Main Page Modules Data Structures File List Data Fields Globals Related Pages

# lib/manifest.c

Go to the documentation of this file.

    00001
    00005 #include "system.h"
    00006
    00007 #include <rpmio_internal.h>
    00008 #include <rpmlib.h>
    00009
    00010 #include "stringbuf.h"
    00011 #include "manifest.h"
    00012 #include "misc.h"
    00013 #include "debug.h"
    00014
    00015 /*@access StringBuf @*/
    00016
    00017 char * rpmPermsString(int mode)
    00018 {
    00019     char *perms = xstrdup("----------");
    00020
    00021     if (S_ISDIR(mode))
    00022         perms[0] = 'd';
    00023     else if (S_ISLNK(mode))
    00024         perms[0] = 'l';
    00025     else if (S_ISFIFO(mode))
    00026         perms[0] = 'p';
    00027     else if (S_ISSOCK(mode))
    00028         perms[0] = 's';
    00029     else if (S_ISCHR(mode))
    00030         perms[0] = 'c';
    00031     else if (S_ISBLK(mode))
    00032         perms[0] = 'b';
    00033
    00034     if (mode & S_IRUSR) perms[1] = 'r';
    00035     if (mode & S_IWUSR) perms[2] = 'w';
    00036     if (mode & S_IXUSR) perms[3] = 'x';
    00037
    00038     if (mode & S_IRGRP) perms[4] = 'r';
    00039     if (mode & S_IWGRP) perms[5] = 'w';
    00040     if (mode & S_IXGRP) perms[6] = 'x';
    00041
    00042     if (mode & S_IROTH) perms[7] = 'r';
    00043     if (mode & S_IWOTH) perms[8] = 'w';
    00044     if (mode & S_IXOTH) perms[9] = 'x';
    00045
    00046     if (mode & S_ISUID)
    00047         perms[3] = ((mode & S_IXUSR) ? 's' : 'S');
    00048
    00049     if (mode & S_ISGID)
    00050         perms[6] = ((mode & S_IXGRP) ? 's' : 'S');
    00051
    00052     if (mode & S_ISVTX)
    00053         perms[9] = ((mode & S_IXOTH) ? 't' : 'T');
    00054
    00055     return perms;
    00056 }
    00057
    00059 int rpmReadPackageManifest(FD_t fd, int * argcPtr, const char *** argvPtr)
    00060 {
    00061     StringBuf sb = newStringBuf();
    00062     char * s = NULL;
    00063     char * se;
    00064     int ac = 0;
    00065     const char ** av = NULL;
    00066     int argc = (argcPtr ? *argcPtr : 0);
    00067     const char ** argv = (argvPtr ? *argvPtr : NULL);
    00068     FILE * f = fdGetFp(fd);
    00069     int rc = 0;
    00070     int i;
    00071
    00072     if (f != NULL)
    00073     while (1) {
    00074         char line[BUFSIZ];
    00075
    00076         /* Read next line. */
    00077         s = fgets(line, sizeof(line) - 1, f);
    00078         if (s == NULL) {
    00079             /* XXX Ferror check needed */
    00080             break;
    00081         }
    00082
    00083         /* Skip comments. */
    00084         if ((se = strchr(s, '#')) != NULL) *se = '\0';
    00085
    00086         /* Trim white space. */
    00087         se = s + strlen(s);
    00088         while (se > s && (se[-1] == '\n' || se[-1] == '\r'))
    00089             *(--se) = '\0';
    00090         while (*s && strchr(" \f\n\r\t\v", *s) != NULL)
    00091             s++;
    00092         if (*s == '\0') continue;
    00093
    00094         /* Insure that file contains only ASCII */
    00095         if (*s < 32) {
    00096             rc = 1;
    00097             goto exit;
    00098         }
    00099
    00100         /* Concatenate next line in buffer. */
    00101         *se++ = ' ';
    00102         *se = '\0';
    00103         appendStringBuf(sb, s);
    00104     }
    00105
    00106     if (s == NULL)              /* XXX always true */
    00107         s = getStringBuf(sb);
    00108
    00109     if (!(s && *s)) {
    00110         rc = 1;
    00111         goto exit;
    00112     }
    00113
    00114     /* Glob manifest items. */
    00115     rc = rpmGlob(s, &ac, &av);
    00116     if (rc) goto exit;
    00117
    00118     /* Find 1st existing unprocessed arg. */
    00119     for (i = 0; i < argc; i++)
    00120         if (argv && argv[i]) break;
    00121
    00122     /* Concatenate existing unprocessed args after manifest contents. */
    00123     if (argv && i < argc) {
    00124         int nac = ac + (argc - i);
    00125         const char ** nav = xcalloc((nac + 1), sizeof(*nav));
    00126
    00127         if (ac)
    00128             memcpy(nav, av, ac * sizeof(*nav));
    00129         if ((argc - i) > 0)
    00130             memcpy(nav + ac, argv + i, (argc - i) * sizeof(*nav));
    00131         nav[nac] = NULL;
    00132
    00133         if (argvPtr)
    00134             *argvPtr = argv = _free(argv);
    00135         av = _free(av);
    00136         av = nav;
    00137         ac = nac;
    00138     }
    00139
    00140     /* Save new argc/argv list. */
    00141     if (argvPtr) {
    00142         *argvPtr = _free(*argvPtr);
    00143         *argvPtr = av;
    00144     }
    00145     if (argcPtr)
    00146         *argcPtr = ac;
    00147
    00148 exit:
    00149     if (argvPtr == NULL || (rc != 0 && av)) {
    00150         if (av)
    00151         for (i = 0; i < ac; i++)
    00152             /*@-unqualifiedtrans@*/av[i] = _free(av[i]); /*@=unqualifiedtrans@*/
    00153         /*@-dependenttrans@*/ av = _free(av); /*@=dependenttrans@*/
    00154     }
    00155     sb = freeStringBuf(sb);
    00156     /*@-nullstate@*/
    00157     return rc;
    00158     /*@=nullstate@*/
    00159 }