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Patch from Gennady Feldman <gfeldman@tradeline.net> to:

Browse Source 
1. Opens redirections w/ the right access.
    2. Doesn't do globbing for every single parameter (so it
	doesn't stat every parameter).
This commit is contained in:
Eric Andersen 2000-11-14 21:59:22 +00:00
parent 2aa1091130
commit 46f0beb167
3 changed files with 102 additions and 69 deletions
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55
lash.c
View File

@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY; mode = O_RDONLY;
break; break;
case REDIRECT_OVERWRITE: case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC; mode = O_WRONLY | O_CREAT | O_TRUNC;
break; break;
case REDIRECT_APPEND: case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND; mode = O_WRONLY | O_CREAT | O_APPEND;
break; break;
} }
@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif #endif
} }
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult); if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
if (rc == GLOB_NOSPACE) { rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
errorMsg("out of space during glob operation\n"); if (rc == GLOB_NOSPACE) {
return; errorMsg("out of space during glob operation\n");
} else if (rc == GLOB_NOMATCH || return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 && (!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1], strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) { prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */ /* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1]; src = dst = prog->argv[argc_l - 1];
while (*src) { while (*src) {
if (*src != '\\') if (*src != '\\')
*dst++ = *src; *dst++ = *src;
src++; src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
} }
*dst = '\0'; }else{
} else if (!rc) { src = dst = prog->argv[argc_l - 1];
argcAlloced += (prog->globResult.gl_pathc - i); while (*src) {
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv)); if (*src != '\\')
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i, *dst++ = *src;
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i)); src++;
argc_l += (prog->globResult.gl_pathc - i - 1); }
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
} }
*argcAllocedPtr = argcAlloced; *argcAllocedPtr = argcAlloced;
*argcPtr = argc_l; *argcPtr = argc_l;
} }
@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets; const struct BB_applet *a = applets;
#endif #endif
nextin = 0, nextout = 1; nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) { for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) { if ((i + 1) < newJob->numProgs) {

55
sh.c
View File

@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY; mode = O_RDONLY;
break; break;
case REDIRECT_OVERWRITE: case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC; mode = O_WRONLY | O_CREAT | O_TRUNC;
break; break;
case REDIRECT_APPEND: case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND; mode = O_WRONLY | O_CREAT | O_APPEND;
break; break;
} }
@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif #endif
} }
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult); if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
if (rc == GLOB_NOSPACE) { rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
errorMsg("out of space during glob operation\n"); if (rc == GLOB_NOSPACE) {
return; errorMsg("out of space during glob operation\n");
} else if (rc == GLOB_NOMATCH || return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 && (!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1], strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) { prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */ /* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1]; src = dst = prog->argv[argc_l - 1];
while (*src) { while (*src) {
if (*src != '\\') if (*src != '\\')
*dst++ = *src; *dst++ = *src;
src++; src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
} }
*dst = '\0'; }else{
} else if (!rc) { src = dst = prog->argv[argc_l - 1];
argcAlloced += (prog->globResult.gl_pathc - i); while (*src) {
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv)); if (*src != '\\')
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i, *dst++ = *src;
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i)); src++;
argc_l += (prog->globResult.gl_pathc - i - 1); }
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
} }
*argcAllocedPtr = argcAlloced; *argcAllocedPtr = argcAlloced;
*argcPtr = argc_l; *argcPtr = argc_l;
} }
@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets; const struct BB_applet *a = applets;
#endif #endif
nextin = 0, nextout = 1; nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) { for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) { if ((i + 1) < newJob->numProgs) {

55
shell/lash.c
View File

@ -627,10 +627,10 @@ static int setupRedirections(struct childProgram *prog)
mode = O_RDONLY; mode = O_RDONLY;
break; break;
case REDIRECT_OVERWRITE: case REDIRECT_OVERWRITE:
mode = O_RDWR | O_CREAT | O_TRUNC; mode = O_WRONLY | O_CREAT | O_TRUNC;
break; break;
case REDIRECT_APPEND: case REDIRECT_APPEND:
mode = O_RDWR | O_CREAT | O_APPEND; mode = O_WRONLY | O_CREAT | O_APPEND;
break; break;
} }
@ -785,30 +785,42 @@ static void globLastArgument(struct childProgram *prog, int *argcPtr,
#endif #endif
} }
rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult); if (strpbrk(prog->argv[argc_l - 1],"*[]?")!= NULL){
if (rc == GLOB_NOSPACE) { rc = glob(prog->argv[argc_l - 1], flags, NULL, &prog->globResult);
errorMsg("out of space during glob operation\n"); if (rc == GLOB_NOSPACE) {
return; errorMsg("out of space during glob operation\n");
} else if (rc == GLOB_NOMATCH || return;
} else if (rc == GLOB_NOMATCH ||
(!rc && (prog->globResult.gl_pathc - i) == 1 && (!rc && (prog->globResult.gl_pathc - i) == 1 &&
strcmp(prog->argv[argc_l - 1], strcmp(prog->argv[argc_l - 1],
prog->globResult.gl_pathv[i]) == 0)) { prog->globResult.gl_pathv[i]) == 0)) {
/* we need to remove whatever \ quoting is still present */ /* we need to remove whatever \ quoting is still present */
src = dst = prog->argv[argc_l - 1]; src = dst = prog->argv[argc_l - 1];
while (*src) { while (*src) {
if (*src != '\\') if (*src != '\\')
*dst++ = *src; *dst++ = *src;
src++; src++;
}
*dst = '\0';
} else if (!rc) {
argcAlloced += (prog->globResult.gl_pathc - i);
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv));
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i,
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i));
argc_l += (prog->globResult.gl_pathc - i - 1);
} }
*dst = '\0'; }else{
} else if (!rc) { src = dst = prog->argv[argc_l - 1];
argcAlloced += (prog->globResult.gl_pathc - i); while (*src) {
prog->argv = xrealloc(prog->argv, argcAlloced * sizeof(*prog->argv)); if (*src != '\\')
memcpy(prog->argv + (argc_l - 1), prog->globResult.gl_pathv + i, *dst++ = *src;
sizeof(*(prog->argv)) * (prog->globResult.gl_pathc - i)); src++;
argc_l += (prog->globResult.gl_pathc - i - 1); }
*dst = '\0';
prog->globResult.gl_pathc=0;
if (flags==0)
prog->globResult.gl_pathv=NULL;
} }
*argcAllocedPtr = argcAlloced; *argcAllocedPtr = argcAlloced;
*argcPtr = argc_l; *argcPtr = argc_l;
} }
@ -1143,7 +1155,6 @@ static int runCommand(struct job *newJob, struct jobSet *jobList, int inBg, int
const struct BB_applet *a = applets; const struct BB_applet *a = applets;
#endif #endif
nextin = 0, nextout = 1; nextin = 0, nextout = 1;
for (i = 0; i < newJob->numProgs; i++) { for (i = 0; i < newJob->numProgs; i++) {
if ((i + 1) < newJob->numProgs) { if ((i + 1) < newJob->numProgs) {