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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2012-01-22 01:02:36 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2012-01-22 01:02:36 -0600 |
commit | b81e43465b14836b17e4fe2dea91c78a2bdd29b3 (patch) | |
tree | 7815d61ce59a6ccb6e655ed44f5fea786f520985 /kdm/backend/resource.c | |
parent | 7021f40c13f949b7cb5ded32d0241d648a43bf6c (diff) | |
download | tdebase-b81e43465b14836b17e4fe2dea91c78a2bdd29b3.tar.gz tdebase-b81e43465b14836b17e4fe2dea91c78a2bdd29b3.zip |
Part 2 of prior commit
Diffstat (limited to 'kdm/backend/resource.c')
-rw-r--r-- | kdm/backend/resource.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/kdm/backend/resource.c b/kdm/backend/resource.c deleted file mode 100644 index f17db78ec..000000000 --- a/kdm/backend/resource.c +++ /dev/null @@ -1,486 +0,0 @@ -/* - -Copyright 1988, 1998 The Open Group -Copyright 2000-2005 Oswald Buddenhagen <ossi@kde.org> - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 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. - -Except as contained in this notice, the name of a copyright holder shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from the copyright holder. - -*/ - -/* - * xdm - display manager daemon - * Author: Keith Packard, MIT X Consortium - * - * obtain configuration data - */ - -#include "dm.h" -#include "dm_error.h" - -#include <sys/stat.h> - - -static char **originalArgv; - -static GProc getter; -GTalk cnftalk; - -static void -OpenGetter() -{ - GSet( &cnftalk ); - if (!getter.pid) { - if (GOpen( &getter, - originalArgv, "_config", 0, strdup( "config reader" ), - 0 )) - LogPanic( "Cannot run config reader\n" ); - Debug( "getter now ready\n" ); - } -} - -void -CloseGetter() -{ - if (getter.pid) { - GSet( &cnftalk ); - (void)GClose (&getter, 0, 0); - Debug( "getter now closed\n" ); - } -} - -/* - * ref-counted, unique-instance strings - */ -static RcStr *strs; - -/* - * make a ref-counted string of the argument. the new string will - * have a ref-count of 1. the passed string pointer is no longer valid. - */ -RcStr * -newStr( char *str ) -{ - RcStr *cs; - - for (cs = strs; cs; cs = cs->next) - if (!strcmp( str, cs->str )) { - free( str ); - cs->cnt++; - return cs; - } - if (!(cs = Malloc( sizeof(*cs) ))) - return 0; - cs->cnt = 1; - cs->str = str; - cs->next = strs; - strs = cs; - return cs; -} - -/* - * decrement ref-count and delete string when count drops to 0. - */ -void -delStr( RcStr *str ) -{ - RcStr **cs; - - if (!str || --str->cnt) - return; - for (cs = &strs; *cs; cs = &((*cs)->next)) - if (str == *cs) { - *cs = (*cs)->next; - free( (*cs)->str ); - free( *cs ); - break; - } -} - - -typedef struct CfgFile { - RcStr *name; - int depidx; - long deptime; -} CfgFile; - -static int numCfgFiles; -static CfgFile *cfgFiles; - -static int cfgMapT[] = { - GC_gGlobal, - GC_gDisplay, -#ifdef XDMCP - GC_gXaccess, -#endif -}; -static int cfgMap[as(cfgMapT)]; - -static int -GetDeps() -{ - int ncf, i, dep, ret; - CfgFile *cf; - - OpenGetter(); - GSendInt( GC_Files ); - ncf = GRecvInt(); - if (!