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-rw-r--r--support/popt.c724
1 files changed, 0 insertions, 724 deletions
diff --git a/support/popt.c b/support/popt.c
deleted file mode 100644
index 886ac723..00000000
--- a/support/popt.c
+++ /dev/null
@@ -1,724 +0,0 @@
-#include <errno.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#if HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
-
-#include "findme.h"
-#include "popt.h"
-
-struct optionStackEntry {
- int argc;
- char ** argv;
- int next;
- char * nextArg;
- char * nextCharArg;
- struct poptAlias * currAlias;
- int stuffed;
-};
-
-struct execEntry {
- char * longName;
- char shortName;
- char * script;
-};
-
-struct poptContext_s {
- struct optionStackEntry optionStack[POPT_OPTION_DEPTH], * os;
- char ** leftovers;
- int numLeftovers;
- int nextLeftover;
- const struct poptOption * options;
- int restLeftover;
- char * appName;
- struct poptAlias * aliases;
- int numAliases;
- int flags;
- struct execEntry * execs;
- int numExecs;
- char ** finalArgv;
- int finalArgvCount;
- int finalArgvAlloced;
- struct execEntry * doExec;
- char * execPath;
- int execAbsolute;
-};
-
-#ifndef HAVE_STRERROR
-static char * strerror(int errno) {
- extern int sys_nerr;
- extern char * sys_errlist[];
-
- if ((0 <= errno) && (errno < sys_nerr))
- return sys_errlist[errno];
- else
- return "unknown errno";
-}
-#endif
-
-void poptSetExecPath(poptContext con, const char * path, int allowAbsolute) {
- if (con->execPath) free(con->execPath);
- con->execPath = strdup(path);
- con->execAbsolute = allowAbsolute;
-}
-
-poptContext poptGetContext(char * name, int argc, char ** argv,
- const struct poptOption * options, int flags) {
- poptContext con = malloc(sizeof(*con));
-
- memset(con, 0, sizeof(*con));
-
- con->os = con->optionStack;
- con->os->argc = argc;
- con->os->argv = argv;
-
- if (!(flags & POPT_CONTEXT_KEEP_FIRST))
- con->os->next = 1; /* skip argv[0] */
-
- con->leftovers = malloc(sizeof(char *) * (argc + 1));
- con->options = options;
- con->finalArgv = malloc(sizeof(*con->finalArgv) * (argc * 2));
- con->finalArgvAlloced = argc * 2;
- con->flags = flags;
-
- if (name)
- con->appName = strcpy(malloc(strlen(name) + 1), name);
-
- return con;
-}
-
-void poptResetContext(poptContext con) {
- con->os = con->optionStack;
- con->os->currAlias = NULL;
- con->os->nextCharArg = NULL;
- con->os->nextArg = NULL;
- con->os->next = 1; /* skip argv[0] */
-
- con->numLeftovers = 0;
- con->nextLeftover = 0;
- con->restLeftover = 0;
- con->doExec = NULL;
- con->finalArgvCount = 0;
-}
-
-/* Only one of longName, shortName may be set at a time */
-static int handleExec(poptContext con, char * longName, char shortName) {
- int i;
-
- i = con->numExecs - 1;
- if (longName) {
- while (i >= 0 && (!con->execs[i].longName ||
- strcmp(con->execs[i].longName, longName))) i--;
- } else {
- while (i >= 0 &&
- con->execs[i].shortName != shortName) i--;
- }
-
- if (i < 0) return 0;
-
- if (con->flags & POPT_CONTEXT_NO_EXEC)
- return 1;
-
- if (!con->doExec) {
- con->doExec = con->execs + i;
- return 1;
- }
-
- /* We already have an exec to do; remember this option for next
- time 'round */
- if ((con->finalArgvCount + 1) >= (con->finalArgvAlloced)) {
- con->finalArgvAlloced += 10;
- con->finalArgv = realloc(con->finalArgv,
- sizeof(*con->finalArgv) * con->finalArgvAlloced);
- }
-
- i = con->finalArgvCount++;
