diff options
Diffstat (limited to 'build/parseScript.c')
| -rw-r--r-- | build/parseScript.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/build/parseScript.c b/build/parseScript.c new file mode 100644 index 000000000..b2f604f37 --- /dev/null +++ b/build/parseScript.c @@ -0,0 +1,199 @@ +#include <malloc.h> +#include <string.h> + +#include "header.h" +#include "read.h" +#include "part.h" +#include "misc.h" +#include "rpmlib.h" +#include "popt/popt.h" +#include "reqprov.h" +#include "package.h" + +/* Define this to be 1 to turn on -p "<prog> <args>..." ability */ +#define USE_PROG_STRING_ARRAY 0 + +int parseScript(Spec spec, int parsePart) +{ + /* There are a few options to scripts: */ + /* <pkg> */ + /* -n <pkg> */ + /* -p <sh> */ + /* -p "<sh> <args>..." */ + /* -f <file> */ + + char *p; + char *name = NULL; + char *prog = "/bin/sh"; + char *file = NULL; + char **progArgv = NULL; + int progArgc; + char *partname = NULL; + int tag = 0; + int progtag = 0; + int flag = PART_SUBNAME; + Package pkg; + StringBuf sb; + int nextPart; + + int rc, argc; + char arg, **argv = NULL; + poptContext optCon = NULL; + struct poptOption optionsTable[] = { + { NULL, 'p', POPT_ARG_STRING, &prog, 'p' }, + { NULL, 'n', POPT_ARG_STRING, &name, 'n' }, + { NULL, 'f', POPT_ARG_STRING, &file, 'f' }, + { 0, 0, 0, 0, 0 } + }; + + switch (parsePart) { + case PART_PRE: + tag = RPMTAG_PREIN; + progtag = RPMTAG_PREINPROG; + partname = "%pre"; + break; + case PART_POST: + tag = RPMTAG_POSTIN; + progtag = RPMTAG_POSTINPROG; + partname = "%post"; + break; + case PART_PREUN: + tag = RPMTAG_PREUN; + progtag = RPMTAG_PREUNPROG; + partname = "%preun"; + break; + case PART_POSTUN: + tag = RPMTAG_POSTUN; + progtag = RPMTAG_POSTUNPROG; + partname = "%postun"; + break; + case PART_VERIFYSCRIPT: + tag = PART_VERIFYSCRIPT; + progtag = RPMTAG_VERIFYSCRIPTPROG; + partname = "%verifyscript"; + } + + if ((rc = poptParseArgvString(spec->line, &argc, &argv))) { + rpmError(RPMERR_BADSPEC, "line %d: Error parsing %s: %s", + spec->lineNum, partname, poptStrerror(rc)); + return RPMERR_BADSPEC; + } + + optCon = poptGetContext(NULL, argc, argv, optionsTable, 0); + while ((arg = poptGetNextOpt(optCon)) > 0) { + if (arg == 'p') { + if (prog[0] != '/') { + rpmError(RPMERR_BADSPEC, + "line %d: script program must begin " + "with \'/\': %s", prog); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + } else if (arg == 'n') { + flag = PART_NAME; + } + } + + if (arg < -1) { + rpmError(RPMERR_BADSPEC, "line %d: Bad option %s: %s", + spec->lineNum, + poptBadOption(optCon, POPT_BADOPTION_NOALIAS), + spec->line); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + + if (poptPeekArg(optCon)) { + if (! name) { + name = poptGetArg(optCon); + } + if (poptPeekArg(optCon)) { + rpmError(RPMERR_BADSPEC, "line %d: Too many names: %s", + spec->lineNum, + spec->line); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + } + + if (lookupPackage(spec, name, flag, &pkg)) { + rpmError(RPMERR_BADSPEC, "line %d: Package does not exist: %s", + spec->lineNum, spec->line); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + + if (headerIsEntry(pkg->header, progtag)) { + rpmError(RPMERR_BADSPEC, "line %d: Second %s", + spec->lineNum, partname); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + + if ((rc = poptParseArgvString(prog, &progArgc, &progArgv))) { + rpmError(RPMERR_BADSPEC, "line %d: Error parsing %s: %s", + spec->lineNum, partname, poptStrerror(rc)); + FREE(argv); + poptFreeContext(optCon); + return RPMERR_BADSPEC; + } + + sb = newStringBuf(); + if (readLine(spec, STRIP_NOTHING) > 0) { + nextPart = PART_NONE; + } else { + while (! (nextPart = isPart(spec->line))) { + appendLineStringBuf(sb, spec->line); + if (readLine(spec, STRIP_NOTHING) > 0) { + nextPart = PART_NONE; + break; + } + } + } + stripTrailingBlanksStringBuf(sb); + p = getStringBuf(sb); + +#if USE_PROG_STRING_ARRAY + addReqProv(spec, pkg, RPMSENSE_PREREQ, progArgv[0], NULL); + headerAddEntry(pkg->header, progtag, RPM_STRING_ARRAY_TYPE, + progArgv, progArgc); +#else + addReqProv(spec, pkg, RPMSENSE_PREREQ, prog, NULL); + headerAddEntry(pkg->header, progtag, RPM_STRING_TYPE, prog, 1); +#endif + if (*p) { + headerAddEntry(pkg->header, tag, RPM_STRING_TYPE, p, 1); + } + + if (file) { + switch (parsePart) { + case PART_PRE: + pkg->preInFile = strdup(file); + break; + case PART_POST: + pkg->postInFile = strdup(file); + break; + case PART_PREUN: + pkg->preUnFile = strdup(file); + break; + case PART_POSTUN: + pkg->postUnFile = strdup(file); + break; + case PART_VERIFYSCRIPT: + pkg->verifyFile = strdup(file); + break; + } + } + + freeStringBuf(sb); + FREE(progArgv); + FREE(argv); + poptFreeContext(optCon); + + return nextPart; +} |