(cf = Malloc( ncf * sizeof(*cf) ))) { - CloseGetter(); - return 0; - } - for (i = 0; i < ncf; i++) { - cf[i].name = newStr( GRecvStr() ); - if ((dep = cf[i].depidx = GRecvInt()) != -1) - cf[i].deptime = mTime( cf[dep].name->str ); - } - if (cfgFiles) { - for (i = 0; i < numCfgFiles; i++) - delStr( cfgFiles[i].name ); - free( cfgFiles ); - } - ret = 1; - cfgFiles = cf; - numCfgFiles = ncf; - for (i = 0; i < as(cfgMapT); i++) { - GSendInt( cfgMapT[i] ); - if ((cfgMap[i] = GRecvInt()) < 0) { - LogError( "Config reader does not support config cathegory %#x\n", - cfgMapT[i] ); - ret = 0; - } - } - GSendInt( -1 ); - return ret; -} - -static int -checkDep( int idx ) -{ - int dep; - - if ((dep = cfgFiles[idx].depidx) == -1) - return 0; - if (checkDep( dep )) - return 1; - return mTime( cfgFiles[dep].name->str ) != cfgFiles[idx].deptime; -} - -static int -needsReScan( int what, CfgDep *dep ) -{ - int widx, idx; - long mt; - - for (widx = 0; cfgMapT[widx] != what; widx++); - idx = cfgMap[widx]; - if (checkDep( idx )) { - if (!GetDeps()) - return -1; - idx = cfgMap[widx]; - } - mt = mTime( cfgFiles[idx].name->str ); - if (dep->name != cfgFiles[idx].name) { - if (dep->name) - delStr( dep->name ); - dep->name = cfgFiles[idx].name; - dep->name->cnt++; - dep->time = mt; - return 1; - } else if (dep->time != mt) { - dep->time = mt; - return 1; - } else - return 0; -} - -int -startConfig( int what, CfgDep *dep, int force ) -{ - int ret; - - if ((ret = needsReScan( what, dep )) < 0 || (!ret && !force)) - return ret; - OpenGetter(); - GSendInt( GC_GetConf ); - GSendInt( what ); - GSendStr( dep->name->str ); - return 1; -} - -static void -LoadResources( CfgArr *conf ) -{ - char **vptr, **pptr, *cptr; - long *iptr, i, id, nu, j, nptr, nint, nchr; - - if (conf->data) - free( conf->data ); - conf->numCfgEnt = GRecvInt(); - nptr = GRecvInt(); - nint = GRecvInt(); - nchr = GRecvInt(); - if (!(conf->data = Malloc( conf->numCfgEnt * - (sizeof(long) + - sizeof(char *)) + - nptr * sizeof(char *) + - nint * sizeof(long) + - nchr ))) - { - CloseGetter(); - return; - } - vptr = (char **)conf->data; - pptr = vptr + conf->numCfgEnt; - conf->idx = (long *)(pptr + nptr); - iptr = conf->idx + conf->numCfgEnt; - cptr = (char *)(iptr + nint); - for (i = 0; i < conf->numCfgEnt; i++) { - id = GRecvInt(); - conf->idx[i] = id; - switch (id & C_TYPE_MASK) { - case C_TYPE_INT: - vptr[i] = (char *)((unsigned long)GRecvInt()); - break; - case C_TYPE_STR: - vptr[i] = cptr; - cptr += GRecvStrBuf( cptr ); - break; - case C_TYPE_ARGV: - nu = GRecvInt(); - vptr[i] = (char *)pptr; - for (j = 0; j < nu; j++) { - *pptr++ = cptr; - cptr += GRecvStrBuf( cptr ); - } - *pptr++ = (char *)0; - break; - default: - LogError( "Config reader supplied unknown data type in id %#x\n", - id ); - break; - } - } -} - -static void -ApplyResource( int id, char **src, char **dst ) -{ - switch (id & C_TYPE_MASK) { - case C_TYPE_INT: - *(int *)dst = *(long *)src; - break; - case C_TYPE_STR: - case C_TYPE_ARGV: - *dst = *src; - break; - } -} - - -#define boffset(f) XtOffsetOf(struct display, f) - -/* no global variables exported currently -struct globEnts { - int id; - char **off; -} globEnt[] = { -}; - */ - -/* no per-display variables exported currently -struct dpyEnts { - int id; - int off; -} dpyEnt[] = { -}; - */ - -CfgArr cfg; - -char ** -FindCfgEnt( struct display *d, int id ) -{ - int i; - -/* no global variables exported currently - for (i = 0; i < as(globEnt); i++) - if (globEnt[i].id == id) - return globEnt[i].off; - */ - for (i = 0; i < cfg.numCfgEnt; i++) - if (cfg.idx[i] == id) - return ((char **)cfg.data) + i; - if (d) { -/* no per-display