- con->finalArgv[i] = malloc((longName ? strlen(longName) : 0) + 3);
- if (longName)
- sprintf(con->finalArgv[i], "--%s", longName);
- else
- sprintf(con->finalArgv[i], "-%c", shortName);
-
- return 1;
-}
-
-/* Only one of longName, shortName may be set at a time */
-static int handleAlias(poptContext con, char * longName, char shortName,
- char * nextCharArg) {
- int i;
-
- if (con->os->currAlias && con->os->currAlias->longName && longName &&
- !strcmp(con->os->currAlias->longName, longName))
- return 0;
- if (con->os->currAlias && shortName == con->os->currAlias->shortName)
- return 0;
-
- i = con->numAliases - 1;
- if (longName) {
- while (i >= 0 && (!con->aliases[i].longName ||
- strcmp(con->aliases[i].longName, longName))) i--;
- } else {
- while (i >= 0 &&
- con->aliases[i].shortName != shortName) i--;
- }
-
- if (i < 0) return 0;
-
- if ((con->os - con->optionStack + 1)
- == POPT_OPTION_DEPTH)
- return POPT_ERROR_OPTSTOODEEP;
-
- if (nextCharArg && *nextCharArg)
- con->os->nextCharArg = nextCharArg;
-
- con->os++;
- con->os->next = 0;
- con->os->stuffed = 0;
- con->os->nextArg = con->os->nextCharArg = NULL;
- con->os->currAlias = con->aliases + i;
- con->os->argc = con->os->currAlias->argc;
- con->os->argv = con->os->currAlias->argv;
-
- return 1;
-}
-
-static void execCommand(poptContext con) {
- char ** argv;
- int pos = 0;
- char * script = con->doExec->script;
-
- argv = malloc(sizeof(*argv) *
- (6 + con->numLeftovers + con->finalArgvCount));
-
- if (!con->execAbsolute && strchr(script, '/')) return;
-
- if (!strchr(script, '/') && con->execPath) {
- argv[pos] = alloca(strlen(con->execPath) + strlen(script) + 2);
- sprintf(argv[pos], "%s/%s", con->execPath, script);
- } else {
- argv[pos] = script;
- }
- pos++;
-
- argv[pos] = findProgramPath(con->os->argv[0]);
- if (argv[pos]) pos++;
- argv[pos++] = ";";
-
- memcpy(argv + pos, con->finalArgv, sizeof(*argv) * con->finalArgvCount);
- pos += con->finalArgvCount;
-
- if (con->numLeftovers) {
- argv[pos++] = "--";
- memcpy(argv + pos, con->leftovers, sizeof(*argv) * con->numLeftovers);
- pos += con->numLeftovers;
- }
-
- argv[pos++] = NULL;
-
- setreuid(getuid(), getuid());
-
- execvp(argv[0], argv);
-}
-
-/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
-int poptGetNextOpt(poptContext con) {
- char * optString, * chptr, * localOptString;
- char * longArg = NULL;
- char * origOptString;
- long aLong;
- char * end;
- const struct poptOption * opt = NULL;
- int done = 0;
- int i;
-
- while (!done) {
- while (!con->os->nextCharArg && con->os->next == con->os->argc
- && con->os > con->optionStack)
- con->os--;
- if (!con->os->nextCharArg && con->os->next == con->os->argc) {
- if (con->doExec) execCommand(con);
- return -1;
- }
-
- if (!con->os->nextCharArg) {
-
- origOptString = con->os->argv[con->os->next++];
-
- if (con->restLeftover || *origOptString != '-') {
- con->leftovers[con->numLeftovers++] = origOptString;
- continue;
- }
-
- /* Make a copy we can hack at */
- localOptString = optString =
- strcpy(alloca(strlen(origOptString) + 1),
- origOptString);
-
- if (!optString[0])
- return POPT_ERROR_BADOPT;
-
- if (optString[1] == '-' && !optString[2]) {
- con->restLeftover = 1;
- continue;
- } else if (optString[1] == '-') {
- optString += 2;
-
- if (handleAlias(con, optString, '\0', NULL))
- continue;
- if (handleExec(con, optString, '\0'))
- continue;
-
