www.pudn.com > kRtspProxyd.zip > sysctl.c
/* kRtspProxyd Sysctl interface */ /**************************************************************** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ****************************************************************/ #include#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "prototypes.h" char sysctl_krtsproxyd_cacheroot[200] = "/var/cache-root"; int sysctl_krtsproxyd_stop = 0; int sysctl_krtsproxyd_start = 0; int sysctl_krtsproxyd_unload = 0; int sysctl_krtsproxyd_clientport = 554; int sysctl_krtsproxyd_permreq = S_IROTH; /* "other" read-access is required by default*/ int sysctl_krtsproxyd_permforbid = S_IFDIR | S_ISVTX | S_IXOTH | S_IXGRP | S_IXUSR; /* forbidden is execute, directory and sticky*/ int sysctl_krtsproxyd_logging = 0; char sysctl_krtsproxyd_serverip[20] = "#"; //the IP of the proxy server int sysctl_krtsproxyd_serverport= 554; //rtsp default char sysctl_krtsproxyd_dynamicstring[200]; int sysctl_krtsproxyd_sloppymime= 0; int sysctl_krtsproxyd_threads = 1; //change this value according to the CPU number of your machine int sysctl_krtsproxyd_maxconnect = 50; static struct ctl_table_header *krtsproxyd_table_header; static int sysctl_SecureString(ctl_table *table, int *name, int nlen, void *oldval, size_t *oldlenp, void *newval, size_t newlen, void **context); static int proc_dosecurestring(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp); static ctl_table krtsproxyd_table[] = { { NET_KRTSPROXYD_CACHEROOT, "cacheroot", &sysctl_krtsproxyd_cacheroot, sizeof(sysctl_krtsproxyd_cacheroot), 0644, NULL, proc_dostring, &sysctl_string, NULL, NULL, NULL }, { NET_KRTSPROXYD_STOP, "stop", &sysctl_krtsproxyd_stop, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_START, "start", &sysctl_krtsproxyd_start, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_UNLOAD, "unload", &sysctl_krtsproxyd_unload, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_THREADS, "threads", &sysctl_krtsproxyd_threads, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_MAXCONNECT, "maxconnect", &sysctl_krtsproxyd_maxconnect, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_SLOPPYMIME, "sloppymime", &sysctl_krtsproxyd_sloppymime, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_CLIENTPORT, "clientport", &sysctl_krtsproxyd_clientport, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_PERMREQ, "perm_required", &sysctl_krtsproxyd_permreq, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_PERMFORBID, "perm_forbid", &sysctl_krtsproxyd_permforbid, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_LOGGING, "logging", &sysctl_krtsproxyd_logging, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_SERVERIP, "serverip", &sysctl_krtsproxyd_serverip, sizeof(sysctl_krtsproxyd_serverip), 0644, NULL, proc_dostring, &sysctl_string, NULL, NULL, NULL }, { NET_KRTSPROXYD_SERVERPORT, "serverport", &sysctl_krtsproxyd_serverport, sizeof(int), 0644, NULL, proc_dointvec, &sysctl_intvec, NULL, NULL, NULL }, { NET_KRTSPROXYD_DYNAMICSTRING, "dynamic", &sysctl_krtsproxyd_dynamicstring, sizeof(sysctl_krtsproxyd_dynamicstring), 0644, NULL, proc_dosecurestring, &sysctl_SecureString, NULL, NULL, NULL }, {0,0,0,0,0,0,0,0,0,0,0} }; static ctl_table krtsproxyd_dir_table[] = { {NET_KRTSPROXYD, "krtsproxyd", NULL, 0, 0555, krtsproxyd_table,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0} }; static ctl_table krtsproxyd_root_table[] = { {CTL_NET, "net", NULL, 0, 0555, krtsproxyd_dir_table,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0} }; void StartSysctl(void) { krtsproxyd_table_header = register_sysctl_table(krtsproxyd_root_table,1); } void EndSysctl(void) { unregister_sysctl_table(krtsproxyd_table_header); } static int proc_dosecurestring(ctl_table *table, int write, struct file *filp, void *buffer, size_t *lenp) { size_t len; char *p, c=0; char String[256]; if ((table->data==0) || (table->maxlen==0) || (*lenp==0) || ((filp->f_pos!=0) && (write==0))) { *lenp = 0; return 0; } if (write!=0) { len = 0; p = buffer; while (len < *lenp) { if(get_user(c, p++)) return -EFAULT; if (c == 0 || c == '\n') break; len++; } if (len >= table->maxlen) len = table->maxlen-1; if(copy_from_user(String, buffer,(unsigned long)len)) return -EFAULT; ((char *) String)[len] = 0; filp->f_pos += *lenp; AddDynamicString(String); } else { GetSecureString(String); len = strlen(String); if (len > table->maxlen) len = table->maxlen; if (len > *lenp) len = *lenp; if (len!=0) if(copy_to_user(buffer, String,(unsigned long)len)) return -EFAULT; if (len < *lenp) { if(put_user('\n', ((char *) buffer) + len)) return -EFAULT; len++; } *lenp = len; filp->f_pos += len; } return 0; } static int sysctl_SecureString (/*@unused@*/ctl_table *table, /*@unused@*/int *name, /*@unused@*/int nlen, /*@unused@*/void *oldval, /*@unused@*/size_t *oldlenp, /*@unused@*/void *newval, /*@unused@*/size_t newlen, /*@unused@*/void **context) { return -ENOSYS; }