_WideInt umask_val, timeout_val, uid_val, gid_val; Tcl_Obj *filename_obj, *env_obj, *logfile_obj, **env_entry_objv, *cwd_obj, *umask_obj, *uid_obj, *gid_obj; Tcl_Obj *sri_obj, *timeout_obj; pid_t child, child_pgid = -1, waitpid_ret; ssize_t read_ret; time_t currtime; char *argv[3], *envv[512]; char *logfile, *filename, *cwd; char logmsg[2048]; fd_set read_fdset; int pipe_ret, setsid_ret, execve_ret, tcl_ret, select_ret, chdir_ret; int null_fd, log_fd, tmp_fd, max_fd; int env_entry_objc; int fds[2], fd; int status; int idx; /* 1. Parse arguments */ /* 1.a. Ensure the correct number of arguments were passed */ if (objc != 10) { Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::tsmf_start_svc sri filename logfile env cwd umask uid gid timeout\"", -1)); return(TCL_ERROR); } /* 1.b. Identify Tcl_Objs to use for each argument */ sri_obj = objv[1]; filename_obj = objv[2]; logfile_obj = objv[3]; env_obj = objv[4]; cwd_obj = objv[5]; umask_obj = objv[6]; uid_obj = objv[7]; gid_obj = objv[8]; timeout_obj = objv[9]; /* 1.c. Store string arguments */ filename = Tcl_GetString(filename_obj); logfile = Tcl_GetString(logfile_obj); cwd = Tcl_GetString(cwd_obj); /* 1.d. Integer objects */ tcl_ret = Tcl_GetWideIntFromObj(interp, umask_obj, &umask_val); if (tcl_ret != TCL_OK) { return(tcl_ret); } tcl_ret = Tcl_GetWideIntFromObj(interp, timeout_obj, &timeout_val); if (tcl_ret != TCL_OK) { return(tcl_ret); } tcl_ret = Tcl_GetWideIntFromObj(interp, uid_obj, &uid_val); if (tcl_ret != TCL_OK) { return(tcl_ret); } tcl_ret = Tcl_GetWideIntFromObj(interp, gid_obj, &gid_val); if (tcl_ret != TCL_OK) { return(tcl_ret); } /* 1.e. Process environment */ tcl_ret = Tcl_ListObjGetElements(interp, env_obj, &env_entry_objc, &env_entry_objv); if (tcl_ret != TCL_OK) { return(tcl_ret); } |
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2069 2070 2071 2072 2073 2074 2075 | } close(tmp_fd); } /* 6.g. Switch to appropriate user/group */ /* 6.g.i. Group */ | < > < > | 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 | } close(tmp_fd); } /* 6.g. Switch to appropriate user/group */ /* 6.g.i. Group */ setgid(gid_val); /* 6.g.ii. User */ setuid(uid_val); /* 7. Create a new process to actually spawn the process */ child = fork(); if (child == -1) { write(fd, &child_pgid, sizeof(child_pgid)); _exit(0); |
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