- chptr = optString;
- while (*chptr && *chptr != '=') chptr++;
- if (*chptr == '=') {
- longArg = origOptString + (chptr - localOptString) + 1;
- *chptr = '\0';
- }
-
- opt = con->options;
- while (opt->longName || opt->shortName) {
- if (opt->longName && !strcmp(optString, opt->longName))
- break;
- opt++;
- }
-
- if (!opt->longName && !opt->shortName) return POPT_ERROR_BADOPT;
- } else
- con->os->nextCharArg = origOptString + 1;
- }
-
- if (con->os->nextCharArg) {
- origOptString = con->os->nextCharArg;
-
- con->os->nextCharArg = NULL;
-
- if (handleAlias(con, NULL, *origOptString,
- origOptString + 1)) {
- origOptString++;
- continue;
- }
- if (handleExec(con, NULL, *origOptString))
- continue;
-
- opt = con->options;
- while ((opt->longName || opt->shortName) &&
- *origOptString != opt->shortName) opt++;
- if (!opt->longName && !opt->shortName) return POPT_ERROR_BADOPT;
-
- origOptString++;
- if (*origOptString)
- con->os->nextCharArg = origOptString;
- }
-
- if (opt->arg && opt->argInfo == POPT_ARG_NONE)
- *((int *)opt->arg) = 1;
- else if (opt->argInfo != POPT_ARG_NONE) {
- if (longArg) {
- con->os->nextArg = longArg;
- } else if (con->os->nextCharArg) {
- con->os->nextArg = con->os->nextCharArg;
- con->os->nextCharArg = NULL;
- } else {
- while (con->os->next == con->os->argc &&
- con->os > con->optionStack)
- con->os--;
- if (con->os->next == con->os->argc)
- return POPT_ERROR_NOARG;
-
- con->os->nextArg = con->os->argv[con->os->next++];
- }
-
- if (opt->arg) {
- switch (opt->argInfo) {
- case POPT_ARG_STRING:
- *((char **) opt->arg) = con->os->nextArg;
- break;
-
- case POPT_ARG_INT:
- case POPT_ARG_LONG:
- aLong = strtol(con->os->nextArg, &end, 0);
- if (*end)
- return POPT_ERROR_BADNUMBER;
-
- if (aLong == LONG_MIN || aLong == LONG_MAX)
- return POPT_ERROR_OVERFLOW;
- if (opt->argInfo == POPT_ARG_LONG) {
- *((long *) opt->arg) = aLong;
- } else {
- if (aLong > INT_MAX || aLong < INT_MIN)
- return POPT_ERROR_OVERFLOW;
- *((int *) opt->arg) =aLong;
- }
- break;
-
- default:
- printf("option type not implemented in popt\n");
- exit(1);
- }
- }
- }
-
- if (opt->val) done = 1;
-
- if ((con->finalArgvCount + 2) >= (con->finalArgvAlloced)) {
- con->finalArgvAlloced += 10;
- con->finalArgv = realloc(con->finalArgv,
- sizeof(*con->finalArgv) * con->finalArgvAlloced);
- }
-
- i = con->finalArgvCount++;
- con->finalArgv[i] =
- malloc((opt->longName ? strlen(opt->longName) : 0) + 3);
- if (opt->longName)
- sprintf(con->finalArgv[i], "--%s", opt->longName);
- else
- sprintf(con->finalArgv[i], "-%c", opt->shortName);
-
- if (opt->arg && opt->argInfo != POPT_ARG_NONE)
- con->finalArgv[con->finalArgvCount++] = strdup(con->os->nextArg);
- }
-
- return opt->val;
-}
-
-char * poptGetOptArg(poptContext con) {
- char * ret = con->os->nextArg;
- con->os->nextArg = NULL;
- return ret;
-}
-
-char * poptGetArg(poptContext con) {
- if (con->numLeftovers == con->nextLeftover) return NULL;
- return (con->leftovers[con->nextLeftover++]);
-}
-
-char * poptPeekArg(poptContext con) {
- if (con->numLeftovers == con->nextLeftover) return NULL;
- return (con->leftovers[con->nextLeftover]);
-}
-
-char ** poptGetArgs(poptContext con) {
- if (con->numLeftovers == con->nextLeftover) return NULL;
-
- /* some apps like [like RPM ;-) ] need this NULL terminated */
- con->leftovers[con->numLeftovers] = NULL;
-
- return (con->leftovers + con->nextLeftover);
-}
-