variables exported currently - for (i = 0; i < as(dpyEnt); i++) - if (dpyEnt[i].id == id) - return (char **)(((char *)d) + dpyEnt[i].off); - */ - for (i = 0; i < d->cfg.numCfgEnt; i++) - if (d->cfg.idx[i] == id) - return ((char **)d->cfg.data) + i; - } - Debug( "unknown config entry %#x requested\n", id ); - return (char **)0; -} - - -CONF_CORE_GLOBAL_DEFS - -struct globVals { - int id; - char **off; -} globVal[] = { -CONF_CORE_GLOBALS -}; - -int -LoadDMResources( int force ) -{ - int i, ret; - char **ent; - - if (Setjmp( cnftalk.errjmp )) - return -1; /* may memleak, but we probably have to abort anyway */ - if ((ret = startConfig( GC_gGlobal, &cfg.dep, force )) <= 0) - return ret; - LoadResources( &cfg ); -/* Debug( "manager resources: %[*x\n", - cfg.numCfgEnt, ((char **)cfg.data) + cfg.numCfgEnt );*/ - ret = 1; - for (i = 0; i < as(globVal); i++) { - if (!(ent = FindCfgEnt( 0, globVal[i].id ))) - ret = -1; - else - ApplyResource( globVal[i].id, ent, globVal[i].off ); - } - if (ret < 0) - LogError( "Internal error: config reader supplied incomplete data\n" ); - return ret; -} - - -struct dpyVals { - int id; - int off; -} dpyVal[] = { -CONF_CORE_LOCALS -}; - -int -LoadDisplayResources( struct display *d ) -{ - int i, ret; - char **ent; - - if (Setjmp( cnftalk.errjmp )) - return -1; /* may memleak */ - if ((ret = startConfig( GC_gDisplay, &d->cfg.dep, FALSE )) <= 0) - return ret; - GSendStr( d->name ); - GSendStr( d->class2 ); - LoadResources( &d->cfg ); -/* Debug( "display(%s, %s) resources: %[*x\n", d->name, d->class2, - d->cfg.numCfgEnt, ((char **)d->cfg.data) + d->cfg.numCfgEnt );*/ - ret = 1; - for (i = 0; i < as(dpyVal); i++) { - if (!(ent = FindCfgEnt( d, dpyVal[i].id ))) - ret = -1; - else - ApplyResource( dpyVal[i].id, ent, - (char **)(((char *)d) + dpyVal[i].off) ); - } - if (ret < 0) - LogError( "Internal error: config reader supplied incomplete data\n" ); - return ret; -} - -int -InitResources( char **argv ) -{ - originalArgv = argv; - cnftalk.pipe = &getter.pipe; - if (Setjmp( cnftalk.errjmp )) - return 0; /* may memleak */ - return GetDeps(); -} - -static void -addServers( char **srv, int bType ) -{ - char *name, *class2; - const char *dtx, *cls; - struct display *d; - - for (; *srv; srv++) { - if ((cls = strchr( *srv, '_' ))) { - if (!StrNDup( &name, *srv, cls - *srv )) - return; - if (!StrDup( &class2, cls )) { - free( name ); - return; - } - } else { - if (!StrDup( &name, *srv )) - return; - class2 = 0; - } - if ((d = FindDisplayByName( name ))) { - if (d->class2) - free( d->class2 ); - dtx = "existing"; - } else { - if (!(d = NewDisplay( name ))) { - free( name ); - if (class2) - free( class2 ); - return; - } - dtx = "new"; - } - d->stillThere = 1; - d->class2 = class2; - d->displayType = (*name == ':' ? dLocal : dForeign) | bType; - if ((bType & d_lifetime) == dReserve) { - if (d->status == notRunning) - d->status = reserve; - } else { - if (d->status == reserve) - d->status = notRunning; - } - Debug( "found %s %s%s display: %s %s\n", dtx, - ((d->displayType & d_location) == dLocal) ? "local" : "foreign", - ((d->displayType & d_lifetime) == dReserve) ? " reserve" : "", - d->name, d->class2 ); - free( name ); - } -} - -void -ScanServers( void ) -{ - Debug( "ScanServers\n" ); - addServers( staticServers, dFromFile | dPermanent ); - addServers( reserveServers, dFromFile | dReserve ); -} - |