Replaced some large local variables by other means in libisofs/aaip_0_2.c
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@ -26,6 +26,7 @@
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#include <sys/stat.h>
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#include "libisofs.h"
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#include "util.h"
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/*
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#define Aaip_encode_debuG 1
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@ -346,21 +347,23 @@ static ssize_t aaip_encode_acl_text(char *acl_text, mode_t st_mode,
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size_t result_size, unsigned char *result, int flag)
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{
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char *rpt, *npt, *cpt;
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int qualifier= 0, perms, type, i, qualifier_len= 0, num_recs, needed= 0;
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int qualifier= 0, perms, type, i, qualifier_len= 0, num_recs, needed= 0, ret;
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unsigned int has_u= 0, has_g= 0, has_o= 0, has_m= 0, is_trivial= 1;
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uid_t uid, huid;
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gid_t gid, hgid;
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ssize_t count= 0;
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struct passwd *pwd;
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struct group *grp;
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char name[1024];
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char *name = NULL;
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int name_size= 1024;
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double num;
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LIBISO_ALLOC_MEM(name, char, name_size);
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if(flag & 4) {
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/* set SWITCH_MARK to indicate a default ACL */;
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if(!(flag & 1)) {
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if((size_t) count >= result_size)
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return(-1);
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{ret= -1; goto ex;}
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result[count]= (Aaip_SWITCH_MARK << 4) | Aaip_EXEC;
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}
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count++;
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@ -386,7 +389,7 @@ static ssize_t aaip_encode_acl_text(char *acl_text, mode_t st_mode,
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type= Aaip_ACL_USER_OBJ;
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has_u++;
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} else {
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if(cpt - (rpt + 5) >= (int) sizeof(name))
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if(cpt - (rpt + 5) >= name_size)
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continue;
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is_trivial= 0;
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strncpy(name, rpt + 5, cpt - (rpt + 5));
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@ -419,7 +422,7 @@ user_by_name:;
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type= Aaip_ACL_GROUP_OBJ;
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has_g++;
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} else {
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if(cpt - (rpt + 6) >= (int) sizeof(name))
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if(cpt - (rpt + 6) >= name_size)
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continue;
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is_trivial= 0;
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strncpy(name, rpt + 6, cpt - (rpt + 6));
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@ -462,7 +465,7 @@ group_by_name:;
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if(!(flag & 1)) {
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if((size_t) count >= result_size)
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return(-1);
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{ret= -1; goto ex;}
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result[count]= perms | ((!!qualifier) << 3) | (type << 4);
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}
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count++;
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@ -471,7 +474,7 @@ group_by_name:;
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num_recs= (qualifier_len / 127) + !!(qualifier_len % 127);
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if(!(flag & 1)) {
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if((size_t) (count + 1) > result_size)
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return(-1);
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{ret= -1; goto ex;}
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for(i= 0; i < num_recs; i++) {
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if(i < num_recs - 1)
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result[count++]= 255;
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@ -481,7 +484,7 @@ group_by_name:;
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result[count - 1]= 127;
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}
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if((size_t) (count + (result[count - 1] & 127)) > result_size)
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return(-1);
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{ret= -1; goto ex;}
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memcpy(result + count, name + i * 127, result[count - 1] & 127);
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count+= result[count - 1] & 127;
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}
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@ -496,7 +499,7 @@ group_by_name:;
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count+= needed;
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else {
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if((size_t) (count + needed) > result_size)
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return(-1);
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{ret= -1; goto ex;}
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}
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}
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if ((flag & 8) && needed > 0 && !(flag & 1)) {
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@ -521,7 +524,10 @@ group_by_name:;
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result[count++]= perms | (Aaip_ACL_MASK << 4);
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}
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}
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return(count);
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ret= count;
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ex:;
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LIBISO_FREE_MEM(name);
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return(ret);
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}
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@ -2015,14 +2021,15 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
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size_t *acl_text_fill, int flag)
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{
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unsigned char *rpt;
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char perm_text[4], *wpt, name[1024];
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int type, qualifier= 0, perm, ret, cnt;
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char perm_text[4], *wpt, *name= NULL;
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int type, qualifier= 0, perm, ret, cnt, name_size= 1024;
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size_t w_size, name_fill= 0, i;
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uid_t uid;
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gid_t gid;
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struct passwd *pwd;
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struct group *grp;
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LIBISO_ALLOC_MEM(name, char, name_size);
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cnt= flag & 1;
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*consumed= 0;
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wpt= acl_text;
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@ -2040,14 +2047,14 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
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type= (*rpt) >> 4;
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if(type == Aaip_FUTURE_VERSION) /* indicate to caller: version mismatch */
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return(-3);
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{ret = -3; goto ex;}
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qualifier= !!((*rpt) & 8);
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if(qualifier) {
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ret= aaip_read_qualifier(rpt + 1, num_data - (rpt + 1 - data),
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name, sizeof(name), &name_fill, 0);
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name, name_size, &name_fill, 0);
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if(ret <= 0)
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return(-1);
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{ret = -1; goto ex;}
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}
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/* Advance read pointer */
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@ -2088,7 +2095,7 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
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pwd= getpwuid(uid);
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if(pwd == NULL)
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sprintf(name, "%.f", (double) uid);
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else if(strlen(pwd->pw_name) >= sizeof(name))
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else if(strlen(pwd->pw_name) >= (size_t) name_size)
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sprintf(name, "%.f", (double) uid);
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else
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strcpy(name, pwd->pw_name);
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@ -2102,7 +2109,7 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
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grp= getgrgid(gid);
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if(grp == NULL)
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sprintf(name, "%.f", (double) gid);
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else if(strlen(grp->gr_name) >= sizeof(name))
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else if(strlen(grp->gr_name) >= (size_t) name_size)
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sprintf(name, "%.f", (double) gid);
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else
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strcpy(name, grp->gr_name);
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@ -2110,15 +2117,16 @@ int aaip_decode_acl(unsigned char *data, size_t num_data, size_t *consumed,
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ret= aaip_write_acl_line(&wpt, &w_size, "group", name, perm_text, cnt);
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} else {
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/* indicate to caller: unknown type */
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return(-4);
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{ret = -4; goto ex;}
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}
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if(ret <= 0)
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return(-2);
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{ret = -2; goto ex;}
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}
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ret= 1;
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ex:;
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if(flag & 1)
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*acl_text_fill= w_size + 1;
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LIBISO_FREE_MEM(name);
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return(ret);
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}
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