-void poptFreeContext(poptContext con) {
- int i;
-
- for (i = 0; i < con->numAliases; i++) {
- if (con->aliases[i].longName) free(con->aliases[i].longName);
- free(con->aliases[i].argv);
- }
-
- for (i = 0; i < con->numExecs; i++) {
- if (con->execs[i].longName) free(con->execs[i].longName);
- free(con->execs[i].script);
- }
-
- for (i = 0; i < con->finalArgvCount; i++)
- free(con->finalArgv[i]);
-
- free(con->leftovers);
- free(con->finalArgv);
- if (con->appName) free(con->appName);
- if (con->aliases) free(con->aliases);
- free(con);
-}
-
-int poptAddAlias(poptContext con, struct poptAlias newAlias, int flags) {
- int aliasNum = con->numAliases++;
- struct poptAlias * alias;
-
- /* SunOS won't realloc(NULL, ...) */
- if (!con->aliases)
- con->aliases = malloc(sizeof(newAlias) * con->numAliases);
- else
- con->aliases = realloc(con->aliases,
- sizeof(newAlias) * con->numAliases);
- alias = con->aliases + aliasNum;
-
- *alias = newAlias;
- if (alias->longName)
- alias->longName = strcpy(malloc(strlen(alias->longName) + 1),
- alias->longName);
- else
- alias->longName = NULL;
-
- return 0;
-}
-
-int poptParseArgvString(char * s, int * argcPtr, char *** argvPtr) {
- char * buf = strcpy(alloca(strlen(s) + 1), s);
- char * bufStart = buf;
- char * src, * dst;
- char quote = '\0';
- int argvAlloced = 5;
- char ** argv = malloc(sizeof(*argv) * argvAlloced);
- char ** argv2;
- int argc = 0;
- int i;
-
- src = s;
- dst = buf;
- argv[argc] = buf;
-
- memset(buf, '\0', strlen(s) + 1);
-
- while (*src) {
- if (quote == *src) {
- quote = '\0';
- } else if (quote) {
- if (*src == '\\') {
- src++;
- if (!*src) {
- free(argv);
- return POPT_ERROR_BADQUOTE;
- }
- if (*src != quote) *buf++ = '\\';
- }
- *buf++ = *src;
- } else if (isspace(*src)) {
- if (*argv[argc]) {
- buf++, argc++;
- if (argc == argvAlloced) {
- argvAlloced += 5;
- argv = realloc(argv, sizeof(*argv) * argvAlloced);
- }
- argv[argc] = buf;
- }
- } else switch (*src) {
- case '"':
- case '\'':
- quote = *src;
- break;
- case '\\':
- src++;
- if (!*src) {
- free(argv);
- return POPT_ERROR_BADQUOTE;
- }
- /* fallthrough */
- default:
- *buf++ = *src;
- }
-
- src++;
- }
-
- if (strlen(argv[argc])) {
- argc++, buf++;
- }
-
- dst = malloc(argc * sizeof(*argv) + (buf - bufStart));
- argv2 = (void *) dst;
- dst += argc * sizeof(*argv);
- memcpy(argv2, argv, argc * sizeof(*argv));
- memcpy(dst, bufStart, buf - bufStart);
-
- for (i = 0; i < argc; i++) {
- argv2[i] = dst + (argv[i] - bufStart);
- }
-
- free(argv);
-
- *argvPtr = argv2;
- *argcPtr = argc;
-
- return 0;
-}
-
-static void configLine(poptContext con, char * line) {
- int nameLength = strlen(con->appName);
- char * opt;
- struct poptAlias alias;
- char * entryType;
- char * longName = NULL;
- char shortName = '\0';
-
- if (strncmp(line, con->appName, nameLength)) return;
- line += nameLength;
- if (!*line || !isspace(*line)) return;
- while (*line && isspace(*line)) line++;
- entryType = line;
-
- while (!*line || !isspace(*line)) line++;
- *line++ = '\0';
- while (*line && isspace(*line)) line++;
- if (!*line) return;
- opt = line;
-
- while (!*line || !isspace(*line)) line++;
- *line++ = '\0';
- while (*line && isspace(*line)) line++;
- if (!*line) return;
-
- if (opt[0] == '-' && opt[1] == '-')
- longName = opt + 2;
- else if (opt[0] == '-' && !opt[2])
- shortName = opt[1];
-
- if (!strcmp(entryType, "alias")) {
- if (poptParseArgvString(line, &alias.argc, &alias.argv)) return;
- alias.longName = longName, alias.shortName = shortName;
- poptAddAlias(con, alias, 0);
- } else if (!strcmp(entryType, "exec")) {
- con->execs = realloc(con->execs,
- sizeof(*con->execs) * (con->numExecs + 1));
- if (longName)
- con->execs[con->numExecs].longName = strdup(longName);
- else
- con->execs[con->numExecs].longName = NULL;
-
- con->execs[con->numExecs].shortName = shortName;
- con->execs[con->numExecs].script = strdup(line);
-
- con->numExecs++;
- }
-}
-
-int poptReadConfigFile(poptContext con, char * fn) {
- char * file, * chptr, * end;
- char * buf, * dst;
- int fd, rc;
- int fileLength;
-
- fd = open(fn, O_RDONLY);
- if (fd < 0) {
- if (errno == ENOENT)
- return 0;
- else
- return POPT_ERROR_ERRNO;
- }
-
- fileLength = lseek(fd, 0, SEEK_END);
- lseek(fd, 0, 0);
-
- file = alloca(fileLength + 1);
- if ((fd = read(fd, file, fileLength)) != fileLength) {
- rc = errno;
- close(fd);
- errno = rc;
- return POPT_ERROR_ERRNO;
- }
- close(fd);
-
- dst = buf = alloca(fileLength + 1);
-
- chptr = file;
- end = (file + fileLength);
- while (chptr < end) {
- switch (*chptr) {
- case '\n':
- *dst = '\0';
- dst = buf;
- while (*dst && isspace(*dst)) dst++;
- if (*dst && *dst != '#') {
- configLine(con, dst);
- }
- chptr++;
- break;
- case '\\':
- *dst++ = *chptr++;
- if (chptr < end) {
- if (*chptr == '\n')
- dst--, chptr++;
- /* \ at the end of a line does not insert a \n */
- else
- *dst++ = *chptr++;
- }
- break;
- default:
- *dst++ = *chptr++;
- }
- }
-
- return 0;
-}
-
-int poptReadDefaultConfig(poptContext con, int useEnv) {
- char * fn, * home;
- int rc;
-
- if (!con->appName) return 0;
-
- rc = poptReadConfigFile(con, "/etc/popt");
- if (rc) return rc;
- if (getuid() != geteuid()) return 0;
-
- if ((home = getenv("HOME"))) {
- fn = alloca(strlen(home) + 20);
- sprintf(fn, "%s/.popt", home);
- rc = poptReadConfigFile(con, fn);
- if (rc) return rc;
- }
-
- return 0;
-}
-
-char * poptBadOption(poptContext con, int flags) {
- struct optionStackEntry * os;
-
- if (flags & POPT_BADOPTION_NOALIAS)
- os = con->optionStack;
- else
- os = con->os;
-
- return os->argv[os->next - 1];
-}
-
-#define POPT_ERROR_NOARG -10
-#define POPT_ERROR_BADOPT -11
-#define POPT_ERROR_OPTSTOODEEP -13
-#define POPT_ERROR_BADQUOTE -15 /* only from poptParseArgString() */
-#define POPT_ERROR_ERRNO -16 /* only from poptParseArgString() */
-
-const char * poptStrerror(const int error) {
- switch (error) {
- case POPT_ERROR_NOARG:
- return "missing argument";
- case POPT_ERROR_BADOPT:
- return "unknown option";
- case POPT_ERROR_OPTSTOODEEP:
- return "aliases nested too deeply";
- case POPT_ERROR_BADQUOTE:
- return "error in paramter quoting";
- case POPT_ERROR_BADNUMBER:
- return "invalid numeric value";
- case POPT_ERROR_OVERFLOW:
- return "number too large or too small";
- case POPT_ERROR_ERRNO:
- return strerror(errno);
- default:
- return "unknown error";
- }
-}
-
-int poptStuffArgs(poptContext con, char ** argv) {
- int i;
-
- if ((con->os - con->optionStack) == POPT_OPTION_DEPTH)
- return POPT_ERROR_OPTSTOODEEP;
-
- for (i = 0; argv[i]; i++);
-
- con->os++;
- con->os->next = 0;
- con->os->nextArg = con->os->nextCharArg = NULL;
- con->os->currAlias = NULL;
- con->os->argc = i;
- con->os->argv = argv;
- con->os->stuffed = 1;
-
- return 0;
-}
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